SET NAMES utf8mb4;

-- 宠物档案。代喂任务、送养帖、配种信息都挂在这张表上，所以免疫与绝育状态
-- 放在档案里而不是各自的业务表里——同一只宠物的这些事实只应有一份。
CREATE TABLE IF NOT EXISTS pets (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  owner_user_id BIGINT UNSIGNED NOT NULL,
  name VARCHAR(30) NOT NULL,
  species VARCHAR(20) NOT NULL COMMENT 'cat / dog / other',
  breed VARCHAR(50) NOT NULL DEFAULT '',
  gender TINYINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '0 未知 1 公 2 母',
  birthday DATE NULL,
  neutered TINYINT(1) NOT NULL DEFAULT 0,
  weight_g INT UNSIGNED NOT NULL DEFAULT 0,
  chip_no VARCHAR(40) NOT NULL DEFAULT '',
  vaccinated_at DATE NULL COMMENT '最近一次免疫日期',
  dewormed_at DATE NULL COMMENT '最近一次驱虫日期',
  temperament VARCHAR(200) NOT NULL DEFAULT '',
  avatar_url VARCHAR(500) NOT NULL DEFAULT '',
  status TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '0 已删除 1 正常',
  moderation_status TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '0 待审核 1 通过 2 驳回',
  moderation_note VARCHAR(255) NOT NULL DEFAULT '',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
  deleted_at DATETIME(3) NULL,
  PRIMARY KEY (id),
  KEY idx_pets_owner (owner_user_id, status, id),
  KEY idx_pets_moderation (moderation_status, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS pet_media (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  pet_id BIGINT UNSIGNED NOT NULL,
  media_url VARCHAR(500) NOT NULL,
  sort_order INT UNSIGNED NOT NULL DEFAULT 0,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  PRIMARY KEY (id),
  KEY idx_pet_media_pet (pet_id, sort_order, id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

INSERT INTO system_configs(config_key,config_value,value_type,description) VALUES
  ('pet.enabled','true','boolean','宠物板块总开关，关闭后客户端不显示宠物入口'),
  ('pet.max_per_user','10','integer','单个账号可建立的宠物档案数量上限'),
  ('pet.max_photos','9','integer','单只宠物的照片数量上限')
ON DUPLICATE KEY UPDATE description=VALUES(description);