using Admin.NET.Plugin.AiDOP.Manufacturing.Dto;

namespace Admin.NET.Plugin.AiDOP.Manufacturing;

/// <summary>
/// S6 生产指令单 只读消费服务（Phase 1A）。
///
/// 数据源：数据中台标准层 mdp_std_work_order_schedule（S2/Production 从工单主表贴源
/// → mdp_stg_schedule → 标准化而来；specification 由 S2 转换层从物料主数据 enrich）。
///
/// 只读铁律：本服务只 SELECT mdp_std_*，绝不直连源库业务表（工单主表 / 物料主表 / MES 工单表），绝不回退源库、绝不写库。
///
/// 租户隔离（P0）：租户只来自认证后 JWT（AidopTenantScope.ResolveOrThrow），忽略前端传入的任何 tenantId；
/// COUNT / PAGE / DETAIL 三处 SQL 都显式带 tenant_id = @TenantId（mdp_std 实体非 ITenantIdFilter，不依赖框架自动过滤）。
/// 工厂隔离：当前 S6 体系只可靠解析租户、无稳定工厂作用域 → FACTORY_SCOPE = PARTIAL（tenant-only，不硬编码 factory_id）。
/// </summary>
[ApiDescriptionSettings(Order = 305, Description = "生产指令单")]
[Route("api/S6ProductionInstruction")]
[NonUnify]
public class S6ProductionInstructionService : IDynamicApiController, ITransient
{
    private readonly ISqlSugarClient _db;
    private readonly UserManager _userManager;

    public S6ProductionInstructionService(ISqlSugarClient db, UserManager userManager)
    {
        _db = db;
        _userManager = userManager;
    }

    /// <summary>严格可信租户解析，见 <see cref="Infrastructure.AidopTenantScope.ResolveOrThrow"/>。</summary>
    private long ResolveTenantOrThrow() => Infrastructure.AidopTenantScope.ResolveOrThrow(_userManager);

    private const string SelectColumns = """
        m.id                AS Id,
        m.work_order        AS WorkOrderNo,
        m.lot_serial        AS LotSerial,
        m.item_code         AS ItemCode,
        m.item_name         AS ItemName,
        m.specification     AS Specification,
        m.drawing_no        AS DrawingNo,
        m.project           AS Project,
        m.qty_ordered       AS OrderQty,
        m.qty_completed     AS CompletedQty,
        m.order_date        AS OrderDate,
        m.due_date          AS DueDate,
        m.status            AS Status,
        m.work_order_type   AS WorkOrderType
        """;

    /// <summary>
    /// 生产指令单列表（只读真分页）。
    /// </summary>
    [DisplayName("生产指令单列表")]
    [HttpGet("page")]
    public async Task<object> GetPage([FromQuery] S6ProductionInstructionInput input)
    {
        var page = input.Page <= 0 ? 1 : input.Page;
        var pageSize = input.PageSize <= 0 ? 10 : input.PageSize;
        var offset = (page - 1) * pageSize;

        var where = new List<string> { "1=1" };
        var pars = new List<SugarParameter>();

        // 强制租户过滤：mdp_std_work_order_schedule 非 ITenantIdFilter，隔离全靠显式 SQL 谓词。
        var tid = ResolveTenantOrThrow();
        where.Add("m.tenant_id = @TenantId");
        pars.Add(new SugarParameter("@TenantId", tid));

        if (!string.IsNullOrWhiteSpace(input.WorkOrderNo))
        {
            where.Add("m.work_order LIKE @WorkOrderNo");
            pars.Add(new SugarParameter("@WorkOrderNo", $"%{input.WorkOrderNo.Trim()}%"));
        }
        if (!string.IsNullOrWhiteSpace(input.LotSerial))
        {
            where.Add("m.lot_serial LIKE @LotSerial");
            pars.Add(new SugarParameter("@LotSerial", $"%{input.LotSerial.Trim()}%"));
        }
        if (!string.IsNullOrWhiteSpace(input.ItemCode))
        {
            where.Add("m.item_code LIKE @ItemCode");
            pars.Add(new SugarParameter("@ItemCode", $"%{input.ItemCode.Trim()}%"));
        }
        if (!string.IsNullOrWhiteSpace(input.Specification))
        {
            where.Add("m.specification LIKE @Specification");
            pars.Add(new SugarParameter("@Specification", $"%{input.Specification.Trim()}%"));
        }
        if (!string.IsNullOrWhiteSpace(input.Status))
        {
            where.Add("m.status = @Status");
            pars.Add(new SugarParameter("@Status", input.Status.Trim()));
        }
        if (!string.IsNullOrWhiteSpace(input.OrderDateStart))
        {
            where.Add("m.order_date >= @OrderDateStart");
            pars.Add(new SugarParameter("@OrderDateStart", input.OrderDateStart.Trim()));
        }
        if (!string.IsNullOrWhiteSpace(input.OrderDateEnd))
        {
            // 含止日当天：order_date < 止日 + 1 天
            where.Add("m.order_date < DATE_ADD(@OrderDateEnd, INTERVAL 1 DAY)");
            pars.Add(new SugarParameter("@OrderDateEnd", input.OrderDateEnd.Trim()));
        }

        var whereSql = string.Join(" AND ", where);

        var total = await _db.Ado.GetIntAsync(
            $"SELECT COUNT(1) FROM mdp_std_work_order_schedule m WHERE {whereSql}", pars);

        var list = total == 0
            ? new List<S6ProductionInstructionRow>()
            : await _db.Ado.SqlQueryAsync<S6ProductionInstructionRow>(
                $"""
                SELECT
                {SelectColumns}
                FROM mdp_std_work_order_schedule m
                WHERE {whereSql}
                ORDER BY m.order_date DESC, m.work_order DESC
                LIMIT {pageSize} OFFSET {offset}
                """,
                pars);

        return new { total, page, pageSize, list };
    }

    /// <summary>
    /// 生产指令单详情（只读，按工单编号）。查不到 / 跨租户 → 返回 null（不泄漏“无权限”信息）。
    /// </summary>
    [DisplayName("生产指令单详情")]
    [HttpGet("detail")]
    public async Task<S6ProductionInstructionRow?> GetDetail([FromQuery] string workOrderNo)
    {
        if (string.IsNullOrWhiteSpace(workOrderNo)) return null;

        var tid = ResolveTenantOrThrow();
        var pars = new List<SugarParameter>
        {
            new("@TenantId", tid),
            new("@WorkOrderNo", workOrderNo.Trim())
        };

        return await _db.Ado.SqlQuerySingleAsync<S6ProductionInstructionRow>(
            $"""
            SELECT
            {SelectColumns}
            FROM mdp_std_work_order_schedule m
            WHERE m.tenant_id = @TenantId AND m.work_order = @WorkOrderNo
            LIMIT 1
            """,
            pars);
    }
}