import assert from 'node:assert/strict';
import test from 'node:test';
import { botActions } from '../game/bots';
import { DIFFICULTIES } from '../game/bot-profiles';
import { coalitionOf } from '../game/coalition-alliance';
import { applyAction, createGame, joinGame, newPlayer, viewGame, type Action, type Game } from '../game/engine';
import { advanceShortAlliance, type ShortAllianceStep } from './fixture-short-alliance-victory';

const apply = (game: Game, actor: string, action: Action) => applyAction(game, actor, action);

/** Real setup and first turn; select only unopened Spice order to reach Nexus. */
function pairAtNexus(advanced: boolean): Game {
  let game = createGame('THREEGROUPBOT', newPlayer('at', 'Atreides', 'atreides'));
  joinGame(game, newPlayer('em', 'Emperor', 'emperor'));
  joinGame(game, newPlayer('ha', 'Harkonnen', 'harkonnen'));
  if (advanced) game = apply(game, 'at', { type: 'rules', advanced: true });
  game = apply(game, 'at', { type: 'coalitionPreview', variant: 'three' });
  for (const seat of game.players) game = apply(game, seat.id, { type: 'ready' });
  game = apply(game, 'at', advanced ? { type: 'start', advancedPreview: true } : { type: 'start' });
  const actions: ShortAllianceStep[] = [];
  game = advanceShortAlliance(game, state => state.status === 'playing' && state.turn === 2 && state.phase === 0, actions);
  const index = game.spiceDeck.findIndex(card => 'worm' in card && !card.greatMaker && !card.suppressed && !card.thumper);
  assert.ok(index >= 0);
  const before = game.spiceDeck.map(card => JSON.stringify(card)).sort();
  game.spiceDeck.unshift(game.spiceDeck.splice(index, 1)[0]);
  assert.deepEqual(game.spiceDeck.map(card => JSON.stringify(card)).sort(), before);
  game = advanceShortAlliance(game, state => state.nexus && !state.spiceWindow && !state.spiceResolution &&
    !state.response && !state.decision && !state.truthtrance && !state.phaseOpening, actions);
  game = apply(game, 'at', { type: 'alliance', target: 'em' });
  return apply(game, 'em', { type: 'alliance', target: 'at' });
}

void test('each bot can seek admission to the three-member four-stronghold preview in Basic and Advanced', () => {
  for (const advanced of [false, true]) {
    const initial = pairAtNexus(advanced);
    const pair = coalitionOf(initial.players, initial.coalitionState, 'at'); assert.ok(pair);
    assert.equal(initial.coalitionState!.variant, undefined);
    assert.equal(viewGame(initial, 'ha').coalitionPreview, 'three');
    for (const difficulty of DIFFICULTIES) {
      const view = viewGame(initial, 'ha');
      view.players.find(player => player.id === 'ha')!.bot = difficulty;
      const proposal = botActions(view).find(action => action.type === 'coalitionPropose');
      assert.ok(proposal, `${advanced ? 'Advanced' : 'Basic'} ${difficulty}`);
      let game = apply(initial, 'ha', proposal);
      for (const actor of ['at', 'em']) {
        const offer = game.coalitionState!.proposal; assert.ok(offer);
        game = apply(game, actor, { type: 'coalitionAnswer', event: offer.event, nexus: offer.nexus,
          turn: offer.turn, accept: true, expectedRevision: game.coalitionState!.revision });
      }
      assert.deepEqual(new Set(coalitionOf(game.players, game.coalitionState, 'at')!.members),
        new Set(['at', 'em', 'ha']));
      assert.equal(viewGame(game, 'at').victoryProgress.find(row => row.player === 'at')!.target, 4);
    }
  }
});