from flask import Flask, request, render_template, redirect, url_for
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user
import psycopg2

app = Flask(__name__, static_folder="./resource/")
app.secret_key = 'your_secret_key'
login_manager = LoginManager()
login_manager.init_app(app)

class Cert():
    def __init__(self):
        self.db = psycopg2.connect("host=localhost dbname=dislocker user=suti7 password=testing")
    
    def register(self, username, userid):
        cursor = self.db.cursor()
        insert_sql = "INSERT INTO user_list (discord_username, discord_userid) VALUES (%s, %s);"
        cursor.execute(insert_sql, (username, userid))
        self.db.commit()

    def login(self, username, password):
        cursor = self.db.cursor()
        get_sql = "SELECT * FROM web_auth WHERE username = %s AND password = %s "
        cursor.execute(get_sql, (username, password))
        result = cursor.fetchall()
        print(result)
        if result == []:
            return 1
        elif result[0][1] == username and result[0][2] == password:
            return 0

cert = Cert()

class User(UserMixin):
    def __init__(self, id):
        self.id = id
    
    def get_id(self):
        return self.id

@login_manager.user_loader
def load_user(user_id):
    return User(user_id)

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        user_id = request.form.get('user_id')
        password = request.form.get('password')
        
        # ユーザーIDとパスワードの検証を行う
        # ここでは省略しますが、実際にはデータベースなどからユーザー情報を取得し、パスワードを検証します
        if cert.login(user_id, password) == 0:
            user = User(user_id)
            login_user(user)
            return redirect(url_for('dacs'))
        else:
            print("WEB UI LOGIN ERROR")
            return redirect(url_for("damedesu"))
        
    return render_template('login.html')

@app.route('/logout')
@login_required
def logout():
    logout_user()
    return redirect(url_for('login'))

@app.route('/dacs', methods=["GET", "POST"])
@login_required
def dacs():
    if request.method == "POST":
        discord_userid = request.form.get("discord_userid")
        discord_username = request.form.get("discord_username")

        cert.register(discord_username, discord_userid)

    return render_template("dacs.html")

@app.route("/damedesu")
def damedesu():
    return render_template("damedesu.html")


@app.route("/")
def hello_world():
    return "<p>Hello world!</p>"

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=True)