-- Orders table for Spot trading
CREATE TABLE IF NOT EXISTS spot_orders (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    symbol VARCHAR(20) NOT NULL,
    side ENUM('buy', 'sell') NOT NULL,
    type ENUM('limit', 'market') DEFAULT 'limit',
    price DECIMAL(30, 10),
    amount DECIMAL(30, 10) NOT NULL,
    filled_amount DECIMAL(30, 10) DEFAULT 0,
    status ENUM('open', 'filled', 'cancelled', 'partially_filled') DEFAULT 'open',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id)
);

-- Positions table for Perpetual Contracts
CREATE TABLE IF NOT EXISTS contract_positions (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    symbol VARCHAR(20) NOT NULL,
    side ENUM('long', 'short') NOT NULL,
    leverage INT DEFAULT 1,
    entry_price DECIMAL(30, 10) NOT NULL,
    size DECIMAL(30, 10) NOT NULL,
    margin DECIMAL(30, 10) NOT NULL,
    liquidation_price DECIMAL(30, 10),
    unrealized_pnl DECIMAL(30, 10) DEFAULT 0,
    status ENUM('active', 'closed', 'liquidated') DEFAULT 'active',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    closed_at TIMESTAMP NULL,
    FOREIGN KEY (user_id) REFERENCES users(id)
);

-- Carousel for Landing Page
CREATE TABLE IF NOT EXISTS carousel (
    id INT AUTO_INCREMENT PRIMARY KEY,
    image_url VARCHAR(255) NOT NULL,
    title VARCHAR(100),
    description TEXT,
    link_url VARCHAR(255),
    sort_order INT DEFAULT 0,
    is_active TINYINT(1) DEFAULT 1
);

-- Languages Table
CREATE TABLE IF NOT EXISTS languages (
    id INT AUTO_INCREMENT PRIMARY KEY,
    code VARCHAR(10) UNIQUE NOT NULL, -- e.g., 'en', 'zh', 'ja', 'ko', 'ru', 'fr', 'es', 'de'
    name VARCHAR(50) NOT NULL,
    is_default TINYINT(1) DEFAULT 0
);

-- Translations Table
CREATE TABLE IF NOT EXISTS translations (
    id INT AUTO_INCREMENT PRIMARY KEY,
    lang_code VARCHAR(10) NOT NULL,
    trans_key VARCHAR(255) NOT NULL,
    trans_value TEXT NOT NULL,
    UNIQUE KEY (lang_code, trans_key)
);

-- Update system config for BITCrypto
UPDATE system_config SET config_value = 'BITCrypto' WHERE config_key = 'site_name';

-- Insert Languages
INSERT IGNORE INTO languages (code, name, is_default) VALUES 
('en', 'English', 1),
('zh', '简体中文', 0),
('ja', '日本語', 0),
('ko', '한국어', 0),
('ru', 'Русский', 0),
('fr', 'Français', 0),
('es', 'Español', 0),
('de', 'Deutsch', 0);

-- Insert Carousel Data (Using placeholder images for now)
INSERT IGNORE INTO carousel (image_url, title, description, sort_order) VALUES 
('https://images.pexels.com/photos/844124/pexels-photo-844124.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1', 'Global Leading Exchange', 'Trade BTC, ETH and 500+ assets with BITCrypto.', 1),
('https://images.pexels.com/photos/6770610/pexels-photo-6770610.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1', 'Perpetual Contracts', 'Up to 125x leverage on major pairs.', 2),
('https://images.pexels.com/photos/6771574/pexels-photo-6771574.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1', 'Secure & Reliable', 'Bank-level security for your digital assets.', 3),
('https://images.pexels.com/photos/5980860/pexels-photo-5980860.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1', '24/7 Support', 'Our team is here to help you anytime.', 4),
('https://images.pexels.com/photos/7567443/pexels-photo-7567443.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1', 'Low Trading Fees', 'Enjoy the most competitive fees in the industry.', 5);

-- Add more coins
INSERT IGNORE INTO cryptocurrencies (symbol, name, icon_url, current_price, change_24h) VALUES 
('BNB', 'BNB', 'https://cryptologos.cc/logos/bnb-bnb-logo.png', 312.45, 1.2),
('XRP', 'XRP', 'https://cryptologos.cc/logos/xrp-xrp-logo.png', 0.52, -0.5),
('ADA', 'Cardano', 'https://cryptologos.cc/logos/cardano-ada-logo.png', 0.48, 2.3),
('AVAX', 'Avalanche', 'https://cryptologos.cc/logos/avalanche-avax-logo.png', 35.60, 4.1),
('DOT', 'Polkadot', 'https://cryptologos.cc/logos/polkadot-new-dot-logo.png', 7.20, -1.8),
('MATIC', 'Polygon', 'https://cryptologos.cc/logos/polygon-matic-logo.png', 0.85, 0.9),
('LINK', 'Chainlink', 'https://cryptologos.cc/logos/chainlink-link-logo.png', 18.30, 3.5),
('DOGE', 'Dogecoin', 'https://cryptologos.cc/logos/dogecoin-doge-logo.png', 0.08, -2.1);