from flask import Flask, render_template, request, jsonify, send_from_directory
import json
import os

app = Flask(__name__)
DATA_FILE = 'data/attendance_data.json'

# Default player names
DEFAULT_PLAYERS = [
    "Alice", "Bob", "Charlie", "David", "Eve", "Frank", "Grace", "Hannah"
]
DEFAULT_GUEST = "Guest"

def load_data():
    if not os.path.exists(DATA_FILE):
        data = {
            "players": DEFAULT_PLAYERS,
            "guest": DEFAULT_GUEST,
            "dates": [],
            "attendance": {}
        }
        with open(DATA_FILE, 'w') as f:
            json.dump(data, f)
    with open(DATA_FILE, 'r') as f:
        return json.load(f)

def save_data(data):
    with open(DATA_FILE, 'w') as f:
        json.dump(data, f, indent=2)

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

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

@app.route('/api/data', methods=['GET'])
def get_data():
    return jsonify(load_data())

@app.route('/api/data', methods=['POST'])
def update_data():
    data = request.json
    save_data(data)
    return jsonify({"status": "success"})

@app.route('/export-data')
def export_data():
    return send_from_directory(directory='data', path='attendance_data.json', as_attachment=True)

if __name__ == '__main__':
    import os
    port = int(os.environ.get('PORT', 5000))
    app.run(host='0.0.0.0', port=port, debug=False)