using Indotalent.ConfigBackEnd.Exceptions;
using Indotalent.ConfigBackEnd.Extensions;
using Indotalent.Infrastructure.Database;
using MediatR;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Features.Organization.Employee.Cqrs;

public class CreateEmployeeRequest
{
    public string? Name { get; set; }
    public string? Description { get; set; }
    public string? Street { get; set; }
    public string? City { get; set; }
    public string? State { get; set; }
    public string? ZipCode { get; set; }
    public string? Country { get; set; }
    public string? PhoneNumber { get; set; }
    public string? FaxNumber { get; set; }
    public string? EmailAddress { get; set; }
    public string? Website { get; set; }
    public string? WhatsApp { get; set; }
    public string? LinkedIn { get; set; }
    public string? Facebook { get; set; }
    public string? Instagram { get; set; }
    public string? TwitterX { get; set; }
    public string? TikTok { get; set; }
    public string? EmployeeGroupId { get; set; }
    public string? EmployeeCategoryId { get; set; }
    public string? JobTitle { get; set; }
    public decimal CommissionRate { get; set; }
    public string? EmployeeNumber { get; set; }
}

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

public record CreateEmployeeCommand(CreateEmployeeRequest Data) : IRequest<CreateEmployeeResponse>;

public class CreateEmployeeHandler : IRequestHandler<CreateEmployeeCommand, CreateEmployeeResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<CreateEmployeeResponse> Handle(CreateEmployeeCommand request, CancellationToken cancellationToken)
    {
        var isExists = await _context.Employee
            .AnyAsync(x => x.Name == request.Data.Name, cancellationToken);

        if (isExists)
        {
            throw new AlreadyExistsException("Employee", request.Data.Name ?? string.Empty);
        }

        var entityName = nameof(Data.Entities.Employee);

        var autoNo = await _context.GenerateAutoNumberAsync(
            entityName: entityName,
            prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/",
            ct: cancellationToken
        );

        var entity = new Data.Entities.Employee
        {
            AutoNumber = autoNo,
            Name = request.Data.Name,
            Description = request.Data.Description,
            Street = request.Data.Street,
            City = request.Data.City,
            State = request.Data.State,
            ZipCode = request.Data.ZipCode,
            Country = request.Data.Country,
            PhoneNumber = request.Data.PhoneNumber,
            FaxNumber = request.Data.FaxNumber,
            EmailAddress = request.Data.EmailAddress,
            Website = request.Data.Website,
            WhatsApp = request.Data.WhatsApp,
            LinkedIn = request.Data.LinkedIn,
            Facebook = request.Data.Facebook,
            Instagram = request.Data.Instagram,
            TwitterX = request.Data.TwitterX,
            TikTok = request.Data.TikTok,
            EmployeeGroupId = request.Data.EmployeeGroupId,
            EmployeeCategoryId = request.Data.EmployeeCategoryId,
            JobTitle = request.Data.JobTitle,
            CommissionRate = request.Data.CommissionRate,
            EmployeeNumber = request.Data.EmployeeNumber
        };

        _context.Employee.Add(entity);
        await _context.SaveChangesAsync(cancellationToken);

        return new CreateEmployeeResponse
        {
            Id = entity.Id,
            Name = entity.Name
        };
    }
}