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

import os

from .models import db, Song, Album

bp = Blueprint("paginas", __name__)

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

    return render_template('index.html')

@bp.route('/letras')
def letras():
    songs = Song.query.all()
    return render_template('letras.html', songs=songs)

@bp.route('/albumes')
def albumes():
    albums = Album.query.all()
    return render_template('albumes.html', albums=albums)

@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('/song/<int:song_id>')
def song(song_id):
    song = Song.query.get_or_404(song_id)
    album = Album.query.get_or_404(song.album_id)

    return render_template('song.html', song=song, album=album)

@bp.route('/add_song', methods=['GET', 'POST'])
@login_required
def add_song():
    if request.method == 'POST':
        title = request.form['title']
        author = request.form['author']
        album_id = request.form['album_id']
        lyrics = request.form['lyrics']
        pista = request.form['pista']

        
        new_song = Song(title=title, author=author, album_id=album_id, lyrics=lyrics, pista=pista)
        db.session.add(new_song)
        db.session.commit()
        
        return redirect(url_for('paginas.album', album_id=album_id))
    
    albums = Album.query.all()
    return render_template('add_song.html', albums=albums)

@bp.route('/add_song2album/<int:album_id>', methods=['GET', 'POST'])
@login_required
def add_song2album(album_id):
    if request.method == 'POST':
        title = request.form['title']
#        author = request.form['author']
#        album_id = request.form['album_id']
        lyrics = request.form['lyrics']
        pista = request.form['pista']

        album = Album.query.filter_by(id=album_id).first() # obtiene el album cuyo id hemos recibido
        author = album.artist

        new_song = Song(title=title, author=author, album_id=album_id, lyrics=lyrics, pista=pista)
        db.session.add(new_song)
        db.session.commit()
        
        return redirect(url_for('paginas.album', album_id=album_id))
    
    albums = Album.query.all()
    return render_template('add_song2album.html', album_id=album_id)

@bp.route('/add_album', methods=['GET', 'POST'])
@login_required
def add_album():
    if request.method == 'POST':

        name = request.form['name']
        artist = request.form['artist']
        year = request.form['year']
        
        # Verificar que el campo 'cover_image' está en request.files
        if 'coverimage' not in request.files:
            return "No file part in the request", 400
        
        cover_image = request.files['coverimage']

        # Verificar que se ha seleccionado un archivo

        if cover_image.filename == '':
            return "No selected file", 400
        
        if cover_image:
            image_filename = secure_filename(cover_image.filename)
            cover_image.save(os.path.join(current_app.config['UPLOAD_FOLDER'], image_filename))
        else:
            image_filename = None

        new_album = Album(name=name, artist=artist, year=year, cover_image=image_filename)
        db.session.add(new_album)
        db.session.commit()
        
        return redirect(url_for('paginas.index'))
    
    return render_template('add_album.html')

@bp.route('/album/<int:album_id>')
def album(album_id):
    album = Album.query.get_or_404(album_id)
    songs = Song.query.filter_by(album_id=album_id).all()
    return render_template('album.html', album=album, songs=songs)

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

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


@bp.route('/searchalbum')
def searchalbum():
    query = request.args.get('query', '')
    if query:
        albumes = Album.query.filter(Album.name.contains(query)).all()
    else:
        albumes = []
    return render_template('searchalbum.html', query=query, albumes=albumes)