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

public class LearningUI : MonoBehaviour
{
    public TextMeshProUGUI helpfulGuideText;
    public Image recoil, moving, verticalPlacement, horizontalPlacement, ammoManagement, overPeeking, allGood, textbox, tracking;
    public bool showTextFeedback, showGraphicalFeedback;
    private float currentI = 0;
    public GameObject legend;
    
    public void Start()
    {
        var tempColor = recoil.color;
        tempColor.a = 0f;
        recoil.color = tempColor;
        verticalPlacement.color = tempColor;
        horizontalPlacement.color = tempColor;
        moving.color = tempColor;
        tracking.color = tempColor;
        ammoManagement.color = tempColor;
        overPeeking.color = tempColor;
        allGood.color = tempColor;
        helpfulGuideText.text = "";
        showGraphicalFeedback = PlayerPrefs.GetInt("graphicsEnabled") == 1;
        showTextFeedback = PlayerPrefs.GetInt("textEnabled") == 1;
        legend.SetActive(false);
        
    }

    public void Update()
    {
        var newI = Math.Max(currentI - (Time.deltaTime / 3), 0);
        helpfulGuideText.color =
            new Color(helpfulGuideText.color.r, helpfulGuideText.color.g, helpfulGuideText.color.b, newI);
        currentI = newI;

        if (Input.GetKeyDown("tab"))
        {
            legend.SetActive(true);
        }

        if (Input.GetKeyUp("tab"))
        {
            legend.SetActive(false);
        }
        
    }

    private IEnumerator ShowFeedbackImage(Image image, Color color)
    {
        
        image.color = color;
        for (float i = 1; i >= 0; i -= Time.deltaTime * 0.5f)
        {
            helpfulGuideText.color = new Color(helpfulGuideText.color.r, helpfulGuideText.color.g,
                helpfulGuideText.color.b, i);
            image.color = new Color(color.r, color.g, color.b, i * 2);
            yield return null;
        }
    }

    private void ShowFeedbackText(String reason)
    {
        if (showTextFeedback)
        {
            helpfulGuideText.text = reason;
            currentI = 1f;
        }
    }
    
    // these are all the same for now but theyll do different things eventually
    // coroutine that makes it fade out etc.
    public void GuideRecoil(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(recoil, color));
        ShowFeedbackText(reason);
    }

    public void GuideMovingWhileShooting(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(moving, color));
        ShowFeedbackText(reason);
    }

    public void GuideTracking(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(tracking, color));
        ShowFeedbackText(reason);
    }
    
    public void GuideShootingTooFast(String reason, Color color)
    {
        helpfulGuideText.text = reason;
    }

    public void GuideVerticalCrosshairPlacement(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(verticalPlacement, color));
        ShowFeedbackText(reason);
    }

    public void GuideHorizontalCrosshairPlacement(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(horizontalPlacement, color));
        ShowFeedbackText(reason);
    }

    public void GuideOverpeeking(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(overPeeking, color));
        ShowFeedbackText(reason);
    }

    public void GuideAmmoManagement(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(ammoManagement, color));
        ShowFeedbackText(reason);
    }

    public void GuideSuccess(String reason, Color color)
    {
        StartCoroutine(ShowFeedbackImage(allGood, color));
        ShowFeedbackText(reason);
    }
}