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

namespace Indotalent.Features.Payroll.Grade.Cqrs;

public class GetGradeListResponse
{
    public string? Id { get; set; }
    public string? Code { get; set; }
    public string? Name { get; set; }
    public decimal SalaryFrom { get; set; }
    public decimal SalaryTo { get; set; }
    public string? Description { get; set; }
    public bool IsOverTimeEligible { get; set; }
    public string? Status { get; set; }
    public DateTimeOffset? CreatedAt { get; set; }
}

public record GetGradeListQuery() : IRequest<List<GetGradeListResponse>>;

public class GetGradeListHandler : IRequestHandler<GetGradeListQuery, List<GetGradeListResponse>>
{
    private readonly AppDbContext _context;

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

    public async Task<List<GetGradeListResponse>> Handle(GetGradeListQuery request, CancellationToken cancellationToken)
    {
        return await _context.Grade
            .AsNoTracking()
            .OrderBy(x => x.Code)
            .Select(x => new GetGradeListResponse
            {
                Id = x.Id,
                Code = x.Code,
                Name = x.Name,
                SalaryFrom = x.SalaryFrom,
                SalaryTo = x.SalaryTo,
                Description = x.Description,
                IsOverTimeEligible = x.IsOverTimeEligible,
                Status = x.Status,
                CreatedAt = x.CreatedAt
            })
            .ToListAsync(cancellationToken);
    }
}