/**
 * report-template.ts 纯函数单测（大屏多页模式的契约层）。
 * 运行方式（项目无 vitest，对齐 flow-graph.test.ts）：
 *   npx esbuild src/roundtable-planning/lib/report-template.test.ts --bundle --format=esm \
 *     --platform=node --outfile=.tmp-tests/report-template.test.mjs
 *   node --test .tmp-tests/report-template.test.mjs
 */
import assert from "node:assert/strict";
import test from "node:test";

import {
  buildDashboardPrompt,
  extractReportData,
  isDashboardHtml,
  renderDashboardHtml,
  RT_DASHBOARD_MARKER,
  stripReportFence,
} from "./report-template";

const SAMPLE = [
  "下面是大屏数据。",
  "```report-json",
  JSON.stringify({
    title: "智能机房选址方案大屏",
    subtitle: "三地候选 · 综合评审",
    kpis: [
      { label: "总投资", value: "1.2", unit: "亿元", trend: "up" },
      { label: "工期", value: "14", unit: "个月" },
    ],
    consensus: { headline: "推荐 B 地块方案", points: ["供电冗余最高", "扩容空间充足"] },
    charts: [
      { type: "bar", title: "候选地块评分", items: [{ label: "A", value: 72 }, { label: "B", value: 89 }] },
      { type: "donut", title: "投资构成", items: [{ label: "土建", value: 40 }, { label: "设备", value: 60 }] },
    ],
    timeline: [{ label: "阶段一", desc: "勘察与立项" }],
    seats: [
      { id: "seat-1", name: "情报收集", summary: "完成三地基础数据采集", sections: [{ heading: "数据来源", bullets: ["政务公开", "实地走访"] }], metrics: [{ label: "覆盖率", value: 92 }], risks: [], dependsOn: [] },
      { id: "seat-2", name: "方案设计", summary: "B 地块双回路供电方案", sections: [], metrics: [], risks: [{ label: "供电瓶颈", level: "high" }], dependsOn: ["seat-1"] },
    ],
  }),
  "```",
].join("\n");

test("extractReportData：完整块解析 + 字段归一化", () => {
  const d = extractReportData(SAMPLE)!;
  assert.equal(d.title, "智能机房选址方案大屏");
  assert.equal(d.kpis.length, 2);
  assert.equal(d.consensus.headline, "推荐 B 地块方案");
  assert.equal(d.charts.length, 2);
  assert.equal(d.seats.length, 2);
  assert.deepEqual(d.seats[1].dependsOn, ["seat-1"]);
});

test("extractReportData：dependsOn 只保留真实存在的席位 id（剔除模型编造/自引用）", () => {
  const text = [
    "```report-json",
    JSON.stringify({
      title: "t",
      seats: [
        { id: "s1", name: "甲", dependsOn: ["s1", "s2", "ghost"] },
        { id: "s2", name: "乙", dependsOn: [] },
      ],
    }),
    "```",
  ].join("\n");
  const d = extractReportData(text)!;
  assert.deepEqual(d.seats[0].dependsOn, ["s2"]);
});

test("extractReportData：剥离 <think> 思考过程后再抽取（思考里的假 JSON 不干扰）", () => {
  // 思考块里故意混入一个会「像」契约但不该被采用的裸 JSON，正文才是真数据。
  const withThink = [
    "<think>",
    '我先草拟一版：{"title":"草稿不要用","seats":[{"id":"x","name":"废弃"}]}',
    "再想想……",
    "</think>",
    SAMPLE,
  ].join("\n");
  const d = extractReportData(withThink)!;
  assert.equal(d.title, "智能机房选址方案大屏");
  assert.equal(d.seats.length, 2);
});

test("extractReportData：只吐闭合 </think>（chat template 注入式）也能抽到正文", () => {
  const onlyClose = ["模型在此思考成本与风险……", "</think>", SAMPLE].join("\n");
  const d = extractReportData(onlyClose)!;
  assert.equal(d.title, "智能机房选址方案大屏");
});

test("extractReportData：流式未闭合 <think> 尾段不被误抽（返回 null）", () => {
  // 正文还没出，模型还在思考里写了半个 JSON —— 不应抽出数据。
  const streaming = '正文前导\n<think>我打算输出 {"title":"在想","seats":[{"id":"a","name":"甲"';
  assert.equal(extractReportData(streaming), null);
});

test("extractReportData：无 fence / 坏 JSON / 空数据返回 null", () => {
  assert.equal(extractReportData("没有数据块"), null);
  assert.equal(extractReportData("```report-json\n{broken\n```"), null);
  assert.equal(extractReportData("```report-json\n{}\n```"), null);
  assert.equal(extractReportData(null), null);
});

test("renderDashboardHtml：完整文档 + marker + 总览/席位多页 + :target 导航", () => {
  const d = extractReportData(SAMPLE)!;
  const html = renderDashboardHtml(d, { generatedAt: "2026-06-13 10:00" });
  assert.ok(html.startsWith("<!doctype html>"));
  assert.ok(html.includes(RT_DASHBOARD_MARKER));
  assert.ok(html.trimEnd().endsWith("</html>"));
  assert.ok(isDashboardHtml(html));
  // 多页结构：总览 + 每席位一页
  assert.ok(html.includes('id="overview"'));
  assert.ok(html.includes('id="seat-1"'));
  assert.ok(html.includes('id="seat-2"'));
  // 纯 CSS :target 导航（零 JS：无 allow-scripts 沙箱也能切页）
  assert.ok(html.includes(".page:target"));
  assert.ok(!html.includes("<script"));
  // 席位卡片跳转 + 依赖互相跳转（方案设计 依赖→ 情报收集）
  assert.ok(html.includes('href="#seat-2"'));
  assert.ok(html.includes('class="dep" href="#seat-1"'));
  // 反向「被依赖」chip（情报收集页里出现 方案设计 ← 承接）
  assert.ok(html.includes("承接本席位"));
  // 共识详情纯 CSS 弹窗
  assert.ok(html.includes('id="consensus-modal"'));
  // 图表 SVG 由模板生成
  assert.ok(html.includes("<svg"));
});

test("renderDashboardHtml：主题跟随 —— dark=深蓝规范 / light=浅红规范", () => {
  const d = extractReportData(SAMPLE)!;
  const dark = renderDashboardHtml(d, { theme: "dark" });
  // 深蓝规范：页面 #0C1836 / 卡片 #122347 / 主色 #1677FF（tokens.css §1）
  assert.ok(dark.includes("#0C1836"));
  assert.ok(dark.includes("#122347"));
  assert.ok(dark.includes("#1677FF"));
  const light = renderDashboardHtml(d, { theme: "light" });
  // 蓝图工程图风（参考设计图）：页面 #F8FAFC / 玫瑰红主色 #E11D48 / slate 文字
  assert.ok(light.includes("#F8FAFC"));
  assert.ok(light.includes("#E11D48"));
  assert.ok(light.includes("#1E293B"));
  assert.ok(!light.includes("#0C1836"));
  // 缺省 = dark（向后兼容）
  const def = renderDashboardHtml(d);
  assert.ok(def.includes("#0C1836"));
});

test("renderDashboardHtml：模型文本全部 HTML 转义（防注入/破版）", () => {
  const text = [
    "```report-json",
    JSON.stringify({
      title: '<img src=x onerror=alert(1)>',
      seats: [{ id: "s1", name: "甲<b>", summary: 'a"b<c>', dependsOn: [] }],
      consensus: { headline: "<script>bad()</script>", points: [] },
    }),
    "```",
  ].join("\n");
  const d = extractReportData(text)!;
  const html = renderDashboardHtml(d);
  assert.ok(!html.includes("<img src=x"));
  assert.ok(!html.includes("<script>bad"));
  assert.ok(html.includes("&lt;script&gt;bad()&lt;/script&gt;"));
});

test("stripReportFence：闭合块替换为引导语；未闭合（流式中）用「正在输出」措辞", () => {
  const done = stripReportFence(SAMPLE, false);
  assert.ok(done.includes("已生成大屏数据"));
  assert.ok(!done.includes("```report-json"));
  const streaming = stripReportFence('说明\n```report-json\n{"title":', true);
  assert.ok(streaming.includes("正在输出大屏结构化数据"));
  assert.ok(!streaming.includes("```report-json"));
  // 无 fence 原样返回
  assert.equal(stripReportFence("普通文字", false), "普通文字");
});

test("buildDashboardPrompt：禁工具声明 + 原料齐全 + 契约说明", () => {
  const prompt = buildDashboardPrompt({
    intentText: "选址决策",
    seatDeliveries: [{ sender: "情报收集", content: "三地数据" }],
    consensusText: "推荐 B 地块",
  });
  assert.ok(prompt.includes("不要调用任何工具"));
  assert.ok(prompt.includes("选址决策"));
  assert.ok(prompt.includes("情报收集") && prompt.includes("三地数据"));
  assert.ok(prompt.includes("推荐 B 地块"));
  assert.ok(prompt.includes("```report-json"));
  assert.ok(prompt.includes("dependsOn"));
});