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

namespace Indotalent.Features.Organization.Employee.Cqrs;

public class LookupEmployeeResponse
{
    public List<LookupItem> EmployeeGroups { get; set; } = new();
    public List<LookupItem> EmployeeCategories { get; set; } = new();
}

public class LookupItem
{
    public string? Id { get; set; }
    public string? Name { get; set; }
}

public record LookupEmployeeQuery() : IRequest<LookupEmployeeResponse>;

public class LookupEmployeeHandler : IRequestHandler<LookupEmployeeQuery, LookupEmployeeResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<LookupEmployeeResponse> Handle(LookupEmployeeQuery request, CancellationToken cancellationToken)
    {
        var result = new LookupEmployeeResponse();

        result.EmployeeGroups = await _context.EmployeeGroup
            .AsNoTracking()
            .OrderBy(x => x.Name)
            .Select(x => new LookupItem { Id = x.Id, Name = x.Name })
            .ToListAsync(cancellationToken);

        result.EmployeeCategories = await _context.EmployeeCategory
            .AsNoTracking()
            .OrderBy(x => x.Name)
            .Select(x => new LookupItem { Id = x.Id, Name = x.Name })
            .ToListAsync(cancellationToken);

        return result;
    }
}