import { existsSync, readFileSync } from "node:fs";
import type { AddressInfo } from "node:net";
import type { Server } from "node:http";
import { join } from "node:path";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { parseTokens } from "../../content/src/config.ts";
import { createHttpServer } from "../../content/src/http.ts";
import { book, rig, type Rig } from "../../content/test/helpers.ts";
import { ContentApi } from "../src/client.ts";
import { createAdminServer } from "../src/server.ts";

const ADMIN = "d".repeat(24);
let r: Rig;
let content: Server;
let admin: Server;
let base: string;

const listen = async (s: Server) => {
  await new Promise<void>((ok) => s.listen(0, "127.0.0.1", ok));
  return `http://127.0.0.1:${(s.address() as AddressInfo).port}`;
};

beforeAll(async () => {
  r = rig();
  r.put({ type: "status-kinds", title: "Status kinds", publish: true, kinds: [{ label: "Reading", icon: "book" }, { label: "Playing", icon: "dice" }] });
  r.put(
    {
      type: "store-settings",
      title: "Store settings",
      publish: true,
      categories: [
        { name: "Tabletop", ordersOpen: true, turnaround: "2 weeks" },
        { name: "Paper", ordersOpen: false },
      ],
    },
  );
  r.put({
    type: "product-line",
    title: "Proxy cards",
    publish: true,
    category: "Tabletop",
    mode: "made to order",
    channel: "here",
    summary: "Cards.",
    slots: { open: 3, total: 5 },
    priceTiers: [{ band: "1-10", price: "$1" }],
  });
  r.put(book("Mistborn"), "Allomancy.");
  r.service.scan();
  content = createHttpServer(r.service, { tokens: parseTokens(`admin:${ADMIN}`) });
  const contentUrl = await listen(content);
  admin = createAdminServer(new ContentApi(contentUrl, ADMIN), { now: () => new Date("2026-10-11T12:00:00Z") });
  base = await listen(admin);
});
afterAll(() => {
  admin.close();
  content.close();
  r.done();
});

const get = async (path: string) => {
  const res = await fetch(base + path, { redirect: "manual" });
  return { status: res.status, text: await res.text(), location: res.headers.get("location") };
};
const post = async (path: string, form: Record<string, string>, headers: Record<string, string> = {}) => {
  const res = await fetch(base + path, {
    method: "POST",
    redirect: "manual",
    headers: { "content-type": "application/x-www-form-urlencoded", "sec-fetch-site": "same-origin", ...headers },
    body: new URLSearchParams(form).toString(),
  });
  return { status: res.status, location: res.headers.get("location") ?? "", text: await res.text() };
};

describe("admin page", () => {
  it("shows the overview", async () => {
    const page = await get("/");
    expect(page.status).toBe(200);
    expect(page.text).toContain("live notes of 4");
    expect(page.text).toContain("No sync job has reported yet");
  });

  it("refuses a form posted from another site", async () => {
    expect((await post("/scan", {}, { "sec-fetch-site": "cross-site" })).status).toBe(403);
  });

  it("captures a Library item with a status, written into the vault", async () => {
    const res = await post("/capture/library", { title: "Warbreaker", medium: "book", state: "now", publish: "1", alsoStatus: "1", kind: "Reading" });
    expect(res.location).toContain("msg=");
    expect(existsSync(join(r.site, "Library/Books/Warbreaker.md"))).toBe(true);
    const status = r.store.list({ type: "status" })[0]!;
    expect(status.data).toMatchObject({ kind: "Reading", subject: "[[Warbreaker]]", date: "2026-10-11" });
    expect(status.author).toBe("admin");
  });

  it("sends a rejected capture back with the reasons", async () => {
    const res = await post("/capture/library", { title: "Warbreaker", medium: "book", state: "now" });
    expect(res.location).toMatch(/err=.*r=/);
  });

  it("reviews a held change with a diff and accepts it", async () => {
    const o = r.service.apply({ op: "update", path: "Library/Books/Mistborn.md", fields: { verdict: "A heist." } }, "agent");
    expect(o.status).toBe("held");
    const id = o.status === "held" ? o.held.id : 0;
    const list = await get("/review");
    expect(list.text).toContain(`/review/${id}`);
    const one = await get(`/review/${id}`);
    expect(one.text).toContain('<div class="add">verdict: A heist.</div>');
    expect(one.text).toContain("agent-edit");
    const res = await post(`/review/${id}/accept`, {});
    expect(res.location).toContain("Accepted");
    expect(readFileSync(join(r.site, "Library/Books/Mistborn.md"), "utf8")).toContain("verdict: A heist.");
  });

  it("previews a note, shows its history and rolls it back", async () => {
    const page = await get("/note?path=Library%2FBooks%2FMistborn.md");
    expect(page.text).toContain("<p>Allomancy.</p>");
    expect(page.text).toContain("Compare and roll back");
    const rev = await get("/note/revision?path=Library%2FBooks%2FMistborn.md&rev=1");
    expect(rev.text).toContain('<div class="remove">verdict: A heist.</div>');
    await post("/note/rollback", { path: "Library/Books/Mistborn.md", rev: "1" });
    expect(r.store.get("Library/Books/Mistborn.md")!.data.verdict).toBeUndefined();
  });

  it("publishes a draft", async () => {
    r.put(book("Elantris", { publish: false }));
    r.service.scan();
    expect((await get("/drafts")).text).toContain("Elantris");
    await post("/note/publish", { path: "Library/Books/Elantris.md", publish: "1" });
    expect(r.store.get("Library/Books/Elantris.md")!.publish).toBe(true);
  });

  it("opens and closes orders and sets slots", async () => {
    expect((await get("/store")).text).toContain("Proxy cards");
    await post("/store/category", { name: "Paper", ordersOpen: "1", turnaround: "3 weeks" });
    await post("/store/category", { name: "Tabletop" });
    const cats = r.store.get("Store/_settings.md")!.data.categories;
    expect(cats).toEqual([
      { name: "Tabletop", ordersOpen: false },
      { name: "Paper", ordersOpen: true, turnaround: "3 weeks" },
    ]);
    await post("/store/stock", { path: "Store/Lines/Proxy cards.md", open: "1" });
    expect(r.store.get("Store/Lines/Proxy cards.md")!.data.slots).toEqual({ open: 1, total: 5 });
  });

  it("shows sync jobs once they report", async () => {
    r.store.reportSync({ job: "personalreader", at: "2026-10-11T11:00:00Z", ok: false, message: "Suwayomi did not answer", counts: { updated: 0 } });
    const page = await get("/");
    expect(page.text).toContain("personalreader");
    expect(page.text).toContain("Suwayomi did not answer");
  });

  it("edits a page's text and images from Site pages", async () => {
    const site = await get("/site");
    expect(site.text).toContain("Add page text");
    expect((await get("/edit/new?type=page&page=%2Fabout&title=About")).text).toContain('value="/about"');

    // A tiny PNG: the content service checks the file's first bytes.
    const png = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0, 0, 0, 0]);
    const fd = new FormData();
    for (const [k, v] of Object.entries({ type: "page", title: "About", page: "/about", lede: "Maker of things", "has.publish": "1", publish: "1", "photos.0.file": "", "photos.0.alt": "" })) fd.append(k, v);
    fd.append("upload.portrait", new Blob([png], { type: "image/png" }), "Greg Portrait.png");
    const res = await fetch(base + "/edit/save", { method: "POST", redirect: "manual", headers: { "sec-fetch-site": "same-origin" }, body: fd });
    expect(res.status).toBe(303);
    const note = r.store.list({ type: "page" }).find((n) => n.data.page === "/about")!;
    expect(note.data).toMatchObject({ lede: "Maker of things", portrait: "[[greg-portrait.png]]" });
    expect(note.publish).toBe(true);
    expect((await get("/site")).text).toContain("/attachments/greg-portrait.png");

    // Clearing a field removes it; a reorder only redraws the form.
    await post("/edit/save", { type: "page", path: note.path, title: "About", page: "/about", lede: "", portrait: "greg-portrait.png", "has.publish": "1", publish: "1" });
    expect(r.store.get(note.path)!.data.lede).toBeUndefined();
    const moved = await post("/edit/save", {
      type: "page",
      path: note.path,
      title: "About",
      page: "/about",
      "photos.0.file": "a.jpg",
      "photos.0.alt": "A",
      "photos.1.file": "b.jpg",
      "photos.1.alt": "B",
      move: "photos:1:up",
    });
    expect(moved.status).toBe(200);
    expect(moved.text.indexOf('value="b.jpg"')).toBeLessThan(moved.text.indexOf('value="a.jpg"'));
    expect(r.store.get(note.path)!.data.photos).toBeUndefined();
  });
});