using System.Collections;
using UnityEngine;

enum MenuSubStates {OpeningMenu, Choosing, Payment, ClosingMenu, SwitchState}
public class MenuState : IState
{
    GameManager gm;

    float SecondsToPromo = 180;
    float ElapsedPromoTimer;
    float timeToFastcheck = 2;

    float GotoSettingsPressedTime = 3;
    float ElapsedSettinsPressedTime;

    bool animationEnded = true;

    public Transform
        label,
        buttonLeft,
        buttonRight,
        coinPanel,
        label2,
        board,
        noPrizeLabel;
    RectTransform SmallPrizesOut;

    MenuSubStates subState;

    #region начальные и конечные позиции для элементов меню
    //s - startPosition, e - endPosition
    Vector2
        //надпись "ФИШКА"
        sLabel = new Vector2(0, 320),
        eLabel = new Vector2(0, 1000),

        //Иконки режимов
        sButton = new Vector2(400, -15),
        eButton = new Vector2(2000, -15),

        //подсказка + лого + техподдержка
        sLabel2 = new Vector2(0, -380),
        eLabel2 = new Vector2(0, -1000),
        
        //ИГРОВОЕ ПОЛЕ
        sBoard = new Vector2(-40, -0.5f),
        eBoard = new Vector2(0, -0.5f),
        
        sNoPrize = new Vector2(-0, -70f),
        eNoPrize = new Vector2(15, -409);
    Vector3
        sCoin = new Vector3(0, -1.93f, 0),
        eCoin = new Vector3(-8.964f, 3.6f, 0);

    Vector2 sSmallPrizesOutSize = new Vector2(560, 100);
    Vector2 eSmallPrizesOutSize = new Vector2(660, 100);
    #endregion


    public MenuState()
    {
        subState = MenuSubStates.Choosing;//субстейт и так ставится в энтере
    }

    //если пришли из игры, то нужно начать с открытия меню
    public MenuState(bool fromGameplay) : this()
    {
        subState = MenuSubStates.OpeningMenu;//субстейт и так ставится в энтере
    }

    public void enter()
    {
        PullRefs();
        ResetGameSession();

        ElapsedPromoTimer = 0;

        subState = gm.menuOpened ? MenuSubStates.Choosing : MenuSubStates.OpeningMenu;
        LightUtility.Idle();
    }

    private void PullRefs()
    {
        gm = GameManager.instance;
        label = gm.label;
        buttonLeft = gm.buttonLeft;
        buttonRight = gm.buttonRight;
        coinPanel = gm.coinPanel;
        label2 = gm.label2;
        board = gm.board;
        noPrizeLabel = gm.noPrizeLabel;
        SmallPrizesOut = gm.smallPrizesOut;
    }
    private void ResetGameSession()
    {
        //ресет
        gm.vsBotThinkTime = 0;
        gm.vsBotMoves = 0;
        gm.movesAndTimeCounter.SetVisibility(false);

        CharacterController.HideCharacter();
        CharacterController.I.SetAllCharactersPrizeAvailable(true);
        DualAvatarController.Instance.HideCharacters();

        DifficultyManager.instance.ResetDifficulty();

        gm.player1score = 0;
        gm.player2score = 0;
        gm.vsBotScore = 0;

        gm.moveMade = false;
    }

    public void exit() { }

    public void update()
    {
        switch (subState)
        {
            case MenuSubStates.OpeningMenu:
                OpenMenu(); 
                break;
            case MenuSubStates.Choosing:
                ChoosingMode();
                break;
            case MenuSubStates.Payment:
                Payment();
                break;
            case MenuSubStates.ClosingMenu:
                CloseMenu();
                break;
            case MenuSubStates.SwitchState:
                SwitchState();
                break;

        }
    }

    private void ChoosingMode()//основное состояние(выбор)
    {
        if (!animationEnded)
            return;

        //Заход в настройки
        if (ShouldGotosettings())
        {
            SoundManager.instance.playSwitch();
            gm.stateMachine.ChangeState(new SettingsState());
            return;
        }

        //Определяемся с режимом игры
        if (GamemodeChosen()) return;
        
        //Правила
        if (In.GetButtonDownAnyPlayer(PlayerAction.down))
        {
            gm.stateMachine.ChangeState(new RulesState());
            return;
        }


        //Промовидос
        ElapsedPromoTimer = Mathf.Clamp(ElapsedPromoTimer +Time.deltaTime, 0, SecondsToPromo);
        if (ElapsedPromoTimer == SecondsToPromo)
        {
            gm.stateMachine.ChangeState(new PromoState());
            return;
        }

        //Заход в лидерборд
        bool gotoLeaderboard = In.GetButtonDownAnyPlayer(PlayerAction.left) && In.GetButtonDownAnyPlayer(PlayerAction.right);
        if (gotoLeaderboard)
        {
            ElapsedPromoTimer = 0;

            gm.stateMachine.ChangeState(new CheckLeadersFromMenuState());
            return;
        }

        //проверка счетчиков
        bool checkCountersCombination = In.GetButton(ButtonPinMapping.startOnePlayer) && In.GetButton(ButtonPinMapping.startTwoPlayers);
        if (checkCountersCombination)
        {
            timeToFastcheck -= Time.deltaTime;
            if (timeToFastcheck <= 0)
            {
                bool fastCheckEnabled = SettingsManager.GetBool("FastCheck", false);
                if (fastCheckEnabled) gm.fastCheckCounters.SetActive(true);

                timeToFastcheck = 2;
            }
        }
        else
            timeToFastcheck = 2;
    }
    private bool ShouldGotosettings()
    {
        //читаем кнопки
        bool settingButtonPressed = In.GetButton(ButtonPinMapping.secret) || Input.GetKey(KeyCode.F5);

        //считаем таймер
        float sign = settingButtonPressed ? 1 : -1;
        ElapsedSettinsPressedTime += Time.deltaTime * sign;
        ElapsedSettinsPressedTime = Mathf.Clamp(ElapsedSettinsPressedTime, 0, GotoSettingsPressedTime);

        //Жали столько сколько надо для захода в меню
        if (ElapsedSettinsPressedTime == GotoSettingsPressedTime)
        {
            ElapsedSettinsPressedTime = 0;
            return true;
        }

        return false;
    }
    private bool GamemodeChosen()
    {
        bool onePlayer = In.GetButtonDown(ButtonPinMapping.startOnePlayer);
        bool twoPlayer = In.GetButtonDown(ButtonPinMapping.startTwoPlayers);

        if (onePlayer) gm.SetMode(GameMode.pve);
        if (twoPlayer) gm.SetMode(GameMode.pvp);

        if (onePlayer || twoPlayer)
        {
            ElapsedPromoTimer = 0;

            gm.InitVictoryScales();
            SoundManager.instance.playChoose();
            subState = MenuSubStates.Payment;
            return true;
        }

        return false;
    }


    private void Payment()
    {
        
        int creditsPrice = gm.gameMode == GameMode.pve ? PlayerPrefs.GetInt("PricePVE", 10) : PlayerPrefs.GetInt("PricePVP", 10);
        if (ComWrapper.Pay(creditsPrice))
        {//оплата успешно - закрываем меню
            subState = MenuSubStates.ClosingMenu;
        }
        else
        {//не хватило монет - возвращаемся к выбору
            gm.OnNoMoney?.Invoke();
            subState = MenuSubStates.Choosing;
        }
    }

    void CloseMenu()
    {
        gm.timerManager.SetTimersActivity(gm.gameMode);
        
        gm.menuOpened = true;
        animationEnded = false;

        gm.StartCoroutine(closeMenuAnimation());
        subState = MenuSubStates.SwitchState;
    }
    void OpenMenu()
    {
        animationEnded = false;
        
        gm.menuOpened = true;
        gm.StartCoroutine(openMenuAnimation());
        subState = MenuSubStates.Choosing;
    }

    void SwitchState()
    {
        if (animationEnded)
        {
            if (subState == MenuSubStates.OpeningMenu)
            {
                subState = MenuSubStates.Choosing;
                return;
            }
            else
            {//заход в игру
                gm.menuOpened = false;
                CharacterController.ResetState();

                //при переходе из меню первым ходит игрок1
                gm.stateMachine.ChangeState(new StartRoundState(CellState.Player1));

                if(gm.gameMode==GameMode.pve) gm.movesAndTimeCounter.SetVisibility(true);
            }
        }
    }

    IEnumerator closeMenuAnimation()
    {
        animationEnded = false;
        float parametr;

        //Мув кнопок, надписей, монетника
        parametr = 0;
        while (parametr < 1)
        {
            parametr += Time.deltaTime*2;

            label.localPosition =           Vector3.Lerp(sLabel, eLabel, parametr);

            buttonLeft.localPosition =      Vector3.Lerp(new Vector3(-sButton.x, sButton.y,0), new Vector3(-eButton.x, eButton.y, 0), parametr);
            buttonRight.localPosition =     Vector3.Lerp(sButton, eButton, parametr);


            label2.localPosition =          Vector3.Lerp(sLabel2, eLabel2, parametr);
            noPrizeLabel.localPosition =    Vector3.Lerp(sNoPrize, eNoPrize+Vector2.left*3500, parametr);
            coinPanel.localPosition =       Vector3.Lerp(sCoin, eCoin, parametr);

            SmallPrizesOut.sizeDelta = Vector2.Lerp(sSmallPrizesOutSize, eSmallPrizesOutSize, parametr);

            yield return null;
        }
        buttonLeft.localPosition = -eButton;
        buttonRight.localPosition = eButton;

        //мув доски
        parametr = 0;
        while (parametr < 1)
        {
            parametr += Time.deltaTime * 2;
            board.localPosition =           Vector3.Lerp(sBoard, eBoard, parametr);
            noPrizeLabel.localPosition =    Vector3.Lerp(sNoPrize + Vector2.left * 3500, eNoPrize, parametr);

            yield return null;
        }

        animationEnded = true;
    }
    IEnumerator openMenuAnimation()
    {

        Vector3 coinStart = coinPanel.localPosition;

        animationEnded = false;
        float parametr = 1;
        while (parametr >= 0)
        {
            board.localPosition = Vector3.Lerp(sBoard, eBoard, parametr);
            noPrizeLabel.localPosition = Vector3.Lerp(eNoPrize + Vector2.left * 3500, eNoPrize , parametr);
            parametr -= Time.deltaTime * 2;
            yield return null;
        }
        
        
        parametr = 1;
        while (parametr >= 0)
        {
            parametr -= Time.deltaTime * 2;

            label.localPosition = Vector3.Lerp(sLabel, eLabel, parametr);

            //перемещение кнопок
            buttonLeft.localPosition = Vector3.Lerp(
                                                    -sButton + Vector2.up *sButton.y*2, //к точке старта (Y инвертируем)
                                                    -eButton, //от спрятанной позиции
                                                    parametr);

            buttonRight.localPosition = Vector3.Lerp(
                                                    sButton /*+ Vector2.up * 10f*/,
                                                    eButton , 
                                                    parametr);

            noPrizeLabel.localPosition = Vector3.Lerp(sNoPrize, eNoPrize + Vector2.left * 3500, parametr);



            //монетка
            float startDistance = Vector3.Distance(coinPanel.position, sCoin);
            while (Vector3.Distance(coinPanel.position, sCoin) > 0.01f)
            {
                float coinspeed = startDistance * Time.deltaTime * 2;
                coinPanel.localPosition = Vector3.MoveTowards(coinPanel.localPosition, sCoin, coinspeed);
                yield return null;
            }
            coinPanel.localPosition = sCoin;
            label2.localPosition = Vector3.Lerp(sLabel2, eLabel2, parametr);

            SmallPrizesOut.sizeDelta = Vector2.Lerp(sSmallPrizesOutSize, eSmallPrizesOutSize, parametr);

            yield return null;
        }

        animationEnded = true;

        gm.botScale.gameObject.SetActive(false);
        gm.Player1Scale.gameObject.SetActive(false);
        gm.Player2Scale.gameObject.SetActive(false);

    }
}