import assert from 'node:assert/strict';
import test from 'node:test';
import { applyAction, viewGame, type Game } from '../game/engine';
import { botActions } from '../game/bots';
import { DIFFICULTIES } from '../game/bot-profiles';
import { knowledgeGame, knowledgePhysical, rejectKnowledge } from './truthtrance-knowledge-fixture';

/** Actual Basic setup and locked prediction; acquisition of Truthtrance is
 * staged by the shared fixture while preserving the physical card inventory. */
function ask(target: string, text: string, scope: 'fact' | 'currentTurn' = 'fact') {
  let game = knowledgeGame();
  const card = game.players[0].hand.find(candidate => candidate.effect === 'truthtrance'); assert.ok(card);
  game = applyAction(game, 'a', { type: 'card', card: card.id });
  while (game.truthtrance?.stage === 'priority') {
    const player = game.players.find(candidate => !game.truthtrance!.passed.includes(candidate.id)); assert.ok(player);
    game = applyAction(game, player.id, { type: 'truthPass' });
  }
  return applyAction(game, 'a', { type: 'truthAsk', question: { kind: 'freeform', target, scope, text } });
}
function question(game: Game) {
  const value = game.truthtrance?.question;
  assert.equal(value?.kind, 'freeform');
  if (value?.kind !== 'freeform') throw Error('Expected a freeform question');
  return value;
}

for (const row of [
  { name: 'all three AND clauses are true', target: 'b', answer: 'yes',
    text: 'Did you predict Guild and do you have at least 3 forces in your reserves and do you have at least 0 spice?' },
  { name: 'a false prediction makes AND false', target: 'b', answer: 'no',
    text: 'Did you predict Harkonnen and do you have at least 3 forces in your reserves?' },
  { name: 'an unavailable prediction leaves AND unknown', target: 'o', answer: 'unknown',
    text: 'Did you predict Guild and do you have at least 0 forces in your reserves?' },
  { name: 'a true force clause makes OR true despite unknown knowledge', target: 'o', answer: 'yes',
    text: 'Did you predict Guild or do you have at least 0 forces in your reserves?' },
  { name: 'both OR clauses are false', target: 'b', answer: 'no',
    text: 'Did you predict Harkonnen or do you have at least 100 forces in your reserves?' },
  { name: 'unavailable knowledge leaves OR unknown', target: 'o', answer: 'unknown',
    text: 'Did you predict Guild or do you have at least 100 forces in your reserves?' },
] as const) {
  void test(`V7 ${row.name} publishes only the checked aggregate`, () => {
    const game = ask(row.target, row.text), physical = knowledgePhysical(game);
    assert.equal(question(game).interpreted?.version, 7);
    assert.equal(viewGame(game, row.target).truthAnswer, row.answer);
    for (const observer of game.players.filter(player => player.id !== row.target)) {
      const view = viewGame(game, observer.id);
      assert.equal(view.truthAnswer, null);
      if (observer.id !== 'b')
        assert.equal('prediction' in view.players.find(player => player.id === 'b')!, false);
    }
    for (const difficulty of DIFFICULTIES) {
      const view = viewGame(game, row.target);
      view.players.find(player => player.id === row.target)!.bot = difficulty;
      assert.deepEqual(botActions(view), [{ type: 'truthAnswer', answer: row.answer }]);
    }
    for (const answer of (['yes', 'no', 'unknown'] as const).filter(answer => answer !== row.answer))
      rejectKnowledge(game, row.target, { type: 'truthAnswer', answer });
    const restored = JSON.parse(JSON.stringify(game)) as Game;
    const done = applyAction(restored, row.target, { type: 'truthAnswer', answer: row.answer });
    if (row.answer === 'unknown') assert.equal(done.truthtrance?.stage, 'unknown');
    else assert.equal(done.truthHistory!.at(-1)!.answer, row.answer);
    assert.deepEqual(knowledgePhysical(done), physical);
  });
}

void test('old unstamped and current-turn compound questions remain manually managed', () => {
  const text = 'Did you predict Guild and do you have at least 3 forces in your reserves?';
  const future = ask('b', text, 'currentTurn');
  assert.equal(question(future).interpreted, undefined);
  const old = ask('b', text);
  delete question(old).interpreted;
  assert.equal(viewGame(old, 'b').truthAnswer, null);
  const done = applyAction(old, 'b', { type: 'truthAnswer', answer: 'no' });
  assert.equal(done.truthHistory!.at(-1)!.answer, 'no');
});

void test('changing a V7 receipt cannot alter the checked aggregate', () => {
  const game = ask('b', 'Did you predict Guild and do you have at least 3 forces in your reserves?');
  const value = question(game); assert.equal(value.interpreted?.version, 7);
  if (!value.interpreted) throw Error('Expected a recognized receipt');
  value.interpreted.fact = { kind: 'prediction', field: 'faction', faction: 'harkonnen' };
  assert.throws(() => viewGame(game, 'b'));
  assert.throws(() => applyAction(game, 'b', { type: 'truthAnswer', answer: 'yes' }));
});