CREATE TABLE IF NOT EXISTS system_config (
    id INT AUTO_INCREMENT PRIMARY KEY,
    config_key VARCHAR(100) UNIQUE NOT NULL,
    config_value TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS cryptocurrencies (
    id INT AUTO_INCREMENT PRIMARY KEY,
    symbol VARCHAR(20) UNIQUE NOT NULL,
    name VARCHAR(100) NOT NULL,
    icon_url VARCHAR(255),
    current_price DECIMAL(30, 10) DEFAULT 0,
    change_24h DECIMAL(10, 4) DEFAULT 0,
    high_24h DECIMAL(30, 10) DEFAULT 0,
    low_24h DECIMAL(30, 10) DEFAULT 0,
    volume_24h DECIMAL(30, 10) DEFAULT 0,
    is_active TINYINT(1) DEFAULT 1,
    sort_order INT DEFAULT 0,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS price_controls (
    id INT AUTO_INCREMENT PRIMARY KEY,
    symbol VARCHAR(20) NOT NULL,
    target_price DECIMAL(30, 10),
    type ENUM('spike', 'target', 'win_loss') DEFAULT 'target',
    duration INT DEFAULT 0, -- in seconds
    is_active TINYINT(1) DEFAULT 0,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(100) UNIQUE NOT NULL,
    email VARCHAR(255) UNIQUE NOT NULL,
    password_hash VARCHAR(255) NOT NULL,
    balance_usdt DECIMAL(30, 10) DEFAULT 0,
    win_loss_control ENUM('random', 'always_win', 'always_loss') DEFAULT 'random',
    is_admin TINYINT(1) DEFAULT 0,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Insert some default data
INSERT IGNORE INTO system_config (config_key, config_value) VALUES 
('site_name', 'OKX Clone'),
('theme_color', '#0b0e11'),
('announcement', 'Welcome to our professional trading platform!');

INSERT IGNORE INTO cryptocurrencies (symbol, name, icon_url, current_price, change_24h, high_24h, low_24h, volume_24h) VALUES 
('BTC', 'Bitcoin', 'https://cryptologos.cc/logos/bitcoin-btc-logo.png', 45231.50, 2.45, 46120.00, 44800.00, 1250000000),
('ETH', 'Ethereum', 'https://cryptologos.cc/logos/ethereum-eth-logo.png', 2450.20, -1.20, 2510.00, 2400.00, 850000000),
('SOL', 'Solana', 'https://cryptologos.cc/logos/solana-sol-logo.png', 98.45, 5.60, 102.00, 92.00, 450000000);