// 方案相关公共函数（currentPlanId 在各页面自行声明）

// 查看方案详情
async function viewPlan(planId) {
    currentPlanId = planId;
    const response = await fetch(`/api/plans/${planId}`);
    const data = await response.json();

    let html = `
        <div class="mb-3">
            <strong>学员：</strong>${data.student_name} &nbsp;&nbsp;
            <strong>练习时间：</strong>${data.content.practice_time} &nbsp;&nbsp;
            <strong>生成时间：</strong>${data.created_at}
        </div>
        <h6>问题诊断</h6>
        <div class="mb-3">
    `;

    data.content.problems.forEach(p => {
        html += `<span class="problem-tag severity-${p.severity}">${p.name}（${p.severity}）</span> `;
    });

    html += `</div>`;

    if (data.content.ai_report) {
        const aiReportHtml = marked.parse(data.content.ai_report);
        html += `
            <h6>AI个性化练习报告</h6>
            <div class="mb-3 p-3 bg-light rounded" style="max-height: 500px; overflow-y: auto;">${aiReportHtml}</div>
        `;
    } else if (data.content.ai_report_error) {
        html += `
            <h6>AI报告</h6>
            <div class="mb-3 p-3 bg-warning rounded">AI生成失败: ${data.content.ai_report_error}</div>
        `;
    }

    document.getElementById('planDetailContent').innerHTML = html;
    new bootstrap.Modal(document.getElementById('planDetailModal')).show();
}

// 下载PDF
function downloadPDF() {
    const templateId = document.getElementById('reportTemplateSelect')?.value;
    const url = templateId ? `/api/plans/${currentPlanId}/pdf?template_id=${templateId}` : `/api/plans/${currentPlanId}/pdf`;
    window.open(url, '_blank');
}

// 下载MD
function downloadMD() {
    const templateId = document.getElementById('reportTemplateSelect')?.value;
    const url = templateId ? `/api/plans/${currentPlanId}/md?template_id=${templateId}` : `/api/plans/${currentPlanId}/md`;
    window.open(url, '_blank');
}

// 别名（兼容旧代码）
const downloadPlanPDF = downloadPDF;
const downloadPlanMD = downloadMD;

// 预览报告模板
async function previewReportTemplate() {
    if (!currentPlanId) {
        alert('请先选择一个方案');
        return;
    }
    const templateId = document.getElementById('reportTemplateSelect')?.value;
    const url = templateId ? `/api/plans/${currentPlanId}/md?template_id=${templateId}` : `/api/plans/${currentPlanId}/md`;
    try {
        const resp = await fetch(url);
        if (resp.ok) {
            const md = await resp.text();
            document.getElementById('reportPreviewContent').innerHTML = marked.parse(md);
            new bootstrap.Modal(document.getElementById('reportPreviewModal')).show();
        } else {
            alert('预览失败');
        }
    } catch (e) {
        alert('预览失败: ' + e.message);
    }
}