CREATE TABLE IF NOT EXISTS channel_events (
    id INT AUTO_INCREMENT PRIMARY KEY,
    channel_id INT NOT NULL,
    user_id INT NOT NULL,
    title VARCHAR(255) NOT NULL,
    description TEXT,
    banner_url VARCHAR(255) DEFAULT NULL,
    banner_color VARCHAR(20) DEFAULT NULL,
    start_date DATE NOT NULL,
    start_time TIME NOT NULL,
    end_date DATE NOT NULL,
    end_time TIME NOT NULL,
    frequency VARCHAR(50) DEFAULT NULL, -- Comma separated days like "1,3,5" (Mon, Wed, Fri)
    is_permanent TINYINT(1) DEFAULT 0,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (channel_id) REFERENCES channels(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;