const mymongodb = require('../../mongoIndex')

const crypto = require('crypto');

const AbiturControllerInterface = require('../../controllers/interfaces/abitur.controller.interface');

const { ObjectId } = require('mongodb');
const e = require('express');

class AbiturController extends AbiturControllerInterface{
    
    async createAbitur(req, res) {
        // const {first_name, last_name, middle_name, email, password} = req.body

        // var hash = crypto.createHash('md5').update(password).digest('hex');

        // const newAbitur = await db.query('INSERT INTO abitur (first_name, last_name, middle_name, email, password) VALUES ($1, $2, $3, $4, $5) RETURNING *', [first_name, last_name, middle_name, email, hash])
        // res.json(newAbitur.rows[0])

        const {first_name, last_name, middle_name, email, password} = req.body

        var hash = crypto.createHash('md5').update(password).digest('hex')
        
        const collection = mymongodb.collection('abiturs')

        const newAbitur = collection.insertOne({
            first_name: first_name,
            last_name: last_name,
            middle_name: middle_name,
            email: email,
            password: hash
        })
        res.json({id: 1})
    }
    async createAbiturWithId(req, res) {
        // const {id, first_name, last_name, middle_name, email, password} = req.body

        // var hash = crypto.createHash('md5').update(password).digest('hex');

        // const newAbitur = await db.query('INSERT INTO abitur (id, first_name, last_name, middle_name, email, password) VALUES ($1, $2, $3, $4, $5, $6) RETURNING *', [id, first_name, last_name, middle_name, email, hash])
        // res.json(newAbitur.rows[0])

        const {id, first_name, last_name, middle_name, email, password, exam_results, requests} = req.body

        var hash = crypto.createHash('md5').update(password).digest('hex')
        
        const collection = mymongodb.collection('abiturs')

        const newAbitur = await collection.insertOne({
            _id: new ObjectId(id),
            first_name: first_name,
            last_name: last_name,
            middle_name: middle_name,
            email: email,
            password: hash, 
            exam_results: exam_results,
            requests: requests
        })

        res.json({id: 1})
    }
    async getAbiturs(req, res) {
        // const abiturs = await db.query('SELECT * FROM abitur')
        // res.json(abiturs.rows)
        const collection = mymongodb.collection('abiturs')
        const abiturs = await collection.find().toArray()
        res.json(abiturs)
    }
    async getOneAbitur(req, res) {
        // const id = req.params.id
        // const abiturs = await db.query('SELECT * FROM abitur WHERE id=$1', [id])
        // res.json(abiturs.rows[0])
        const id = req.params.id
        const collection = mymongodb.collection('abiturs')
        const abiturs = await collection.findOne({_id: new ObjectId(id)})
        res.json(abiturs)
    }
    async authAbitur(req, res) {
        // const {email, password} = req.body
        // var hash = crypto.createHash('md5').update(password).digest('hex');
        // const abitur = await db.query('SELECT * FROM abitur WHERE email = $1 AND password = $2', [email, hash])
        // res.json(abitur.rows[0])

        const collection = mymongodb.collection('abiturs')
        const {email, password} = req.body
        var hash = crypto.createHash('md5').update(password).digest('hex')

        const abitur = await collection.findOne({email: email, password: hash})

        res.json(abitur)
    }
    async updateAbitur(req, res) {
        // const {id, first_name, last_name, middle_name} = req.body
        // const newAbitur = await db.query('UPDATE abitur SET first_name=$1, last_name=$2, middle_name=$3 WHERE id=$4 RETURNING *', [first_name, last_name, middle_name, id])
        // res.json(newAbitur.rows[0])

        const {id, first_name, last_name, middle_name} = req.body
        const collection = mymongodb.collection('abiturs')
        await collection.findOneAndUpdate({_id: id}, {$set: {
            first_name: first_name,
            last_name: last_name,
            middle_name: middle_name,
        }})
        res.json({id: 1})
    }
    async deleteAbitur(req, res) {
        // const id = req.params.id
        // const abiturs = await db.query('DELETE FROM abitur WHERE id=$1', [id])
        // res.json(abiturs.rows[0])

        const id = req.params.id
        const collection = mymongodb.collection('abiturs')
        await collection.findOneAndDelete({_id: id})
        res.json({id: 1})

    }
    async deleteAll(req, res) {
        // const abiturs = await db.query('DELETE FROM abitur')
        // res.json(abiturs.rows)

        const collection = mymongodb.collection('abiturs')
        await collection.deleteMany({})
        res.json({id: 1})
    }
}

module.exports = new AbiturController()