-- blade_hcs_attachment_sync 建表（HCS 附件转传映射，照金蝶附件同步表 blade_kingdee_attachment_sync 设计：
-- biz_type+biz_id+attachment_key 唯一，C103-2 转传前查命中即复用合规附件ID，仅落成功记录）
SET @ddl_sql = (
    SELECT IF(COUNT(*) = 0,
              'CREATE TABLE `blade_hcs_attachment_sync` (
            `id` bigint NOT NULL COMMENT ''主键'',
            `tenant_id` varchar(12) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''租户ID'',
            `biz_type` varchar(32) COLLATE utf8mb4_general_ci NOT NULL COMMENT ''业务单据类型（contract/payment/invoice-application/invoice-receipt）'',
            `biz_id` bigint NOT NULL COMMENT ''业务单据id'',
            `attachment_key` varchar(768) COLLATE utf8mb4_general_ci NOT NULL COMMENT ''附件幂等键（url|link|fileUrl|downloadUrl|uid|originalName|name 依次取首个非空）'',
            `attachment_name` varchar(255) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''附件名称（展示/排查用）'',
            `fd_id` varchar(64) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''合规附件ID（C103-2 返回 fdId）'',
            `sync_time` datetime DEFAULT NULL COMMENT ''最近转传时间'',
            `create_user` bigint DEFAULT NULL COMMENT ''创建人'',
            `create_dept` bigint DEFAULT NULL COMMENT ''创建部门'',
            `create_time` datetime DEFAULT NULL COMMENT ''创建时间'',
            `update_user` bigint DEFAULT NULL COMMENT ''修改人'',
            `update_time` datetime DEFAULT NULL COMMENT ''修改时间'',
            `status` int DEFAULT NULL COMMENT ''业务状态'',
            `is_deleted` int DEFAULT 0 COMMENT ''是否已删除'',
            PRIMARY KEY (`id`),
            UNIQUE KEY `uk_biz_attachment` (`biz_type`,`biz_id`,`attachment_key`(256)),
            KEY `idx_biz_type_biz_id` (`biz_type`,`biz_id`)
          ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT=''HCS附件转传映射表（C103-2）''',
              'SELECT 1')
    FROM information_schema.TABLES
    WHERE TABLE_SCHEMA = DATABASE()
      AND TABLE_NAME = 'blade_hcs_attachment_sync'
);
PREPARE ddl_stmt FROM @ddl_sql;
EXECUTE ddl_stmt;
DEALLOCATE PREPARE ddl_stmt;