'use strict';

/**
 *
 *
 * @author Mai
 * @date
 * @version
 */
$.cs_showLevel = function (setting) {
    const sortTitle = ['第一层', '第二层', '第三层','第四层', '第五层'];
    if (!setting.selector) throw '未指定模块';
    if (!setting.levels) {
        setting.levels = [
            { type: 'sort', count: 5, },
            { type: 'last', title: '最底层' },
            // { type: 'leafXmj', title: '只显示项目节' },
            // { type: 'curMeasure', title: '只显示本期计量' },
        ];
    }

    const initShowLevel = function () {
        const obj = $(setting.selector);
        const html = [];
        html.push('<button class="btn btn-sm btn-light dropdown-toggle text-primary" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">' +
            '<i class="fa fa-list-ol"></i> 显示层级</button>');
        html.push('<div class="dropdown-menu" aria-labelledby="dropdownMenuButton" id="showLevelList">');
        for (const l of setting.levels) {
            if (l.type === 'sort') {
                let count = typeof l.count === 'function' ? l.count() : l.count;
                count = Math.min(count, 5);
                for (let i = 1; i <= l.count; ++i) {
                    html.push(`<a class="dropdown-item" name="showLevel" tag="${i}" href="javascript: void(0);">${sortTitle[i-1]}</a>`);
                }
            } else {
                html.push(`<a class="dropdown-item" name="showLevel" tag="${l.type}" href="javascript: void(0);">${l.title}</a>`);
            }
        }
        html.push('</div>');
        obj.html(html.join(''));


        $('a[name=showLevel]').click(function () {
            setTimeout(() => {
                const tag = $(this).attr('tag');
                showWaitingView();
                setting.showLevel(tag);
                closeWaitingView();
            });
        });
        refreshMenuVisible();
    };

    const refreshMenuVisible = function () {
        const showMenu = function (tag, visible) {
            if (visible) $(`[tag=${tag}]`).show();
            if (!visible) $(`[tag=${tag}]`).hide();
        };
        for (const l of setting.levels) {
            if (l.type === 'sort') {
                let visibleCount = typeof l.visible_count === 'function' ? l.visible_count() : l.visible_count;
                for (let i = 1; i <= l.count; ++i) {
                    showMenu(i, i <= visibleCount);
                }
            } else {
                const visible = typeof l.visible === 'function' ? l.visible() : l.visible;
                showMenu(l.type, visible);
            }
        }
    };

    return { initShowLevel, refreshMenuVisible } ;
};