SET NAMES utf8mb4;

CREATE TABLE IF NOT EXISTS users (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  public_id VARCHAR(20) NOT NULL,
  country_code VARCHAR(8) NOT NULL DEFAULT '+86',
  phone_hash BINARY(32) NULL,
  phone_cipher VARBINARY(255) NULL,
  password_hash VARCHAR(255) NOT NULL,
  status TINYINT UNSIGNED NOT NULL DEFAULT 1,
  risk_level TINYINT UNSIGNED NOT NULL DEFAULT 0,
  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),
  UNIQUE KEY uk_users_public_id (public_id),
  UNIQUE KEY uk_users_phone_hash (phone_hash),
  KEY idx_users_status_created (status, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS user_profiles (
  user_id BIGINT UNSIGNED NOT NULL,
  nickname VARCHAR(50) NOT NULL,
  avatar_url VARCHAR(500) NOT NULL DEFAULT '',
  cover_url VARCHAR(500) NOT NULL DEFAULT '',
  gender TINYINT UNSIGNED NOT NULL DEFAULT 0,
  birthday DATE NULL,
  height_cm SMALLINT UNSIGNED NULL,
  city_code VARCHAR(20) NOT NULL DEFAULT '',
  city_name VARCHAR(50) NOT NULL DEFAULT '',
  occupation VARCHAR(100) NOT NULL DEFAULT '',
  education TINYINT UNSIGNED NOT NULL DEFAULT 0,
  relationship_status TINYINT UNSIGNED NOT NULL DEFAULT 0,
  bio VARCHAR(500) NOT NULL DEFAULT '',
  profile_score SMALLINT UNSIGNED NOT NULL DEFAULT 0,
  is_vip TINYINT UNSIGNED NOT NULL DEFAULT 0,
  vip_level TINYINT UNSIGNED NOT NULL DEFAULT 0,
  last_active_at DATETIME(3) NULL,
  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),
  PRIMARY KEY (user_id),
  KEY idx_profiles_city_active (city_code, last_active_at),
  CONSTRAINT fk_profiles_user FOREIGN KEY (user_id) REFERENCES users(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS user_privacy_settings (
  user_id BIGINT UNSIGNED NOT NULL,
  nearby_visible TINYINT(1) NOT NULL DEFAULT 1,
  distance_visible TINYINT(1) NOT NULL DEFAULT 1,
  online_visible TINYINT(1) NOT NULL DEFAULT 1,
  last_active_visible TINYINT(1) NOT NULL DEFAULT 1,
  allow_stranger_message TINYINT(1) NOT NULL DEFAULT 1,
  allow_profile_visit_record TINYINT(1) NOT NULL DEFAULT 1,
  allow_search TINYINT(1) NOT NULL DEFAULT 1,
  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),
  PRIMARY KEY (user_id),
  CONSTRAINT fk_privacy_user FOREIGN KEY (user_id) REFERENCES users(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS user_devices (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  device_id VARCHAR(100) NOT NULL,
  platform VARCHAR(20) NOT NULL,
  device_model VARCHAR(100) NOT NULL DEFAULT '',
  os_version VARCHAR(50) NOT NULL DEFAULT '',
  app_version VARCHAR(30) NOT NULL DEFAULT '',
  push_provider VARCHAR(30) NOT NULL DEFAULT '',
  push_token VARCHAR(255) NOT NULL DEFAULT '',
  last_ip VARCHAR(45) NOT NULL DEFAULT '',
  last_active_at DATETIME(3) NULL,
  status TINYINT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  PRIMARY KEY (id),
  UNIQUE KEY uk_device_user_device (user_id, device_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS user_sessions (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  device_id VARCHAR(100) NOT NULL,
  refresh_token_hash BINARY(32) NOT NULL,
  expires_at DATETIME(3) NOT NULL,
  last_active_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  revoked_at DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  PRIMARY KEY (id),
  KEY idx_sessions_user (user_id, revoked_at),
  UNIQUE KEY uk_sessions_refresh (refresh_token_hash)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS tags (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  category VARCHAR(30) NOT NULL,
  name VARCHAR(50) NOT NULL,
  icon VARCHAR(100) NOT NULL DEFAULT '',
  status TINYINT UNSIGNED NOT NULL DEFAULT 1,
  sort_order INT NOT NULL DEFAULT 0,
  PRIMARY KEY (id),
  UNIQUE KEY uk_tags_category_name (category, name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS user_tags (
  user_id BIGINT UNSIGNED NOT NULL,
  tag_id BIGINT UNSIGNED NOT NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  PRIMARY KEY (user_id, tag_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS admin_users (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  username VARCHAR(50) NOT NULL,
  password_hash VARCHAR(255) NOT NULL,
  real_name VARCHAR(50) NOT NULL DEFAULT '',
  avatar_url VARCHAR(500) NOT NULL DEFAULT '',
  status TINYINT UNSIGNED NOT NULL DEFAULT 1,
  last_login_at DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  PRIMARY KEY (id),
  UNIQUE KEY uk_admin_username (username)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;