-- 客户 OpenAPI 机机凭证（一客户一对 AppKey/AppSecret，独立于 itfx）
-- 可重复执行。
-- 目标表：t_customer_openapi_credential

SET @db := DATABASE();

SET @exists := (
  SELECT COUNT(1)
  FROM information_schema.TABLES
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_customer_openapi_credential'
);

SET @sql := IF(
  @exists = 0,
  'CREATE TABLE `t_customer_openapi_credential` (
  `Id` INT NOT NULL AUTO_INCREMENT COMMENT ''主键'',
  `CustomerId` INT NOT NULL COMMENT ''归属主客户 t_customer.Id'',
  `AppKey` VARCHAR(64) NOT NULL COMMENT ''开放接口 AppKey'',
  `AppSecret` VARCHAR(128) NOT NULL COMMENT ''开放接口 AppSecret（明文，创建/重置时返回）'',
  `Enabled` TINYINT(1) NOT NULL DEFAULT 1 COMMENT ''是否启用：0-否，1-是'',
  `LastUsedAt` DATETIME NULL COMMENT ''最近鉴权成功时间'',
  `LastUsedIp` VARCHAR(64) NULL COMMENT ''最近鉴权成功 IP'',
  `Remark` VARCHAR(512) NULL COMMENT ''备注'',
  `IsDeleted` TINYINT NOT NULL DEFAULT 0 COMMENT ''软删除：0-否，1-是'',
  `ConcurrencyStamp` CHAR(36) NOT NULL DEFAULT (UUID()) COMMENT ''并发戳'',
  `CreateUserId` INT NOT NULL DEFAULT 0 COMMENT ''创建人'',
  `CreateTime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT ''创建时间'',
  `UpdateUserId` INT NULL COMMENT ''更新人'',
  `UpdateTime` DATETIME NULL COMMENT ''更新时间'',
  PRIMARY KEY (`Id`),
  UNIQUE KEY `uk_coc_customer` (`CustomerId`),
  UNIQUE KEY `uk_coc_app_key` (`AppKey`),
  KEY `idx_coc_enabled` (`Enabled`, `IsDeleted`)
) COMMENT=''客户 OpenAPI 机机凭证''',
  'SELECT ''t_customer_openapi_credential already exists'' AS info'
);

PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;