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

namespace Indotalent.Features.Utilities.Todo.Cqrs;

public class UpdateTodoItemRequest
{
    public string? Id { get; set; }
    public string? Name { get; set; }
    public string? Description { get; set; }
    public DateTime? StartTime { get; set; }
    public DateTime? EndTime { get; set; }
    public bool IsCompleted { get; set; }
}

public class UpdateTodoItemResponse
{
    public string? Id { get; set; }
    public bool Success { get; set; }
}

public record UpdateTodoItemCommand(UpdateTodoItemRequest Data) : IRequest<UpdateTodoItemResponse>;

public class UpdateTodoItemHandler : IRequestHandler<UpdateTodoItemCommand, UpdateTodoItemResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<UpdateTodoItemResponse> Handle(UpdateTodoItemCommand request, CancellationToken cancellationToken)
    {
        var entity = await _context.TodoItem
            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);

        if (entity == null)
        {
            return new UpdateTodoItemResponse { Id = request.Data.Id, Success = false };
        }

        entity.Name = request.Data.Name;
        entity.Description = request.Data.Description;
        entity.StartTime = request.Data.StartTime;
        entity.EndTime = request.Data.EndTime;
        entity.IsCompleted = request.Data.IsCompleted;

        await _context.SaveChangesAsync(cancellationToken);

        return new UpdateTodoItemResponse
        {
            Id = entity.Id,
            Success = true
        };
    }
}