CREATE DATABASE IF NOT EXISTS check_list CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

USE check_list;

CREATE TABLE IF NOT EXISTS templates (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  code VARCHAR(100) NOT NULL,
  name VARCHAR(200) NOT NULL,
  description TEXT NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_templates_code (code)
);

CREATE TABLE IF NOT EXISTS template_versions (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  template_id BIGINT UNSIGNED NOT NULL,
  version_number INT NOT NULL,
  status ENUM('draft', 'active', 'retired') NOT NULL DEFAULT 'draft',
  definition_json JSON NOT NULL,
  published_at DATETIME NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_template_version (template_id, version_number),
  KEY idx_template_versions_template_status (template_id, status),
  CONSTRAINT fk_template_versions_template
    FOREIGN KEY (template_id) REFERENCES templates (id)
    ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS lookup_sets (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  code VARCHAR(100) NOT NULL,
  name VARCHAR(200) NOT NULL,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_lookup_sets_code (code)
);

CREATE TABLE IF NOT EXISTS lookup_values (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  lookup_set_id BIGINT UNSIGNED NOT NULL,
  value VARCHAR(100) NOT NULL,
  label VARCHAR(200) NOT NULL,
  sort_order INT NOT NULL DEFAULT 0,
  is_default TINYINT(1) NOT NULL DEFAULT 0,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  PRIMARY KEY (id),
  UNIQUE KEY uq_lookup_value (lookup_set_id, value),
  KEY idx_lookup_values_lookup_set (lookup_set_id),
  CONSTRAINT fk_lookup_values_lookup_set
    FOREIGN KEY (lookup_set_id) REFERENCES lookup_sets (id)
    ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS image_rules (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  code VARCHAR(100) NOT NULL,
  name VARCHAR(200) NOT NULL,
  allowed_mime_types_json JSON NOT NULL,
  max_file_size_bytes INT UNSIGNED NOT NULL,
  max_width_px INT UNSIGNED NOT NULL,
  max_height_px INT UNSIGNED NOT NULL,
  jpeg_quality INT UNSIGNED NOT NULL,
  oversize_behavior ENUM('auto_optimize', 'warn_then_optimize', 'block') NOT NULL DEFAULT 'auto_optimize',
  max_attachments_per_field INT UNSIGNED NOT NULL DEFAULT 5,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_image_rules_code (code)
);

CREATE TABLE IF NOT EXISTS export_profiles (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  code VARCHAR(100) NOT NULL,
  name VARCHAR(200) NOT NULL,
  zip_image_dir VARCHAR(100) NOT NULL DEFAULT 'images',
  excel_sheet_name VARCHAR(100) NOT NULL DEFAULT 'Checklist',
  include_template_version TINYINT(1) NOT NULL DEFAULT 1,
  include_export_timestamp TINYINT(1) NOT NULL DEFAULT 1,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_export_profiles_code (code)
);

CREATE TABLE IF NOT EXISTS app_config (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  config_key VARCHAR(100) NOT NULL,
  config_value_json JSON NOT NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uq_app_config_key (config_key)
);