-- Tabla para almacenar archivos multimedia subidos
CREATE TABLE IF NOT EXISTS media_files (
    id INT AUTO_INCREMENT PRIMARY KEY,
    filename VARCHAR(255) NOT NULL,
    unique_name VARCHAR(255) NOT NULL UNIQUE,
    file_type VARCHAR(100) NOT NULL,
    file_size INT NOT NULL,
    media_type ENUM('image', 'video', 'audio', 'document') NOT NULL,
    file_path TEXT NOT NULL,
    public_url TEXT NOT NULL,
    uploaded_by INT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_media_type (media_type),
    INDEX idx_uploaded_by (uploaded_by),
    INDEX idx_created (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;