using System.Collections;
using Ai;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using UnityEngine.SceneManagement;
using TMPro;

public class GameBoard : BaseBoard {

    public static GameBoard Instance { get; private set; }
    
    MainCharacter m_mainCharacter = null;
    GameStick m_gameStick = null;
    SimpleProgressBar m_mainCharHealthBar = null;

    Vector3 m_stickDefaultPos = new Vector3();
    Vector3 m_mouseDownPos = new Vector3();

    int m_mainCharCurrentLvl = 0;

    bool m_wasMouseDown = false;
    [SerializeField] bool m_needStartAddAbDialog = false;
    [SerializeField] private bool m_needStartAngelDialog;
    [SerializeField] private bool m_needStartDevilDialog;
    [SerializeField] private bool m_needStartFortuneDialog;
    [SerializeField] private bool m_needLaserSound = false;

    [SerializeField] GameObject m_topHudObj;
    [SerializeField] GameObject m_angelObj;
    [SerializeField] GameObject m_devilObj;
    [SerializeField] GameObject m_slotObj;

    Button m_buttonPause;
    AudioSource m_runSoundSource;

    TextMeshProUGUI m_lvlUpLabel;

    int m_hudBasePosY = -100000000;

    //-----------------------------------------------------------------------------------------
    public MainCharacter MainCharacter
    {
        get { return m_mainCharacter; }
    }

    //-----------------------------------------------------------------------------------------
    private void Awake()
    {
        Instance = this;
    }

    //-----------------------------------------------------------------------------------------
    void Start ()
    {
        SoundsManager.Instance.StopAllSounds();

        InitGameStick();
        InitMainCharacter();
        InitButtons();
        InitLaserSound();

        GlobalsVar.gBoard = this;
        GlobalsVar.gUser.SetUserMaxLevel(SceneManager.GetActiveScene().name);
        GlobalsVar.gCurrentRoomInRun++;

        MusicManager.Instance.FadeDownMusicVolume();

        m_lvlUpLabel = GameObject.Find("LevelUpText").GetComponent<TextMeshProUGUI>();
        m_lvlUpLabel.text = "LVL " + GlobalsVar.gPlayerLvlUpInRun.ToString();

        ApplaySafeAreaHudShift();
    }

    //-----------------------------------------------------------------------------------------
    private void InitLaserSound()
    {
        if (m_needLaserSound)
        {
            string soundName = "laser";
            int stageId = CommonFunctions.GetStageId();
            if (stageId == 3)
                soundName = "shark";

            SoundsManager.Instance.PlaySound(soundName, 0f, true);
        }
    }

    //-----------------------------------------------------------------------------------------
    void InitButtons()
    {
        GameObject pauseBtn = GameObject.Find("PauseButton");
        if (pauseBtn)
        {
            m_buttonPause = pauseBtn.GetComponent<Button>();
            m_buttonPause.onClick.AddListener(ButtonPress);
        }
    }

    //------------------------------------------------------------------
    override public void ApplaySafeAreaHudShift()
    {
        if (m_topHudObj)
        {
            Vector3 localPos = m_topHudObj.transform.localPosition;
            m_hudBasePosY = (int)localPos.y;

            m_topHudObj.transform.localPosition = new Vector3(localPos.x, m_hudBasePosY - GlobalsVar.gSafeAreaHudShift, localPos.z);
        }
    }

    //-----------------------------------------------------------------------------------------
    void ButtonPress()
    {
        SoundsManager.Instance.PlaySound("button_click");

        GameObject currentClickedObj = EventSystem.current.currentSelectedGameObject;
        if (currentClickedObj == m_buttonPause.gameObject)
        {
            StopRunSound();
            GameObject pauseDlg = StartDialog("InGamePauseDialog");
            pauseDlg.GetComponent<InGamePauseDialog>().Init();
        }
    }

    //-----------------------------------------------------------------------------------------
    void InitGameStick()
    {
        m_gameStick = GameObject.Find("stick").GetComponent<GameStick>();
        m_stickDefaultPos = m_gameStick.transform.position;
    }

    //-----------------------------------------------------------------------------------------
    public void InitMainCharacter(MainCharacter character = null)
    {
        //m_mainCharHealthBar = GameObject.Find("health_bar").GetComponent<SimpleProgressBar>();
        //m_mainCharHealthBar.Init();

        m_mainCharacter = character ? character : GameObject.Find("MainCharacter").GetComponent<MainCharacter>();
        m_mainCharacter.Init();
        m_mainCharacter.GameBoard = this;
    }

    //-----------------------------------------------------------------------------------------
    public override void Update ()
    {
        base.Update();

        UpdateNeedStartAddAbDialog();
        UpdateNeedStartAngelDialog();
        UpdateNeedStartDevilDialog();
        UpdateNeedStartFortuneDialog();
        UpdateGameStick();
	}

    //-----------------------------------------------------------------------------------------
    void UpdateNeedStartAddAbDialog()
    {
        if (!m_needStartAddAbDialog)
            return;

        GlobalsVar.gPlayerLvlUpInRun++;
        m_lvlUpLabel.text = "LVL " + GlobalsVar.gPlayerLvlUpInRun.ToString();

        m_needStartAddAbDialog = false;
        GameObject addAbDilogObj = StartDialog("AddInGameAbDialog");
        addAbDilogObj.GetComponent<AddInGameAbilityDialog>().Init();

        m_mainCharacter.SetState(CharacterState.DEFAULT);
    }
    
    //-----------------------------------------------------------------------------------------
    void UpdateNeedStartAngelDialog()
    {
        if (!m_needStartAngelDialog)
            return;

        if (!m_angelObj)
        {
            CommonFunctions.myassert(false);
            return;
        }

        float dist = (m_angelObj.transform.position - m_mainCharacter.transform.position).magnitude;
        if (dist > 2f)
            return;

        StopRunSound();
        m_needStartAngelDialog = false;
        StartDialog("AngelDialog");
    }
    
    //-----------------------------------------------------------------------------------------
    void UpdateNeedStartDevilDialog()
    {
        if (!m_needStartDevilDialog)
            return;

        if (!m_devilObj)
        {
            CommonFunctions.myassert(false);
            return;
        }

        float dist = (m_devilObj.transform.position - m_mainCharacter.transform.position).magnitude;
        if (dist > 2f)
            return;

        StopRunSound();
        m_needStartDevilDialog = false;
        StartDialog("DevilDialog");
    }
    
    //-----------------------------------------------------------------------------------------
    void UpdateNeedStartFortuneDialog()
    {
        if (!m_needStartFortuneDialog)
            return;

        if (!m_slotObj)
        {
            CommonFunctions.myassert(false);
            return;
        }

        float dist = (m_slotObj.transform.position - m_mainCharacter.transform.position).magnitude;
        if (dist > 2.3f)
            return;

        StopRunSound();
        m_needStartFortuneDialog = false;
        StartDialog("SlotMachineDialog");
    }

    //-----------------------------------------------------------------------------------------
    void UpdateGameStick()
    {
        if (DialogsCount > 0)
            return;

        if (m_mainCharacter.IsDead)
            return;

        if (Input.GetMouseButtonDown(0) && !m_wasMouseDown)
        {
            m_wasMouseDown = true;
            m_mouseDownPos = Input.mousePosition;
            m_mouseDownPos.z = 0;

            Vector3 neededStickPos = m_mouseDownPos;
            m_gameStick.transform.position = neededStickPos;

            m_gameStick.SetDefault(false);
            m_mainCharacter.SetState(CharacterState.MOVE_STATE);

            if (m_runSoundSource == null)
                m_runSoundSource = SoundsManager.Instance.PlaySound("run", 0, true);
        }
        else if (Input.GetMouseButton(0) && m_wasMouseDown)
        {
            Vector3 dirVec = Input.mousePosition - m_mouseDownPos;
            float delta = System.Math.Abs(dirVec.magnitude);
            m_gameStick.SetArrowScale(delta);
            m_gameStick.UpdateArrow(dirVec.normalized);

            var needMult = delta / 100f > 1f ? 1f : delta / 100f;
            UpdateGameCharacter(dirVec.normalized * needMult);
        }
        else if (Input.GetMouseButtonUp(0) && m_wasMouseDown)
        {
            m_wasMouseDown = false;
            m_mouseDownPos = new Vector3();

            m_gameStick.transform.position = m_stickDefaultPos;
            m_gameStick.SetDefault(true);

            m_mainCharacter.SetState(CharacterState.DEFAULT);

            StopRunSound();   
        }
    }

    //-----------------------------------------------------------------------------------------
    public void StopRunSound()
    {
        if (m_runSoundSource)
        {
            m_runSoundSource.Stop();
            m_runSoundSource = null;
        }
    }

    //-----------------------------------------------------------------------------------------
    void UpdateGameCharacter(Vector3 dir)
    {
        if (!m_mainCharacter)
            return;

        dir.z = dir.y;
        dir.y = 0;
        m_mainCharacter.SetDir(dir, m_gameStick.GetArrowYScale());
    }

    //-----------------------------------------------------------------------------------------
    public void SetStickDefault()
    {
        m_gameStick.transform.position = m_stickDefaultPos;
        m_gameStick.SetDefault(true);
    }

    public void LevelUp()
    {
        StartCoroutine(WaitLevelFinish());
    }

    private IEnumerator WaitLevelFinish()
    {
        yield return new WaitUntil(() => AiController.Instance.TargetingEnemies.Count <= 0);

        GlobalsVar.gPlayerLvlUpInRun++;
        m_lvlUpLabel.text = "LVL " + GlobalsVar.gPlayerLvlUpInRun.ToString();

        GameObject addAbDilogObj = StartDialog("AddInGameAbDialog");
        addAbDilogObj.GetComponent<AddInGameAbilityDialog>().Init();

        m_mainCharacter.SetState(CharacterState.DEFAULT);
    }
}