CREATE TABLE IF NOT EXISTS users (
  user_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  openid VARCHAR(64) NOT NULL,
  nickname VARCHAR(100) NOT NULL DEFAULT '',
  avatar VARCHAR(500) NOT NULL DEFAULT '',
  phone VARCHAR(32) NOT NULL DEFAULT '',
  gender TINYINT NOT NULL DEFAULT 0,
  status TINYINT NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (user_id),
  UNIQUE KEY uk_users_openid (openid)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS devices (
  device_id VARCHAR(32) NOT NULL,
  product_id VARCHAR(64) NOT NULL DEFAULT 'HOX_LIGHT_MASK',
  device_secret VARCHAR(128) NOT NULL DEFAULT '',
  device_name VARCHAR(100) NOT NULL DEFAULT '',
  firmware_version VARCHAR(32) NOT NULL DEFAULT '1.0.0',
  hardware_version VARCHAR(32) NOT NULL DEFAULT '',
  status TINYINT NOT NULL DEFAULT 1 COMMENT '1=inactive,2=online,3=offline,4=disabled',
  battery TINYINT UNSIGNED NULL,
  temperature TINYINT UNSIGNED NULL,
  last_online_at DATETIME NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (device_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS bindings (
  binding_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  device_id VARCHAR(32) NOT NULL,
  bind_token CHAR(16) NOT NULL DEFAULT '',
  bind_expires DATETIME NULL,
  bind_status TINYINT NOT NULL DEFAULT 1 COMMENT '1=active,2=inactive,3=pending',
  bind_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  unbind_time DATETIME NULL,
  PRIMARY KEY (binding_id),
  KEY idx_bindings_user_status (user_id, bind_status),
  KEY idx_bindings_device_status (device_id, bind_status),
  CONSTRAINT fk_bindings_user FOREIGN KEY (user_id) REFERENCES users (user_id),
  CONSTRAINT fk_bindings_device FOREIGN KEY (device_id) REFERENCES devices (device_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS subscriptions (
  subscription_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  plan VARCHAR(32) NOT NULL,
  status TINYINT NOT NULL DEFAULT 1 COMMENT '1=active,2=expired,3=cancelled',
  amount DECIMAL(10,2) NOT NULL DEFAULT 0,
  order_id VARCHAR(64) NOT NULL DEFAULT '',
  start_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  expire_time DATETIME NOT NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (subscription_id),
  KEY idx_subscriptions_user_status (user_id, status),
  CONSTRAINT fk_subscriptions_user FOREIGN KEY (user_id) REFERENCES users (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS treatment_records (
  record_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  session_id VARCHAR(64) NOT NULL,
  device_id VARCHAR(32) NOT NULL,
  user_id BIGINT UNSIGNED NOT NULL,
  start_time DATETIME NULL,
  end_time DATETIME NULL,
  regions VARCHAR(255) NOT NULL DEFAULT '',
  total_duration_ms INT UNSIGNED NOT NULL DEFAULT 0,
  mode TINYINT NOT NULL DEFAULT 0,
  avg_pd DECIMAL(8,4) NOT NULL DEFAULT 0,
  battery TINYINT UNSIGNED NULL,
  temperature TINYINT UNSIGNED NULL,
  wavelength TINYINT UNSIGNED NULL,
  brightness TINYINT UNSIGNED NULL,
  pd_json JSON NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (record_id),
  UNIQUE KEY uk_treatment_session (session_id),
  KEY idx_treatment_user_created (user_id, created_at),
  KEY idx_treatment_device_created (device_id, created_at),
  CONSTRAINT fk_treatment_user FOREIGN KEY (user_id) REFERENCES users (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS device_events (
  event_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  device_id VARCHAR(32) NOT NULL,
  user_id BIGINT UNSIGNED NULL,
  event_type VARCHAR(64) NOT NULL,
  error_code INT NULL,
  temperature TINYINT UNSIGNED NULL,
  payload_json JSON NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (event_id),
  KEY idx_device_events_device_created (device_id, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS device_commands (
  command_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  device_id VARCHAR(32) NOT NULL,
  admin_id BIGINT UNSIGNED NULL,
  opcode TINYINT UNSIGNED NOT NULL,
  payload_json JSON NULL,
  status TINYINT NOT NULL DEFAULT 1 COMMENT '1=pending,2=pulled,3=done,4=failed,5=cancelled',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  pulled_at DATETIME NULL,
  finished_at DATETIME NULL,
  result_json JSON NULL,
  PRIMARY KEY (command_id),
  KEY idx_device_commands_device_status (device_id, status, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS operation_logs (
  log_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NULL,
  admin_id BIGINT UNSIGNED NULL,
  action VARCHAR(64) NOT NULL,
  detail VARCHAR(1000) NOT NULL DEFAULT '',
  ip VARCHAR(64) NOT NULL DEFAULT '',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (log_id),
  KEY idx_operation_logs_created (created_at),
  KEY idx_operation_logs_action (action)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS admin_accounts (
  admin_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  username VARCHAR(64) NOT NULL,
  password_hash VARCHAR(100) NOT NULL,
  password_salt VARCHAR(32) NOT NULL DEFAULT '',
  real_name VARCHAR(100) NOT NULL DEFAULT '',
  role VARCHAR(32) NOT NULL DEFAULT 'admin',
  status TINYINT NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (admin_id),
  UNIQUE KEY uk_admin_username (username)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS system_settings (
  setting_key VARCHAR(64) NOT NULL,
  setting_value JSON NOT NULL,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (setting_key)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS firmware_files (
  firmware_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  version VARCHAR(32) NOT NULL,
  device_type VARCHAR(32) NOT NULL DEFAULT '',
  cos_key VARCHAR(500) NOT NULL,
  size_bytes INT UNSIGNED NOT NULL DEFAULT 0,
  sha256 CHAR(64) NOT NULL DEFAULT '',
  status TINYINT NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (firmware_id),
  KEY idx_firmware_version (version, status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

INSERT IGNORE INTO system_settings (setting_key, setting_value) VALUES
('system_name', '"光子美容仪后台"'),
('monthly_price', '99'),
('yearly_price', '899'),
('trial_days', '7'),
('enable_register', 'true'),
('enable_binding', 'true'),
('enable_free_mode', 'true'),
('maintenance_mode', 'false');
