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

public class EquipmentSelectedCtrl : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
{

    public GameObject viewEquipmentImg;//查看装备UI
    public GameObject viewEquipmentImgSprite;//查看装备UI的图片精灵
    public GameObject equipmentSelectedImg;//标识选中装备的UI
    private string equipmentSpriteName;//装备精灵名
    public string viewEquipmentImgSpriteName;//查看装备时装备精灵名

    private RectTransform rectTransform;
    private Vector2 pos;
    private Vector2 offset = new Vector2(8f,8f);

    bool equipSelected;
    private GameObject selectEquipNum;

    private int pipeLineUnit = 25;//管线单位（每盘多少米）
    private int lifeSaveLightLineUnit = 100;//救生照明线单位（每盘多少米）

    private UnCostEquip unCstEquip = new UnCostEquip();
    private CostEquip cstEquip = new CostEquip();
    // Use this for initialization
    void Start () {
        selectEquipNum = transform.parent.parent.parent.parent.parent.Find("SelectEquipNumImage").gameObject;

        viewEquipmentImg = transform.parent.parent.Find("Image").gameObject;

        equipmentSelectedImg = Resources.Load<GameObject>("UIPrefab/Equipment/EquipmentSelected");

        equipmentSpriteName = this.GetComponent<Image>().sprite.name;
        viewEquipmentImgSpriteName = equipmentSpriteName.Substring(0, equipmentSpriteName.Length - 1) + "D";
        viewEquipmentImgSprite = Resources.Load<GameObject>("UIPrefab/Equipment/" + viewEquipmentImgSpriteName);

        rectTransform = viewEquipmentImg.transform as RectTransform;

        this.GetComponent<Button>().onClick.AddListener(OnClick);

        ShowEquipSelecteWin.NotifyAgainSelectEqp += OnNotifyAgainSelectEqp;
    }

    private void OnNotifyAgainSelectEqp()
    {
        //每次重新打开选择界面，都初始化为未选择
        if (this.name == "消防高压水带" || this.name == "救生照明线")
        {
            int equipNum = int.Parse(this.transform.Find("Text").GetComponent<Text>().text);
            if (equipNum != 0)
            {
                this.transform.Find("Text").GetComponent<Text>().text = "0";
            }
        }
        else
        {
            if (equipSelected)
            {
                equipSelected = false;
                CancelSelected(this.transform);
            }
        }
    }

    void OnDestroy()
    {
        this.GetComponent<Button>().onClick.RemoveListener(OnClick);
        ShowEquipSelecteWin.NotifyAgainSelectEqp -= OnNotifyAgainSelectEqp;
    }

    // Update is called once per frame
    void Update () {
        if (viewEquipmentImg.activeSelf
            && RectTransformUtility.ScreenPointToLocalPointInRectangle(transform.parent.parent.transform as RectTransform, Input.mousePosition, null, out pos))
        {
            rectTransform.anchoredPosition = new Vector2(pos.x + offset.x, 
                pos.y + offset.y);
        }

        //收集需要提交的装备数据
        string equipItemName = this.transform.parent.parent.parent.name + "/" + this.transform.parent.name + "/" + this.name;
        if (this.name == "消防高压水带" || this.name == "救生照明线")
        {
            Dictionary<string, CostEquip> costSelectedEquips = EquipSubmit.costSelectedEquips;
            
            int equipItemNum = int.Parse(this.transform.Find("Text").GetComponent<Text>().text);
            if (this.name == "消防高压水带")
            {
                //cstEquip = new pipeLine(pipeLineUnit);
                cstEquip = new CostEquip(pipeLineUnit);
            }

            if (this.name == "救生照明线")
            {
                //cstEquip = new lifeSaveLightLine(lifeSaveLightLineUnit);
                cstEquip = new CostEquip(lifeSaveLightLineUnit);
            }

            cstEquip.selectedEquipName = equipItemName;
            cstEquip.selectedEquipNum = equipItemNum;

            if (equipItemNum != 0)
            {
                if (!costSelectedEquips.ContainsKey(cstEquip.selectedEquipName))
                {
                    costSelectedEquips.Add(cstEquip.selectedEquipName, cstEquip);
                }
                else
                { //同样的装备选取数量的改变
                    costSelectedEquips[cstEquip.selectedEquipName].selectedEquipNum = equipItemNum;
                }
            }
            else
            {
                if (costSelectedEquips.ContainsKey(cstEquip.selectedEquipName))
                {
                    costSelectedEquips.Remove(cstEquip.selectedEquipName);
                }
            }
        }
        else
        {
            unCstEquip.selectedEquipName = equipItemName;

            Dictionary<string, UnCostEquip> unCostSelectedEquips = EquipSubmit.unCostSelectedEquips;

            if (equipSelected)
            {
                if (!unCostSelectedEquips.ContainsKey(unCstEquip.selectedEquipName))
                    unCostSelectedEquips.Add(unCstEquip.selectedEquipName, unCstEquip);
            }
            else
            {
                if (unCostSelectedEquips.ContainsKey(unCstEquip.selectedEquipName))
                {
                    unCostSelectedEquips.Remove(unCstEquip.selectedEquipName);
                }
            }
        }
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        viewEquipmentImg.SetActive(true);

        viewEquipmentImg.GetComponent<Image>().sprite = viewEquipmentImgSprite.GetComponent<SpriteRenderer>().sprite;
        viewEquipmentImg.transform.Find("Text").GetComponent<Text>().text = equipmentSpriteName.Substring(0, equipmentSpriteName.Length - 1);
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        viewEquipmentImg.SetActive(false);
    }

    private void OnClick()
    {
        if (this.name == "救生照明线" || this.name == "消防高压水带")
        {
            if (selectEquipNum)
            {
                selectEquipNum.SetActive(true);

                selectEquipNum.transform.Find("ConfirmButton").GetComponent<ConfirmSelectEquipNum>().selectedEquipLable = this.transform.Find("Text").gameObject;

                int equipNum = int.Parse(this.transform.Find("Text").GetComponent<Text>().text);
                selectEquipNum.transform.Find("ConfirmButton").GetComponent<ConfirmSelectEquipNum>().equipNum = 0;
                selectEquipNum.transform.Find("InputField").GetComponent<InputField>().text = "0";
                selectEquipNum.transform.Find("PlusButton").GetComponent<EquipPlusOrReduce>().equipNum = 0;
                selectEquipNum.transform.Find("ReduceButton").GetComponent<EquipPlusOrReduce>().equipNum = 0;
            }
        }
        else
        {
            if (!equipSelected)
            {
                var equipmentSelectedFlagImg = GameObject.Instantiate(equipmentSelectedImg) as GameObject;
                equipmentSelectedFlagImg.name = "EquipmentSelected";
                equipmentSelectedFlagImg.transform.parent = this.transform;
                Vector2 pos = new Vector2(-equipmentSelectedFlagImg.GetComponent<RectTransform>().rect.width/2, -equipmentSelectedFlagImg.GetComponent<RectTransform>().rect.height/2);
                equipmentSelectedFlagImg.GetComponent<RectTransform>().anchoredPosition = pos;
                equipmentSelectedFlagImg.GetComponent<RectTransform>().localScale = new Vector3(1f,1f,1f);
            }
            else
            {
                CancelSelected(this.transform);
            }

            equipSelected = !equipSelected;
        }
    }

    private void CancelSelected(Transform tsf)
    {
        foreach (Transform t in tsf)
        {
            if(t.name == "EquipmentSelected")
                Destroy(t.gameObject);
        }
    }
}