using Microsoft.AspNetCore.Http.HttpResults;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Vegasco.Server.Api.Persistence;

namespace Vegasco.Server.Api.Consumptions;

public static class GetConsumptions
{
	public class ApiResponse
	{
		public IEnumerable<ResponseDto> Consumptions { get; set; } = [];
	}

	public record ResponseDto(
		Guid Id,
		DateTimeOffset DateTime,
		double Distance,
		double Amount,
		bool IgnoreInCalculation,
		Guid CarId);

	public class Request
	{
		[FromQuery(Name = "page")] public int? Page { get; set; }
		[FromQuery(Name = "pageSize")] public int? PageSize { get; set; }
	}

	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
	{
		return builder
			.MapGet("consumptions", Endpoint)
			.WithDescription("Returns all consumption entries")
			.WithTags("Consumptions");
	}

	private static async Task<Ok<ApiResponse>> Endpoint(
		[AsParameters] Request request,
		ApplicationDbContext dbContext,
		CancellationToken cancellationToken)
	{
		List<ResponseDto> consumptions = await dbContext.Consumptions
			.Select(x =>
				new ResponseDto(x.Id.Value, x.DateTime, x.Distance, x.Amount, x.IgnoreInCalculation, x.CarId.Value))
			.ToListAsync(cancellationToken);

		var apiResponse = new ApiResponse
		{
			Consumptions = consumptions
		};
		return TypedResults.Ok(apiResponse);
	}
}