/**
 * tag相关js
 * @author: yue.liu@yoho.cn
 * @date；2015/3/31
 */

var $ = require('jquery'),
    ellipsis = require('mlellipsis'),
    timer = null;

require('lazyload');

/**
 * 初始化页面加载时的文字截取和图片懒加载功能
 */
exports.init = function() {
    //相关文章截取文字
    ellipsis.init();

    clearTimeout(timer);

    timer = setTimeout(function(){
        $('.tag-text').each(function() {
            $(this).mlellipsis(2);
        });
    }, 0);
    
    $(function() {
        var $loginTip = $('#login-tip'),
    		winH,
    		winW,
    		tipH,
    		tipW;
        //定位登录提示
        winH = $(window).height();
    	winW = $(window).width();
    	
    	tipH = $loginTip.height();
    	tipW = $loginTip.width();
    	
    	$loginTip.css({
    		top: (winH - tipH) / 2,
    		left: (winW - tipW) / 2
    	});
        //文章点赞
        $('#container').delegate('.like-btn', 'touchstart', function(e) {
            var $cur = $(e.currentTarget),
                $info = $cur.closest('.tag-content'),
                id = $info.data('id');
                
            $.ajax({
                type: 'GET',
                url: '/favorite/praise',
                data: {
                    id: id
                }
            }).then(function(data) {
                if (data.code === 200) {
                    $cur.toggleClass('like');
                    //更新点赞数
                    $cur.next('span.like-count').text(data.data);
                } else if (data.code === 400) {
                    //提示登录信息
                    $('#login-tip').fadeIn(500, function() {
                        setTimeout(function() {
                           $('#login-tip').fadeOut(500);
                        }, 1000);
                    });
                }
            });
        });
    });
};