/**
 * preliminary.js - 碎片处理逻辑（待定逻辑，暂做基础列表 + 状态统计）
 */
$(function () {
    renderShell('碎片处理', '数据管理 / 碎片处理（占位）');
    renderPage();
    initPage('preliminary', function (user) {
        if (!checkPagePermission('preliminary')) return;
        loadStats();
        loadList(1);
    });

    var currentPage = 1;

    /** 渲染页面内容（统计卡+工具栏+表格+分页） */
    function renderPage() {
        $('#page-content').html(
            '<div class="stat-cards" id="stat-cards"></div>' +
            '<div class="card">' +
            '  <div class="toolbar">' +
            '    <input type="text" data-filter="keyword" placeholder="公司/姓名/电话/邮箱关键词">' +
            '    <select data-filter="source_type"><option value="">全部类型</option>' +
            '      <option value="company">公司</option><option value="person">人员</option>' +
            '      <option value="product">产品</option><option value="need">需求</option><option value="mixed">混合</option></select>' +
            '    <input type="date" data-filter="start_date" title="开始日期">' +
            '    <input type="date" data-filter="end_date" title="结束日期">' +
            '    <button class="btn btn-primary" id="btn-search">搜索</button>' +
            '    <button class="btn" id="btn-reset">重置</button>' +
            '  </div>' +
            '  <div class="table-wrap"><table class="grid">' +
            '    <thead><tr><th>ID</th><th>类型</th><th>公司</th><th>姓名</th><th>电话</th><th>邮箱</th><th>跟进人</th><th>录入时间</th></tr></thead>' +
            '    <tbody id="pre-tbody"></tbody>' +
            '  </table></div>' +
            '  <div class="pagination" id="pagination"></div>' +
            '</div>'
        );
    }

    function loadStats() {
        httpGet('preliminary/stats.php').then(function (d) {
            $('#stat-cards').html(
                '<div class="stat-card c-blue"><div class="num">' + d.total + '</div><div class="label">碎片总数</div></div>' +
                '<div class="stat-card c-green"><div class="num">' + d.today + '</div><div class="label">今日新增</div></div>'
            );
        });
    }

    function loadList(page) {
        currentPage = page;
        var params = buildFilterParam();
        params.page = page;
        params.limit = PAGE_SIZE;

        httpGet('preliminary/list.php', params).then(function (data) {
            var rows = data.list || [];
            var html = '';
            rows.forEach(function (r) {
                html += '<tr>' +
                    '<td>' + r.id + '</td>' +
                    '<td>' + escHtml(r.source_type || '-') + '</td>' +
                    '<td>' + escHtml(r.company_name || '-') + '</td>' +
                    '<td>' + escHtml(r.person_name || '-') + '</td>' +
                    '<td>' + escHtml(r.contact_phone || '-') + '</td>' +
                    '<td>' + escHtml(r.contact_email || '-') + '</td>' +
                    '<td>' + escHtml(r.follow_person || '-') + '</td>' +
                    '<td>' + fmtDate(r.created_at) + '</td></tr>';
            });
            if (!rows.length) {
                html = '<tr><td colspan="8" class="empty-tip" style="padding:40px 0;">暂无数据碎片</td></tr>';
            }
            $('#pre-tbody').html(html);
            renderPagination($('#pagination'), data, loadList);
        });
    }

    $('#btn-search').on('click', function () { loadList(1); });
    $('#btn-reset').on('click', function () {
        $('.toolbar [data-filter]').val('');
        loadList(1);
    });
});