using MU3.Data;
using MU3.Game;
using MU3.Util;
using System;

namespace MU3.Sequence;

class patch_Play: Play {
    private LocalSessionInfo _localSessionInfo;
    private extern void orig_Enter_Login();
    private void Enter_Login() {
        orig_Enter_Login();
        using IniFile iniFile = new("mu3.ini");
        var index = iniFile.getIntValue("Extra", "BGM", 6);
        if(index == 0) {
            var rnd = new Random();
            index = rnd.Next(1, 7);
        }
        if(index < 0 || index > 6) {
            index = 6;
        }
        Singleton<Mod.State>.instance.RecentBGM = index;
        Singleton<GameSound>.instance.gameBGM.playBGM(233, index);
    }

    private extern void orig_Enter_ChapterSelect();
    private void Enter_ChapterSelect() {
        var state = Singleton<Mod.State>.instance;
        state.WithholdPlay = true;
        orig_Enter_ChapterSelect();
        state.WithholdPlay = false;

        int selectorID = SingletonStateMachine<DataManager, DataManager.EState>.instance.getMemoryChapterData(
            _localSessionInfo.chapterSelection.memoryChapterId
        )?.getMemoryChapterSelectorID() ?? state.RecentBGM;
        Singleton<GameSound>.instance.gameBGM.playBGM(233, selectorID);
    }
}