import { describe, expect, it } from 'vitest';

import { AnimationState, type GameState } from '../../types';
import { applyWorldMutationsToGameState, resolveWorldMutations } from './worldMutationRouter';

const state = {
  worldType: null,
  customWorldProfile: null,
  playerCharacter: null,
  runtimeStats: {
    playTimeMs: 0,
    lastPlayTickAt: null,
    hostileNpcsDefeated: 0,
    questsAccepted: 0,
    itemsUsed: 0,
    scenesTraveled: 0,
  },
  currentScene: 'Story',
  storyHistory: [],
  storyEngineMemory: {
    discoveredFactIds: [],
    inferredFactIds: [],
    activeThreadIds: ['thread-1'],
    resolvedScarIds: [],
    recentCarrierIds: [],
    recentSignalIds: [],
    recentCompanionReactions: [],
    currentChapter: null,
    currentJourneyBeatId: null,
    companionArcStates: [],
    worldMutations: [],
    chronicle: [],
    factionTensionStates: [],
    currentCampEvent: null,
    currentSetpieceDirective: null,
    continueGameDigest: null,
  },
  chapterState: null,
  characterChats: {},
  animationState: AnimationState.IDLE,
  currentEncounter: null,
  npcInteractionActive: false,
  currentScenePreset: {
    id: 'scene-1',
    name: '断桥旧哨',
    description: '旧哨火和断桥一起守着边城北口。',
    imageSrc: '',
  },
  sceneHostileNpcs: [],
  playerX: 0,
  playerOffsetY: 0,
  playerFacing: 'right',
  playerActionMode: 'idle',
  scrollWorld: false,
  inBattle: false,
  playerHp: 0,
  playerMaxHp: 0,
  playerMana: 0,
  playerMaxMana: 0,
  playerSkillCooldowns: {},
  activeBuildBuffs: [],
  activeCombatEffects: [],
  playerCurrency: 0,
  playerInventory: [],
  playerEquipment: { weapon: null, armor: null, relic: null },
  npcStates: {},
  quests: [],
  roster: [],
  companions: [],
  currentBattleNpcId: null,
  currentNpcBattleMode: null,
  currentNpcBattleOutcome: null,
  sparReturnEncounter: null,
  sparPlayerHpBefore: null,
  sparPlayerMaxHpBefore: null,
  sparStoryHistoryBefore: null,
} satisfies GameState;

describe('worldMutationRouter', () => {
  it('builds and applies scene mutation state', () => {
    const mutations = resolveWorldMutations({
      state,
      signals: [
        {
          id: 'signal-1',
          signalType: 'obtain_carrier',
          carrierId: 'carrier-1',
          threadIds: ['thread-1'],
        },
      ],
      chapterState: {
        id: 'chapter-1',
        title: '封桥旧案·高潮',
        theme: '封桥旧案',
        primaryThreadIds: ['thread-1'],
        stage: 'climax',
        chapterSummary: '旧案被逼到台前。',
      },
    });
    const nextState = applyWorldMutationsToGameState({ state, mutations });

    expect(mutations.length).toBeGreaterThan(0);
    expect(nextState.currentScenePreset?.mutationStateText).toBeTruthy();
  });
});