import { expect, test } from "bun:test";
import { allowedFetchHosts, findSource } from "../src/core/sources/registry";
import { SourceError } from "../src/core/sources/source";
import { webtoons } from "../src/core/sources/webtoons";
import { FakeTransport, text } from "./helpers/fake-transport";
import { fixtureText } from "./helpers/fixtures";

const TOG = "https://www.webtoons.com/-/-/-/list?title_no=95";

test("resolve fetches the /-/-/-/ form and reads the canonical page", async () => {
  const fake = new FakeTransport().on(TOG, async () => text(await fixtureText("webtoons/tower-of-god.html")));
  const series = await webtoons.resolve(new URL("https://m.webtoons.com/en/made-up-slug/list?title_no=95"), { transport: fake });
  expect(fake.urls()).toEqual([TOG]);
  expect(series).toEqual({
    source: "webtoons",
    externalId: "95",
    title: "Tower of God",
    language: "en",
    canonicalUrl: "https://www.webtoons.com/en/fantasy/tower-of-god/list?title_no=95",
    archiveUrls: [
      "www.webtoons.com/en/fantasy/tower-of-god/list?title_no=95",
      "m.webtoons.com/en/fantasy/tower-of-god/list?title_no=95",
    ],
    mature: false,
    flags: { canvas: false },
  });
});

test("currentCovers reuses the page fetched by resolve and marks covers current", async () => {
  const fake = new FakeTransport().on(TOG, async () => text(await fixtureText("webtoons/tower-of-god.html")));
  const series = await webtoons.resolve(new URL(TOG), { transport: fake });
  const covers = await webtoons.currentCovers(series, { transport: fake });
  expect(fake.calls.length).toBe(1);
  expect(covers.map((c) => c.role)).toEqual(["poster", "square", "banner", "foreground"]);
  expect(covers.every((c) => c.current)).toBe(true);
});

test("canvas and mature flags come through", async () => {
  const fake = new FakeTransport()
    .on("https://www.webtoons.com/-/canvas/-/list?title_no=693372", async () => text(await fixtureText("webtoons/crow-time-canvas.html")))
    .on("https://www.webtoons.com/-/-/-/list?title_no=6065", async () => text(await fixtureText("webtoons/zombie-revelation-mature.html")));
  const canvas = await webtoons.resolve(new URL("https://www.webtoons.com/en/canvas/crow-time/list?title_no=693372"), { transport: fake });
  expect(canvas.flags.canvas).toBe(true);
  const mature = await webtoons.resolve(new URL("https://www.webtoons.com/-/-/-/list?title_no=6065"), { transport: fake });
  expect(mature.mature).toBe(true);
});

test("a canvas series linked in the /-/-/-/ form: the official form 404s, the canvas form is tried", async () => {
  const fake = new FakeTransport()
    .on("https://www.webtoons.com/-/-/-/list?title_no=693372", () => text("not found", 404))
    .on("https://www.webtoons.com/-/canvas/-/list?title_no=693372", async () => text(await fixtureText("webtoons/crow-time-canvas.html")));
  const series = await webtoons.resolve(new URL("https://www.webtoons.com/-/-/-/list?title_no=693372"), { transport: fake });
  expect(fake.urls()).toEqual([
    "https://www.webtoons.com/-/-/-/list?title_no=693372",
    "https://www.webtoons.com/-/canvas/-/list?title_no=693372",
  ]);
  expect(series.flags.canvas).toBe(true);
  expect(series.canonicalUrl).toContain("/en/canvas/crow-time/");
});

test("a Webtoons error is a SourceError with the status", async () => {
  const fake = new FakeTransport().on(() => true, () => text("gone", 404));
  await expect(webtoons.resolve(new URL(TOG), { transport: fake })).rejects.toThrow(SourceError);
  await expect(webtoons.resolve(new URL(TOG), { transport: fake })).rejects.toThrow(/404/);
});

test("registry finds the source and builds the proxy allowlist", () => {
  expect(findSource(new URL("https://www.webtoons.com/en/x/list?title_no=1"))).toBe(webtoons);
  expect(findSource(new URL("https://tapas.io/series/x"))).toBeUndefined();
  expect([...allowedFetchHosts()].sort()).toEqual(
    ["m.webtoons.com", "swebtoon-phinf.pstatic.net", "web.archive.org", "www.webtoons.com"]);
});

test("isSameSeries checks title_no", () => {
  const series = { externalId: "95" } as Parameters<typeof webtoons.isSameSeries>[1];
  expect(webtoons.isSameSeries("https://www.webtoons.com/-/-/-/list?title_no=95", series)).toBe(true);
  expect(webtoons.isSameSeries("https://www.webtoons.com/-/-/-/list?title_no=318", series)).toBe(false);
});