from flask import Flask, send_file, request
import requests
import os

app = Flask(__name__)

@app.route('/send', methods=['GET'])
def send():
    file_id = request.args.get('id')
    filename = request.args.get('filename')

    file_path = './uploads/' + file_id + '_' + filename
    
    return send_file(file_path, as_attachment=True, download_name = str(file_id)+'_'+filename)

@app.route('/request', methods=['GET'])
def request_file():
    data = request.json
    file_id = data['id']
    filename = data['filename']
    ip = data['ip']
    

    url = f"http://{ip}:8080/send"
    params = {
        'id': file_id,
        'filename': filename,
    }

    response = requests.get(url, params=params)
    file_path = './uploads/' + file_id + '_' + filename

    if response.status_code == 200:
        if os.path.exists(file_path):
            # If it does, generate a new filename
            i = 1
            beg, end = file_path.split('.')
            while os.path.exists(f'{beg}_{i}.{end}'):
                i += 1
            file_path = f'{beg}_{i}.{end}'
            print("File with name already exists")
        
        with open(file_path, 'wb') as f:
            f.write(response.content)
        print("File downloaded successfully")
        return f'File Downloaded to location to location {file_path}', 
    else:
        error = response.text
        print("Error:", error)
        return error, response.status_code


if __name__ == '__main__':
    app.run(debug=True, port=8080)