// ROUTES FOR OUR APIselectClassStudent
// =============================================================================
const express = require("express");
const request = require("request");
const bcrypt = require("bcryptjs");
const router = express.Router(); // get an instance of the express Router
const querystring = require("querystring");
var mysql = require("./mysql");
// const _mysqlLabor = ["123.58.32.151", "pbl"]; //edu數據庫信息
// const _mysqluser = ["123.58.32.151", "cocorobouser"]; //用户数据库信息
// const _getmysqlLabor = ["123.58.32.151", "pbl"]; //edu數據庫信息
// const _getmysqluser = ["123.58.32.151", "cocorobouser"]; //edu數據庫信息
const _mysqlLabor = ["172.16.12.5", "pbl"]; //edu數據庫信息
const _mysqluser = ["172.16.12.5", "cocorobouser"]; //edu數據庫信息
// const _getmysqlLabor = ["172.16.12.5", "pbl"]; //edu數據庫信息
// const _getmysqluser = ["172.16.12.5", "cocorobouser"]; //edu數據庫信息
const _getmysqlLabor2 = ["172.16.12.7", "pbl"]; //edu數據庫信息
const _getmysqlLabor = ["172.16.12.7", "pbl"]; //edu數據庫信息
const _getmysqluser = ["172.16.12.7", "cocorobouser"]; //edu數據庫信息
const _localhost = ["127.0.0.1", "pbl"]; //edu數據庫信息
const crypto = require("crypto");
const https = require("https");
const { Pool } = require('pg');
const axios = require('axios');

const loginHandler = require('./login'); // 确保路径正确
const { r2rClient } = require("r2r-js");
const client = new r2rClient("https://r2rserver.cocorobo.cn/");


router.route("/login").all(async (req, res, next) => {
    loginHandler(req, res)
});

router.route("/logout").all(async (req, res, next) => {
    try {
        const response = await client.users.logout();
        res.status(200).json({result: response.results});
    } catch (error) {
        res.status(500).json({error: error instanceof Error ? error.message : "An error occurred"});
    }
});

router.route("/getDocument").all(async (req, res, next) => {
    try {
        const response = await client.documents.list({
            limit: 10,
            offset: 0,
        });
        console.log(response);
        
        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//列出文档块
router.route("/listChunks").all(async (req, res, next) => {
    try {
        const response = await client.documents.listChunks({
            id: "5111165f-965c-5d61-89e3-1f74b0178032",
        });
        console.log(response);
        
        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//提取实体和关系
router.route("/extract").all(async (req, res, next) => {
    try {
        const response = await client.documents.extract({ id: "5111165f-965c-5d61-89e3-1f74b0178032" })
        console.log(response);
        
        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});



router.route("/selectUser").all((req, res, next) => {
    var json = queryString(req.url);
    getmysql(req, res, "selectUser", json["userid"]);
});


function generateAPIKey(username) {
    let timeStamp = new Date().getTime();

    let hashStr = timeStamp + username;

    let digest = crypto
        .createHash("sha256")
        .update(hashStr, "utf8")
        .digest("hex");

    return digest;
}

queryString = function(url) {
    var a = url.split("?");
    var json = querystring.parse(a[1]);
    return json;
};

//post存儲過程處理
postmysql = function(req, res, functionname) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//post存儲過程處理
postmysql2 = function(req, res, functionname) {
    //mode的處理
    if (req.body) {
        p = Object.values(req.body)[0].split(",");
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//post存儲過程處理
postmysql3 = function(req, res, functionname) {
    //mode的處理
    if (req.body) {
        p = Object.values(req.body);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//get獲取數據庫信息
getmysql = function(req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_getmysqlLabor[0], _getmysqlLabor[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function(ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//get獲取數據庫信息
getmysql2 = function(req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function(ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//get獲取數據庫信息
getmysql3 = function(req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_getmysqlLabor2[0], _getmysqlLabor2[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function(ret) {
        res.end(JSON.stringify(ret));
    }); //
};


//post存储过程处理

userpostmysql = function(req, res, functionname) {
    //mode的处理

    if (req.body.mode) {
        p = req.body.mode.split(",");

        p.unshift(_mysqluser[0], _mysqluser[1], functionname);

        //执行存储过程

        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//get获取数据库信息

usergetmysql = function(req, res, functionname, ...p) {
    p = p || [];

    p.unshift(_mysqluser[0], _mysqluser[1], functionname);
    
    //执行存储过程

    mysql.usselect(p, function(ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//post存儲過程處理
postmysqlLocal = function(req, res) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_localhost[0], _localhost[1]);
        //執行存儲過程
        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

postmysqlOnline = function(req, res) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1]);
        //執行存儲過程
        mysql.usselect(p, function(ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

module.exports = router;