/**
 * iconHhysFa 1.0 字体图标选择
 * User: jackhhy
 * Date: 2020/06/23-11:09
 * Link: https://gitee.com/luckygyl/iconFonts
 */
layui.define(['laypage', 'form'], function (exports) {
    "use strict";

    var IconHhys =function () {
            this.v = '1.0';
        }, _MOD = 'iconHhysFa',
        _this = this,
        $ = layui.jquery,
        laypage = layui.laypage,
        form = layui.form,
        BODY = 'body',
        TIPS = '请选择图标';


    /**
     * 渲染组件
     */
    IconHhys.prototype.render = function (options) {
        var opts = options,
            // DOM选择器
            elem = opts.elem,
            // 数据类型：fontClass/awesome
            type = opts.type == null ? 'fontClass' : opts.type,
            //当数据类型为awesome 的时候 需要配置 url
            url  = opts.url ,
            // 是否分页：true/false
            page = opts.page == null ? true : opts.page,
            // 每页显示数量
            limit = opts.limit == null ? 12 : opts.limit,
            // 是否开启搜索：true/false
            search = opts.search == null ? true : opts.search,
            // 每个图标格子的宽度：'43px'或'20%'
            cellWidth = opts.cellWidth == null ? '20%':opts.cellWidth,
            // 点击回调
            click = opts.click,
            // 渲染成功后的回调
            success = opts.success,
            // json数据
            data = {},
            value = opts.value == null ? '' : opts.value,
            // 唯一标识
            tmp = new Date().getTime(),
            // 初始化时input的值
            ORIGINAL_ELEM_VALUE = value,
            TITLE = 'layui-select-title',
            TITLE_ID = 'layui-select-title-' + tmp,
            ICON_BODY = 'layui-iconpicker-' + tmp,
            PICKER_BODY = 'layui-iconpicker-body-' + tmp,
            PAGE_ID = 'layui-iconpicker-page-' + tmp,
            LIST_BOX = 'layui-iconpicker-list-box',
            selected = 'layui-form-selected',
            unselect = 'layui-unselect';

        var a = {
            init: function () {
                if (type.indexOf("fontClass") > -1){
                    data = common.getfont[type]();
                 }else{
                    data = common.getData(url);  
                }
               a.hideElem().createSelect().createBody().toggleSelect();
                        a.preventEvent().inputListen();
                        common.loadCss();
                        if (success) {
                            success(this.successHandle());
                        }
                return a;
            },
            successHandle: function () {
                var d = {
                    options: opts,
                    data: data,
                    id: tmp,
                    elem: $('#' + ICON_BODY)
                };
                return d;
            },
            /**
             * 隐藏elem
             */
            hideElem: function () {
                $(elem).hide();
                return a;
            },
            /**
             * 绘制select下拉选择框
             */
            createSelect: function () {
                if (type.indexOf("fontClass") > -1){
                    var oriIcon = '<i class="layui-icon">';

                    // 默认图标
                    if(ORIGINAL_ELEM_VALUE === '') {
                         ORIGINAL_ELEM_VALUE = 'layui-icon-circle-dot';
                    }
                    oriIcon = '<i class="layui-icon '+ ORIGINAL_ELEM_VALUE +'">';
                    oriIcon += '</i>';

                    var selectHtml = '<div class="layui-iconpicker layui-unselect layui-form-select" id="'+ ICON_BODY +'">' +
                        '<div class="'+ TITLE +'" id="'+ TITLE_ID +'">' +
                        '<div class="layui-iconpicker-item">'+
                        '<span class="layui-iconpicker-icon layui-unselect">' +
                        oriIcon +
                        '</span>'+
                        '<i class="layui-edge"></i>' +
                        '</div>'+
                        '</div>' +
                        '<div class="layui-anim layui-anim-upbit" style="">' +
                        '123' +
                        '</div>';
                    $(elem).after(selectHtml);
                    return a;
                }else{
                    var oriIcon = '<i class="fa">';
                    // 默认图标
                    if (ORIGINAL_ELEM_VALUE === '') {
                        ORIGINAL_ELEM_VALUE = 'fa-adjust';
                    }
                    oriIcon = '<i class="fa ' + ORIGINAL_ELEM_VALUE + '">';
                    oriIcon += '</i>';

                    var selectHtml = '<div class="layui-iconpicker layui-unselect layui-form-select" id="' + ICON_BODY + '">' +
                        '<div class="' + TITLE + '" id="' + TITLE_ID + '">' +
                        '<div class="layui-iconpicker-item">' +
                        '<span class="layui-iconpicker-icon layui-unselect">' +
                        oriIcon +
                        '</span>' +
                        '<i class="layui-edge"></i>' +
                        '</div>' +
                        '</div>' +
                        '<div class="layui-anim layui-anim-upbit" style="">' +
                        '123' +
                        '</div>';
                    $(elem).after(selectHtml);
                    return a;
                }

            },

            /**
             * 展开/折叠下拉框
             */
            toggleSelect: function () {
                var item = '#' + TITLE_ID + ' .layui-iconpicker-item,#' + TITLE_ID + ' .layui-iconpicker-item .layui-edge';
                a.event('click', item, function (e) {
                    var $icon = $('#' + ICON_BODY);
                    if ($icon.hasClass(selected)) {
                        $icon.removeClass(selected).addClass(unselect);
                    } else {
                        // 隐藏其他picker
                        $('.layui-form-select').removeClass(selected);
                        // 显示当前picker
                        $icon.addClass(selected).removeClass(unselect);
                    }
                    e.stopPropagation();
                });
                return a;

            },

            /**
             * 绘制主体部分
             */
            createBody: function () {
                // 获取数据
                var searchHtml = '';

                if (search) {
                    searchHtml = '<div class="layui-iconpicker-search">' +
                        '<input class="layui-input">' +
                        '<i class="layui-icon">&#xe615;</i>' +
                        '</div>';
                }
                // 组合dom
                var bodyHtml = '<div class="layui-iconpicker-body" id="'+ PICKER_BODY +'">' +
                    searchHtml +
                    '<div class="'+ LIST_BOX +'"></div> '+
                    '</div>';
                $('#' + ICON_BODY).find('.layui-anim').eq(0).html(bodyHtml);
                a.search().createList().check().page();
                return a;
            },


            /**
             * 绘制图标列表
             * @param text 模糊查询关键字
             * @returns {string}
             */
            createList: function (text) {
                var d = data,
                    l = d.length,
                    pageHtml = '',
                    listHtml = $('<div class="layui-iconpicker-list">')//'<div class="layui-iconpicker-list">';

                // 计算分页数据
                var _limit = limit, // 每页显示数量
                    _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1), // 总计多少页
                    _id = PAGE_ID;

                // 图标列表
                var icons = [];

                for (var i = 0; i < l; i++) {
                    var obj = d[i];

                    // 判断是否模糊查询
                    if (text && obj.indexOf(text) === -1) {
                        continue;
                    }

                    // 是否自定义格子宽度
                    var style = '';
                    if (cellWidth !== null) {
                        style += ' style="width:' + cellWidth + '"';
                    }
                    // 每个图标dom
                    var icon = '<div class="layui-iconpicker-icon-item" title="'+ obj +'" '+ style +'>';

                    if(type.indexOf("fontClass") >-1){
                        icon += '<i class="layui-icon '+ obj +'"></i>';
                    }else {
                        icon += '<i class="fa ' + obj + '"></i>';
                    }
                    icon += '</div>';

                    icons.push(icon);
                }

                // 查询出图标后再分页
                l = icons.length;
                _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1);
                for (var i = 0; i < _pages; i++) {
                    // 按limit分块
                    var lm = $('<div class="layui-iconpicker-icon-limit" id="layui-iconpicker-icon-limit-' + tmp + (i+1) +'">');

                    for (var j = i * _limit; j < (i+1) * _limit && j < l; j++) {
                        lm.append(icons[j]);
                    }
                    listHtml.append(lm);
                }
                // 无数据
                if (l === 0) {
                    listHtml.append('<p class="layui-iconpicker-tips">无数据</p>');
                }
                // 判断是否分页
                if (page){
                    $('#' + PICKER_BODY).addClass('layui-iconpicker-body-page');
                    pageHtml = '<div class="layui-iconpicker-page" id="'+ PAGE_ID +'">' +
                        '<div class="layui-iconpicker-page-count">' +
                        '<span id="'+ PAGE_ID +'-current">1</span>/' +
                        '<span id="'+ PAGE_ID +'-pages">'+ _pages +'</span>' +
                        ' (<span id="'+ PAGE_ID +'-length">'+ l +'</span>)' +
                        '</div>' +
                        '<div class="layui-iconpicker-page-operate">' +
                        '<i class="layui-icon" id="'+ PAGE_ID +'-prev" data-index="0" prev>&#xe603;</i> ' +
                        '<i class="layui-icon" id="'+ PAGE_ID +'-next" data-index="2" next>&#xe602;</i> ' +
                        '</div>' +
                        '</div>';
                }

                $('#' + ICON_BODY).find('.layui-anim').find('.' + LIST_BOX).html('').append(listHtml).append(pageHtml);
                return a;
            },
            // 阻止Layui的一些默认事件
            preventEvent: function() {
                var item = '#' + ICON_BODY + ' .layui-anim';
                a.event('click', item, function (e) {
                    e.stopPropagation();
                });
                return a;
            },

            // 分页
            page: function () {
                var icon = '#' + PAGE_ID + ' .layui-iconpicker-page-operate .layui-icon';

                $(icon).unbind('click');
                a.event('click', icon, function (e) {
                    var elem = e.currentTarget,
                        total = parseInt($('#' +PAGE_ID + '-pages').html()),
                        isPrev = $(elem).attr('prev') !== undefined,
                        // 按钮上标的页码
                        index = parseInt($(elem).attr('data-index')),
                        $cur = $('#' +PAGE_ID + '-current'),
                        // 点击时正在显示的页码
                        current = parseInt($cur.html());

                    // 分页数据
                    if (isPrev && current > 1) {
                        current=current-1;
                        $(icon + '[prev]').attr('data-index', current);
                    } else if (!isPrev && current < total){
                        current=current+1;
                        $(icon + '[next]').attr('data-index', current);
                    }
                    $cur.html(current);

                    // 图标数据
                    $('#'+ ICON_BODY + ' .layui-iconpicker-icon-limit').hide();
                    $('#layui-iconpicker-icon-limit-' + tmp + current).show();
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 搜索
             */
            search: function () {
                var item = '#' + PICKER_BODY + ' .layui-iconpicker-search .layui-input';
                a.event('input propertychange', item, function (e) {
                    var elem = e.target,
                        t = $(elem).val();
                    a.createList(t);
                });
                return a;
            },
            /**
             * 点击选中图标
             */
            check: function () {
                if(type.indexOf("fontClass") >-1){
                    var item = '#' + PICKER_BODY + ' .layui-iconpicker-icon-item';
                    a.event('click', item, function (e) {
                        var el = $(e.currentTarget).find('.layui-icon'),
                            icon = '';
                      
                            var clsArr = el.attr('class').split(/[\s\n]/),
                                cls = clsArr[1],
                                icon = cls;
                            $('#' + TITLE_ID).find('.layui-iconpicker-item .layui-icon').html('').attr('class', clsArr.join(' '));
                        

                        $('#' + ICON_BODY).removeClass(selected).addClass(unselect);
                        $(elem).val(icon).attr('value', icon);
                        // 回调
                        if (click) {
                            click({
                                icon: icon
                            });
                        }
                    });
                }else{
                    var item = '#' + PICKER_BODY + ' .layui-iconpicker-icon-item';
                    a.event('click', item, function (e) {
                        var el = $(e.currentTarget).find('.fa'),
                            icon = '';

                        var clsArr = el.attr('class').split(/[\s\n]/),
                            cls = clsArr[1],
                            icon = cls;
                        $('#' + TITLE_ID).find('.layui-iconpicker-item .fa').html('').attr('class', clsArr.join(' '));

                        $('#' + ICON_BODY).removeClass(selected).addClass(unselect);
                        $(elem).val(icon).attr('value', icon);
                        // 回调
                        if (click) {
                            click({
                                icon: icon
                            });
                        }

                    });
                }

                return a;

            },


            // 监听原始input数值改变
            inputListen: function(){
                var el = $(elem);
                a.event('change', elem, function(){
                    var value = el.val();
                })
                // el.change(function(){

                // });
                return a;
            },
            event: function (evt, el, fn) {
                $(BODY).on(evt, el, fn);
            }

    };



        var common = {
            /**
             * 加载样式表
             */
            loadCss: function () {
                var css = '.layui-iconpicker {max-width: 280px;}.layui-iconpicker .layui-anim{display:none;position:absolute;left:0;top:42px;padding:5px 0;z-index:899;min-width:100%;border:1px solid #d2d2d2;max-height:300px;overflow-y:auto;background-color:#fff;border-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,.12);box-sizing:border-box;}.layui-iconpicker-item{border:1px solid #e6e6e6;width:90px;height:36px;border-radius:4px;cursor:pointer;position:relative;}.layui-iconpicker-icon{border-right:1px solid #e6e6e6;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;display:block;width:60px;height:100%;float:left;text-align:center;background:#fff;transition:all .3s;}.layui-iconpicker-icon i{line-height:38px;font-size:18px;}.layui-iconpicker-item > .layui-edge{left:70px;}.layui-iconpicker-item:hover{border-color:#D2D2D2!important;}.layui-iconpicker-item:hover .layui-iconpicker-icon{border-color:#D2D2D2!important;}.layui-iconpicker.layui-form-selected .layui-anim{display:block;}.layui-iconpicker-body{padding:6px;}.layui-iconpicker .layui-iconpicker-list{background-color:#fff;border:1px solid #ccc;border-radius:4px;}.layui-iconpicker .layui-iconpicker-icon-item{display:inline-block;width:21.1%;line-height:36px;text-align:center;cursor:pointer;vertical-align:top;height:36px;margin:4px;border:1px solid #ddd;border-radius:2px;transition:300ms;}.layui-iconpicker .layui-iconpicker-icon-item i.layui-icon{font-size:17px;}.layui-iconpicker .layui-iconpicker-icon-item:hover{background-color:#eee;border-color:#ccc;-webkit-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;-moz-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;box-shadow:0 0 2px #aaa,0 0 2px #fff inset;text-shadow:0 0 1px #fff;}.layui-iconpicker-search{position:relative;margin:0 0 6px 0;border:1px solid #e6e6e6;border-radius:2px;transition:300ms;}.layui-iconpicker-search:hover{border-color:#D2D2D2!important;}.layui-iconpicker-search .layui-input{cursor:text;display:inline-block;width:86%;border:none;padding-right:0;margin-top:1px;}.layui-iconpicker-search .layui-icon{position:absolute;top:11px;right:4%;}.layui-iconpicker-tips{text-align:center;padding:8px 0;cursor:not-allowed;}.layui-iconpicker-page{margin-top:6px;margin-bottom:-6px;font-size:12px;padding:0 2px;}.layui-iconpicker-page-count{display:inline-block;}.layui-iconpicker-page-operate{display:inline-block;float:right;cursor:default;}.layui-iconpicker-page-operate .layui-icon{font-size:12px;cursor:pointer;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit{display:none;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit:first-child{display:block;}';
                var $style = $('head').find('style[iconpicker]');
                if ($style.length === 0) {
                    $('head').append('<style rel="stylesheet" iconpicker>'+css+'</style>');
                }
            },
            /**
             * 获取数据
             */
            getfont: {
                fontClass: function () {
                    var arr = ["layui-icon-rate-half","layui-icon-rate","layui-icon-rate-solid","layui-icon-cellphone","layui-icon-vercode","layui-icon-login-wechat","layui-icon-login-qq","layui-icon-login-weibo","layui-icon-password","layui-icon-username","layui-icon-refresh-3","layui-icon-auz","layui-icon-spread-left","layui-icon-shrink-right","layui-icon-snowflake","layui-icon-tips","layui-icon-note","layui-icon-home","layui-icon-senior","layui-icon-refresh","layui-icon-refresh-1","layui-icon-flag","layui-icon-theme","layui-icon-notice","layui-icon-website","layui-icon-console","layui-icon-face-surprised","layui-icon-set","layui-icon-template-1","layui-icon-app","layui-icon-template","layui-icon-praise","layui-icon-tread","layui-icon-male","layui-icon-female","layui-icon-camera","layui-icon-camera-fill","layui-icon-more","layui-icon-more-vertical","layui-icon-rmb","layui-icon-dollar","layui-icon-diamond","layui-icon-fire","layui-icon-return","layui-icon-location","layui-icon-read","layui-icon-survey","layui-icon-face-smile","layui-icon-face-cry","layui-icon-cart-simple","layui-icon-cart","layui-icon-next","layui-icon-prev","layui-icon-upload-drag","layui-icon-upload","layui-icon-download-circle","layui-icon-component","layui-icon-file-b","layui-icon-user","layui-icon-find-fill","layui-icon-loading","layui-icon-loading-1","layui-icon-add-1","layui-icon-play","layui-icon-pause","layui-icon-headset","layui-icon-video","layui-icon-voice","layui-icon-speaker","layui-icon-fonts-del","layui-icon-fonts-code","layui-icon-fonts-html","layui-icon-fonts-strong","layui-icon-unlink","layui-icon-picture","layui-icon-link","layui-icon-face-smile-b","layui-icon-align-left","layui-icon-align-right","layui-icon-align-center","layui-icon-fonts-u","layui-icon-fonts-i","layui-icon-tabs","layui-icon-radio","layui-icon-circle","layui-icon-edit","layui-icon-share","layui-icon-delete","layui-icon-form","layui-icon-cellphone-fine","layui-icon-dialogue","layui-icon-fonts-clear","layui-icon-layer","layui-icon-date","layui-icon-water","layui-icon-code-circle","layui-icon-carousel","layui-icon-prev-circle","layui-icon-layouts","layui-icon-util","layui-icon-templeate-1","layui-icon-upload-circle","layui-icon-tree","layui-icon-table","layui-icon-chart","layui-icon-chart-screen","layui-icon-engine","layui-icon-triangle-d","layui-icon-triangle-r","layui-icon-file","layui-icon-set-sm","layui-icon-add-circle","layui-icon-404","layui-icon-about","layui-icon-up","layui-icon-down","layui-icon-left","layui-icon-right","layui-icon-circle-dot","layui-icon-search","layui-icon-set-fill","layui-icon-group","layui-icon-friends","layui-icon-reply-fill","layui-icon-menu-fill","layui-icon-log","layui-icon-picture-fine","layui-icon-face-smile-fine","layui-icon-list","layui-icon-release","layui-icon-ok","layui-icon-help","layui-icon-chat","layui-icon-top","layui-icon-star","layui-icon-star-fill","layui-icon-close-fill","layui-icon-close","layui-icon-ok-circle","layui-icon-add-circle-fine"];
                    return arr;
                }
            },
            /**
             * 获取数据
             */
            getData: function (url) {
                var iconlist = [];
                $.ajax({
                    url: url,
                    type: 'get',
                    contentType: "application/x-www-form-urlencoded; charset=UTF-8",
                    async: false,
                    success: function (ret) {
                        var exp = /fa-var-(.*):/ig;
                        var result;
                        while ((result = exp.exec(ret)) != null) {
                            iconlist.push('fa-' + result[1]);
                        }
                    },
                    error: function (xhr, textstatus, thrown) {
                        layer.msg('fa图标接口有误');
                    }
                });
                return iconlist;
            }

        };

        a.init();
        return new IconHhys();

    }

    /**
     * 选中图标
     * @param filter lay-filter
     * @param iconName 图标名称，自动识别fontClass/unicode
     */
    /** IconHhys.prototype.checkIcon = function (filter, iconName){
        var el = $('*[lay-filter='+ filter +']'),
            p = el.next().find('.layui-iconpicker-item .layui-icon'),
            c = iconName;
        if (c.indexOf('#xe') > -1){
            p.html(c);
        } else {
            p.html('').attr('class', 'layui-icon ' + c);
        }
        el.attr('value', c).val(c);
    };*/



    /**
     * 选中图标auwosome
     * @param filter lay-filter
     * @param iconName 图标名称，自动识别fontClass/unicode
     */
   /** IconHhys.prototype.checkAwesome = function (filter, iconName) {
        var el = $('*[lay-filter=' + filter + ']'),
            p = el.next().find('.layui-iconpicker-item .fa'),
            c = iconName;

        if (c.indexOf('#xe') > 0) {
            p.html(c);
        } else {
            p.html('').attr('class', 'fa ' + c);
        }
        el.attr('value', c).val(c);
    };*/


    var iconHhys = new IconHhys();
    exports(_MOD, iconHhys);
});