import assert from 'node:assert/strict';
import test from 'node:test';
import { baseDeck } from '../game/cards';
import { coalitionOf, emptyCoalitionState } from '../game/coalition-alliance';
import { applyAction, createGame, newPlayer, type Action, type Game } from '../game/engine';

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

/** Stage the Nexus, spendable purse and physical card. The alliance and Truthtrance
 * priority are real actions; b and c are a's group allies, d and e outsiders. */
function questionWindow(): Game {
  let game = createGame('GROUPBRIBETRUTH', newPlayer('a', 'Atreides', 'atreides'), false);
  game.players.push(newPlayer('b', 'Emperor', 'emperor'), newPlayer('c', 'Fremen', 'fremen'),
    newPlayer('d', 'Harkonnen', 'harkonnen'), newPlayer('e', 'Guild', 'guild'));
  Object.assign(game, {status:'playing', phase:1, turn:2, nexus:true,
    order:['a','b','c','d','e'], ready:[], deck:baseDeck()});
  game.coalitionState = emptyCoalitionState('unlimited');
  game.players.find(player => player.id === 'a')!.spice = 5;
  game = send(game, 'a', {type:'alliance', target:'b'});
  game = send(game, 'b', {type:'alliance', target:'a'});
  const group = coalitionOf(game.players, game.coalitionState, 'a'); assert.ok(group);
  game = send(game, 'a', {type:'coalitionPropose', groupId:group.id, entrant:'c',
    expectedRevision:game.coalitionState!.revision});
  for (const actor of ['b', 'c']) {
    const offer = game.coalitionState!.proposal!;
    game = send(game, actor, {type:'coalitionAnswer', event:offer.event, nexus:offer.nexus,
      turn:offer.turn, accept:true, expectedRevision:game.coalitionState!.revision});
  }
  const index = game.deck.findIndex(card => card.effect === 'truthtrance'); assert.ok(index >= 0);
  const [card] = game.deck.splice(index, 1); game.players.find(player => player.id === 'e')!.hand.push(card);
  game = send(game, 'e', {type:'card', card:card.id});
  while (game.truthtrance?.stage === 'priority') {
    const actor = game.players.find(player => !game.truthtrance!.passed.includes(player.id)); assert.ok(actor);
    game = send(game, actor.id, {type:'truthPass'});
  }
  return game;
}

const fact = {kind:'fact', fact:{kind:'spice', compare:'gte', value:0}};
function question(family: 'bribe' | 'bribeExpression' | 'mixedBribe' | 'turnActions', recipient: string) {
  const base = {kind:family, target:'a', turn:2};
  if (family === 'bribe') return {...base, recipient, minimum:1};
  if (family === 'bribeExpression') return {...base, claim:{kind:'and', terms:[
    {kind:'payment', recipient, minimum:1}, {kind:'payment', recipient:'d', minimum:1},
  ]}};
  if (family === 'mixedBribe') return {...base, mixed:{kind:'or', terms:[fact,
    {kind:'action', action:{recipient, minimum:1}},
  ]}};
  return {...base, mixed:{kind:'or', terms:[fact,
    {kind:'action', action:{kind:'payment', recipient, minimum:1}},
  ]}};
}

for (const family of ['bribe', 'bribeExpression', 'mixedBribe', 'turnActions'] as const)
  void test(`${family} question rejects an allied group payment and accepts an outsider`, () => {
    const game = questionWindow(), before = structuredClone(game);
    assert.throws(() => send(game, 'e', {type:'truthAsk', question:question(family, 'b')}));
    assert.deepEqual(game, before, 'A rejected allied-payment question retains its Truthtrance window.');
    const accepted = send(game, 'e', {type:'truthAsk', question:question(family, 'e')});
    assert.equal(accepted.truthtrance?.question?.kind, family);
  });