/**
 * 一次性 E2E 验证:authorize -> ingest 发送带 HTML 正文的邮件,
 * 等 webhook 投递后检查 receiver 收到的 payload 是否包含 markdown 字段。
 */

import { signWorkerRequest, generateWmailKey } from "../shared/src/index.ts";

const CONSOLE = "http://127.0.0.1:18787";

/** # 函数
 * 登录拿会话 cookie
 */
async function login(): Promise<string> {
  const resp = await fetch(`${CONSOLE}/api/auth/login`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ username: "admin", password: "admin" }),
  });
  const setCookie = resp.headers.get("Set-Cookie") ?? "";
  return /wmh_session=[^;]+/.exec(setCookie)?.[0] ?? "";
}

const cookie = await login();
if (!cookie) throw new Error("login failed");

/** 取 worker secret(签名用) */
const secretResp = await fetch(`${CONSOLE}/api/accounts`, { headers: { Cookie: cookie } });
const accounts = (await secretResp.json()) as { items: { id: string; status: string }[] };
const account = accounts.items.find((a) => a.status === "active");
if (!account) throw new Error("no active account");
const wsResp = await fetch(`${CONSOLE}/api/accounts/${account.id}/worker-secret`, { headers: { Cookie: cookie } });
const { worker_id, secret } = (await wsResp.json()) as { worker_id: string; secret: string };
console.log("worker:", worker_id, "secret:", secret.slice(0, 8) + "…");

/** 带结构化 HTML 的测试邮件(标题/加粗/链接/列表/表格) */
const mime = [
  "From: E2E <e2e@example.org>",
  "To: hello@example.test",
  "Subject: Markdown 全链测试",
  "Message-ID: <md-e2e-1@example.org>",
  "MIME-Version: 1.0",
  'Content-Type: text/html; charset="utf-8"',
  "",
  "<html><body><h2>升级通知</h2><p>您的配额已 <b>用尽</b>,请前往 <a href=\"https://example.com/billing\">账单页</a> 处理。</p>",
  "<ul><li>方案 A</li><li>方案 B</li></ul>",
  "<table><tr><th>项目</th><th>用量</th></tr><tr><td>存储</td><td>98%</td></tr></table></body></html>",
  "",
].join("\r\n");

const recipient = "hello@example.test";
const sender = "e2e@example.org";

// Phase 1: authorize
const auth = await signWorkerRequest(secret, worker_id, "POST", `${CONSOLE}/internal/email/authorize`,
  JSON.stringify({ recipient, sender, message_id: "md-e2e-1@example.org" }));
const authResp = await fetch(`${CONSOLE}/internal/email/authorize`, {
  method: "POST",
  headers: { ...auth, "Content-Type": "application/json" },
  body: JSON.stringify({ recipient, sender, message_id: "md-e2e-1@example.org" }),
});
const decision = (await authResp.json()) as { decision: string };
console.log("authorize:", authResp.status, JSON.stringify(decision));
if (decision.decision !== "accept") throw new Error("not accepted");

// Phase 2: ingest(raw MIME)
const ingestAuth = await signWorkerRequest(secret, worker_id, "POST", `${CONSOLE}/internal/email/ingest`, mime);
const ingestResp = await fetch(`${CONSOLE}/internal/email/ingest`, {
  method: "POST",
  headers: {
    ...ingestAuth,
    "Content-Type": "message/rfc822",
    "X-WmailHub-Recipient": recipient,
    "X-WmailHub-Sender": sender,
  },
  body: mime,
});
const ingestData = (await ingestResp.json()) as { ok: boolean; id: string; webhook: string | null };
console.log("ingest:", ingestResp.status, JSON.stringify(ingestData));

// 触发 cron 投递
const cron = await fetch(`${CONSOLE}/api/admin/cron/run`, { method: "POST", headers: { Cookie: cookie } });
console.log("cron:", cron.status, JSON.stringify(await cron.json()));

// 检查 receiver 侧收到的 payload(直接查库里这条邮件的 markdown_body + receiver 日志)
const detail = await fetch(`${CONSOLE}/api/emails/${ingestData.id}`, { headers: { Cookie: cookie } });
const emailDetail = (await detail.json()) as { email: { markdown_body: string | null; subject: string } };
console.log("markdown_body from DB:", JSON.stringify(emailDetail.email.markdown_body));
if (!emailDetail.email.markdown_body?.includes("**用尽**")) throw new Error("markdown missing bold");

// 等 receiver 落日志后抓最后一条校验 markdown 字段
await Bun.write("/tmp/last_payload_check.txt", "pending");
const tail = await Bun.file("/tmp/receiver.log").text();
const lines = tail.trim().split("\n").filter(Boolean);
const last = lines[lines.length - 1];
const payload = JSON.parse(last) as Record<string, unknown>;
console.log("receiver last:", JSON.stringify(payload).slice(0, 300));
const md = String(payload.markdown ?? "");
if (!md.includes("**用尽**") || !md.includes("98%")) {
  console.log("FULL MARKDOWN:", md);
  throw new Error("receiver payload missing markdown");
}
console.log("\n=== E2E OK: webhook payload 含完整 Markdown ===");