using Indotalent.Infrastructure.Database;
using MediatR;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Features.Payroll.Payrolls.Cqrs;

public class GetPayrollProcessListRequest
{
}

public class GetPayrollProcessListResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
    public string? PeriodName { get; set; }
    public DateTime FromDate { get; set; }
    public DateTime ToDate { get; set; }
    public int TotalEmployees { get; set; }
    public decimal TotalBasicSalary { get; set; }
    public decimal TotalIncome { get; set; }
    public decimal TotalDeduction { get; set; }
    public decimal TotalGross { get; set; }
    public decimal TotalTakeHomePay { get; set; }
    public string? Status { get; set; }
    public string? ProcessedBy { get; set; }
    public DateTime ProcessedAt { get; set; }
    public string? Description { get; set; }
}

public record GetPayrollProcessListQuery(GetPayrollProcessListRequest Data) : IRequest<List<GetPayrollProcessListResponse>>;

public class GetPayrollProcessListHandler : IRequestHandler<GetPayrollProcessListQuery, List<GetPayrollProcessListResponse>>
{
    private readonly AppDbContext _context;

    public GetPayrollProcessListHandler(AppDbContext context) => _context = context;

    public async Task<List<GetPayrollProcessListResponse>> Handle(GetPayrollProcessListQuery request, CancellationToken cancellationToken)
    {
        var data = await _context.PayrollProcess
            .OrderByDescending(x => x.FromDate)
            .Select(x => new GetPayrollProcessListResponse
            {
                Id = x.Id,
                AutoNumber = x.AutoNumber,
                PeriodName = x.PeriodName,
                FromDate = x.FromDate,
                ToDate = x.ToDate,
                TotalEmployees = x.TotalEmployees,
                TotalBasicSalary = x.TotalBasicSalary,
                TotalIncome = x.TotalIncome,
                TotalDeduction = x.TotalDeduction,
                TotalGross = x.TotalGross,
                TotalTakeHomePay = x.TotalTakeHomePay,
                Status = x.Status,
                ProcessedBy = x.ProcessedBy,
                ProcessedAt = x.ProcessedAt,
                Description = x.Description
            })
            .ToListAsync(cancellationToken);

        return data;
    }
}