from flask import Blueprint, render_template, request, redirect, url_for, current_app, send_from_directory, flash
from werkzeug.utils import secure_filename
from flask_login import login_user, logout_user, login_required, current_user

import os

from .models import db, Recipe, Ingredient, Instruction

bp = Blueprint("paginas", __name__)

@bp.route('/')
def index():

    return render_template('index.html')

@bp.route('/recetas')
def recetas():
    recetas = Recipe.query.all()
    return render_template('recetas.html', recetas=recetas)

@bp.route('/404')
def cuatrocerocuatro():
    return render_template('404.html')

@bp.route('/help')
def help():
    return render_template('help.html')

@bp.route('/account')
@login_required
def account():
    return render_template('account.html')

@bp.route('/receta/<int:receta_id>')
def receta(receta_id):
    receta = Recipe.query.get_or_404(receta_id)
    return render_template('recetas.html', receta=receta)

@bp.route('/anade_receta', methods=['GET', 'POST'])
@login_required
def anade_receta():
    if request.method == 'POST':
        title = request.form['title']
        description = request.form['description']
        ingredients = request.form.getlist('ingredient')
        quantities = request.form.getlist('quantity')
        step_descriptions = request.form.getlist('step_description')

        receta = receta(title=title, description=description, author=current_user)

        for i, (ingredient, quantity) in enumerate(zip(ingredients, quantities), start=1):
            Recipe.ingredients.append(Ingredient(name=ingredient, quantity=quantity, order=i))

        for i, description in enumerate(step_descriptions, start=1):
            Recipe.instructions.append(Instruction(step=i, description=description, order=i))

        db.session.add(Recipe)
        db.session.commit()
        flash('receta created successfully!', 'success')

        
        return redirect(url_for('paginas.index'))

    return render_template('nueva_receta.html')

@bp.route('/uploads/<filename>')
def uploaded_file(filename):
    return send_from_directory(current_app.config['UPLOAD_FOLDER'], filename)

@bp.route('/buscareceta')
def buscareceta():
    query = request.args.get('query', '')
    if query:
        songs = Recipe.query.filter(Recipe.title.contains(query)).all()
    else:
        songs = []
    return render_template('buscareceta.html', query=query, songs=songs)