using MonoMod;
using MU3.Battle;
using MU3.Data;
using MU3.Game;
using MU3.Util;

namespace MU3.Sequence;

class patch_PlayMusic: PlayMusic {
    private GameEngine _gameEngine;
    private SessionInfo _sessionInfo;
    private bool _nuclearSkip = false;

    [MonoModIgnore]
    private extern bool isPartyPlay();

    private extern void orig_Execute_StartCutscene();
    private void Execute_StartCutscene() {
        orig_Execute_StartCutscene();
        Singleton<Mod.State>.instance.SkipEntry = false;
        if(Singleton<Sys.System>.instance.config.isQuickStart || Singleton<UIInput>.instance.getTriggerOn(UIInput.Key.MenuLeft)) {
            Singleton<Mod.State>.instance.SkipEntry = true;
            _gameEngine.skipStartCutscene();
            if(isPartyPlay()) {
                setNextState(EState.PartyWaitReady);
            } else {
                setNextState(EState.Countdown);
            }
        }
    }

    public extern bool orig_updateState(float deltaTime);
    public override bool updateState(float deltaTime = -1f) {
        var state = getCurrentState();
        if(state >= EState.PlayEnd && Singleton<UIInput>.instance.getTriggerOn(UIInput.Key.MenuLeft)) {
            if(!isPartyPlay() || state > EState.CalcResult) {
                _nuclearSkip = true;
            }
        }
        if(_nuclearSkip) {
            bool isTutorial = SingletonMonoBehaviour<GameEngine>.instance.sessionInfo.isTutorial;
            if(!isTutorial) {
                Singleton<Mod.State>.instance.SkipItemFrame = true;
                if(state < EState.CalcResult) {
                    setNextState(EState.CalcResult);
                }
                if(state > EState.CalcResult) {
                    int selectorID = SingletonStateMachine<DataManager, DataManager.EState>.instance.getMemoryChapterData(_sessionInfo.chapterSelection.memoryChapterId)?.getMemoryChapterSelectorID() ?? 4;
                    Singleton<GameSound>.instance.gameBGM.playBGM(236, selectorID);
                    setNextState(EState.End);
                }
            }
        }
        return orig_updateState(deltaTime);
    }
}