import { expect, test } from "bun:test";
import { forEachDialect } from "@sttracker/db/testing";
import { NotFoundError, ValidationError } from "../src/errors.ts";
import { getHistory, restoreVersion } from "../src/history.ts";
import {
  addListItem,
  createList,
  getList,
  listLists,
  moveListItem,
  removeListItem,
  softDeleteList,
  updateList,
} from "../src/lists.ts";
import { makeUser, makeWork } from "./user-layer-fixtures.ts";

forEachDialect("lists", (getDb) => {
  test("grouping list can be rated", async () => {
    const db = getDb();
    const userId = await makeUser(db);
    const g = await createList(db, userId, { name: "Silent Hill, everything", kind: "grouping", rating: 90, review: "Dread." });
    expect(g.kind).toBe("grouping");
    expect(g.rating).toBe(90);
    expect(g.review).toBe("Dread.");
    expect(g.visibility).toBe("private");
    const up = await updateList(db, userId, g.id, { rating: 95 });
    expect(up.rating).toBe(95);

    await expect(createList(db, userId, { name: "Plain", kind: "list", rating: 50 })).rejects.toThrow(ValidationError);
    await expect(createList(db, userId, { name: "Bad", kind: "grouping", rating: 101 })).rejects.toThrow(
      ValidationError,
    );
    await expect(updateList(db, userId, g.id, { kind: "thread" })).rejects.toThrow(ValidationError);
    await expect(createList(db, userId, { name: " " })).rejects.toThrow(ValidationError);
    await expect(createList(db, userId, { name: "x", kind: "box" as never })).rejects.toThrow(ValidationError);
  });

  test("items keep order through add, move and remove", async () => {
    const db = getDb();
    const userId = await makeUser(db);
    const l = await createList(db, userId, { name: "Cosmic dread", kind: "thread" });
    const [a, b, c] = [await makeWork(db, { title: "A" }), await makeWork(db, { title: "B" }), await makeWork(db, { title: "C" })];
    const ia = await addListItem(db, userId, l.id, { workId: a, note: "start here" });
    const ib = await addListItem(db, userId, l.id, { workId: b });
    const ic = await addListItem(db, userId, l.id, { workId: c });
    const titles = async () => (await getList(db, userId, l.id)).items.map((i) => i.work.title);
    expect(await titles()).toEqual(["A", "B", "C"]);
    expect((await getList(db, userId, l.id)).items[0]!.note).toBe("start here");

    await moveListItem(db, userId, ic.id, 0);
    expect(await titles()).toEqual(["C", "A", "B"]);
    await moveListItem(db, userId, ic.id, 99);
    expect(await titles()).toEqual(["A", "B", "C"]);
    await removeListItem(db, userId, ib.id);
    expect(await titles()).toEqual(["A", "C"]);
    expect((await getList(db, userId, l.id)).items.map((i) => i.position)).toEqual([0, 1]);

    const inserted = await addListItem(db, userId, l.id, { workId: b, position: 1 });
    expect(await titles()).toEqual(["A", "B", "C"]);
    expect(inserted.position).toBe(1);
    expect(ia.position).toBe(0);
  });

  test("removing an item is recorded and restorable", async () => {
    const db = getDb();
    const userId = await makeUser(db);
    const l = await createList(db, userId, { name: "Reading order" });
    await addListItem(db, userId, l.id, { workId: await makeWork(db, { title: "A" }) });
    const ib = await addListItem(db, userId, l.id, { workId: await makeWork(db, { title: "B" }) });
    await removeListItem(db, userId, ib.id);
    const [h] = await getHistory(db, userId, "list", l.id);
    await restoreVersion(db, userId, h!.id);
    expect((await getList(db, userId, l.id)).items.map((i) => i.work.title)).toEqual(["A", "B"]);
  });

  test("listLists and soft delete", async () => {
    const db = getDb();
    const userId = await makeUser(db);
    const l1 = await createList(db, userId, { name: "One" });
    const l2 = await createList(db, userId, { name: "Two", kind: "grouping" });
    expect((await listLists(db, userId)).map((l) => l.id).sort()).toEqual([l1.id, l2.id].sort());
    expect((await listLists(db, userId, { kind: "grouping" })).map((l) => l.id)).toEqual([l2.id]);
    await softDeleteList(db, userId, l1.id);
    expect((await listLists(db, userId)).map((l) => l.id)).toEqual([l2.id]);
    await expect(getList(db, userId, l1.id)).rejects.toThrow(NotFoundError);
  });

  test("another user's lists and private works are not found", async () => {
    const db = getDb();
    const ada = await makeUser(db);
    const bob = await makeUser(db, "bob");
    const l = await createList(db, ada, { name: "Mine" });
    const item = await addListItem(db, ada, l.id, { workId: await makeWork(db) });
    await expect(getList(db, bob, l.id)).rejects.toThrow(NotFoundError);
    await expect(updateList(db, bob, l.id, { name: "x" })).rejects.toThrow(NotFoundError);
    await expect(addListItem(db, bob, l.id, { workId: await makeWork(db) })).rejects.toThrow(NotFoundError);
    await expect(moveListItem(db, bob, item.id, 0)).rejects.toThrow(NotFoundError);
    await expect(removeListItem(db, bob, item.id)).rejects.toThrow(NotFoundError);
    expect(await listLists(db, bob)).toEqual([]);
    const adaPrivate = await makeWork(db, { ownerUserId: ada });
    const bobList = await createList(db, bob, { name: "Bob's" });
    await expect(addListItem(db, bob, bobList.id, { workId: adaPrivate })).rejects.toThrow(NotFoundError);
  });
});