import "../../setup.ts";
import { assertEquals } from "@std/assert";
import { DatabaseSync } from "node:sqlite";
import { up as up0010 } from "../../../db/migrations/0010_youtube_embed_start.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("0010: adds the start offset to YouTube embeds that lost it", () => {
  const db = freshDb();
  const embed = "https://www.youtube.com/embed/abc?rel=0";
  insertRich(db, "hms", "https://youtu.be/abc?t=1h2m3s", {
    type: "youtube",
    embedUrl: embed,
  });
  insertRich(db, "plain", "https://youtu.be/abc?start=42", {
    type: "youtube",
    embedUrl: embed,
  });
  insertRich(db, "none", "https://youtu.be/abc", {
    type: "youtube",
    embedUrl: embed,
  });
  insertRich(db, "has", "https://youtu.be/abc?t=5", {
    type: "youtube",
    embedUrl: `${embed}&start=9`,
  });
  insertRich(db, "other", "https://example.com/?t=5", {
    type: "generic",
    embedUrl: embed,
  });
  insertRich(db, "bad", "https://youtu.be/abc?t=5", "{not json");
  up0010(db);
  up0010(db);
  assertEquals(richOf(db, "hms").embedUrl, `${embed}&start=3723`);
  assertEquals(richOf(db, "plain").embedUrl, `${embed}&start=42`);
  assertEquals(richOf(db, "none").embedUrl, embed);
  assertEquals(richOf(db, "has").embedUrl, `${embed}&start=9`);
  assertEquals(richOf(db, "other").embedUrl, embed);
  db.close();
});