/**
 * marketing.js - 营销服务逻辑（EDM行业+区域二级联动筛选+导出邮箱列表；数据定制/媒体批发占位）
 * 页面：edm.html / data_custom.html / media_wholesale.html
 */
$(function () {
    // 根据当前页面文件名决定初始化方式
    var pageFile = location.pathname.split('/').pop();

    if (pageFile === 'data_custom.html') {
        initDataCustom();
        return;
    }
    if (pageFile === 'media_wholesale.html') {
        initMediaWholesale();
        return;
    }

    /* ============ EDM 页面 ============ */
    renderShell('营销服务', '营销服务 / EDM筛选');
    renderEdmPage();
    initPage('marketing', function (user) {
        if (!checkPagePermission('marketing')) return;
        loadIndustries();
        loadRegions();
        loadEmails(1);
    });

    var currentPage = 1;

    /** 渲染 EDM 页面内容（工具栏+表格+分页） */
    function renderEdmPage() {
        $('#page-content').html(
            '<div class="card">' +
            '  <div class="toolbar">' +
            '    <select data-filter="industry" id="filter-industry"><option value="">全部行业</option></select>' +
            '    <select data-filter="province" id="filter-province"><option value="">选择省份/州</option></select>' +
            '    <select data-filter="city" id="filter-city"><option value="">选择城市/区</option></select>' +
            '    <input type="text" data-filter="keyword" placeholder="姓名/邮箱关键词">' +
            '    <button class="btn btn-primary" id="btn-search">筛选</button>' +
            '    <button class="btn" id="btn-reset">重置</button>' +
            '    <span class="spacer"></span>' +
            '    <span style="font-size:13px;color:#8a94a6;">命中 <b id="email-total" style="color:#2a5298;">0</b> 个邮箱</span>' +
            '    <button class="btn btn-success" id="btn-export">导出CSV</button>' +
            '  </div>' +
            '  <div class="table-wrap"><table class="grid">' +
            '    <thead><tr><th><input type="checkbox" id="check-all"></th><th>邮箱</th><th>姓名</th><th>当前公司</th><th>工作所在地</th><th>家乡</th></tr></thead>' +
            '    <tbody id="edm-tbody"></tbody>' +
            '  </table></div>' +
            '  <div class="pagination" id="pagination"></div>' +
            '</div>'
        );
        $('#check-all').on('change', function () { $('.row-check').prop('checked', this.checked); });
    }

    function loadIndustries() {
        httpGet('marketing/edm.php', { action: 'industries' }).then(function (d) {
            var html = '<option value="">全部行业</option>';
            (d.industries || []).forEach(function (i) {
                html += '<option value="' + escHtml(i) + '">' + escHtml(i) + '</option>';
            });
            $('#filter-industry').html(html);
        });
    }

    function loadRegions() {
        httpGet('marketing/edm.php', { action: 'regions' }).then(function (d) {
            var regions = d.regions || {};
            var html = '<option value="">选择省份/州</option>';
            Object.keys(regions).forEach(function (p) {
                html += '<option value="' + escHtml(p) + '">' + escHtml(p) + '</option>';
            });
            $('#filter-province').html(html).data('regions', regions);
            $('#filter-city').html('<option value="">选择城市/区</option>');
        });
    }

    // 二级联动：选省后加载市
    $('#filter-province').on('change', function () {
        var regions = $(this).data('regions') || {};
        var province = $(this).val();
        var html = '<option value="">选择城市/区</option>';
        (regions[province] || []).forEach(function (c) {
            html += '<option value="' + escHtml(c) + '">' + escHtml(c) + '</option>';
        });
        $('#filter-city').html(html);
    });

    function loadEmails(page) {
        currentPage = page;
        var params = buildFilterParam();
        params.action = 'filter';
        params.page = page;
        params.limit = PAGE_SIZE;

        httpGet('marketing/edm.php', params).then(function (data) {
            var rows = data.list || [];
            var html = '';
            rows.forEach(function (r) {
                html += '<tr>' +
                    '<td><input type="checkbox" class="row-check" value="' + r.email + '"></td>' +
                    '<td>' + escHtml(r.email) + '</td>' +
                    '<td>' + escHtml(r.full_name || '-') + '</td>' +
                    '<td>' + escHtml(r.company_name || '-') + '</td>' +
                    '<td>' + escHtml(r.work_location || '-') + '</td>' +
                    '<td>' + escHtml(r.hometown || '-') + '</td></tr>';
            });
            if (!rows.length) {
                html = '<tr><td colspan="6" class="empty-tip" style="padding:40px 0;">暂无匹配邮箱</td></tr>';
            }
            $('#edm-tbody').html(html);
            renderPagination($('#pagination'), data, loadEmails);
            $('#email-total').text(data.total || 0);
        });
    }

    $('#btn-search').on('click', function () { loadEmails(1); });
    $('#btn-reset').on('click', function () {
        $('.toolbar [data-filter]').val('');
        $('#filter-city').html('<option value="">选择城市/区</option>');
        loadEmails(1);
    });

    /* ---------- 导出CSV（仅导出勾选的邮箱，未勾选弹窗提醒） ---------- */
    $('#btn-export').on('click', function () {
        var emails = [];
        $('.row-check:checked').each(function () { emails.push($(this).val()); });
        if (!emails.length) {
            layer.alert('请先选择需要导出的邮箱', { icon: 2, title: '提示' });
            return;
        }
        download('marketing/edm_export.php', { emails: emails.join(',') });
    });

    /* ============ 数据定制（占位） ============ */
    function initDataCustom() {
        renderShell('数据定制', '营销服务 / 数据定制');
        initPage('marketing', function (user) {
            if (!checkPagePermission('marketing')) return;
            httpGet('marketing/data_custom.php').then(function (d) {
                $('#page-content').html(
                    '<div class="card"><div class="placeholder-box">' +
                    '<div class="big">' + (ICONS.data || '') + '</div>' +
                    '<h3>' + escHtml(d.title || '数据定制') + '</h3>' +
                    '<p>' + escHtml(d.description || '功能建设中') + '</p>' +
                    '</div>' +
                    '<div class="form-grid" style="max-width:720px;margin:0 auto;">' +
                    '  <div class="form-item"><label>联系人</label><input type="text" id="dc-name"></div>' +
                    '  <div class="form-item"><label>联系电话</label><input type="text" id="dc-phone"></div>' +
                    '  <div class="form-item full"><label>定制需求说明</label><textarea id="dc-req" style="min-height:90px;"></textarea></div>' +
                    '  <div class="form-item full" style="text-align:right;"><button class="btn btn-primary" id="dc-submit">提交需求（占位）</button></div>' +
                    '</div></div>'
                );
                $('#dc-submit').on('click', function () {
                    httpPost('marketing/data_custom.php', {
                        action: 'submit',
                        contact_name: $('#dc-name').val(),
                        contact_phone: $('#dc-phone').val(),
                        requirements: $('#dc-req').val()
                    }).then(function (d) {
                        Dialog.alert(d.msg || '已提交');
                    });
                });
            });
        });
    }

    /* ============ 媒体批发（占位） ============ */
    function initMediaWholesale() {
        renderShell('媒体批发', '营销服务 / 媒体批发');
        initPage('marketing', function (user) {
            if (!checkPagePermission('marketing')) return;
            httpGet('marketing/media_wholesale.php').then(function (d) {
                $('#page-content').html(
                    '<div class="card"><div class="placeholder-box">' +
                    '<div class="big">' + (ICONS.media || '') + '</div>' +
                    '<h3>' + escHtml(d.title || '媒体批发') + '</h3>' +
                    '<p>' + escHtml(d.description || '功能建设中') + '</p>' +
                    '</div>' +
                    '<div class="form-grid" style="max-width:720px;margin:0 auto;">' +
                    '  <div class="form-item full"><label>媒体账号ID（逗号分隔）</label><input type="text" id="mw-ids" placeholder="如 1,2,3"></div>' +
                    '  <div class="form-item full"><label>需求说明</label><textarea id="mw-req" style="min-height:90px;"></textarea></div>' +
                    '  <div class="form-item full" style="text-align:right;"><button class="btn btn-primary" id="mw-submit">提交询价（占位）</button></div>' +
                    '</div></div>'
                );
                $('#mw-submit').on('click', function () {
                    httpPost('marketing/media_wholesale.php', {
                        action: 'inquiry',
                        media_ids: $('#mw-ids').val(),
                        remark: $('#mw-req').val()
                    }).then(function (d) {
                        Dialog.alert(d.msg || '已提交');
                    });
                });
            });
        });
    }
});