#!/usr/bin/env python3
"""
Flask server voor IJsbreker spel
Serveert statische bestanden en biedt API endpoints voor config management
"""

from flask import Flask, send_from_directory, request, jsonify
from flask_cors import CORS
import json
import os

app = Flask(__name__)
CORS(app)  # Enable CORS voor alle routes

CONFIG_FILE = 'config.json'
SETS_FILE = 'sets.json'

# Serve static files
@app.route('/')
def serve_index():
    return send_from_directory('.', 'index.html')

@app.route('/<path:path>')
def serve_static(path):
    if os.path.exists(path):
        return send_from_directory('.', path)
    return "File not found", 404

# API endpoint om config te laden
@app.route('/api/config', methods=['GET'])
def get_config():
    try:
        with open(CONFIG_FILE, 'r', encoding='utf-8') as f:
            config = json.load(f)
        return jsonify(config)
    except Exception as e:
        return jsonify({'error': str(e)}), 500

# API endpoint om config op te slaan
@app.route('/api/save-config', methods=['POST'])
def save_config():
    try:
        data = request.json

        # Validatie: check of stellingen array bestaat
        if 'stellingen' not in data:
            return jsonify({'error': 'Geen stellingen gevonden'}), 400

        # Filter lege stellingen eruit
        data['stellingen'] = [
            s for s in data['stellingen']
            if s.get('links', '').strip() or s.get('rechts', '').strip()
        ]

        # Schrijf naar config.json met mooie formatting
        with open(CONFIG_FILE, 'w', encoding='utf-8') as f:
            json.dump(data, f, indent=2, ensure_ascii=False)

        return jsonify({'success': True, 'message': 'Config opgeslagen!'})
    except Exception as e:
        return jsonify({'error': str(e)}), 500

# API endpoint om alle sets te laden
@app.route('/api/sets', methods=['GET'])
def get_sets():
    try:
        # Als sets.json niet bestaat, maak initieel bestand aan
        if not os.path.exists(SETS_FILE):
            initialize_sets_file()

        with open(SETS_FILE, 'r', encoding='utf-8') as f:
            sets_data = json.load(f)
        return jsonify(sets_data)
    except Exception as e:
        return jsonify({'error': str(e)}), 500

# API endpoint om sets op te slaan
@app.route('/api/sets', methods=['POST'])
def save_sets():
    try:
        data = request.json

        # Validatie: check of sets array bestaat
        if 'sets' not in data:
            return jsonify({'error': 'Geen sets gevonden'}), 400

        # Schrijf naar sets.json met mooie formatting
        with open(SETS_FILE, 'w', encoding='utf-8') as f:
            json.dump(data, f, indent=2, ensure_ascii=False)

        # Update config.json met actieve set als die gezet is
        if 'activeSetId' in data and data['activeSetId']:
            active_set = next((s for s in data['sets'] if s['id'] == data['activeSetId']), None)
            if active_set and 'config' in active_set:
                update_active_config(active_set['config'])

        return jsonify({'success': True, 'message': 'Sets opgeslagen!'})
    except Exception as e:
        return jsonify({'error': str(e)}), 500

# Helper: Update config.json met set configuratie
def update_active_config(set_config):
    with open(CONFIG_FILE, 'w', encoding='utf-8') as f:
        json.dump(set_config, f, indent=2, ensure_ascii=False)

# Helper: Initialiseer sets.json met huidige config als default set
def initialize_sets_file():
    try:
        # Lees huidige config.json
        with open(CONFIG_FILE, 'r', encoding='utf-8') as f:
            current_config = json.load(f)

        # Maak initiële sets structuur
        initial_sets = {
            'sets': [
                {
                    'id': 'default',
                    'name': 'Standaard Set',
                    'config': current_config
                }
            ],
            'activeSetId': 'default'
        }

        # Schrijf naar sets.json
        with open(SETS_FILE, 'w', encoding='utf-8') as f:
            json.dump(initial_sets, f, indent=2, ensure_ascii=False)

        print("✅ sets.json aangemaakt met default set")
    except Exception as e:
        print(f"⚠️  Fout bij initialiseren sets.json: {e}")

if __name__ == '__main__':
    print("🎯 IJsbreker Server gestart!")
    print("📝 Editor: http://localhost:8000/editor.html")
    print("🎮 Spel: http://localhost:8000/")
    print("\nDruk Ctrl+C om te stoppen")
    app.run(debug=True, host='0.0.0.0', port=8000)