from flask import Flask, request, redirect, url_for, render_template, flash
from werkzeug.utils import secure_filename
import os

app = Flask(__name__, instance_relative_config=True)
app.config['UPLOAD_FOLDER'] = os.path.join(app.instance_path, 'uploads')
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # Limitar el tamaño del archivo a 16 MB
app.config['SECRET_KEY'] = 'supersecretkey'

# Asegúrate de que la carpeta de uploads existe
os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)

@app.route('/')
def index():
    return render_template('upload.html')

@app.route('/upload', methods=['POST'])
def upload_file():
    if 'photo' not in request.files:
        flash('No file part')
        return redirect(request.url)
    
    file = request.files['photo']
    
    if file.filename == '':
        flash('No selected file')
        return redirect(request.url)
    
    if file:
        filename = secure_filename(file.filename)
        file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
        flash('File successfully uploaded')
        return redirect(url_for('index'))

if __name__ == '__main__':
    app.run(debug=True)