import assert from 'node:assert/strict';
import test from 'node:test';
import { parseKaramaEmperorSpecialSource as parse, windowCardNativeEffect,
  windowCardOpportunity, type WindowCardGame } from '../game/window-card-play';

const source = (): WindowCardGame => ({ status: 'playing', advanced: true, phase: 4, turn: 2,
  shieldWallDestroyed: false, players: [{ id: 'h', faction: 'emperor', specialKaramaUsed: false },
    { id: 'a', faction: 'atreides', specialKaramaUsed: false }] });
const event = JSON.stringify(['karamaEmperorSpecial', 2, 'h']);

void test('Emperor special window is public, turn-bound and independent of private custody', () => {
  const game = source(), before = structuredClone(game);
  assert.deepEqual(windowCardOpportunity(game, 'karamaEmperorSpecial'),
    { effect: 'karamaEmperorSpecial', source: event, turn: 2 });
  assert.deepEqual(parse(event), { turn: 2, owner: 'h' });
  assert.equal(windowCardNativeEffect('karamaEmperorSpecial'), 'karama');
  assert.equal(windowCardOpportunity({ ...game, response: { kind: 'voice' }, decision: { kind: 'other' } },
    'karamaEmperorSpecial')?.source, event);
  assert.equal(windowCardOpportunity(game, 'karamaEmperorSpecial', event)?.source, event);
  assert.deepEqual(game, before);
});

void test('special opportunity ends with use, turn or phase; malformed sources reject', () => {
  const game = source();
  for (const changes of [{ status: 'lobby' }, { advanced: false }, { phase: 3 }, { turn: 0 },
    { players: [{ id: 'h', faction: 'emperor', specialKaramaUsed: true }] },
    { players: [{ id: 'h', faction: 'atreides' }] },
    { players: [{ id: 'h', faction: 'emperor' }, { id: 'h', faction: 'atreides' }] },
    { players: [{ id: 'h', faction: 'emperor' }, { id: 'h2', faction: 'emperor' }] }])
    assert.equal(windowCardOpportunity({ ...game, ...changes } as WindowCardGame, 'karamaEmperorSpecial'), null);
  for (const value of ['', '[]', '["karamaEmperorSpecial",2," h"]',
    '["karamaEmperorSpecial", 2,"h"]', '["karamaEmperorSpecial",0,"h"]',
    '["karamaEmperorSpecial",2,"h","extra"]']) assert.equal(parse(value), null);
  assert.equal(windowCardOpportunity(game, 'karamaEmperorSpecial', JSON.stringify(['karamaEmperorSpecial', 2, 'a'])), null);
  assert.equal(windowCardOpportunity({ ...game, turn: 3 }, 'karamaEmperorSpecial', event), null);
  assert.ok(windowCardOpportunity({ ...game, players: [{ id: 'h', faction: 'emperor' }] }, 'karamaEmperorSpecial'));
});