import "../../setup.ts";
import { assertEquals } from "@std/assert";
import { DatabaseSync } from "node:sqlite";
import { up as up0011 } from "../../../db/migrations/0011_split_favicon_thumbnail.ts";
import { up as up0012 } from "../../../db/migrations/0012_fix_favicon_reclassification.ts";

const SCHEMA = Deno.readTextFileSync(
  new URL("../../../db/schema.sql", import.meta.url),
);

function freshDb(): DatabaseSync {
  const db = new DatabaseSync(":memory:");
  db.exec(SCHEMA);
  return db;
}

function insertRich(db: DatabaseSync, id: string, url: string, rich: unknown) {
  db.prepare(
    `INSERT INTO users (id, username, password_hash, created_at, email)
     VALUES ('u', 'u', 'x', 'now', 'u@x') ON CONFLICT DO NOTHING;`,
  ).run();
  db.prepare(
    `INSERT INTO dumps (id, kind, title, user_id, created_at, url, rich_content)
     VALUES (?, 'url', 't', 'u', 'now', ?, ?);`,
  ).run(id, url, typeof rich === "string" ? rich : JSON.stringify(rich));
}

function richOf(db: DatabaseSync, id: string): Record<string, unknown> {
  return JSON.parse(
    (db.prepare(`SELECT rich_content FROM dumps WHERE id = ?;`).get(id) as {
      rich_content: string;
    }).rich_content,
  );
}

Deno.test("0011 then 0012: icons move to faviconUrl, artwork stays or comes back", () => {
  const db = freshDb();
  const cases: Record<
    string,
    [string, string | undefined, string | undefined]
  > = {
    // id: [thumbnailUrl before, thumbnailUrl after, faviconUrl after]
    ico: [
      "https://a.test/favicon.ico",
      undefined,
      "https://a.test/favicon.ico",
    ],
    touch: [
      "https://a.test/apple-touch-icon.png",
      undefined,
      "https://a.test/apple-touch-icon.png",
    ],
    art: ["https://a.test/cover.jpg", "https://a.test/cover.jpg", undefined],
    // 0011 mistook these for icons; 0012 puts them back.
    logoFavicon: [
      "https://a.test/uploads/mir-logo-favicon.png",
      "https://a.test/uploads/mir-logo-favicon.png",
      undefined,
    ],
    svgArt: [
      "https://a.test/art/poster.svg",
      "https://a.test/art/poster.svg",
      undefined,
    ],
    // 0011 missed this one; 0012 catches it.
    iconName: [
      "https://a.test/img/icon_SEARCH.png",
      undefined,
      "https://a.test/img/icon_SEARCH.png",
    ],
  };
  for (const [id, [thumbnailUrl]] of Object.entries(cases)) {
    insertRich(db, id, "https://a.test/", {
      type: "generic",
      url: "u",
      thumbnailUrl,
    });
  }
  up0011(db);
  up0011(db);
  up0012(db);
  up0012(db);
  for (const [id, [, thumbnailUrl, faviconUrl]] of Object.entries(cases)) {
    const rich = richOf(db, id);
    assertEquals([rich.thumbnailUrl, rich.faviconUrl], [
      thumbnailUrl,
      faviconUrl,
    ], id);
  }
  db.close();
});