-- 商户级内容审核开关。
-- 可重复执行；新商户默认关闭，现有 default 商户保持当前审核行为。

SET @im_sql = IF(
  (SELECT COUNT(*) FROM information_schema.COLUMNS
   WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'im_tenant_config'
     AND COLUMN_NAME = 'aliyun_moderation_enabled') = 0,
  'ALTER TABLE `im_tenant_config` ADD COLUMN `aliyun_moderation_enabled` TINYINT(1) NOT NULL DEFAULT 0 COMMENT ''是否启用阿里云内容审核'' AFTER `max_group_members`',
  'SELECT 1'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_sql = IF(
  (SELECT COUNT(*) FROM information_schema.COLUMNS
   WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'im_tenant_config'
     AND COLUMN_NAME = 'local_moderation_enabled') = 0,
  'ALTER TABLE `im_tenant_config` ADD COLUMN `local_moderation_enabled` TINYINT(1) NOT NULL DEFAULT 0 COMMENT ''是否启用本地内容审核'' AFTER `aliyun_moderation_enabled`',
  'SELECT 1'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

UPDATE `im_tenant_config` c
JOIN `im_tenant` t ON t.`id` = c.`tenant_id`
SET c.`aliyun_moderation_enabled` = 1,
    c.`local_moderation_enabled` = 1
WHERE t.`code` = 'default';