import assert from 'node:assert/strict';
import test from 'node:test';
import { registerHooks } from 'node:module';
import { readFileSync } from 'node:fs';
import { createElement } from 'react';
import { renderToStaticMarkup } from 'react-dom/server';
import { applyAction, createGame, joinGame, newPlayer, viewGame, type Game, type GameView } from '../game/engine';
import { nextStrongholdFactionsNativeStep } from './fixture-stronghold-factions';

const aliases = registerHooks({
  resolve(specifier, context, next) {
    return next(specifier === 'next/image' ? 'vinext/shims/image' :
      specifier === 'next/link' ? 'vinext/shims/link' : specifier, context);
  },
  load(url, context, next) {
    if (!url.endsWith('.module.css')) return next(url, context);
    const css = readFileSync(new URL(url), 'utf8');
    const classes = Object.fromEntries([...css.matchAll(/\.([a-zA-Z_][\w-]*)/g)].map(match => [match[1], match[1]]));
    return {format:'module', source:`export default ${JSON.stringify(classes)}`, shortCircuit:true};
  },
});
const { GameTable } = await import('../components/game-table');
aliases.deregister();

/** A native public Basic Ix start and physical setup. Alliance is staged
 * because the first Storm opening precedes the first Nexus. */
function opening(ally: 'ixians' | 'tleilaxu'): Game {
  let game = createGame('IXGIFTUI', newPlayer('emperor', 'Emperor', 'emperor'), false, ['ix']);
  joinGame(game, newPlayer('ixians', 'Ixians', 'ixians'));
  joinGame(game, newPlayer('tleilaxu', 'Tleilaxu', 'tleilaxu'));
  for (const player of game.players) game = applyAction(game, player.id, {type:'ready'});
  game = applyAction(game, 'emperor', {type:'start'});
  for (let step = 0; game.status === 'setup' && step < 100; step++) {
    const next = nextStrongholdFactionsNativeStep(game); assert.ok(next);
    game = applyAction(game, next.actor, next.action);
  }
  assert.equal(game.status, 'playing');
  assert.equal(game.phase, 0);
  assert.ok(game.phaseOpening);
  game.players.find(player => player.id === 'emperor')!.ally = ally;
  game.players.find(player => player.id === ally)!.ally = 'emperor';
  return game;
}
const table = (game: GameView, busy = false) =>
  renderToStaticMarkup(createElement(GameTable, {game, busy, send:async () => {}, onExit() {}}));

for (const ally of ['ixians', 'tleilaxu'] as const) {
  void test(`native ${ally} ally opening shows an enabled owner-only Emperor gift control`, () => {
    let game = opening(ally);
    const other = ally === 'ixians' ? 'tleilaxu' : 'ixians';
    game = applyAction(game, 'emperor', {type:'ready'});
    const ownView = viewGame(game, 'emperor');
    assert.deepEqual(ownView.emperorPhaseOpeningGift, {recipient:ally, maximum:10});
    assert.equal(viewGame(game, ally).emperorPhaseOpeningGift, null);
    assert.equal(viewGame(game, other).emperorPhaseOpeningGift, null);
    const own = table(ownView);
    assert.match(own, /Before Storm/);
    assert.match(own, new RegExp(`Share spice with ${ally === 'ixians' ? 'Ixians' : 'Tleilaxu'}`));
    assert.match(own, /Phase opening resumes after the Karama response to your gift/);
    assert.match(own, /type="number"[^>]*min="1"[^>]*max="10"/);
    assert.match(own, /<button\b(?![^>]*disabled)[^>]*>Share spice<\/button>/);
    assert.match(table(ownView, true), /<button\b[^>]*disabled=""[^>]*>Share spice<\/button>/);
    assert.doesNotMatch(table(viewGame(game, ally)), /Phase opening resumes after the Karama response to your gift/);
    assert.doesNotMatch(table(viewGame(game, other)), /Phase opening resumes after the Karama response to your gift/);

    // SSR checks the enabled control; dispatch the advertised action through the
    // same native engine separately, without claiming a browser click occurred.
    const openingBefore = structuredClone(game.phaseOpening);
    const next = applyAction(game, 'emperor', {type:'emperorGift', amount:1});
    assert.ok(next.response || next.phaseOpening);
    if (!next.response) assert.deepEqual(next.phaseOpening, openingBefore);
  });
}