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

namespace Indotalent.Features.Performance.Evaluation.Cqrs;

public class GetEvaluationByIdResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
    public string? EmployeeId { get; set; }
    public string? EmployeeCode { get; set; }
    public string? EmployeeName { get; set; }
    public string? Period { get; set; }
    public string? FinalScore { get; set; }
    public string? Rating { get; set; }
    public string? EvaluatorId { get; set; }
    public string? EvaluatorCode { get; set; }
    public string? EvaluatorName { get; set; }
    public DateTime EvaluationDate { get; set; }
    public string? EvaluationNote { get; set; }
    public string? Status { get; set; }
    public DateTimeOffset? CreatedAt { get; set; }
    public string? CreatedBy { get; set; }
    public DateTimeOffset? UpdatedAt { get; set; }
    public string? UpdatedBy { get; set; }
}

public record GetEvaluationByIdQuery(string Id) : IRequest<GetEvaluationByIdResponse?>;

public class GetEvaluationByIdHandler : IRequestHandler<GetEvaluationByIdQuery, GetEvaluationByIdResponse?>
{
    private readonly AppDbContext _context;

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

    public async Task<GetEvaluationByIdResponse?> Handle(GetEvaluationByIdQuery request, CancellationToken cancellationToken)
    {
        return await _context.Evaluation
            .AsNoTracking()
            .Include(x => x.Employee)
            .Include(x => x.Evaluator)
            .Where(x => x.Id == request.Id)
            .Select(x => new GetEvaluationByIdResponse
            {
                Id = x.Id,
                AutoNumber = x.AutoNumber,
                EmployeeId = x.EmployeeId,
                EmployeeCode = x.Employee != null ? x.Employee.Code : string.Empty,
                EmployeeName = x.Employee != null ? $"{x.Employee.FirstName} {x.Employee.LastName}" : string.Empty,
                Period = x.Period,
                FinalScore = x.FinalScore,
                Rating = x.Rating,
                EvaluatorId = x.EvaluatorId,
                EvaluatorCode = x.Evaluator != null ? x.Evaluator.Code : string.Empty,
                EvaluatorName = x.Evaluator != null ? $"{x.Evaluator.FirstName} {x.Evaluator.LastName}" : string.Empty,
                EvaluationDate = x.EvaluationDate,
                EvaluationNote = x.EvaluationNote,
                Status = x.Status,
                CreatedAt = x.CreatedAt,
                CreatedBy = x.CreatedBy,
                UpdatedAt = x.UpdatedAt,
                UpdatedBy = x.UpdatedBy
            })
            .FirstOrDefaultAsync(cancellationToken);
    }
}