var Global = require("Global")
var UIHelper = require("UIHelper");
var topTipMsg = require("topTipMsg")

cc.Class({
    extends: cc.Component,

    properties: {
        mYearContent: {
            default: null, 
            type: cc.ScrollView,
        },

        mMoonContent: {
            default: null, 
            type: cc.ScrollView,
        },

        mDayContent: {
            default: null, 
            type: cc.ScrollView,
        },

        _callFun:null,
        _monthDay:null,
        _startPos:null,
    },

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        var myDate = new Date(); 
        var off = [0, -1, 0];
        for (let index = 1; index < 3; index++) {
            var item = this.mYearContent.content.children[index];         
            
            if (item) {
                item.getChildByName("txt").getComponent(cc.Label).string = "" + (myDate.getFullYear() + off[index]) ;
            }
        }
        myDate = null;
        var startPos = this.mYearContent.content.getChildByName("start");
        this.mYearContent.setContentPosition(cc.v2(startPos.position.x, -1*startPos.position.y));

        startPos = this.mMoonContent.content.getChildByName("start");
        this.mMoonContent.setContentPosition(cc.v2(startPos.position.x, -1*startPos.position.y));

        this._startPos = this.mDayContent.content.getChildByName("start");
        this.mDayContent.setContentPosition(cc.v2(this._startPos.position.x, -1*this._startPos.position.y));

        this._monthDay = [31,28,31,30,31,30,31,31,30,31,30,31];
    },

    start () {
        UIHelper.addButtonListener(this.node.getChildByName("rootNode").getChildByName("btClose"), this.node, "uiSelForDay", "onBtnClose");

        this.mYearContent.node.on("scroll-ended", this.onBtnScrollEnd, this);
        this.mMoonContent.node.on("scroll-ended", this.onBtnScrollEnd, this);
        this.mDayContent.node.on("scroll-ended", this.onBtnScrollEnd, this);
    },

    onBtnScrollEnd: function(event,opt) {
        Global.print("uiSelForDay  onBtnScrollEnd   ");
  

        var pos = event.detail.getContentPosition();
 
        var node = this.getScrollItem(event.detail.content, pos);
        
        //Global.print("uiSelForDay  onBtnScrollEnd   string = " + node.getChildByName("txt").getComponent(cc.Label).string);
        event.detail.setContentPosition(node.position);

        if(event.detail.node.name == "moon"){
            this.refreshDays();
        }
        else if(event.detail.node.name == "year")
        {
            var startPos = this.mMoonContent.getContentPosition();   
            var moonNode = this.getScrollItem(this.mMoonContent.content, cc.v2(startPos.x, -1*startPos.y));
    
            var moon = moonNode.getChildByName("txt").getComponent(cc.Label).string;

            if(parseInt(moon) == 2)
            {
                this.refreshDays();
            }
          
        }
    },

    refreshDays()
    {
        var  startPos = this.mYearContent.getContentPosition();     
        var yearNode = this.getScrollItem(this.mYearContent.content, cc.v2(startPos.x, -1*startPos.y));
        startPos = this.mMoonContent.getContentPosition();   
        var moonNode = this.getScrollItem(this.mMoonContent.content, cc.v2(startPos.x, -1*startPos.y));
        startPos = this.mDayContent.getContentPosition();   
        var dayNode = this.getScrollItem(this.mDayContent.content, cc.v2(startPos.x, -1*startPos.y));

        var year = yearNode.getChildByName("txt").getComponent(cc.Label).string;
        var moon = moonNode.getChildByName("txt").getComponent(cc.Label).string;
        var day = dayNode.getChildByName("txt").getComponent(cc.Label).string;

        if((year%100 == 0 && year%400 == 0) ||(year%100 != 0 && year%4 == 0))
        {
            this._monthDay[1] = 29;
        }else{
            this._monthDay[1] = 28;
        }
     
       // this.mDayContent.setContentPosition(cc.v2(this._startPos.position.x, -1*this._startPos.position.y));
        var dayNode = this.setDays(this._monthDay[moon - 1],this.mDayContent.content,day);
        this.mDayContent.content.height = 260 + this._monthDay[moon - 1] * 80;
        this.mDayContent.setContentPosition(cc.v2(dayNode.position.x, -1*dayNode.position.y));
    },

    setDays(days,content,txt)
    {
        if(parseInt(txt) > days)
        {
            txt = ""+days;
        }

        var temp = null;
        for (let index = 0; index < content.childrenCount; index++) {
            const element = content.children[index];
            element.active = (index <=  days || index >= 32 ); 
            if (element.getChildByName("txt")) {
                if(element.getChildByName("txt").getComponent(cc.Label).string == txt) {
                    temp = element;
                }
            }            
        }
        return temp;
    },

    getScrollItem(content, pos) {
        var node = null;
        var offsetMin = content.height;
        for (let index = 0; index < content.childrenCount; index++) {
            const element = content.children[index];
            if(element.active)
            {
                var offset = Math.abs(pos.y - element.y);
                if(offset < offsetMin) {
                    offsetMin = offset;
                    node = element;
                }
            }
   
        }
        return node;
    },

    getScrollItemByTxt(content, txt) {
        for (let index = 0; index < content.childrenCount; index++) {
            const element = content.children[index];
            if(element.active)
            {
                if (element.getChildByName("txt")) {
                    if(element.getChildByName("txt").getComponent(cc.Label).string == txt) {
                        return element;
                    }
                }    
            }        
        }
        return null;
    },

    onBtnClose: function(event,opt) {
        Global.print("uiSelForDay  onBtnClose   ");

        //var yearIndex = this.node.getChildByName("rootNode").getChildByName("year").getComponent(cc.PageView).getCurrentPageIndex();
        //var moonIndex = this.node.getChildByName("rootNode").getChildByName("moon").getComponent(cc.PageView).getCurrentPageIndex();
        //var dayIndex = this.node.getChildByName("rootNode").getChildByName("day").getComponent(cc.PageView).getCurrentPageIndex();
        var  startPos = this.mYearContent.getContentPosition();     
        var yearNode = this.getScrollItem(this.mYearContent.content, cc.v2(startPos.x, -1*startPos.y));
        startPos = this.mMoonContent.getContentPosition();   
        var moonNode = this.getScrollItem(this.mMoonContent.content, cc.v2(startPos.x, -1*startPos.y));
        startPos = this.mDayContent.getContentPosition();   
        var dayNode = this.getScrollItem(this.mDayContent.content, cc.v2(startPos.x, -1*startPos.y));

        var year = yearNode.getChildByName("txt").getComponent(cc.Label).string;
        var moon = moonNode.getChildByName("txt").getComponent(cc.Label).string;
        var day = dayNode.getChildByName("txt").getComponent(cc.Label).string;

        
        Global.print("uiSelForDay  onBtnClose   year = " +  year + "    moon = " +  moon + "    day = " +  day );
        if (this._callFun) {
            this._callFun(year,moon,day);
            this._callFun = null;
        }
        this.node.active = false;
    },
    // update (dt) {},

    show: function(arr, callFun) {
        this._callFun = callFun;
        this.node.active = true;

        var ani = this.node.getComponent(cc.Animation);
        if (ani) {
            ani.play();
        }

        if (arr.length >= 3) {
            var yearNode = this.getScrollItemByTxt(this.mYearContent.content, "" + Global.parseIntNotNull(arr[0]));
            var moonNode = this.getScrollItemByTxt(this.mMoonContent.content, "" + Global.parseIntNotNull(arr[1]));
            var dayNode = this.getScrollItemByTxt(this.mDayContent.content, "" + Global.parseIntNotNull(arr[2]));

            this.mYearContent.setContentPosition(cc.v2(yearNode.position.x, -1*yearNode.position.y));
            this.mMoonContent.setContentPosition(cc.v2(moonNode.position.x, -1*moonNode.position.y));
            this.refreshDays();
            //this.mDayContent.setContentPosition(cc.v2(dayNode.position.x, -1*dayNode.position.y));
        }
        
    },
});