CREATE TABLE IF NOT EXISTS `settings` (
    `setting_key` VARCHAR(50) PRIMARY KEY,
    `setting_value` TEXT NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

INSERT IGNORE INTO `settings` (`setting_key`, `setting_value`) VALUES ('google_drive_folder_id', '');

CREATE TABLE IF NOT EXISTS `meeting_minutes` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `meeting_date` DATE NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `details` TEXT,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `meeting_attachments` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `meeting_id` INT NOT NULL,
    `file_name` VARCHAR(255) NOT NULL,
    `gdrive_file_id` VARCHAR(255),
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (`meeting_id`) REFERENCES `meeting_minutes`(`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `competitions` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `title` VARCHAR(255) NOT NULL,
    `details` TEXT,
    `rank_result` VARCHAR(50),
    `year_th` INT NOT NULL,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `competition_authors` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `competition_id` INT NOT NULL,
    `author_name` VARCHAR(255) NOT NULL,
    FOREIGN KEY (`competition_id`) REFERENCES `competitions`(`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `competition_attachments` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `competition_id` INT NOT NULL,
    `file_name` VARCHAR(255) NOT NULL,
    `gdrive_file_id` VARCHAR(255),
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (`competition_id`) REFERENCES `competitions`(`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `activity_logs` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `action_type` VARCHAR(50) NOT NULL,
    `action_details` TEXT,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;