using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using JC;
/* 商城界面 */
public class ShopView : JCUnityLib.ViewBase, MenuBackInterface
{
    [SerializeField] Sprite[] optionSprites;
    [SerializeField] GameObject options;
    [SerializeField] ScrollPanel productsPanel;
    [SerializeField] ScrollPanel bagPanel;
    [SerializeField] ScrollPanel equippedPanel;
    [SerializeField] GameObject introduceItem;
    public static ShopView ins;

    void Start() {
        ins = this;
        PersistenHandler.ins?.menuBackCtr.views.Add(this);
        TopBarView.NeedShowIt(this);

        InitOptions();
    }

    void OnDestroy()
    {
        if (ins == this) ins = null;
        PersistenHandler.ins?.menuBackCtr.views.Remove(this);
        TopBarView.DontNeedShowIt(this);
    }

    public bool OnMenuBack() {
        ViewMgr.Instance.DestroyView<ShopView>();
        return true;
    }

    void InitOptions() {
        for (int i = 0; i < this.options.transform.childCount; i++) {
            int index = i;
            Button button = this.options.transform.GetChild(i).gameObject.AddComponent<Button>();
            button.onClick.AddListener(delegate() {
                AudioMgr.ins.PlayBtn();
                this.SelectOption(index);
            });
        }
        SelectOption(0);
    }

    int optionID = 0;
    void SelectOption(int index) {
        optionID = index;
        for (int i = 0; i < this.options.transform.childCount; i++) {
            this.options.transform.GetChild(i).GetComponent<Image>().sprite = this.optionSprites[0];
        }
        this.options.transform.GetChild(index).GetComponent<Image>().sprite = this.optionSprites[1];
        productsPanel.gameObject.SetActive(index == 0);
        if (index == 0) InitProductsPanel();
        bagPanel.gameObject.SetActive(index == 1);
        if (index == 1) InitBagPanel();
        equippedPanel.gameObject.SetActive(index == 2);
        if (index == 2) InitEquippedPanel();
    }

    // void AddText1ToItem(GameObject gameObject, int scaleValue)
    // {
    //     GameObject node = new GameObject();
    //     node.transform.SetParent(gameObject.transform);
    //     node.transform.localScale = new Vector3(1, 1, 1);
    //     Text t = node.AddComponent<Text>();
    //     node.transform.localPosition = new Vector3();
    //     t.text = "X" + scaleValue;
    //     node.layer = LayerMask.NameToLayer("UI");
    //     t.font = Resources.Load<Font>("Fonts/智能黑体");
    //     t.alignment = TextAnchor.MiddleCenter;
    //     t.fontSize = 32;
    //     t.color = Color.black;
    // }

    bool _InitProductsPanel = false;
    void InitProductsPanel()
    {
        List<PropConfig> propConfigs = PropMgr.ins.ListForShop();
        if (!_InitProductsPanel) {
            _InitProductsPanel = true;
            productsPanel.onReceiveItemViewInfo.AddListener(onReceiveItemViewInfo);
            productsPanel.onItemChange.AddListener(delegate(RectTransform item, int index) {
                PropConfig propConfig = propConfigs[index];
                Image img = introduceItem.transform.Find("Box/Image").GetComponent<Image>();
                img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
                img.SetNativeSize();
                TextAutoLanguage autoLanguage = introduceItem.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
                autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
                autoLanguage.SetText(int.Parse(propConfig.name[0]));
                TextAutoLanguage autoLanguage1 = introduceItem.transform.Find("Detail").GetComponent<TextAutoLanguage>();
                autoLanguage1.textFormatArgs = GetFormatArgs(propConfig.detail);
                autoLanguage1.SetText(int.Parse(propConfig.detail[0]));
            });
            foreach (var propConfig in propConfigs)
            {
                GameObject item = GameObject.Instantiate<GameObject>(
                    productsPanel.prefabs[0], 
                    Vector3.zero, Quaternion.identity, 
                    productsPanel.GetComponent<ScrollRect>().content
                );
                item.SetActive(true);
                productsPanel.AddItem(item.GetComponent<RectTransform>());
                Image img = item.transform.Find("Box/Image").GetComponent<Image>();
                img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
                img.SetNativeSize();
                // if (propConfig.type == 1) {
                //     AddText1ToItem(img.gameObject, ((PropScaleAim) propConfig).scaleValue);
                // } else if (propConfig.type == 2) {
                //     AddText1ToItem(img.gameObject, ((PropScaleShoot) propConfig).scaleValue);
                // }
                TextAutoLanguage autoLanguage = item.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
                autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
                autoLanguage.SetText(int.Parse(propConfig.name[0]));
                Image costIcon = item.transform.Find("Cost/Icon").GetComponent<Image>();
                costIcon.sprite = Resources.Load<Sprite>("Textures/Common/Icon003");
                Text costValue = item.transform.Find("Cost/Text").GetComponent<Text>();
                costValue.text = propConfig.diamond.ToString();

                Button btnBuy = item.transform.Find("BtnBuy").GetComponent<Button>();
                
                if (PropMgr.ins.isSoldOut(propConfig))
                {
                    btnBuy.interactable = false;
                    btnBuy.GetComponentInChildren<TextAutoLanguage>().SetText(107);
                }
                else 
                {
                    btnBuy.onClick.AddListener(delegate() {
                        PropMgr.ins.buyProp(propConfig);
                        if (PropMgr.ins.isSoldOut(propConfig)) {
                            btnBuy.interactable = false;
                            btnBuy.GetComponentInChildren<TextAutoLanguage>().SetText(107);
                        }
                    });
                }
            }
            productsPanel.UpdateItems();
            productsPanel.SelectItemByStartIndex();
        }
        introduceItem.SetActive(propConfigs.Count > 0);
    }

    void InitBagPanel()
    {
        bagPanel.ClearItems();
        bagPanel.onReceiveItemViewInfo.RemoveAllListeners();
        bagPanel.onReceiveItemViewInfo.AddListener(onReceiveItemViewInfo);
        List<PropInfo> propInfos = PropMgr.ins.ListForBag();
        bagPanel.onItemChange.RemoveAllListeners();
        bagPanel.onItemChange.AddListener(delegate(RectTransform item, int index) {
            PropConfig propConfig = propInfos[index].config;
            Image img = introduceItem.transform.Find("Box/Image").GetComponent<Image>();
            img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
            img.SetNativeSize();
            TextAutoLanguage autoLanguage = introduceItem.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
            autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
            autoLanguage.SetText(int.Parse(propConfig.name[0]));
            TextAutoLanguage autoLanguage1 = introduceItem.transform.Find("Detail").GetComponent<TextAutoLanguage>();
            autoLanguage1.textFormatArgs = GetFormatArgs(propConfig.detail);
            autoLanguage1.SetText(int.Parse(propConfig.detail[0]));
        });
        foreach (var propInfo in propInfos)
        {
            var propConfig = propInfo.config;
            GameObject item = GameObject.Instantiate<GameObject>(
                bagPanel.prefabs[0], 
                Vector3.zero, Quaternion.identity, 
                bagPanel.GetComponent<ScrollRect>().content
            );
            item.SetActive(true);
            bagPanel.AddItem(item.GetComponent<RectTransform>());
            Image img = item.transform.Find("Box/Image").GetComponent<Image>();
            img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
            img.SetNativeSize();
            // if (propConfig.type == 1) {
            //     AddText1ToItem(img.gameObject, ((PropScaleAim) propConfig).scaleValue);
            // } else if (propConfig.type == 2) {
            //     AddText1ToItem(img.gameObject, ((PropScaleShoot) propConfig).scaleValue);
            // }
            TextAutoLanguage autoLanguage = item.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
            autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
            autoLanguage.SetText(int.Parse(propConfig.name[0]));

            Button btnUse = item.transform.Find("BtnUse").GetComponent<Button>();
            btnUse.interactable = !propInfo.inuse;
            btnUse.GetComponentInChildren<TextAutoLanguage>().SetText(propInfo.inuse ? 109 : 108);
            btnUse.onClick.AddListener(delegate() {
                PropMgr.ins.useProp(propInfo);
                int i = 0;
                foreach (var prop in propInfos)
                {
                    Button btn1 = bagPanel.itemList[i++].transform.Find("BtnUse").GetComponent<Button>();
                    btn1.interactable = !prop.inuse;
                    btn1.GetComponentInChildren<TextAutoLanguage>().SetText(prop.inuse ? 109 : 108);
                }
            });
        }
        bagPanel.UpdateItems();
        bagPanel.SelectItemByStartIndex();
        introduceItem.SetActive(propInfos.Count > 0);
    }

    void InitEquippedPanel()
    {
        equippedPanel.ClearItems();
        equippedPanel.onReceiveItemViewInfo.RemoveAllListeners();
        equippedPanel.onReceiveItemViewInfo.AddListener(onReceiveItemViewInfo);
        List<PropInfo> propInfos = PropMgr.ins.ListForEquipped();
        equippedPanel.onItemChange.RemoveAllListeners();
        equippedPanel.onItemChange.AddListener(delegate(RectTransform item, int index) {
            propInfos = PropMgr.ins.ListForEquipped();//重新拉取，因为可能增删导致数据有变
            PropConfig propConfig = propInfos[index].config;
            Image img = introduceItem.transform.Find("Box/Image").GetComponent<Image>();
            img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
            img.SetNativeSize();
            TextAutoLanguage autoLanguage = introduceItem.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
            autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
            autoLanguage.SetText(int.Parse(propConfig.name[0]));
            TextAutoLanguage autoLanguage1 = introduceItem.transform.Find("Detail").GetComponent<TextAutoLanguage>();
            autoLanguage1.textFormatArgs = GetFormatArgs(propConfig.detail);
            autoLanguage1.SetText(int.Parse(propConfig.detail[0]));
        });
        foreach (var propInfo in propInfos)
        {
            var propConfig = propInfo.config;
            GameObject item = GameObject.Instantiate<GameObject>(
                equippedPanel.prefabs[0], 
                Vector3.zero, Quaternion.identity, 
                equippedPanel.GetComponent<ScrollRect>().content
            );
            item.SetActive(true);
            equippedPanel.AddItem(item.GetComponent<RectTransform>());
            Image img = item.transform.Find("Box/Image").GetComponent<Image>();
            img.sprite = Resources.Load<Sprite>("Textures/Prop/" + propConfig.iconID);
            img.SetNativeSize();
            // if (propConfig.type == 1) {
            //     AddText1ToItem(img.gameObject, ((PropScaleAim) propConfig).scaleValue);
            // } else if (propConfig.type == 2) {
            //     AddText1ToItem(img.gameObject, ((PropScaleShoot) propConfig).scaleValue);
            // }
            TextAutoLanguage autoLanguage = item.transform.Find("TextFrame/Text").GetComponent<TextAutoLanguage>();
            autoLanguage.textFormatArgs = GetFormatArgs(propConfig.name);
            autoLanguage.SetText(int.Parse(propConfig.name[0]));

            Button btnCancel = item.transform.Find("BtnCancel").GetComponent<Button>();
            
            btnCancel.onClick.AddListener(delegate() {
                PropMgr.ins.useProp(propInfo);
                if (!propInfo.inuse) {
                    equippedPanel.RemoveItem(item.GetComponent<RectTransform>());
                    equippedPanel.UpdateItems();
                    equippedPanel.MoveNearestItemToCenter();
                    introduceItem.SetActive(propInfos.Count > 0);
                }
            });
        }
        equippedPanel.UpdateItems();
        equippedPanel.SelectItemByStartIndex();
        introduceItem.SetActive(propInfos.Count > 0);
    }

    string[] GetFormatArgs(string[] array)
    {
        string[] newArray = new string[array.Length - 1];
        for (int i = 1; i < array.Length; i++)
        {
            newArray[i - 1] = array[i];
        }
        return newArray;
    }

    void onReceiveItemViewInfo(RectTransform item, Vector3 positionInView, Vector2 viewSize)
    {
        float distanceRate = Mathf.Abs(positionInView.x * 2)  / viewSize.x; 
        float scaleRate = 1f - 0.2f * distanceRate;
        item.Find("Box").localScale = new Vector3(scaleRate, scaleRate, 1);
    }

    public void PointerLeft()
    {
        if (optionID == 0) productsPanel.MoveNextToCenter(-1);
        if (optionID == 1) bagPanel.MoveNextToCenter(-1);
        if (optionID == 2) equippedPanel.MoveNextToCenter(-1);
    }

    public void PointerRight()
    {
        if (optionID == 0) productsPanel.MoveNextToCenter(1);
        if (optionID == 1) bagPanel.MoveNextToCenter(1);
        if (optionID == 2) equippedPanel.MoveNextToCenter(1);
    }

    public void Back() {
        AudioMgr.ins.PlayBtn();
        ViewMgr.Instance.DestroyView<ShopView>();
    }
}