import test from 'node:test';
import assert from 'node:assert/strict';
import { applyAction, createGame, joinGame, newPlayer, viewGame, type Action, type Game } from '../game/engine';
import { botActions } from '../game/bots';
import { DIFFICULTIES } from '../game/bot-profiles';
import { SEMUTA_DRUG_ID } from '../game/semuta-drug';
import { basicSemutaAmbassadorInventory as inventory } from './fixture-basic-semuta-ambassador';
import { nextRicheseStrongholdsNativeStep } from './fixture-richese-strongholds';

const act = (game: Game, actor: string, action: Action) => applyAction(game, actor, action);
const seat = (game: Game, id: string) => {
  const found = game.players.find(player => player.id === id); assert.ok(found); return found;
};

/** Public Basic start with the Ix deck and independent Ecaz cards. After real
 * setup, stage original card custody and the specific phase boundary below. */
function fixture(effect: 'thumper' | 'amal') {
  let game = createGame('SEMUTAWINDOW', newPlayer('r', 'Richese', 'richese'), false, ['choam', 'ix']);
  joinGame(game, newPlayer('a', 'Atreides', 'atreides'));
  joinGame(game, newPlayer('e', 'Emperor', 'emperor'));
  game = act(game, 'r', {type:'moduleOption', module:'ecazTreachery', enabled:true});
  for (const player of game.players) game = act(game, player.id, {type:'ready'});
  game = act(game, 'r', {type:'start'});
  assert.equal(game.status, 'setup');
  assert.equal(game.semutaRecruitsPreview, true);
  assert.equal(game.semutaPreview, undefined);
  for (let step = 0; game.status === 'setup' && step < 100; step++) {
    const next = nextRicheseStrongholdsNativeStep(game);
    assert.ok(next, 'Native setup must offer a legal action');
    game = act(game, next.actor, next.action);
  }
  assert.equal(game.status, 'playing');
  const original = inventory(game);
  for (const player of game.players) { game.deck.push(...player.hand); player.hand = []; }
  const take = (id: string) => {
    for (const zone of [game.deck, game.discard, game.richeseCache!]) {
      const index = zone.findIndex(card => card.id === id || card.effect === id);
      if (index >= 0) return zone.splice(index, 1)[0];
    }
    throw new Error(`Missing physical ${id}`);
  };
  seat(game, 'r').hand.push(take(SEMUTA_DRUG_ID));
  const played = take(effect); seat(game, 'a').hand.push(played);
  assert.deepEqual(inventory(game), original);
  return {game, played, original};
}

function finishOffer(game: Game, claim: boolean) {
  const frame = game.pendingTreacheryDiscard; assert.ok(frame?.reaction);
  const event = frame.batch.event;
  if (claim) {
    game = act(game, 'r', {type:'semutaCommit', event});
    if (game.pendingTreacheryDiscard?.reaction?.stage === 'select')
      game = act(game, 'r', {type:'semutaSelect', event, card:frame.batch.entries[0].card.id});
  } else {
    for (const player of game.players) game = act(game, player.id, {type:'semutaPass', event});
  }
  assert.equal(game.pendingTreacheryDiscard, null);
  assert.throws(() => act(game, 'r', {type:'semutaCommit', event}));
  return game;
}

function checkBots(pending: Game) {
  for (const difficulty of DIFFICULTIES) {
    const game = structuredClone(pending); seat(game, 'r').bot = difficulty;
    const action = botActions(viewGame(game, 'r')).find(item =>
      item.type === 'semutaCommit' || item.type === 'semutaPass');
    assert.ok(action);
    assert.doesNotThrow(() => act(game, 'r', action));
  }
}

for (const claim of [false, true]) {
  void test(`Basic independent Ix Thumper offers Semuta ${claim ? 'claim' : 'pass'} before one Spice Blow`, () => {
    const f = fixture('thumper'), game = f.game;
    const lands = game.spiceDeck.filter(card => 'territory' in card && !card.discovery && card.sector !== 18);
    const prior = lands[0], next = lands[1];
    assert.ok(prior && next && 'territory' in prior && 'territory' in next);
    const priorKey = `${prior.territory}:${prior.sector}`;
    const remaining = game.spiceDeck.filter(card => card !== prior && card !== next);
    game.spiceDeck = [next, ...remaining]; game.spiceDiscard = [[prior], []];
    seat(game, 'e').forces = {[priorKey]:3}; seat(game, 'e').reserves = 17;
    game.spice = {[priorKey]:8};
    Object.assign(game, {turn:2, phase:1, active:null, ready:[], storm:18,
      decision:null, response:null, phaseOpening:null, stormPending:null,
      spiceWindow:null, spiceResolution:null, spiceSequence:null, nexus:false});
    const beforeDeck = structuredClone(game.spiceDeck);
    const pending = act(game, 'a', {type:'card', card:f.played.id});
    assert.equal(pending.pendingTreacheryDiscard?.continuation.kind, 'thumperDiscard');
    assert.equal(pending.pendingTreacheryDiscard?.reaction?.stage, 'offer');
    assert.deepEqual(pending.spiceDeck, beforeDeck);
    assert.equal(pending.spice[priorKey], 8);
    assert.equal(seat(pending, 'e').tanks, 0);
    assert.equal(viewGame(pending, 'r').semutaReaction?.canCommit, true);
    checkBots(pending);
    const resumed = finishOffer(pending, claim);
    assert.equal(seat(resumed, 'e').tanks, 3);
    assert.equal(resumed.spice[priorKey], undefined);
    assert.equal(resumed.spiceWindow?.territory, next.territory);
    assert.equal(seat(resumed, 'r').hand.some(card => card.id === f.played.id), claim);
    assert.equal(resumed.discard.filter(card => card.id === f.played.id).length, Number(!claim));
    assert.equal(resumed.discard.filter(card => card.id === SEMUTA_DRUG_ID).length, Number(claim));
    assert.deepEqual(inventory(resumed), f.original);
  });

  void test(`Basic independent Ix Amal offers Semuta ${claim ? 'claim' : 'pass'} after one halving`, () => {
    const f = fixture('amal'); let game = f.game;
    seat(game, 'r').spice = 11; seat(game, 'a').spice = 9; seat(game, 'e').spice = 7;
    Object.assign(game, {turn:2, phase:2, active:null, ready:[], decision:null,
      response:null, phaseOpening:null, auction:null, stormPending:null});
    for (const id of ['a', 'e', 'r']) game = act(game, id, {type:'ready'});
    assert.equal(game.phase, 3); assert.ok(game.phaseOpening);
    game = act(game, 'e', {type:'ready'});
    assert.deepEqual(game.phaseOpening?.passed, ['e']);
    const deck = structuredClone(game.deck);
    const pending = act(game, 'a', {type:'card', card:f.played.id});
    assert.equal(pending.pendingTreacheryDiscard?.continuation.kind, 'amalDiscard');
    assert.equal(pending.pendingTreacheryDiscard?.reaction?.stage, 'offer');
    assert.equal(pending.phaseOpening, null);
    assert.deepEqual(pending.deck, deck);
    assert.deepEqual(pending.players.map(player => player.spice), [5, 4, 3]);
    assert.equal(viewGame(pending, 'r').semutaReaction?.canCommit, true);
    checkBots(pending);
    let resumed = finishOffer(pending, claim);
    assert.deepEqual(resumed.phaseOpening?.passed, []);
    assert.deepEqual(resumed.players.map(player => player.spice), [5, 4, 3]);
    assert.equal(seat(resumed, 'r').hand.some(card => card.id === f.played.id), claim);
    assert.equal(resumed.discard.filter(card => card.id === f.played.id).length, Number(!claim));
    assert.equal(resumed.discard.filter(card => card.id === SEMUTA_DRUG_ID).length, Number(claim));
    for (const id of ['a', 'e', 'r']) resumed = act(resumed, id, {type:'ready'});
    assert.equal(resumed.phaseOpening, null);
    assert.deepEqual(resumed.players.map(player => player.spice), [5, 4, 3]);
    assert.deepEqual(inventory(resumed), f.original);
  });
}