/*
    清理范围：HSSE/InformationProject。
    说明：数据库已由用户提前备份，本脚本不重复备份；脚本在事务中删除菜单、权限、视图和专属业务表。
    保留：InformationProject_Notice、InformationProject_Picture、
          InformationProject_ProjectMap、InformationProject_ReceiveFileManager；
          HSSE/Law 现行法律法规库及其共享表 Law_LawRegulationSelectedItem。
*/
SET NOCOUNT ON;
SET XACT_ABORT ON;

BEGIN TRY
    BEGIN TRANSACTION;

    DECLARE @MenuIds TABLE (MenuId nvarchar(50) NOT NULL PRIMARY KEY);
    INSERT INTO @MenuIds (MenuId)
    VALUES
        -- 法律法规及标准规范辨识
        (N'A0D8A8F7-EF3A-4F81-B9C1-F9F2ECD63360'),
        (N'C85CCDFC-E721-4B9D-B73F-F83C7578EE9B'),
        (N'28B0235F-3DB5-4C15-A7E3-6F5DF52C8FDC'),
        -- 集团安全报表
        (N'C554E471-B740-4559-B543-E00F247289FD'),
        (N'6E7DC075-A7AF-4E42-8F8B-0174EFDD54A1'),
        (N'38E948BA-E043-4E89-9038-0CE1B508FA19'),
        (N'0CDFC1BE-0796-4817-ADB8-7A0B48655E00'),
        (N'0973EE1C-CD2A-4116-BD67-1ABAD71D6C7C'),
        (N'FB174DD6-CBAE-43AF-9356-B098A17B719D'),
        (N'FD572EFA-8E87-43D1-B514-25A39768106F');

    /* 菜单相关流程、按钮权限和角色权限先于菜单删除。 */
    DELETE FROM dbo.Sys_MenuFlowOperate
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds);

    DELETE FROM dbo.Sys_ButtonPower
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds)
       OR ButtonToMenuId IN (SELECT MenuId FROM @MenuIds);

    DELETE FROM dbo.Sys_RolePower
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds);

    DELETE FROM dbo.Sys_Menu
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds)
       OR Url LIKE N'HSSE/InformationProject/%';

    /* 视图先删除；选中项视图先于辨识视图，避免视图之间存在依赖。 */
    IF OBJECT_ID(N'dbo.View_InformationProject_ConstructionStandardSelectedItem', N'V') IS NOT NULL
        DROP VIEW dbo.View_InformationProject_ConstructionStandardSelectedItem;
    IF OBJECT_ID(N'dbo.View_InformationProject_ConstructionStandardIdentify', N'V') IS NOT NULL
        DROP VIEW dbo.View_InformationProject_ConstructionStandardIdentify;

    /* 明细表先删，再删除 InformationProject 专属主表。 */
    IF OBJECT_ID(N'dbo.InformationProject_AccidentCauseReportItem', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_AccidentCauseReportItem;
    IF OBJECT_ID(N'dbo.InformationProject_ConstructionStandardSelectedItem', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_ConstructionStandardSelectedItem;
    IF OBJECT_ID(N'dbo.InformationProject_DrillConductedQuarterlyReportItem', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_DrillConductedQuarterlyReportItem;
    IF OBJECT_ID(N'dbo.InformationProject_DrillPlanHalfYearReportItem', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_DrillPlanHalfYearReportItem;

    IF OBJECT_ID(N'dbo.InformationProject_AccidentCauseReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_AccidentCauseReport;
    IF OBJECT_ID(N'dbo.InformationProject_ConstructionStandardIdentify', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_ConstructionStandardIdentify;
    IF OBJECT_ID(N'dbo.InformationProject_DrillConductedQuarterlyReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_DrillConductedQuarterlyReport;
    IF OBJECT_ID(N'dbo.InformationProject_DrillPlanHalfYearReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_DrillPlanHalfYearReport;
    IF OBJECT_ID(N'dbo.InformationProject_EPSummaryReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_EPSummaryReport;
    IF OBJECT_ID(N'dbo.InformationProject_MillionsMonthlyReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_MillionsMonthlyReport;
    IF OBJECT_ID(N'dbo.InformationProject_SafetyQuarterlyReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_SafetyQuarterlyReport;
    IF OBJECT_ID(N'dbo.InformationProject_WorkSummaryReport', N'U') IS NOT NULL
        DROP TABLE dbo.InformationProject_WorkSummaryReport;

    /* Law_LawRegulationSelectedItem 同时服务现行法规库和旧项目辨识；只清除旧辨识关系数据。 */
    DELETE FROM dbo.Law_LawRegulationSelectedItem
    WHERE LawRegulationIdentifyId IS NOT NULL;

    IF EXISTS
    (
        SELECT 1
        FROM sys.foreign_keys
        WHERE name = N'FK_Law_LawRegulationSelectedItem_Law_LawRegulationIdentify'
    )
        ALTER TABLE dbo.Law_LawRegulationSelectedItem
        DROP CONSTRAINT FK_Law_LawRegulationSelectedItem_Law_LawRegulationIdentify;

    IF OBJECT_ID(N'dbo.Law_LawRegulationIdentify', N'U') IS NOT NULL
        DROP TABLE dbo.Law_LawRegulationIdentify;

    COMMIT TRANSACTION;

    /* 删除结果：以下对象均应为 0。 */
    SELECT v.ObjectName,
           CASE WHEN OBJECT_ID(N'dbo.' + v.ObjectName, v.ObjectType) IS NULL THEN 0 ELSE 1 END AS ExistsFlag
    FROM
    (
        VALUES
            (N'InformationProject_AccidentCauseReportItem', N'U'),
            (N'InformationProject_ConstructionStandardSelectedItem', N'U'),
            (N'InformationProject_DrillConductedQuarterlyReportItem', N'U'),
            (N'InformationProject_DrillPlanHalfYearReportItem', N'U'),
            (N'InformationProject_AccidentCauseReport', N'U'),
            (N'InformationProject_ConstructionStandardIdentify', N'U'),
            (N'InformationProject_DrillConductedQuarterlyReport', N'U'),
            (N'InformationProject_DrillPlanHalfYearReport', N'U'),
            (N'InformationProject_EPSummaryReport', N'U'),
            (N'InformationProject_MillionsMonthlyReport', N'U'),
            (N'InformationProject_SafetyQuarterlyReport', N'U'),
            (N'InformationProject_WorkSummaryReport', N'U'),
            (N'Law_LawRegulationIdentify', N'U'),
            (N'View_InformationProject_ConstructionStandardSelectedItem', N'V'),
            (N'View_InformationProject_ConstructionStandardIdentify', N'V')
    ) v(ObjectName, ObjectType);

    /* 保留结果：以下对象均应为 1。 */
    SELECT v.ObjectName,
           CASE WHEN OBJECT_ID(N'dbo.' + v.ObjectName, v.ObjectType) IS NULL THEN 0 ELSE 1 END AS ExistsFlag
    FROM
    (
        VALUES
            (N'InformationProject_Notice', N'U'),
            (N'InformationProject_Picture', N'U'),
            (N'InformationProject_ProjectMap', N'U'),
            (N'InformationProject_ReceiveFileManager', N'U'),
            (N'Law_HSSEStandardsList', N'U'),
            (N'Law_LawRegulationList', N'U'),
            (N'Law_LawRegulationSelectedItem', N'U'),
            (N'Law_ManageRule', N'U'),
            (N'Law_RulesRegulations', N'U')
    ) v(ObjectName, ObjectType);

    /* 菜单和权限残留均应为 0。 */
    SELECT N'Sys_Menu' AS ObjectName, COUNT_BIG(*) AS Records
    FROM dbo.Sys_Menu
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds)
       OR Url LIKE N'HSSE/InformationProject/%'
    UNION ALL
    SELECT N'Sys_MenuFlowOperate', COUNT_BIG(*)
    FROM dbo.Sys_MenuFlowOperate
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds)
    UNION ALL
    SELECT N'Sys_ButtonPower', COUNT_BIG(*)
    FROM dbo.Sys_ButtonPower
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds)
       OR ButtonToMenuId IN (SELECT MenuId FROM @MenuIds)
    UNION ALL
    SELECT N'Sys_RolePower', COUNT_BIG(*)
    FROM dbo.Sys_RolePower
    WHERE MenuId IN (SELECT MenuId FROM @MenuIds);
END TRY
BEGIN CATCH
    IF XACT_STATE() <> 0
        ROLLBACK TRANSACTION;
    THROW;
END CATCH;