import json
from flask import Blueprint, render_template, request, redirect, url_for, session, abort

from auth_utils import current_user, login_required
from quiz import get_all, get_by_id
from db import save_result

public_bp = Blueprint('public', __name__)


@public_bp.route('/')
def index():
    quizzes = get_all()
    return render_template('index.html', quizzes=quizzes, user=current_user())


@public_bp.route('/quiz/')
def quiz_list():
    quizzes = get_all()
    return render_template('quiz/list.html', quizzes=quizzes, user=current_user())


@public_bp.route('/quiz/<quiz_id>/')
def quiz_intro(quiz_id):
    quiz = get_by_id(quiz_id)
    if not quiz:
        abort(404)
    return render_template('quiz/intro.html', quiz=quiz, user=current_user())


@public_bp.route('/quiz/<quiz_id>/jouer', methods=['GET', 'POST'])
def quiz_play(quiz_id):
    quiz = get_by_id(quiz_id)
    if not quiz:
        abort(404)

    if quiz['members_only'] and not current_user():
        session['next_url'] = url_for('public.quiz_play', quiz_id=quiz_id)
        return redirect(url_for('auth.login'))

    if request.method == 'POST':
        answers = {}
        for i in range(len(quiz['questions'])):
            val = request.form.get(f'q{i}')
            answers[i] = int(val) if val is not None else -1

        score = sum(
            1 for i, q in enumerate(quiz['questions'])
            if answers.get(i) == q['answer']
        )
        total = len(quiz['questions'])

        if current_user():
            save_result(
                current_user()['sub'],
                current_user()['name'],
                quiz_id, score, total,
            )

        # Stocke résultat et détail en session pour la page résultat
        session['last_result'] = {
            'quiz_id': quiz_id,
            'score':   score,
            'total':   total,
            'answers': answers,
        }
        return redirect(url_for('public.quiz_result', quiz_id=quiz_id))

    return render_template('quiz/play.html',
                           quiz=quiz,
                           quiz_json=json.dumps(quiz),
                           user=current_user())


@public_bp.route('/quiz/<quiz_id>/resultat')
def quiz_result(quiz_id):
    quiz = get_by_id(quiz_id)
    result = session.pop('last_result', None)
    if not quiz or not result or result['quiz_id'] != quiz_id:
        return redirect(url_for('public.quiz_intro', quiz_id=quiz_id))

    return render_template('quiz/result.html',
                           quiz=quiz,
                           result=result,
                           user=current_user())