const { resolve } = require("path");
const { __glob, __web } = require("../modules/global-variables");
const { LogType } = require('./sub-log');
const fs = require("fs")

const alog = new LogType("Authentification")

var users = new Map()
var sessions = new Array()
var betausers = new Array()

var packageJson = JSON.parse(fs.readFileSync(__glob.PACKAGE))

updateUsers()

module.exports.checkUser = function (token) {
    
    if(users.has(token)) {

        return true
    } else {

        return false
    }

}

module.exports.getSession = function (session) {


    if(sessions.includes(session)) {
    
        return true
       
    } else {

        return false
    }

}

module.exports.getDiscordUser = function (code, session) {

    return new Promise((resolve, reject) => {

        alog.log("Récupération de l'autorisation de récupération des informations de l'utilisateur associé à la session : " + session + " [ETAPE 2]")


            var link = "https://subsonics.raphix.fr" 

            if(process.env.DEV == "true") {
                link = "http://localhost:4000"
            }

            const params = new URLSearchParams();
            params.append('client_id', "1094727789682380922");
            params.append('client_secret', "uwtyPOPKCgw6ciBs20qiJ7LJrW9Ziclo");
            params.append('grant_type', 'authorization_code');
            params.append('code', code);
            params.append('redirect_uri',  link + "/internal/redirect");
            params.append('scope', 'identify guilds');

            fetch('https://discord.com/api/oauth2/token', {
                method: "POST",
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded'
                }, body : params
            }).then(resp1 => resp1.json()).then(authorizationKey => {

                alog.log("Récupération des informations de l'utilisateur associé à l'autorisation : '" + authorizationKey.access_token + "' et associé à la session : " + session + " [ETAPE 3]")

                fetch('https://discord.com/api/users/@me/guilds/137291455336022018/member', {
                    headers: {
                        authorization: `${authorizationKey.token_type} ${authorizationKey.access_token}`,
                    },
                }).then(resp2 => resp2.json()).then(userInfo => {

                    var user = {}

                    if(typeof userInfo.joined_at == "undefined") {

                        reject("NOT_IN_CLP")

                    } else if(typeof userInfo.user == "undefined") {
                        reject("MIGRATE_ACCOUNT_ONLY")

                    } else {

                        if(packageJson.beta_on == false) {
                            user.auth = authorizationKey
                            Object.assign(user, userInfo)
        
        
                            resolve(user)

                        } else {

                            if(betausers.includes(userInfo.user.id)) {

                                user.beta = true
                                Object.assign(user, userInfo)
                                
        
                                resolve(user)
    
                            } else {

                                reject("NOT_IN_BETA")
                            }

                        }
                        

                    }

                  
                    

                }).catch(error => reject(error)) 


            }).catch(error => reject(error))



        

    })

}

module.exports.saveSession = function (session) {

    sessions.push(session)
    alog.log("Nouvelle session enregistré : " + session)

}

module.exports.removeSession = function (session) {

    const index = sessions.indexOf(session)
    sessions.splice(index, 1)
    alog.log("Supression de la session : " + session)

}


module.exports.getUsers = function () {

    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))
    return userDB

}


module.exports.getUsersList = function () {

    var userList = new Array()
    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))

    for(var user of userDB) {

        userList.push({"username": user.user.username, "global_name":user.user.global_name, "avatar": user.user.avatar, "id": user.user.id, "admin": user.admin})

    }


    return userList

}

module.exports.getSimpleUser = function (token) {

    var user = users.get(token)

    if(!user) {

        return null
    }

    return ({"username": user.user.username, "global_name":user.user.global_name, "avatar": user.user.avatar, "id": user.user.id, "admin": user.admin})
}


module.exports.getUser = function (token) {
    return users.get(token)
}


module.exports.addUser = function (user) {

    if(!fs.existsSync(__glob.USERS)){

        fs.writeFileSync(__glob.USERS, '[]')
    }

    

    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))
    
    
    var selectedUser = null

    for(var userI of userDB) {

        if(user.user.id == userI.user.id) {

            selectedUser = userDB.indexOf(userI)
        }

    }

   

    if(selectedUser != null) {

        userDB[selectedUser].token = user.token

    } else {

        userDB.push(user)        
    }
    fs.writeFileSync(__glob.USERS, JSON.stringify(userDB, null, 2))

    updateUsers()
    alog.log("Ajout de " + user.user.username + " en tant qu'utilisateur avec le token : " + user.token)

}  

module.exports.setAdmin = function (user) {

    if(!fs.existsSync(__glob.USERS)){

        fs.writeFileSync(__glob.USERS, '[]')
    }

    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))

    var selectedUser = null

    for(var userI of userDB) {

        if(user.user.id == userI.user.id) {

            selectedUser = userDB.indexOf(userI)
        }

    }

    if(!userDB[selectedUser].admin) {

        userDB[selectedUser].admin = true
        console.log("[Personnal Quote] - New Admin")

    } else {

        userDB[selectedUser].admin = false
        console.log("[Personnal Quote] - Remove Admin")
    }
    
    
    fs.writeFileSync(__glob.USERS, JSON.stringify(userDB, null, 2))

    updateUsers()
    alog.log("Ajout de " + user.user.username + " en tant qu'administrateur avec le token : " + user.token)

}  



module.exports.removeUser = function (token) {

    if(!fs.existsSync(__glob.USERS)){

        fs.writeFileSync(__glob.USERS, '[]')
    }

    

    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))
    var selectedUser = null
    for (const user of userDB) {
        if(user.token == token) {

            selectedUser = user
        }
    }
    const index = userDB.indexOf(selectedUser)
    alog.log("Supression de " + selectedUser.user.username + " en tant qu'utilisateur avec le token : " + selectedUser.token)

    userDB.splice(index, 1)
    fs.writeFileSync(__glob.USERS, JSON.stringify(userDB, null, 2))

    updateUsers()
    
}  

function updateUsers() {

    
    if(!fs.existsSync(__glob.BETA_USERS)){

        fs.writeFileSync(__glob.BETA_USERS, '[]')
    }

    if(!fs.existsSync(__glob.USERS)){

        fs.writeFileSync(__glob.USERS, '[]')
    }


    const userDB = JSON.parse(fs.readFileSync(__glob.USERS))
    const betausersDB = JSON.parse(fs.readFileSync(__glob.BETA_USERS))

    for (const user of userDB) {
        
        users.set(user.token, user)
    }

    for (const id of betausersDB) {
        
        betausers.push(id)
    }

    alog.log("Actualisation de " + userDB.length + " utilisateurs depuis : " + __glob.USERS)
    alog.log("Actualisation de " + betausersDB.length + " utilisateurs bêtas depuis : " + __glob.BETA_USERS)
}