namespace Chessistics.Engine.Model;

public class CampaignState
{
    public CampaignDef CampaignDef { get; }
    public int CurrentMissionIndex { get; set; }
    public List<int> CompletedMissions { get; } = new();
    public HashSet<PieceKind> AvailablePieceKinds { get; } = new();
    public HashSet<PieceUpgrade> AvailableLevels { get; } = new();

    public CampaignState(CampaignDef campaignDef)
    {
        CampaignDef = campaignDef;
        CurrentMissionIndex = 0;
    }

    public MissionDef CurrentMission => CampaignDef.Missions[CurrentMissionIndex];
    public bool IsLastMission => CurrentMissionIndex >= CampaignDef.Missions.Count - 1;

    public bool IsPieceAvailable(PieceKind kind) => AvailablePieceKinds.Contains(kind);
    public bool IsLevelAvailable(PieceKind kind, int level) => AvailableLevels.Contains(new PieceUpgrade(kind, level));
}