using F9WebAiTest.Application.Dtos.SYS.Reports;
using F9WebAiTest.Application.Interfaces.Repositories.SYS.Employees;
using MediatR;

namespace F9WebAiTest.Application.CQRS.SYS.Reports.Queries;

/// <summary>职工花名册报表数据查询（示例，对应 DsName = RepDt_Sys_Users）</summary>
public record GetEmployeeDirectoryRepQuery(long DepId, string Like) : IRequest<ReportDto_DataSource>;

public class GetEmployeeDirectoryRepQueryHandler : IRequestHandler<GetEmployeeDirectoryRepQuery, ReportDto_DataSource>
{
    private readonly IEmployeeReadRepository _readRepository;

    public GetEmployeeDirectoryRepQueryHandler(IEmployeeReadRepository readRepository)
    {
        _readRepository = readRepository;
    }

    public async Task<ReportDto_DataSource> Handle(GetEmployeeDirectoryRepQuery query, CancellationToken cancellationToken)
    {
        var dto = new ReportDto_DataSource
        {
            Report_Data = new Dictionary<string, ReportDataDto_Data>()
        };

        // 1. 通过仓储查询职工数据（部门含子部门）
        var page = await _readRepository.GetPagedAsync(query.DepId, 0, null, null,
            string.IsNullOrWhiteSpace(query.Like) ? "" : query.Like, 1, 1000);

        // 2. 部门名称（查询条件展示用）
        var depName = query.DepId > 0 ? await _readRepository.GetDepNameAsync(query.DepId) : "";

        // 3. 明细数据：属性名须与 .grf 模板 DetailGrid.Recordset.Field 一致
        var rows = new List<object>();
        foreach (var e in page.Items)
        {
            rows.Add(new
            {
                EmployeeCode = e.Code ?? "",
                EmployeeName = e.Name ?? "",
                Gender = e.Gender ?? "",
                DepName = e.DepName ?? "",
                WorktypeName = e.WorktypeName ?? "",
                Phone = e.Phone ?? "",
                RuzhiDate = e.RuzhiDate?.ToString("yyyy-MM-dd") ?? ""
            });
        }

        // 4. 报表参数（模板以 StaticBox 的 Parameter 属性引用）
        var mainData = new ReportDataDto_Data { Field_Data = rows };
        mainData.Parameter_Data = new
        {
            部门 = string.IsNullOrWhiteSpace(depName) ? "（全部）" : depName,
            关键字 = string.IsNullOrWhiteSpace(query.Like) ? "（全部）" : query.Like,
            记录数 = page.Total,
            查询时间 = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")
        };

        dto.Report_Data.Add("main", mainData);
        return dto;
    }
}