using AutobusApi.Domain.Common;

namespace AutobusApi.Domain.Entities;

public class VehicleEnrollment : EntityBase
{
    public DateTime DepartureDateTimeUtc { get; set; }

    public int VehicleId { get; set; }

    public Vehicle Vehicle { get; set; } = null!;

    public int RouteId { get; set; }

    public Route Route { get; set; } = null!;

    public ICollection<RouteAddressDetails> RouteAddressDetails { get; set; } = null!;

    public ICollection<VehicleEnrollmentEmployee> Crew { get; set; } = null!;

    public ICollection<Ticket> Tickets { get; set; } = null!;

    public ICollection<Review> Reviews { get; set; } = null!;

    public DateTime GetDepartureDateTimeUtc(int departureAddressId)
    {
        DateTime result = DepartureDateTimeUtc;

        var routeAddressesDetails = RouteAddressDetails
            .OrderBy(rad => rad.RouteAddress.Order)
            .Reverse()
            .SkipWhile(rad => rad.RouteAddress.AddressId != departureAddressId)
            .Reverse()
            .ToArray();

        // Ignore stop time on first address
        routeAddressesDetails.First().CurrentAddressStopTime = TimeSpan.Zero;
        // Ignore travel time to next address on last address
        routeAddressesDetails.Last().TimeToNextAddress = TimeSpan.Zero;

        foreach (var routeAddressDetails in routeAddressesDetails)
        {
            result += routeAddressDetails.CurrentAddressStopTime;
            result += routeAddressDetails.TimeToNextAddress;
        }

        return result;
    }

    public DateTime GetArrivalDateTimeUtc(int arrivalAddressId)
    {
        DateTime result = DepartureDateTimeUtc;

        var routeAddressesDetails = RouteAddressDetails
            .OrderBy(rad => rad.RouteAddress.Order)
            .TakeWhile(rad => rad.RouteAddress.AddressId != arrivalAddressId)
            .ToArray();

        // Ignore stop time on first station
        routeAddressesDetails.First().CurrentAddressStopTime = TimeSpan.Zero;

        foreach (var routeAddressDetails in routeAddressesDetails)
        {
            result += routeAddressDetails.CurrentAddressStopTime;
            result += routeAddressDetails.TimeToNextAddress;
        }

        return result;
    }

    public TimeSpan GetTravelTime(int departureAddressId, int arrivalAddressId)
    {
        return GetArrivalDateTimeUtc(arrivalAddressId) - GetDepartureDateTimeUtc(departureAddressId);
    }

    public double GetCost(int departureAddressId, int arrivalAddressId)
    {
        double result = 0.0;

        var routeAddressesDetails = RouteAddressDetails
            .OrderBy(rad => rad.RouteAddress.Order)
            .SkipWhile(rad => rad.RouteAddress.AddressId != departureAddressId)
            .TakeWhile(rad => rad.RouteAddress.AddressId != arrivalAddressId)
            .ToArray();

        foreach (var routeAddressDetails in routeAddressesDetails)
        {
            result += routeAddressDetails.CostToNextAddress;
        }

        return result;
    }
}