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

namespace MU3.Sequence;

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

    [MonoModIgnore]
    private extern bool isPartyPlay();

    [MonoModIgnore]
    private extern void Enter_ShowBonusStart();

    private void Leave_LoadScene() {
        using IniFile iniFile = new("mu3.ini");
        _quickStart = iniFile.getValue("Sequence", "QuickStart", false);
    }

    private extern void orig_Execute_StartCutscene();
    private void Execute_StartCutscene() {
        orig_Execute_StartCutscene();
        Singleton<Mod.State>.instance.SkipEntry = false;
        if(_quickStart || 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) {
                    Enter_ShowBonusStart();
                    SingletonMonoBehaviour<SystemUI>.instance.destroySkipButton(true);
                    setNextState(EState.End);
                }
            }
        }
        return orig_updateState(deltaTime);
    }
}