/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "../parser/jsonParser", "jsonc-parser", "../utils/json", "../utils/strings", "../utils/objects", "../jsonLanguageTypes", "vscode-nls"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.JSONCompletion = void 0;
    var Parser = require("../parser/jsonParser");
    var Json = require("jsonc-parser");
    var json_1 = require("../utils/json");
    var strings_1 = require("../utils/strings");
    var objects_1 = require("../utils/objects");
    var jsonLanguageTypes_1 = require("../jsonLanguageTypes");
    var nls = require("vscode-nls");
    var localize = nls.loadMessageBundle();
    var valueCommitCharacters = [',', '}', ']'];
    var propertyCommitCharacters = [':'];
    var JSONCompletion = /** @class */ (function () {
        function JSONCompletion(schemaService, contributions, promiseConstructor, clientCapabilities) {
            if (contributions === void 0) { contributions = []; }
            if (promiseConstructor === void 0) { promiseConstructor = Promise; }
            if (clientCapabilities === void 0) { clientCapabilities = {}; }
            this.schemaService = schemaService;
            this.contributions = contributions;
            this.promiseConstructor = promiseConstructor;
            this.clientCapabilities = clientCapabilities;
        }
        JSONCompletion.prototype.doResolve = function (item) {
            for (var i = this.contributions.length - 1; i >= 0; i--) {
                var resolveCompletion = this.contributions[i].resolveCompletion;
                if (resolveCompletion) {
                    var resolver = resolveCompletion(item);
                    if (resolver) {
                        return resolver;
                    }
                }
            }
            return this.promiseConstructor.resolve(item);
        };
        JSONCompletion.prototype.doComplete = function (document, position, doc) {
            var _this = this;
            var result = {
                items: [],
                isIncomplete: false
            };
            var text = document.getText();
            var offset = document.offsetAt(position);
            var node = doc.getNodeFromOffset(offset, true);
            if (this.isInComment(document, node ? node.offset : 0, offset)) {
                return Promise.resolve(result);
            }
            if (node && (offset === node.offset + node.length) && offset > 0) {
                var ch = text[offset - 1];
                if (node.type === 'object' && ch === '}' || node.type === 'array' && ch === ']') {
                    // after ] or }
                    node = node.parent;
                }
            }
            var currentWord = this.getCurrentWord(document, offset);
            var overwriteRange;
            if (node && (node.type === 'string' || node.type === 'number' || node.type === 'boolean' || node.type === 'null')) {
                overwriteRange = jsonLanguageTypes_1.Range.create(document.positionAt(node.offset), document.positionAt(node.offset + node.length));
            }
            else {
                var overwriteStart = offset - currentWord.length;
                if (overwriteStart > 0 && text[overwriteStart - 1] === '"') {
                    overwriteStart--;
                }
                overwriteRange = jsonLanguageTypes_1.Range.create(document.positionAt(overwriteStart), position);
            }
            var supportsCommitCharacters = false; //this.doesSupportsCommitCharacters(); disabled for now, waiting for new API: https://github.com/microsoft/vscode/issues/42544
            var proposed = {};
            var collector = {
                add: function (suggestion) {
                    var label = suggestion.label;
                    var existing = proposed[label];
                    if (!existing) {
                        label = label.replace(/[\n]/g, '↵');
                        if (label.length > 60) {
                            var shortendedLabel = label.substr(0, 57).trim() + '...';
                            if (!proposed[shortendedLabel]) {
                                label = shortendedLabel;
                            }
                        }
                        if (overwriteRange && suggestion.insertText !== undefined) {
                            suggestion.textEdit = jsonLanguageTypes_1.TextEdit.replace(overwriteRange, suggestion.insertText);
                        }
                        if (supportsCommitCharacters) {
                            suggestion.commitCharacters = suggestion.kind === jsonLanguageTypes_1.CompletionItemKind.Property ? propertyCommitCharacters : valueCommitCharacters;
                        }
                        suggestion.label = label;
                        proposed[label] = suggestion;
                        result.items.push(suggestion);
                    }
                    else {
                        if (!existing.documentation) {
                            existing.documentation = suggestion.documentation;
                        }
                        if (!existing.detail) {
                            existing.detail = suggestion.detail;
                        }
                    }
                },
                setAsIncomplete: function () {
                    result.isIncomplete = true;
                },
                error: function (message) {
                    console.error(message);
                },
                log: function (message) {
                    console.log(message);
                },
                getNumberOfProposals: function () {
                    return result.items.length;
                }
            };
            return this.schemaService.getSchemaForResource(document.uri, doc).then(function (schema) {
                var collectionPromises = [];
                var addValue = true;
                var currentKey = '';
                var currentProperty = undefined;
                if (node) {
                    if (node.type === 'string') {
                        var parent = node.parent;
                        if (parent && parent.type === 'property' && parent.keyNode === node) {
                            addValue = !parent.valueNode;
                            currentProperty = parent;
                            currentKey = text.substr(node.offset + 1, node.length - 2);
                            if (parent) {
                                node = parent.parent;
                            }
                        }
                    }
                }
                // proposals for properties
                if (node && node.type === 'object') {
                    // don't suggest keys when the cursor is just before the opening curly brace
                    if (node.offset === offset) {
                        return result;
                    }
                    // don't suggest properties that are already present
                    var properties = node.properties;
                    properties.forEach(function (p) {
                        if (!currentProperty || currentProperty !== p) {
                            proposed[p.keyNode.value] = jsonLanguageTypes_1.CompletionItem.create('__');
                        }
                    });
                    var separatorAfter_1 = '';
                    if (addValue) {
                        separatorAfter_1 = _this.evaluateSeparatorAfter(document, document.offsetAt(overwriteRange.end));
                    }
                    if (schema) {
                        // property proposals with schema
                        _this.getPropertyCompletions(schema, doc, node, addValue, separatorAfter_1, collector);
                    }
                    else {
                        // property proposals without schema
                        _this.getSchemaLessPropertyCompletions(doc, node, currentKey, collector);
                    }
                    var location_1 = Parser.getNodePath(node);
                    _this.contributions.forEach(function (contribution) {
                        var collectPromise = contribution.collectPropertyCompletions(document.uri, location_1, currentWord, addValue, separatorAfter_1 === '', collector);
                        if (collectPromise) {
                            collectionPromises.push(collectPromise);
                        }
                    });
                    if ((!schema && currentWord.length > 0 && text.charAt(offset - currentWord.length - 1) !== '"')) {
                        collector.add({
                            kind: jsonLanguageTypes_1.CompletionItemKind.Property,
                            label: _this.getLabelForValue(currentWord),
                            insertText: _this.getInsertTextForProperty(currentWord, undefined, false, separatorAfter_1),
                            insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet, documentation: '',
                        });
                        collector.setAsIncomplete();
                    }
                }
                // proposals for values
                var types = {};
                if (schema) {
                    // value proposals with schema
                    _this.getValueCompletions(schema, doc, node, offset, document, collector, types);
                }
                else {
                    // value proposals without schema
                    _this.getSchemaLessValueCompletions(doc, node, offset, document, collector);
                }
                if (_this.contributions.length > 0) {
                    _this.getContributedValueCompletions(doc, node, offset, document, collector, collectionPromises);
                }
                return _this.promiseConstructor.all(collectionPromises).then(function () {
                    if (collector.getNumberOfProposals() === 0) {
                        var offsetForSeparator = offset;
                        if (node && (node.type === 'string' || node.type === 'number' || node.type === 'boolean' || node.type === 'null')) {
                            offsetForSeparator = node.offset + node.length;
                        }
                        var separatorAfter = _this.evaluateSeparatorAfter(document, offsetForSeparator);
                        _this.addFillerValueCompletions(types, separatorAfter, collector);
                    }
                    return result;
                });
            });
        };
        JSONCompletion.prototype.getPropertyCompletions = function (schema, doc, node, addValue, separatorAfter, collector) {
            var _this = this;
            var matchingSchemas = doc.getMatchingSchemas(schema.schema, node.offset);
            matchingSchemas.forEach(function (s) {
                if (s.node === node && !s.inverted) {
                    var schemaProperties_1 = s.schema.properties;
                    if (schemaProperties_1) {
                        Object.keys(schemaProperties_1).forEach(function (key) {
                            var propertySchema = schemaProperties_1[key];
                            if (typeof propertySchema === 'object' && !propertySchema.deprecationMessage && !propertySchema.doNotSuggest) {
                                var proposal = {
                                    kind: jsonLanguageTypes_1.CompletionItemKind.Property,
                                    label: key,
                                    insertText: _this.getInsertTextForProperty(key, propertySchema, addValue, separatorAfter),
                                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                                    filterText: _this.getFilterTextForValue(key),
                                    documentation: _this.fromMarkup(propertySchema.markdownDescription) || propertySchema.description || '',
                                };
                                if (propertySchema.suggestSortText !== undefined) {
                                    proposal.sortText = propertySchema.suggestSortText;
                                }
                                if (proposal.insertText && strings_1.endsWith(proposal.insertText, "$1" + separatorAfter)) {
                                    proposal.command = {
                                        title: 'Suggest',
                                        command: 'editor.action.triggerSuggest'
                                    };
                                }
                                collector.add(proposal);
                            }
                        });
                    }
                    var schemaPropertyNames_1 = s.schema.propertyNames;
                    if (typeof schemaPropertyNames_1 === 'object' && !schemaPropertyNames_1.deprecationMessage && !schemaPropertyNames_1.doNotSuggest) {
                        var propertyNameCompletionItem = function (name, enumDescription) {
                            if (enumDescription === void 0) { enumDescription = undefined; }
                            var proposal = {
                                kind: jsonLanguageTypes_1.CompletionItemKind.Property,
                                label: name,
                                insertText: _this.getInsertTextForProperty(name, undefined, addValue, separatorAfter),
                                insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                                filterText: _this.getFilterTextForValue(name),
                                documentation: enumDescription || _this.fromMarkup(schemaPropertyNames_1.markdownDescription) || schemaPropertyNames_1.description || '',
                            };
                            if (schemaPropertyNames_1.suggestSortText !== undefined) {
                                proposal.sortText = schemaPropertyNames_1.suggestSortText;
                            }
                            if (proposal.insertText && strings_1.endsWith(proposal.insertText, "$1" + separatorAfter)) {
                                proposal.command = {
                                    title: 'Suggest',
                                    command: 'editor.action.triggerSuggest'
                                };
                            }
                            collector.add(proposal);
                        };
                        if (schemaPropertyNames_1.enum) {
                            for (var i = 0; i < schemaPropertyNames_1.enum.length; i++) {
                                var enumDescription = undefined;
                                if (schemaPropertyNames_1.markdownEnumDescriptions && i < schemaPropertyNames_1.markdownEnumDescriptions.length) {
                                    enumDescription = _this.fromMarkup(schemaPropertyNames_1.markdownEnumDescriptions[i]);
                                }
                                else if (schemaPropertyNames_1.enumDescriptions && i < schemaPropertyNames_1.enumDescriptions.length) {
                                    enumDescription = schemaPropertyNames_1.enumDescriptions[i];
                                }
                                propertyNameCompletionItem(schemaPropertyNames_1.enum[i], enumDescription);
                            }
                        }
                        if (schemaPropertyNames_1.const) {
                            propertyNameCompletionItem(schemaPropertyNames_1.const);
                        }
                    }
                }
            });
        };
        JSONCompletion.prototype.getSchemaLessPropertyCompletions = function (doc, node, currentKey, collector) {
            var _this = this;
            var collectCompletionsForSimilarObject = function (obj) {
                obj.properties.forEach(function (p) {
                    var key = p.keyNode.value;
                    collector.add({
                        kind: jsonLanguageTypes_1.CompletionItemKind.Property,
                        label: key,
                        insertText: _this.getInsertTextForValue(key, ''),
                        insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                        filterText: _this.getFilterTextForValue(key),
                        documentation: ''
                    });
                });
            };
            if (node.parent) {
                if (node.parent.type === 'property') {
                    // if the object is a property value, check the tree for other objects that hang under a property of the same name
                    var parentKey_1 = node.parent.keyNode.value;
                    doc.visit(function (n) {
                        if (n.type === 'property' && n !== node.parent && n.keyNode.value === parentKey_1 && n.valueNode && n.valueNode.type === 'object') {
                            collectCompletionsForSimilarObject(n.valueNode);
                        }
                        return true;
                    });
                }
                else if (node.parent.type === 'array') {
                    // if the object is in an array, use all other array elements as similar objects
                    node.parent.items.forEach(function (n) {
                        if (n.type === 'object' && n !== node) {
                            collectCompletionsForSimilarObject(n);
                        }
                    });
                }
            }
            else if (node.type === 'object') {
                collector.add({
                    kind: jsonLanguageTypes_1.CompletionItemKind.Property,
                    label: '$schema',
                    insertText: this.getInsertTextForProperty('$schema', undefined, true, ''),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet, documentation: '',
                    filterText: this.getFilterTextForValue("$schema")
                });
            }
        };
        JSONCompletion.prototype.getSchemaLessValueCompletions = function (doc, node, offset, document, collector) {
            var _this = this;
            var offsetForSeparator = offset;
            if (node && (node.type === 'string' || node.type === 'number' || node.type === 'boolean' || node.type === 'null')) {
                offsetForSeparator = node.offset + node.length;
                node = node.parent;
            }
            if (!node) {
                collector.add({
                    kind: this.getSuggestionKind('object'),
                    label: 'Empty object',
                    insertText: this.getInsertTextForValue({}, ''),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    documentation: ''
                });
                collector.add({
                    kind: this.getSuggestionKind('array'),
                    label: 'Empty array',
                    insertText: this.getInsertTextForValue([], ''),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    documentation: ''
                });
                return;
            }
            var separatorAfter = this.evaluateSeparatorAfter(document, offsetForSeparator);
            var collectSuggestionsForValues = function (value) {
                if (value.parent && !Parser.contains(value.parent, offset, true)) {
                    collector.add({
                        kind: _this.getSuggestionKind(value.type),
                        label: _this.getLabelTextForMatchingNode(value, document),
                        insertText: _this.getInsertTextForMatchingNode(value, document, separatorAfter),
                        insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet, documentation: ''
                    });
                }
                if (value.type === 'boolean') {
                    _this.addBooleanValueCompletion(!value.value, separatorAfter, collector);
                }
            };
            if (node.type === 'property') {
                if (offset > (node.colonOffset || 0)) {
                    var valueNode = node.valueNode;
                    if (valueNode && (offset > (valueNode.offset + valueNode.length) || valueNode.type === 'object' || valueNode.type === 'array')) {
                        return;
                    }
                    // suggest values at the same key
                    var parentKey_2 = node.keyNode.value;
                    doc.visit(function (n) {
                        if (n.type === 'property' && n.keyNode.value === parentKey_2 && n.valueNode) {
                            collectSuggestionsForValues(n.valueNode);
                        }
                        return true;
                    });
                    if (parentKey_2 === '$schema' && node.parent && !node.parent.parent) {
                        this.addDollarSchemaCompletions(separatorAfter, collector);
                    }
                }
            }
            if (node.type === 'array') {
                if (node.parent && node.parent.type === 'property') {
                    // suggest items of an array at the same key
                    var parentKey_3 = node.parent.keyNode.value;
                    doc.visit(function (n) {
                        if (n.type === 'property' && n.keyNode.value === parentKey_3 && n.valueNode && n.valueNode.type === 'array') {
                            n.valueNode.items.forEach(collectSuggestionsForValues);
                        }
                        return true;
                    });
                }
                else {
                    // suggest items in the same array
                    node.items.forEach(collectSuggestionsForValues);
                }
            }
        };
        JSONCompletion.prototype.getValueCompletions = function (schema, doc, node, offset, document, collector, types) {
            var offsetForSeparator = offset;
            var parentKey = undefined;
            var valueNode = undefined;
            if (node && (node.type === 'string' || node.type === 'number' || node.type === 'boolean' || node.type === 'null')) {
                offsetForSeparator = node.offset + node.length;
                valueNode = node;
                node = node.parent;
            }
            if (!node) {
                this.addSchemaValueCompletions(schema.schema, '', collector, types);
                return;
            }
            if ((node.type === 'property') && offset > (node.colonOffset || 0)) {
                var valueNode_1 = node.valueNode;
                if (valueNode_1 && offset > (valueNode_1.offset + valueNode_1.length)) {
                    return; // we are past the value node
                }
                parentKey = node.keyNode.value;
                node = node.parent;
            }
            if (node && (parentKey !== undefined || node.type === 'array')) {
                var separatorAfter = this.evaluateSeparatorAfter(document, offsetForSeparator);
                var matchingSchemas = doc.getMatchingSchemas(schema.schema, node.offset, valueNode);
                for (var _i = 0, matchingSchemas_1 = matchingSchemas; _i < matchingSchemas_1.length; _i++) {
                    var s = matchingSchemas_1[_i];
                    if (s.node === node && !s.inverted && s.schema) {
                        if (node.type === 'array' && s.schema.items) {
                            if (Array.isArray(s.schema.items)) {
                                var index = this.findItemAtOffset(node, document, offset);
                                if (index < s.schema.items.length) {
                                    this.addSchemaValueCompletions(s.schema.items[index], separatorAfter, collector, types);
                                }
                            }
                            else {
                                this.addSchemaValueCompletions(s.schema.items, separatorAfter, collector, types);
                            }
                        }
                        if (parentKey !== undefined) {
                            var propertyMatched = false;
                            if (s.schema.properties) {
                                var propertySchema = s.schema.properties[parentKey];
                                if (propertySchema) {
                                    propertyMatched = true;
                                    this.addSchemaValueCompletions(propertySchema, separatorAfter, collector, types);
                                }
                            }
                            if (s.schema.patternProperties && !propertyMatched) {
                                for (var _a = 0, _b = Object.keys(s.schema.patternProperties); _a < _b.length; _a++) {
                                    var pattern = _b[_a];
                                    var regex = strings_1.extendedRegExp(pattern);
                                    if (regex.test(parentKey)) {
                                        propertyMatched = true;
                                        var propertySchema = s.schema.patternProperties[pattern];
                                        this.addSchemaValueCompletions(propertySchema, separatorAfter, collector, types);
                                    }
                                }
                            }
                            if (s.schema.additionalProperties && !propertyMatched) {
                                var propertySchema = s.schema.additionalProperties;
                                this.addSchemaValueCompletions(propertySchema, separatorAfter, collector, types);
                            }
                        }
                    }
                }
                if (parentKey === '$schema' && !node.parent) {
                    this.addDollarSchemaCompletions(separatorAfter, collector);
                }
                if (types['boolean']) {
                    this.addBooleanValueCompletion(true, separatorAfter, collector);
                    this.addBooleanValueCompletion(false, separatorAfter, collector);
                }
                if (types['null']) {
                    this.addNullValueCompletion(separatorAfter, collector);
                }
            }
        };
        JSONCompletion.prototype.getContributedValueCompletions = function (doc, node, offset, document, collector, collectionPromises) {
            if (!node) {
                this.contributions.forEach(function (contribution) {
                    var collectPromise = contribution.collectDefaultCompletions(document.uri, collector);
                    if (collectPromise) {
                        collectionPromises.push(collectPromise);
                    }
                });
            }
            else {
                if (node.type === 'string' || node.type === 'number' || node.type === 'boolean' || node.type === 'null') {
                    node = node.parent;
                }
                if (node && (node.type === 'property') && offset > (node.colonOffset || 0)) {
                    var parentKey_4 = node.keyNode.value;
                    var valueNode = node.valueNode;
                    if ((!valueNode || offset <= (valueNode.offset + valueNode.length)) && node.parent) {
                        var location_2 = Parser.getNodePath(node.parent);
                        this.contributions.forEach(function (contribution) {
                            var collectPromise = contribution.collectValueCompletions(document.uri, location_2, parentKey_4, collector);
                            if (collectPromise) {
                                collectionPromises.push(collectPromise);
                            }
                        });
                    }
                }
            }
        };
        JSONCompletion.prototype.addSchemaValueCompletions = function (schema, separatorAfter, collector, types) {
            var _this = this;
            if (typeof schema === 'object') {
                this.addEnumValueCompletions(schema, separatorAfter, collector);
                this.addDefaultValueCompletions(schema, separatorAfter, collector);
                this.collectTypes(schema, types);
                if (Array.isArray(schema.allOf)) {
                    schema.allOf.forEach(function (s) { return _this.addSchemaValueCompletions(s, separatorAfter, collector, types); });
                }
                if (Array.isArray(schema.anyOf)) {
                    schema.anyOf.forEach(function (s) { return _this.addSchemaValueCompletions(s, separatorAfter, collector, types); });
                }
                if (Array.isArray(schema.oneOf)) {
                    schema.oneOf.forEach(function (s) { return _this.addSchemaValueCompletions(s, separatorAfter, collector, types); });
                }
            }
        };
        JSONCompletion.prototype.addDefaultValueCompletions = function (schema, separatorAfter, collector, arrayDepth) {
            var _this = this;
            if (arrayDepth === void 0) { arrayDepth = 0; }
            var hasProposals = false;
            if (objects_1.isDefined(schema.default)) {
                var type = schema.type;
                var value = schema.default;
                for (var i = arrayDepth; i > 0; i--) {
                    value = [value];
                    type = 'array';
                }
                collector.add({
                    kind: this.getSuggestionKind(type),
                    label: this.getLabelForValue(value),
                    insertText: this.getInsertTextForValue(value, separatorAfter),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    detail: localize('json.suggest.default', 'Default value')
                });
                hasProposals = true;
            }
            if (Array.isArray(schema.examples)) {
                schema.examples.forEach(function (example) {
                    var type = schema.type;
                    var value = example;
                    for (var i = arrayDepth; i > 0; i--) {
                        value = [value];
                        type = 'array';
                    }
                    collector.add({
                        kind: _this.getSuggestionKind(type),
                        label: _this.getLabelForValue(value),
                        insertText: _this.getInsertTextForValue(value, separatorAfter),
                        insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet
                    });
                    hasProposals = true;
                });
            }
            if (Array.isArray(schema.defaultSnippets)) {
                schema.defaultSnippets.forEach(function (s) {
                    var type = schema.type;
                    var value = s.body;
                    var label = s.label;
                    var insertText;
                    var filterText;
                    if (objects_1.isDefined(value)) {
                        var type_1 = schema.type;
                        for (var i = arrayDepth; i > 0; i--) {
                            value = [value];
                            type_1 = 'array';
                        }
                        insertText = _this.getInsertTextForSnippetValue(value, separatorAfter);
                        filterText = _this.getFilterTextForSnippetValue(value);
                        label = label || _this.getLabelForSnippetValue(value);
                    }
                    else if (typeof s.bodyText === 'string') {
                        var prefix = '', suffix = '', indent = '';
                        for (var i = arrayDepth; i > 0; i--) {
                            prefix = prefix + indent + '[\n';
                            suffix = suffix + '\n' + indent + ']';
                            indent += '\t';
                            type = 'array';
                        }
                        insertText = prefix + indent + s.bodyText.split('\n').join('\n' + indent) + suffix + separatorAfter;
                        label = label || insertText,
                            filterText = insertText.replace(/[\n]/g, ''); // remove new lines
                    }
                    else {
                        return;
                    }
                    collector.add({
                        kind: _this.getSuggestionKind(type),
                        label: label,
                        documentation: _this.fromMarkup(s.markdownDescription) || s.description,
                        insertText: insertText,
                        insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                        filterText: filterText
                    });
                    hasProposals = true;
                });
            }
            if (!hasProposals && typeof schema.items === 'object' && !Array.isArray(schema.items) && arrayDepth < 5 /* beware of recursion */) {
                this.addDefaultValueCompletions(schema.items, separatorAfter, collector, arrayDepth + 1);
            }
        };
        JSONCompletion.prototype.addEnumValueCompletions = function (schema, separatorAfter, collector) {
            if (objects_1.isDefined(schema.const)) {
                collector.add({
                    kind: this.getSuggestionKind(schema.type),
                    label: this.getLabelForValue(schema.const),
                    insertText: this.getInsertTextForValue(schema.const, separatorAfter),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    documentation: this.fromMarkup(schema.markdownDescription) || schema.description
                });
            }
            if (Array.isArray(schema.enum)) {
                for (var i = 0, length = schema.enum.length; i < length; i++) {
                    var enm = schema.enum[i];
                    var documentation = this.fromMarkup(schema.markdownDescription) || schema.description;
                    if (schema.markdownEnumDescriptions && i < schema.markdownEnumDescriptions.length && this.doesSupportMarkdown()) {
                        documentation = this.fromMarkup(schema.markdownEnumDescriptions[i]);
                    }
                    else if (schema.enumDescriptions && i < schema.enumDescriptions.length) {
                        documentation = schema.enumDescriptions[i];
                    }
                    collector.add({
                        kind: this.getSuggestionKind(schema.type),
                        label: this.getLabelForValue(enm),
                        insertText: this.getInsertTextForValue(enm, separatorAfter),
                        insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                        documentation: documentation
                    });
                }
            }
        };
        JSONCompletion.prototype.collectTypes = function (schema, types) {
            if (Array.isArray(schema.enum) || objects_1.isDefined(schema.const)) {
                return;
            }
            var type = schema.type;
            if (Array.isArray(type)) {
                type.forEach(function (t) { return types[t] = true; });
            }
            else if (type) {
                types[type] = true;
            }
        };
        JSONCompletion.prototype.addFillerValueCompletions = function (types, separatorAfter, collector) {
            if (types['object']) {
                collector.add({
                    kind: this.getSuggestionKind('object'),
                    label: '{}',
                    insertText: this.getInsertTextForGuessedValue({}, separatorAfter),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    detail: localize('defaults.object', 'New object'),
                    documentation: ''
                });
            }
            if (types['array']) {
                collector.add({
                    kind: this.getSuggestionKind('array'),
                    label: '[]',
                    insertText: this.getInsertTextForGuessedValue([], separatorAfter),
                    insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                    detail: localize('defaults.array', 'New array'),
                    documentation: ''
                });
            }
        };
        JSONCompletion.prototype.addBooleanValueCompletion = function (value, separatorAfter, collector) {
            collector.add({
                kind: this.getSuggestionKind('boolean'),
                label: value ? 'true' : 'false',
                insertText: this.getInsertTextForValue(value, separatorAfter),
                insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                documentation: ''
            });
        };
        JSONCompletion.prototype.addNullValueCompletion = function (separatorAfter, collector) {
            collector.add({
                kind: this.getSuggestionKind('null'),
                label: 'null',
                insertText: 'null' + separatorAfter,
                insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet,
                documentation: ''
            });
        };
        JSONCompletion.prototype.addDollarSchemaCompletions = function (separatorAfter, collector) {
            var _this = this;
            var schemaIds = this.schemaService.getRegisteredSchemaIds(function (schema) { return schema === 'http' || schema === 'https'; });
            schemaIds.forEach(function (schemaId) { return collector.add({
                kind: jsonLanguageTypes_1.CompletionItemKind.Module,
                label: _this.getLabelForValue(schemaId),
                filterText: _this.getFilterTextForValue(schemaId),
                insertText: _this.getInsertTextForValue(schemaId, separatorAfter),
                insertTextFormat: jsonLanguageTypes_1.InsertTextFormat.Snippet, documentation: ''
            }); });
        };
        JSONCompletion.prototype.getLabelForValue = function (value) {
            return JSON.stringify(value);
        };
        JSONCompletion.prototype.getFilterTextForValue = function (value) {
            return JSON.stringify(value);
        };
        JSONCompletion.prototype.getFilterTextForSnippetValue = function (value) {
            return JSON.stringify(value).replace(/\$\{\d+:([^}]+)\}|\$\d+/g, '$1');
        };
        JSONCompletion.prototype.getLabelForSnippetValue = function (value) {
            var label = JSON.stringify(value);
            return label.replace(/\$\{\d+:([^}]+)\}|\$\d+/g, '$1');
        };
        JSONCompletion.prototype.getInsertTextForPlainText = function (text) {
            return text.replace(/[\\\$\}]/g, '\\$&'); // escape $, \ and } 
        };
        JSONCompletion.prototype.getInsertTextForValue = function (value, separatorAfter) {
            var text = JSON.stringify(value, null, '\t');
            if (text === '{}') {
                return '{$1}' + separatorAfter;
            }
            else if (text === '[]') {
                return '[$1]' + separatorAfter;
            }
            return this.getInsertTextForPlainText(text + separatorAfter);
        };
        JSONCompletion.prototype.getInsertTextForSnippetValue = function (value, separatorAfter) {
            var replacer = function (value) {
                if (typeof value === 'string') {
                    if (value[0] === '^') {
                        return value.substr(1);
                    }
                }
                return JSON.stringify(value);
            };
            return json_1.stringifyObject(value, '', replacer) + separatorAfter;
        };
        JSONCompletion.prototype.getInsertTextForGuessedValue = function (value, separatorAfter) {
            switch (typeof value) {
                case 'object':
                    if (value === null) {
                        return '${1:null}' + separatorAfter;
                    }
                    return this.getInsertTextForValue(value, separatorAfter);
                case 'string':
                    var snippetValue = JSON.stringify(value);
                    snippetValue = snippetValue.substr(1, snippetValue.length - 2); // remove quotes
                    snippetValue = this.getInsertTextForPlainText(snippetValue); // escape \ and }
                    return '"${1:' + snippetValue + '}"' + separatorAfter;
                case 'number':
                case 'boolean':
                    return '${1:' + JSON.stringify(value) + '}' + separatorAfter;
            }
            return this.getInsertTextForValue(value, separatorAfter);
        };
        JSONCompletion.prototype.getSuggestionKind = function (type) {
            if (Array.isArray(type)) {
                var array = type;
                type = array.length > 0 ? array[0] : undefined;
            }
            if (!type) {
                return jsonLanguageTypes_1.CompletionItemKind.Value;
            }
            switch (type) {
                case 'string': return jsonLanguageTypes_1.CompletionItemKind.Value;
                case 'object': return jsonLanguageTypes_1.CompletionItemKind.Module;
                case 'property': return jsonLanguageTypes_1.CompletionItemKind.Property;
                default: return jsonLanguageTypes_1.CompletionItemKind.Value;
            }
        };
        JSONCompletion.prototype.getLabelTextForMatchingNode = function (node, document) {
            switch (node.type) {
                case 'array':
                    return '[]';
                case 'object':
                    return '{}';
                default:
                    var content = document.getText().substr(node.offset, node.length);
                    return content;
            }
        };
        JSONCompletion.prototype.getInsertTextForMatchingNode = function (node, document, separatorAfter) {
            switch (node.type) {
                case 'array':
                    return this.getInsertTextForValue([], separatorAfter);
                case 'object':
                    return this.getInsertTextForValue({}, separatorAfter);
                default:
                    var content = document.getText().substr(node.offset, node.length) + separatorAfter;
                    return this.getInsertTextForPlainText(content);
            }
        };
        JSONCompletion.prototype.getInsertTextForProperty = function (key, propertySchema, addValue, separatorAfter) {
            var propertyText = this.getInsertTextForValue(key, '');
            if (!addValue) {
                return propertyText;
            }
            var resultText = propertyText + ': ';
            var value;
            var nValueProposals = 0;
            if (propertySchema) {
                if (Array.isArray(propertySchema.defaultSnippets)) {
                    if (propertySchema.defaultSnippets.length === 1) {
                        var body = propertySchema.defaultSnippets[0].body;
                        if (objects_1.isDefined(body)) {
                            value = this.getInsertTextForSnippetValue(body, '');
                        }
                    }
                    nValueProposals += propertySchema.defaultSnippets.length;
                }
                if (propertySchema.enum) {
                    if (!value && propertySchema.enum.length === 1) {
                        value = this.getInsertTextForGuessedValue(propertySchema.enum[0], '');
                    }
                    nValueProposals += propertySchema.enum.length;
                }
                if (objects_1.isDefined(propertySchema.default)) {
                    if (!value) {
                        value = this.getInsertTextForGuessedValue(propertySchema.default, '');
                    }
                    nValueProposals++;
                }
                if (Array.isArray(propertySchema.examples) && propertySchema.examples.length) {
                    if (!value) {
                        value = this.getInsertTextForGuessedValue(propertySchema.examples[0], '');
                    }
                    nValueProposals += propertySchema.examples.length;
                }
                if (nValueProposals === 0) {
                    var type = Array.isArray(propertySchema.type) ? propertySchema.type[0] : propertySchema.type;
                    if (!type) {
                        if (propertySchema.properties) {
                            type = 'object';
                        }
                        else if (propertySchema.items) {
                            type = 'array';
                        }
                    }
                    switch (type) {
                        case 'boolean':
                            value = '$1';
                            break;
                        case 'string':
                            value = '"$1"';
                            break;
                        case 'object':
                            value = '{$1}';
                            break;
                        case 'array':
                            value = '[$1]';
                            break;
                        case 'number':
                        case 'integer':
                            value = '${1:0}';
                            break;
                        case 'null':
                            value = '${1:null}';
                            break;
                        default:
                            return propertyText;
                    }
                }
            }
            if (!value || nValueProposals > 1) {
                value = '$1';
            }
            return resultText + value + separatorAfter;
        };
        JSONCompletion.prototype.getCurrentWord = function (document, offset) {
            var i = offset - 1;
            var text = document.getText();
            while (i >= 0 && ' \t\n\r\v":{[,]}'.indexOf(text.charAt(i)) === -1) {
                i--;
            }
            return text.substring(i + 1, offset);
        };
        JSONCompletion.prototype.evaluateSeparatorAfter = function (document, offset) {
            var scanner = Json.createScanner(document.getText(), true);
            scanner.setPosition(offset);
            var token = scanner.scan();
            switch (token) {
                case 5 /* CommaToken */:
                case 2 /* CloseBraceToken */:
                case 4 /* CloseBracketToken */:
                case 17 /* EOF */:
                    return '';
                default:
                    return ',';
            }
        };
        JSONCompletion.prototype.findItemAtOffset = function (node, document, offset) {
            var scanner = Json.createScanner(document.getText(), true);
            var children = node.items;
            for (var i = children.length - 1; i >= 0; i--) {
                var child = children[i];
                if (offset > child.offset + child.length) {
                    scanner.setPosition(child.offset + child.length);
                    var token = scanner.scan();
                    if (token === 5 /* CommaToken */ && offset >= scanner.getTokenOffset() + scanner.getTokenLength()) {
                        return i + 1;
                    }
                    return i;
                }
                else if (offset >= child.offset) {
                    return i;
                }
            }
            return 0;
        };
        JSONCompletion.prototype.isInComment = function (document, start, offset) {
            var scanner = Json.createScanner(document.getText(), false);
            scanner.setPosition(start);
            var token = scanner.scan();
            while (token !== 17 /* EOF */ && (scanner.getTokenOffset() + scanner.getTokenLength() < offset)) {
                token = scanner.scan();
            }
            return (token === 12 /* LineCommentTrivia */ || token === 13 /* BlockCommentTrivia */) && scanner.getTokenOffset() <= offset;
        };
        JSONCompletion.prototype.fromMarkup = function (markupString) {
            if (markupString && this.doesSupportMarkdown()) {
                return {
                    kind: jsonLanguageTypes_1.MarkupKind.Markdown,
                    value: markupString
                };
            }
            return undefined;
        };
        JSONCompletion.prototype.doesSupportMarkdown = function () {
            if (!objects_1.isDefined(this.supportsMarkdown)) {
                var completion = this.clientCapabilities.textDocument && this.clientCapabilities.textDocument.completion;
                this.supportsMarkdown = completion && completion.completionItem && Array.isArray(completion.completionItem.documentationFormat) && completion.completionItem.documentationFormat.indexOf(jsonLanguageTypes_1.MarkupKind.Markdown) !== -1;
            }
            return this.supportsMarkdown;
        };
        JSONCompletion.prototype.doesSupportsCommitCharacters = function () {
            if (!objects_1.isDefined(this.supportsCommitCharacters)) {
                var completion = this.clientCapabilities.textDocument && this.clientCapabilities.textDocument.completion;
                this.supportsCommitCharacters = completion && completion.completionItem && !!completion.completionItem.commitCharactersSupport;
            }
            return this.supportsCommitCharacters;
        };
        return JSONCompletion;
    }());
    exports.JSONCompletion = JSONCompletion;
});