from flask import Flask, render_template, jsonify, request
import json
import random

app = Flask(__name__)

# Load coins from JSON file
def load_coins():
    with open('coins.json', 'r') as f:
        return json.load(f)

# Save coins to JSON file
def save_coins(coins):
    with open('coins.json', 'w') as f:
        json.dump(coins, f)

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

@app.route('/api/coins')
def get_coins():
    return jsonify(load_coins())

@app.route('/api/flip', methods=['POST'])
def flip_coin():
    data = request.json
    coin_id = data['coinId']
    coins = load_coins()
    coin = next((c for c in coins if c['id'] == coin_id), None)
    
    if coin and random.random() < coin['winrate']:
        return jsonify({'result': 'heads', 'value': coin['value']})
    else:
        return jsonify({'result': 'tails', 'value': 0})

@app.route('/api/mint', methods=['POST'])
def mint_coin():
    coins = load_coins()
    new_id = max(coin['id'] for coin in coins) + 1
    
    # Algorithm to balance cost, price, and value
    winrate = random.uniform(0.1, 0.9)
    value = random.uniform(0.1, 2.0)
    price = int(max(1, (winrate * value * 100) ** 1.5))
    
    new_coin = {
        'id': new_id,
        'color': f'#{random.randint(0, 0xFFFFFF):06x}',
        'price': price,
        'value': round(value, 2),
        'winrate': round(winrate, 2)
    }
    
    coins.append(new_coin)
    save_coins(coins)
    return jsonify(new_coin)

@app.route('/api/leaderboard', methods=['GET', 'POST'])
def leaderboard():
    leaderboard_file = 'leaderboard.json'
    
    if request.method == 'POST':
        data = request.json
        initials = data['initials']
        score = data['score']
        
        try:
            with open(leaderboard_file, 'r') as f:
                leaderboard = json.load(f)
        except FileNotFoundError:
            leaderboard = []
        
        leaderboard.append({'initials': initials, 'score': score})
        leaderboard.sort(key=lambda x: x['score'], reverse=True)
        leaderboard = leaderboard[:10]  # Keep only top 10
        
        with open(leaderboard_file, 'w') as f:
            json.dump(leaderboard, f)
        
        return jsonify({'success': True})
    else:
        try:
            with open(leaderboard_file, 'r') as f:
                leaderboard = json.load(f)
        except FileNotFoundError:
            leaderboard = []
        
        return jsonify(leaderboard)

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=7860)