using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class EnterPasswordPanel : MonoBehaviour
{
    int enteredSymbols = 0;
    int SymbolsCount = 6;

    public AudioClip trueSound;
    public AudioClip falseSound;

    public AnimationCurve fillCurve;

    float clearTimer = 0;
    public Image ClearImage;

    float exitTimer = 0;
    public Image ExitImage;

    public string symbols = "";

    public List<RectTransform> slots;
    public GameObject L1;
    public GameObject L2;
    public GameObject R1;
    public GameObject R2;
    public GameObject D1;
    public GameObject D2;
    private List<GameObject> spawnedObjs = new();

    public bool truePassword = false;
    private string password;

    List<ButtonPinMapping> availableButtons = new List<ButtonPinMapping>
    {
        ButtonPinMapping.left1,
        ButtonPinMapping.left2,
        ButtonPinMapping.right1,
        ButtonPinMapping.right2,
        ButtonPinMapping.down1,
        ButtonPinMapping.down2,
    };

    public void Initialize(string password)
    {
        truePassword = false;
        this.password = password;
    }

    public void _Update()
    {
        //p2 очистить
        ClearProcess();
        ExitProcess();

        //получить комбинацию по кнопке
        ButtonsProcess();
    }

    void ClearProcess()
    {

        if (In.GetButton(ButtonPinMapping.startTwoPlayers)) clearTimer += Time.deltaTime;
        else clearTimer -= Time.deltaTime;
        clearTimer = Mathf.Clamp(clearTimer, 0.0f, 2.0f);
        ProcessImageTimer(ClearImage, clearTimer, 2);

        if (clearTimer == 2)
        {
            clearTimer = 0.0f;
            Clear();
        }

    }
    private void Clear()
    {
        clearTimer = 0;
        exitTimer = 0;
        enteredSymbols = 0;
        symbols = string.Empty;

        foreach (var go in spawnedObjs)
        {
            Destroy(go);
        }
        spawnedObjs.Clear();
    }

    private void ExitProcess()
    {
        if (In.GetButton(ButtonPinMapping.startOnePlayer)) exitTimer += Time.deltaTime;
        else exitTimer -= Time.deltaTime;
        exitTimer = Mathf.Clamp(exitTimer, 0.0f, 2.0f);
        ProcessImageTimer(ExitImage, exitTimer, 2);

        if (exitTimer == 2)
        {
            Clear();
            GameManager.instance.stateMachine.ChangeState(new MenuState());
        }
    }


    void ButtonsProcess()
    {
        if (enteredSymbols >= SymbolsCount) return;

        foreach (ButtonPinMapping button in availableButtons)
        {
            if (In.GetButtonDown(button))
            {
                string combinationStr = GetStrCombination(button);
                symbols+=combinationStr;
                DisplaySymbol(combinationStr);
                enteredSymbols++;

                break;
            }
        }

        
        if(enteredSymbols == SymbolsCount)
        {
            if(symbols == password)
            {
                truePassword = true;
                SoundManager.instance.playClip(trueSound);
            }
            else
            {
                truePassword = false;
                SoundManager.instance.playClip(falseSound);
            }
            Clear();

            //введи все символы надо проверка
        }

    }

    void DisplaySymbol(string symbol)
    {
        GameObject prefab = symbol switch
        {
            "L1" => L1,
            "L2" => L2,
            "R1" => R1,
            "R2" => R2,
            "A1" => D1,
            "A2" => D2,
            _ => L1
        };

        GameObject spawned = Instantiate(prefab, slots[enteredSymbols]);
        spawnedObjs.Add(spawned);
    }

    string GetStrCombination(ButtonPinMapping button)
    => button switch
    {
        ButtonPinMapping.left1 => "L1",
        ButtonPinMapping.left2 => "L2",
        ButtonPinMapping.right1 => "R1",
        ButtonPinMapping.right2 => "R2",
        ButtonPinMapping.down1 => "A1",
        ButtonPinMapping.down2 => "A2",
        _ => null
    };


    void ProcessImageTimer(Image image, float time, float maxtime)
        => image.fillAmount = fillCurve.Evaluate(time / maxtime);
}