// Isolated database only; no fixture accounts or scores enter the real board.
import assert from "node:assert/strict";
import { readFile, readdir } from "node:fs/promises";
import { PGlite } from "../.data/sql-verification/node_modules/@electric-sql/pglite/dist/index.js";

const db = new PGlite();
try {
  await db.exec(`create role anon; create role authenticated; create role service_role;
    create schema auth; create table auth.users(id uuid primary key);
    create function auth.uid() returns uuid language sql as $$ select null::uuid $$;
    create schema storage; create table storage.buckets(id text primary key,name text,public boolean,file_size_limit bigint);`);
  for (const file of (await readdir("supabase/migrations"))
    .filter((file) => file.endsWith(".sql"))
    .sort()) {
    await db.exec(await readFile(`supabase/migrations/${file}`, "utf8"));
  }
  async function board(difficulty = "all", search = "", page = 1, limit = 25) {
    return (
      await db.query("select public.player_leaderboard($1,$2,$3,$4) as board", [
        difficulty,
        search,
        page,
        limit,
      ])
    ).rows[0].board;
  }
  assert.deepEqual((await board()).entries, []);
  assert.equal((await board()).page, 1);
  assert.equal((await board()).pages, 1);

  const ids = [];
  for (const name of ["Alice", "Bob", "Carol", "%_Miner"]) {
    const id = (
      await db.query(
        "insert into auth.users values(gen_random_uuid()) returning id",
      )
    ).rows[0].id;
    await db.query(
      "insert into public.profiles(id,display_name) values($1,$2)",
      [id, name],
    );
    ids.push(id);
  }
  const dataset = (
    await db.query(
      `insert into public.datasets(owner_id,name,source,bounds,state,panorama_count)
    values($1,'Leaderboard fixture','plugin','{"minX":0,"minZ":0,"maxX":64,"maxZ":64}','published',5) returning id`,
      [ids[0]],
    )
  ).rows[0].id;
  const revision = (
    await db.query(
      "insert into public.revisions(dataset_id,asset_root,manifest) values($1,'fixture','{}') returning id",
      [dataset],
    )
  ).rows[0].id;
  async function game(
    owner,
    difficulty,
    score,
    current = 5,
    missingResult = false,
  ) {
    const session = (
      await db.query(
        "insert into public.game_sessions(revision_id,owner_id,access_hash,difficulty,current_round) values($1,$2,'private-fixture-secret',$3,$4) returning id",
        [revision, owner, difficulty, current],
      )
    ).rows[0].id;
    for (let round = 0; round < 5; round++) {
      await db.query(
        "insert into public.game_rounds(session_id,round_number,viewpoint,result) values($1,$2,'{}',$3)",
        [
          session,
          round,
          missingResult && round === 4
            ? null
            : JSON.stringify({ score: score / 5 }),
        ],
      );
    }
  }
  await game(ids[0], "easy", 19000);
  await game(ids[0], "hard", 23000);
  await game(ids[1], "easy", 21000);
  await game(ids[1], "hard", 23000);
  await game(ids[2], "easy", 20000);
  await game(ids[2], "hard", 23000);
  await game(ids[2], "hard", 23000);
  await game(ids[3], "easy", 5000);
  await game(null, "easy", 25000);
  await game(ids[0], "normal", 25000, 4);
  await game(ids[0], "normal", 25000, 5, true);

  const all = await board();
  assert.equal(all.total_players, 4);
  assert.equal(all.total_games, 8);
  assert.deepEqual(
    all.entries.map((player) => player.display_name),
    ["Carol", "Bob", "Alice", "%_Miner"],
  );
  assert.equal(all.entries[0].average_score, 22000);
  assert.equal(all.entries[0].games_played, 3);
  assert.deepEqual(
    (await board("easy")).leaders.map((player) => player.display_name),
    ["Bob", "Carol", "Alice"],
  );
  assert.equal((await board("normal")).total_players, 0);
  assert.equal((await board("all", "alice")).entries[0].rank, 3);
  assert.equal((await board("all", "%_")).matching_players, 1);
  assert.equal((await board("all", "' OR 1=1--")).matching_players, 0);
  assert.equal((await board("all", "missing")).pages, 1);
  const last = await board("all", "", 999, 2);
  assert.equal(last.page, 2);
  assert.equal(last.pages, 2);
  assert.deepEqual(
    last.entries.map((player) => player.rank),
    [3, 4],
  );
  assert.equal((await board("all", "", -1, 2)).page, 1);
  assert.equal((await board("all", "", 1, 0)).entries.length, 1);
  assert.equal((await board(null, null, null, null)).page, 1);
  assert.equal(JSON.stringify(all).includes("private-fixture-secret"), false);
  assert.equal(JSON.stringify(all).includes("viewpoint"), false);
  for (const role of ["anon", "authenticated", "service_role"]) {
    const result = await db.query(
      "select has_function_privilege($1,'public.player_leaderboard(text,text,integer,integer)','execute') as allowed",
      [role],
    );
    assert.equal(result.rows[0].allowed, role === "service_role");
  }
  console.log(
    "Leaderboard SQL passed: empty board, completed games, guests, ranking ties, difficulty, literal search, pagination, and server-only permissions.",
  );
} finally {
  await db.close();
}