import assert from 'node:assert/strict';
import test from 'node:test';
import { applyAction, handLimit, viewGame, type Action, type Game } from '../game/engine';
import {
  createSemutaAuctionInspectionFixture,
  semutaAuctionInspectionInventory as inventory,
  semutaAuctionInspectionPlayer as player,
} from './fixture-semuta-auction-inspection';

const BOX = 'richese-nullentropy-box';
const reload = (game: Game): Game => JSON.parse(JSON.stringify(game));

function rejectWithoutMutation(game: Game, actor: string, action: Action) {
  const before = structuredClone(game);
  assert.throws(() => applyAction(game, actor, action));
  assert.deepEqual(game, before);
}

/** Real public Basic setup, paid cache Semuta acquisition, and a later real
 * ordinary auction. This supplemental boundary deliberately stages a mutual
 * alliance and relocates the physical Box plus two physical discards; no money,
 * auction state, counters, phase or saved continuation is manufactured. */
function fixture() {
  const source = createSemutaAuctionInspectionFixture();
  let game = structuredClone(source.game);
  while (game.response?.kind === 'atreidesAuction') {
    const actor = game.players.find(row => !game.response!.passed.includes(row.id));
    assert.ok(actor);
    game = applyAction(game, actor.id, { type: 'passResponse' });
  }
  assert.equal(game.response, null);
  assert.ok(game.auction && !game.richeseAuction && !game.currentAuctionSale);
  const bidder = game.auction.active;
  const owner = game.players.find(row => row.id !== bidder && row.id !== source.holder &&
    row.spice >= 2 && row.hand.length < handLimit(row));
  assert.ok(owner, 'A non-bidding, non-Semuta holder must afford the staged Box.');
  const donor = game.players.find(row => row.id !== bidder && row.id !== owner.id && row.spice >= 1);
  assert.ok(donor, 'A distinct player must fund the standing auction bid.');
  assert.ok(!player(game, bidder).ally && !donor.ally, 'The supplemental alliance must not replace a real pact.');
  player(game, bidder).ally = donor.id;
  donor.ally = bidder;
  game = applyAction(game, donor.id, { type: 'pledgeAid', amount: 1 });
  game = applyAction(game, bidder, { type: 'bid', amount: 1, allyPayment: 1 });
  assert.equal(game.auction?.bidder, bidder);
  assert.equal(game.auction?.bid, 1);
  assert.equal(game.auction?.allyPayment, 1);
  assert.equal(game.aid[donor.id]?.amount, 1);

  const zones = [game.deck, game.discard, game.richeseCache!, game.richeseRemoved!,
    ...game.players.map(row => row.hand)].filter(Boolean);
  const boxZone = zones.find(zone => zone.some(card => card.id === BOX));
  assert.ok(boxZone, 'The original physical Box must be in a movable zone.');
  const [box] = boxZone.splice(boxZone.findIndex(card => card.id === BOX), 1);
  player(game, owner.id).hand.push(box);
  const target = game.deck.shift(), other = game.deck.shift();
  assert.ok(target && other, 'The original ordinary deck must supply two discard targets.');
  game.discard.push(target, other);
  assert.deepEqual(inventory(game), source.originalInventory);

  return { game, source, owner: owner.id, donor: donor.id, bidder, target: target.id,
    lot: structuredClone(game.auction), aid: structuredClone(game.aid),
    ownerSpice: player(game, owner.id).spice, originalCards: inventory(game) };
}

for (const claim of [false, true]) {
  void test(`Semuta ${claim ? 'claims' : 'passes'} the paid Box during a standing Basic ordinary bid`, () => {
    const f = fixture();
    const paid = applyAction(f.game, f.owner, { type: 'card', card: BOX });
    assert.equal(player(paid, f.owner).spice, f.ownerSpice - 2);
    assert.ok(paid.pendingNullentropy);
    assert.deepEqual(paid.auction, f.lot);
    assert.deepEqual(paid.aid, f.aid);
    const searchEvent = paid.pendingNullentropy.event;
    const pending = applyAction(paid, f.owner, { type: 'decision', event: searchEvent, card: f.target });
    assert.equal(pending.pendingTreacheryDiscard?.continuation.kind, 'nullentropyDiscard');
    assert.equal(pending.pendingTreacheryDiscard?.reaction?.stage, 'offer');
    const event = pending.pendingTreacheryDiscard!.batch.event;
    assert.deepEqual(pending.pendingTreacheryDiscard!.batch.entries.map(entry =>
      [entry.discardedBy, entry.card.id, entry.publicFace]), [[f.owner, BOX, true]]);
    assert.deepEqual(pending.auction, f.lot);
    assert.deepEqual(pending.aid, f.aid);
    assert.equal(player(pending, f.owner).spice, f.ownerSpice - 2);
    assert.equal(player(pending, f.owner).hand.filter(card => card.id === f.target).length, 1);
    assert.equal(viewGame(pending, f.source.holder).players.find(row => row.id === f.owner)?.hand, undefined);
    assert.deepEqual(viewGame(pending, f.source.holder).semutaReaction?.candidates, []);
    const shuffled = pending.discard.filter(card => card.id !== BOX).map(card => card.id);
    rejectWithoutMutation(pending, f.source.holder, { type: 'semutaCommit', event: 'stale-event' });
    rejectWithoutMutation(pending, pending.auction!.active, { type: 'passBid' });

    const alteredLot = reload(pending);
    alteredLot.auction!.bid += 1;
    rejectWithoutMutation(alteredLot, f.source.holder, { type: 'semutaCommit', event });
    const alteredAid = reload(pending);
    alteredAid.aid[f.donor]!.amount += 1;
    rejectWithoutMutation(alteredAid, f.source.holder, { type: 'semutaCommit', event });

    let resumed = reload(pending);
    if (claim) resumed = applyAction(resumed, f.source.holder, { type: 'semutaCommit', event });
    else for (const row of resumed.players)
      resumed = applyAction(resumed, row.id, { type: 'semutaPass', event });
    assert.equal(resumed.pendingTreacheryDiscard, null);
    assert.deepEqual(resumed.auction, f.lot);
    assert.deepEqual(resumed.aid, f.aid);
    assert.equal(player(resumed, f.owner).spice, f.ownerSpice - 2);
    assert.equal(player(resumed, f.owner).hand.filter(card => card.id === f.target).length, 1);
    assert.equal(player(resumed, f.source.holder).hand.some(card => card.id === BOX), claim);
    assert.equal(resumed.discard.some(card => card.id === BOX), !claim);
    assert.equal(resumed.discard.some(card => card.id === f.source.semuta), claim);
    assert.deepEqual(resumed.discard.filter(card => card.id !== BOX && card.id !== f.source.semuta)
      .map(card => card.id), shuffled);
    assert.deepEqual(inventory(resumed), f.originalCards);
    rejectWithoutMutation(resumed, f.source.holder, { type: 'semutaCommit', event });
    rejectWithoutMutation(resumed, f.owner, { type: 'decision', event: searchEvent, card: f.target });
    const active = resumed.auction!.active;
    const continued = applyAction(resumed, active, { type: 'passBid' });
    assert.notDeepEqual(continued.auction, f.lot, 'The same original auction continues after the reaction.');
    assert.equal(player(continued, f.owner).spice, f.ownerSpice - 2);
  });
}