import assert from "node:assert/strict";
import { test } from "node:test";
import { mkdtempSync, rmSync } from "node:fs";
import os from "node:os";
import path from "node:path";
import { openGameDatabase } from "./database.mjs";
import { createDungeonRaceService } from "./dungeon-race-service.mjs";
import { botOpponent, botProgress, botTierForRecord, hashRaceSeed, raceAffixPace, rollRaceAffixes } from "./dungeon-race-rules.mjs";
import { createGameServer } from "./server.mjs";
import { createDungeonRaceRepository } from "./dungeon-races.mjs";
import { DatabaseSync } from "node:sqlite";
import catalog from "../src/game/generated/dungeonLeaderboardCatalog.generated.json" with { type: "json" };

const dungeon = catalog.dungeons.find((entry) => entry.id === "bite-sized-stormwind-stockade");
const bossIdsFor = (match) => {
  const difficulty = catalog.dungeons.find((entry) => entry.id === match.dungeonId)
    .difficulties.find((entry) => entry.id === match.difficultyId);
  const ids = difficulty.finalBossIds ?? [difficulty.finalBossId];
  const seed = match.dungeonId.startsWith("randomized-bite-sized-")
    ? `${match.seed}:boss` : match.seed;
  return [ids[hashRaceSeed(seed) % ids.length]];
};
const combatLogFor = (match, completed) => ({
  version: 1, runId: match.seed, dungeonId: match.dungeonId, durationMs: 1_000, completed,
  events: [{ atMs: 100, kind: "damage", source: "player", target: "mob-1",
    ability: "test-aoe", raw: 100, effective: 90, overheal: 0, absorbed: 10, critical: false }],
  droppedEventCount: 0,
  kills: [{ id: "mob-1", name: "Mob One", boss: false, maxHealth: 90,
    engagedAtMs: 100, firstDamageAtMs: 100, diedAtMs: 500, durationMs: 400 }],
  packs: [{ startedAtMs: 100, endedAtMs: 500, durationMs: 400, mobIds: ["mob-1"],
    partyDamage: [{ actorId: "player", damage: 90 }] }],
  droppedKillCount: 0,
  party: [{ actorId: "player", label: "Player", classId: "priest", level: 60, role: "healer" }],
  partyDamage: [{ actorId: "player", damage: 90 }],
});

test("NPC tiers follow rolling records with seeded adjacent variation and milestones", () => {
  for (const seed of ["race-tier-a", "race-tier-b", "race-tier-c", "race-tier-d"]) {
    assert.ok(["novice", "regular", "veteran"].includes(botTierForRecord(0, 0, seed)));
    assert.ok(["novice", "regular"].includes(botTierForRecord(0, 20, seed)));
    assert.ok(["veteran", "elite"].includes(botTierForRecord(20, 0, seed)));
    const bot = botOpponent(seed, "regular", "rom");
    assert.equal(bot.roster.length, 5);
    assert.equal(botProgress(0, bot), 0);
    assert.equal(botProgress(bot.finishMs, bot), 100);
    assert.ok(botProgress(bot.finishMs / 2, bot) > 48);
  }
});

test("a shared seed rolls one stable pair and scales an NPC's entire progress model", () => {
  const seed = "race-affix-parity";
  const pair = rollRaceAffixes(seed);
  assert.deepEqual(pair, rollRaceAffixes(seed));
  assert.equal(pair.length, 2);
  const plain = botOpponent(seed, "regular", "wow");
  const tuned = botOpponent(seed, "regular", "wow", pair);
  assert.equal(tuned.finishMs, Math.round(plain.finishMs * raceAffixPace(pair)));
  assert.equal(tuned.milestones.at(-1).atMs, tuned.finishMs);
});

test("migrates existing race matches onto their seeded boss boards", () => {
  const database = new DatabaseSync(":memory:");
  try {
    database.exec(`CREATE TABLE accounts (id TEXT PRIMARY KEY);
      CREATE TABLE dungeon_race_matches (id TEXT PRIMARY KEY, dungeon_id TEXT NOT NULL,
        seed TEXT NOT NULL, difficulty_id TEXT NOT NULL, boss_difficulty INTEGER NOT NULL,
        status TEXT NOT NULL, created_at INTEGER NOT NULL, start_at INTEGER, settled_at INTEGER,
        winner_side INTEGER, bot_json TEXT)`);
    const insert = database.prepare(`INSERT INTO dungeon_race_matches
      (id, dungeon_id, seed, difficulty_id, boss_difficulty, status, created_at, settled_at)
      VALUES (?, ?, ?, ?, 1, 'settled', 1, 2)`);
    const dungeonIds = ["bite-sized-stormwind-stockade", "randomized-bite-sized-stormwind-stockade",
      "randomized-bite-sized-stormwind-stockade-available",
      "bite-sized-wailing-caverns", "bite-sized-deadmines-ship", "bite-sized-utgarde-pinnacle-skadi",
      "bite-sized-forsaken-abbey-ancalon", "bite-sized-paspers-shrine-hafiz", "bite-sized-mystic-altar-golem",
      "bite-sized-grafu-castle-barkud", "bite-sized-barren-caves-anglo",
      "bite-sized-hoto-teeth", "bite-sized-kawaks-tomb-linobia", "bite-sized-hall-of-survivors-pursuer"];
    for (const dungeonId of dungeonIds) insert.run(`race-old-${dungeonId}`, dungeonId,
      `race-old-${dungeonId}`, dungeon.defaultDifficultyId);
    createDungeonRaceRepository(database, { ErrorType: Error });
    for (const dungeonId of dungeonIds) {
      const seed = `race-old-${dungeonId}`;
      assert.equal(database.prepare("SELECT boss_id FROM dungeon_race_matches WHERE id = ?").get(seed).boss_id,
        bossIdsFor({ dungeonId, difficultyId: dungeon.defaultDifficultyId, seed })[0]);
      assert.equal(database.prepare("SELECT affix_ids_json FROM dungeon_race_matches WHERE id = ?").get(seed).affix_ids_json, "[]");
    }
  } finally { database.close(); }
});

async function fixture(run) {
  const dataDir = mkdtempSync(path.join(os.tmpdir(), "healer-man-race-"));
  const database = openGameDatabase({ dataDir });
  let clock = Date.now();
  const service = createDungeonRaceService({ database, now: () => clock, autoPump: false });
  async function player(username, source = "wow") {
    const { account } = await database.register(username, "test-password");
    database.putCloudSave(account.id, { version: 2, characters: [{ id: `${username}-character`,
      name: username, categoryId: source, classId: source === "rom" ? "rom-priest" : "priest",
      specializationId: source === "rom" ? undefined : "priest:discipline", level: 30 }] });
    return account;
  }
  const advance = (duration) => { clock += duration; service.pump(); };
  try { await run({ database, service, player, advance, time: () => clock }); }
  finally { service.close(); database.close(); rmSync(dataDir, { recursive: true, force: true }); }
}

test("random and specific tickets pair across WoW and RoM, then a later losing clear still ranks", async () => fixture(async ({ database, service, player, advance, time }) => {
  const wow = await player("race_wow");
  const rom = await player("race_rom", "rom");
  assert.equal(service.queue(wow, { characterId: "race_wow-character", role: "healer", pool: "authored" }).status, "queued");
  const paired = service.queue(rom, { characterId: "race_rom-character", role: "healer", pool: "authored",
    dungeonId: dungeon.id });
  assert.equal(paired.status, "preparing");
  assert.equal(service.state(wow).seed, paired.seed);
  assert.deepEqual(service.state(wow).affixIds, paired.affixIds);
  assert.deepEqual(paired.affixIds, rollRaceAffixes(paired.seed));
  assert.equal(paired.opponent.source, "wow");
  service.ready(wow, paired.matchId);
  assert.equal(service.ready(rom, paired.matchId).status, "countdown");
  advance(3_000);
  assert.equal(service.state(wow).status, "active");
  const bossIds = bossIdsFor(paired);
  assert.throws(() => service.finish(wow, paired.matchId, { runId: paired.seed,
    bossIds: [dungeon.difficulties[0].finalBossIds.find((id) => id !== bossIds[0])] }), { status: 400 });
  const first = service.finish(wow, paired.matchId, { runId: paired.seed, bossIds });
  assert.equal(first.result, "win");
  assert.equal(service.state(rom).result, "loss");
  advance(1_000);
  const late = service.finish(rom, paired.matchId, { runId: paired.seed, bossIds });
  assert.equal(late.result, "loss");
  assert.equal(database.listDungeonRaceLeaderboard({ view: "wins", period: "30d" }, time()).entries[0].username, "race_wow");
  assert.equal(database.listDungeonRaceLeaderboard({ view: "times", period: "all", dungeonId: dungeon.id,
    bossId: bossIds[0] }, time()).total, 2);
  assert.deepEqual(database.listDungeonRaceLeaderboard({ view: "times", period: "all", dungeonId: dungeon.id,
    bossId: bossIds[0] }, time()).entries[0].affixIds, paired.affixIds);
  const otherBossId = dungeon.difficulties[0].finalBossIds.find((id) => id !== bossIds[0]);
  assert.equal(database.listDungeonRaceLeaderboard({ view: "times", period: "all", dungeonId: dungeon.id,
    bossId: otherBossId }, time()).total, 0);
  assert.equal(database.listDungeonRaceLeaderboard({ view: "wins", period: "all", dungeonId: dungeon.id,
    bossId: bossIds[0] }, time()).total, 2);
  assert.equal(service.finish(rom, paired.matchId, { runId: paired.seed, bossIds }).clearDurationMs, late.clearDurationMs);
}));

test("records a partial race log, upgrades it on clear, and scopes review to its participant", async () => fixture(async ({ database, service, player, advance, time }) => {
  const owner = await player("race_log_owner");
  const stranger = await player("race_log_stranger");
  service.queue(owner, { characterId: "race_log_owner-character", role: "healer", pool: "authored",
    dungeonId: dungeon.id });
  advance(5_000);
  const match = service.state(owner);
  service.ready(owner, match.matchId);
  advance(3_000);
  const partial = combatLogFor(match, false);
  assert.deepEqual(database.savePartialDungeonRaceCombatLog(match.matchId, owner.id, partial, time()),
    { ok: true, matchId: match.matchId, completed: false });
  assert.equal(database.getDungeonRaceCombatLog(owner, match.matchId).completed, false);
  assert.equal(database.getDungeonRaceCombatLog(owner, match.matchId).log.packs[0].durationMs, 400);
  assert.throws(() => database.getDungeonRaceCombatLog(stranger, match.matchId),
    { code: "race_combat_log_not_found" });
  assert.throws(() => database.listDungeonRaceCombatLogs(owner), { code: "gm_required" });
  assert.throws(() => database.savePartialDungeonRaceCombatLog(match.matchId, stranger.id,
    partial, time()), { code: "race_not_found" });
  assert.throws(() => service.finish(owner, match.matchId, { runId: match.seed,
    bossIds: bossIdsFor(match), combatLog: { ...combatLogFor(match, true), events: [{}] } }),
  { code: "invalid_race_combat_log" });
  service.finish(owner, match.matchId, { runId: match.seed, bossIds: bossIdsFor(match),
    combatLog: combatLogFor(match, true) });
  assert.equal(database.getDungeonRaceCombatLog(owner, match.matchId).completed, true);
  assert.equal(database.getDungeonRaceCombatLog(owner, match.matchId).log.events[0].ability, "test-aoe");
}));

test("both randomized creature pools validate and rank their cross-dungeon final boss", async () => fixture(async ({ database, service, player, advance, time }) => {
  for (const [index, dungeonId] of ["randomized-bite-sized-stormwind-stockade",
    "randomized-bite-sized-stormwind-stockade-available"].entries()) {
    const left = await player(`race_random_${index}_a`);
    const right = await player(`race_random_${index}_b`);
    service.queue(left, { characterId: `race_random_${index}_a-character`, role: "healer", pool: "randomized", dungeonId });
    const match = service.queue(right, { characterId: `race_random_${index}_b-character`, role: "healer", pool: "randomized", dungeonId });
    assert.equal(match.dungeonId, dungeonId);
    service.ready(left, match.matchId); service.ready(right, match.matchId);
    advance(3_000);
    const bossIds = bossIdsFor(match);
    assert.match(bossIds[0], /^randomized:(wow|rom):boss:/);
    const wrongBossId = catalog.dungeons.find((entry) => entry.id === dungeonId).difficulties[0]
      .finalBossIds.find((id) => id !== bossIds[0]);
    assert.throws(() => service.finish(left, match.matchId, { runId: match.seed, bossIds: [wrongBossId] }), { status: 400 });
    assert.equal(service.finish(left, match.matchId, { runId: match.seed, bossIds }).result, "win");
    assert.equal(database.listDungeonRaceLeaderboard({ view: "times", period: "all", dungeonId,
      bossId: bossIds[0], spotId: match.biteSizedSelection.spot.id, spotRevision: match.biteSizedSelection.spot.revision }, time()).total, 1);
  }
}));

test("five-second unmatched queue fills with a modeled NPC party", async () => fixture(async ({ database, service, player, advance, time }) => {
  const account = await player("race_solo");
  service.queue(account, { characterId: "race_solo-character", role: "healer", pool: "authored" });
  advance(4_999);
  assert.equal(service.state(account).status, "queued");
  advance(1);
  const state = service.state(account);
  assert.equal(state.status, "preparing");
  assert.equal(state.opponent.type, "bot");
  assert.equal(state.opponent.roster.length, 5);
  assert.equal(state.opponent.milestones.length, 5);
  service.ready(account, state.matchId);
  advance(3_000 + state.opponent.finishMs);
  assert.equal(service.state(account).result, "loss");
  assert.deepEqual(database.listDungeonRaceLeaderboard({ period: "all" }, time()).entries
    .map((entry) => ({ username: entry.username, wins: entry.wins, losses: entry.losses })),
  [{ username: "race_solo", wins: 0, losses: 1 }]);
}));

test("a missing human during preparation becomes a bot without charging the ready player", async () => fixture(async ({ service, player, advance }) => {
  const left = await player("race_ready");
  const right = await player("race_missing");
  service.queue(left, { characterId: "race_ready-character", role: "healer", pool: "authored" });
  const match = service.queue(right, { characterId: "race_missing-character", role: "healer", pool: "authored" });
  service.ready(left, match.matchId);
  advance(5 * 60_000);
  assert.equal(service.state(left).opponent.type, "bot");
  assert.equal(service.state(right).status, "idle");
  assert.equal(service.state(left).status, "countdown");
}));

test("leaving during the countdown replaces the rival without a result", async () => fixture(async ({ service, player, advance }) => {
  const left = await player("race_cancel_a");
  const right = await player("race_cancel_b");
  service.queue(left, { characterId: "race_cancel_a-character", role: "healer", pool: "authored" });
  const match = service.queue(right, { characterId: "race_cancel_b-character", role: "healer", pool: "authored" });
  service.ready(left, match.matchId); service.ready(right, match.matchId);
  assert.equal(service.leave(left, match.matchId).status, "idle");
  assert.equal(service.state(right).opponent.type, "bot");
  assert.equal(service.state(right).result, null);
  advance(3_000);
  assert.equal(service.state(right).status, "active");
}));

test("the 30-day window expires while all-time wins and times remain", async () => fixture(async ({ database, service, player, advance, time }) => {
  const left = await player("race_window_a");
  const right = await player("race_window_b");
  service.queue(left, { characterId: "race_window_a-character", role: "healer", pool: "authored" });
  const match = service.queue(right, { characterId: "race_window_b-character", role: "healer", pool: "authored" });
  service.ready(left, match.matchId); service.ready(right, match.matchId);
  advance(3_000);
  service.finish(left, match.matchId, { runId: match.seed, bossIds: bossIdsFor(match) });
  assert.equal(database.listDungeonRaceLeaderboard({ period: "30d" }, time()).total, 2);
  advance(30 * 24 * 60 * 60_000 + 1);
  assert.equal(database.listDungeonRaceLeaderboard({ period: "30d" }, time()).total, 0);
  assert.equal(database.listDungeonRaceLeaderboard({ period: "all" }, time()).total, 2);
}));

test("an active disconnect forfeits after the grace period and the other player can still clear", async () => fixture(async ({ service, player, advance }) => {
  const left = await player("race_drop_a");
  const right = await player("race_drop_b");
  service.queue(left, { characterId: "race_drop_a-character", role: "healer", pool: "authored" });
  const match = service.queue(right, { characterId: "race_drop_b-character", role: "healer", pool: "authored" });
  service.ready(left, match.matchId); service.ready(right, match.matchId);
  advance(3_000);
  service.state(right);
  advance(29_000);
  assert.equal(service.state(left).result, "loss");
  assert.equal(service.state(right).result, "win");
  assert.equal(service.finish(right, match.matchId, { runId: match.seed, bossIds: bossIdsFor(match) }).result, "win");
}));

test("production HTTP routes expose ranked queue and public boards without shelved modes", async () => {
  const dataDir = mkdtempSync(path.join(os.tmpdir(), "healer-man-race-http-"));
  const runtime = createGameServer({ dataDir, staticDir: dataDir, contentDir: dataDir, enableShelvedModes: false });
  await new Promise((resolve) => runtime.server.listen(0, "127.0.0.1", resolve));
  const base = `http://127.0.0.1:${runtime.server.address().port}`;
  try {
    const auth = await (await fetch(`${base}/api/auth/register`, { method: "POST",
      headers: { "Content-Type": "application/json" }, body: JSON.stringify({ username: "race_http", password: "test-password" }) })).json();
    const headers = { "Content-Type": "application/json", Authorization: `Bearer ${auth.token}` };
    await fetch(`${base}/api/cloud-save`, { method: "PUT", headers,
      body: JSON.stringify({ data: { version: 2, characters: [{ id: "http-character", name: "Runner",
        classId: "priest", categoryId: "wow", level: 30 }] } }) });
    const response = await fetch(`${base}/api/dungeon-races/queue`, { method: "POST", headers,
      body: JSON.stringify({ characterId: "http-character", role: "healer", pool: "authored" }) });
    assert.equal(response.status, 200);
    assert.equal((await response.json()).status, "queued");
    assert.equal((await fetch(`${base}/api/dungeon-races/state`, { headers })).status, 200);
    assert.equal((await fetch(`${base}/api/dungeon-races/leaderboard?period=30d`)).status, 200);
    assert.equal((await fetch(`${base}/api/dungeon-races/queue`, { method: "DELETE", headers })).status, 200);
    const matchId = "race-http-combat-log";
    runtime.database.createDungeonRaceMatch({ id: matchId, dungeonId: dungeon.id, seed: matchId,
      difficultyId: dungeon.defaultDifficultyId, createdAt: Date.now() - 2_000,
      participants: [{ side: 0, accountId: auth.account.id, characterId: "http-character",
        username: auth.account.username, source: "wow", role: "healer" },
      { side: 1, accountId: null, characterId: null, username: "Bot", source: "wow", role: null }],
      bot: null });
    runtime.database.startDungeonRace(matchId, Date.now() - 1_000);
    const logResponse = await fetch(`${base}/api/dungeon-races/${matchId}/combat-log`, {
      method: "POST", headers, body: JSON.stringify({ combatLog: combatLogFor({
        seed: matchId, dungeonId: dungeon.id }, false) }),
    });
    assert.equal(logResponse.status, 200);
    const review = await fetch(`${base}/api/dungeon-races/${matchId}/combat-log`, { headers });
    assert.equal(review.status, 200);
    assert.equal((await review.json()).log.kills[0].durationMs, 400);
    assert.equal((await fetch(`${base}/api/dungeon-races/${matchId}/combat-log`)).status, 401);
    assert.equal((await fetch(`${base}/api/gm/dungeon-races/combat-logs`, { headers })).status, 403);
  } finally {
    await new Promise((resolve) => runtime.server.close(resolve));
    rmSync(dataDir, { recursive: true, force: true });
  }
});