/*
 * FancyScrollView (https://github.com/setchi/FancyScrollView)
 * Copyright (c) 2020 setchi
 * Licensed under MIT (https://github.com/setchi/FancyScrollView/blob/master/LICENSE)
 */

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using DG.Tweening;
using UnityEngine;
using UnityEngine.UI;
class UI_Panel_Character : MonoBehaviour
{
    [SerializeField] float anim_Time = 0.5f;
    float Anim_Speed => 1f / anim_Time;
    [SerializeField] List<Animator> ui_Anim;
    [SerializeField] Transform content_Character_Slot;
    [SerializeField] Button button_Character_Slot_Prefab;
    [SerializeField] Text text_Character_Name;
    [SerializeField] Image Image_Character_Illustration;
    [SerializeField] Image Image_Character_Illustration_BG;

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            gameObject.SetActive(false);
        }
    }
    void Start()
    {
        if (Image_Character_Illustration.transform.parent.TryGetComponent(out CanvasGroup canvasGroup))
        {
            canvasGroup.alpha = 0;
        }
        else if(canvasGroup == null)
        {
            // Documentation text normalized.
            return;
        }
        
        foreach (var item in ui_Anim)
        {
            item.speed = Anim_Speed;
        }
        content_Character_Slot.Get_Childrens_Component<UI_Button_Character_Head_Slot>(true, true);
        for (int i = 0; i < UI_Panel_Main.Singleton.Data_List.Count; i++)
        {
            var obj = Instantiate(button_Character_Slot_Prefab, content_Character_Slot);
            var data = UI_Panel_Main.Singleton.Data_List[i];
            obj.image.sprite = data.Image_Head;
            if (obj.TryGetComponent(out UI_Button_Character_Head_Slot head_Slot))
            {
                head_Slot.index = data.index;
                obj.onClick.AddListener(() => Set_Character_Index(head_Slot.index));
            }
        }
    }
    public void Set_Character_Index(int index)
    {
        if (UI_Panel_Main.Singleton.Character_Index == index) return;
        UI_Panel_Main.Singleton.Character_Index = index;
        Set_Character();
    }
    private void OnEnable()
    {
        Set_Character();
    }
    Coroutine c_Character_Illustration_Anim;
    public void Set_Character()
    {
        if (c_Character_Illustration_Anim != null)
        {
            StopCoroutine(c_Character_Illustration_Anim);
        }
        if (Image_Character_Illustration.transform.parent.TryGetComponent(out CanvasGroup canvasGroup))
        {
            c_Character_Illustration_Anim = StartCoroutine(C_Character_Illustration_Anim(canvasGroup, Set_Character_Show));
        }
    }
    public void Set_Character_Show()
    {
        var data = UI_Panel_Main.Singleton.Get_Character_Image_Data();
        var pos1 = Image_Character_Illustration.rectTransform.anchoredPosition;
        Image_Character_Illustration.sprite = data.Image_Full;
        DOTween.To(value =>
        { Image_Character_Illustration.rectTransform.anchoredPosition = new Vector2(value, pos1.y); },
             startValue: Image_Character_Illustration.rectTransform.anchoredPosition.x - 200,
             pos1.x, anim_Time);
        Image_Character_Illustration.SetNativeSize();
        var pos = Image_Character_Illustration_BG.rectTransform.anchoredPosition;
        Image_Character_Illustration_BG.sprite = data.Image_Full;
        DOTween.To(value =>
        { Image_Character_Illustration_BG.rectTransform.anchoredPosition = new Vector2(value, pos.y); },
             startValue: Image_Character_Illustration_BG.rectTransform.anchoredPosition.x - 200,
             pos.x, anim_Time);
        Image_Character_Illustration_BG.SetNativeSize();
        Image_Character_Illustration_BG.transform.localScale = new(2.7f, 2.7f, 2.7f);


        string text = text_Character_Name.text;
        var t = DOTween.To(() => string.Empty, value => text_Character_Name.text = value, text, anim_Time).SetEase(Ease.Linear);
        t.SetOptions(true);
    }
    IEnumerator C_Character_Illustration_Anim(CanvasGroup canvasGroup, Action onHide)
    {
        while (canvasGroup.alpha > 0)
        {
            canvasGroup.alpha -= Anim_Speed * Time.deltaTime;
            yield return null;
        }
        onHide?.Invoke();
        while (canvasGroup.alpha < 1)
        {
            canvasGroup.alpha += Anim_Speed * Time.deltaTime;
            yield return null;
        }
    }
}