namespace Chessistics.Engine.Model;

public class DemandState
{
    public DemandDef Definition { get; }
    public int ReceivedCount { get; set; }
    public int MissionIndex { get; }

    // Recurring demand tracking (only used when Definition.ConsumptionPerTurn > 0)
    public int Buffer { get; set; }
    public int SustainedTurns { get; set; }
    public bool InShortage { get; set; }

    public DemandState(DemandDef definition, int missionIndex = 0)
    {
        Definition = definition;
        MissionIndex = missionIndex;
        ReceivedCount = 0;
    }

    public bool IsRecurring => Definition.ConsumptionPerTurn > 0;

    public bool IsSatisfied => IsRecurring
        ? SustainedTurns >= Definition.SustainTurns
        : ReceivedCount >= Definition.Amount;

    public Coords Position => Definition.Position;
    public string Name => Definition.Name;
    public CargoType Cargo => Definition.Cargo;
    public int Required => Definition.Amount;
    public int Deadline => Definition.Deadline;

    public DemandState Clone()
    {
        return new DemandState(Definition, MissionIndex)
        {
            ReceivedCount = ReceivedCount,
            Buffer = Buffer,
            SustainedTurns = SustainedTurns,
            InShortage = InShortage
        };
    }
}