# signup_app.py
from flask import Flask, request, jsonify
import os
import json

app = Flask(__name__)

DB_DIR = './data'
DB_FILE = f'{DB_DIR}/db.json'

# ensure directory exists
os.makedirs(DB_DIR, exist_ok=True)

# DB 초기화 함수
def init_db():
    if not os.path.exists(DB_FILE):
        with open(DB_FILE, 'w') as f:
            json.dump([], f)
    else:
        try:
            with open(DB_FILE, 'r') as f:
                data = json.load(f)
            if not isinstance(data, list):
                raise ValueError
        except:
            with open(DB_FILE, 'w') as f:
                json.dump([], f)
    
@app.route('/signup', methods=['POST'])
def signup():
    data = request.get_json()
    if not data or 'name' not in data:
        return jsonify({'error': 'Missing name or email'}), 400

    with open(DB_FILE, 'r') as f:
        users = json.load(f)

    users.append({'name': data['name'], 'email': data.get('email', '')})
    
    with open(DB_FILE, 'w') as f:
        # json.dump(users, f)
        json.dump(users, f, ensure_ascii=False, indent=2)

    return jsonify({'status': 'ok'})

# DB 초기화
init_db()

if __name__ == '__main__':
    # init_db()  # 서버 시작할 때 DB 초기화
    # app.run(host='127.0.0.1', port=5000)
    app.run(host='0.0.0.0', port=5000)