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

import {WorldType} from '../types';
import {addInventoryItems} from './npcInteractions';
import {
  buildLooseRuntimeItemGenerationContext,
  buildQuestRuntimeItemGenerationContext,
} from './runtimeItemContext';
import {buildDirectedRuntimeReward, buildRuntimeInventoryStock} from './runtimeItemDirector';

describe('runtime item director', () => {
  it('builds treasure rewards with runtime metadata and relation anchors', () => {
    const context = buildLooseRuntimeItemGenerationContext({
      worldType: WorldType.WUXIA,
      scene: {
        id: 'scene-ruins',
        name: '断碑古道',
        description: '碎碑与旧誓散落在路旁。',
        treasureHints: ['残匣', '旧祭火'],
      },
      encounter: {
        id: 'treasure-altar',
        kind: 'treasure',
        npcName: '断誓秘匣',
        npcDescription: '匣盖上留着未熄的旧印。',
        npcAvatar: '',
        context: '古道祭坛',
      },
      playerCharacterId: 'hero',
      playerBuildTags: ['快剑', '追击'],
      generationChannel: 'treasure',
    });

    const reward = buildDirectedRuntimeReward(context, {
      seedKey: 'test:treasure',
      fixedKinds: ['relic', 'consumable'],
      fixedPermanence: ['permanent', 'timed'],
      itemCount: 2,
    });

    expect(reward.primaryItem?.runtimeMetadata?.generationChannel).toBe('treasure');
    expect(reward.primaryItem?.runtimeMetadata?.relationAnchor?.type).toBe('npc');
    expect(reward.primaryItem?.name).not.toBe('未命名秘物');
    expect(reward.primaryItem?.runtimeMetadata?.storyFingerprint?.visibleClue).toBeTruthy();
    expect(reward.primaryItem?.runtimeMetadata?.storyFingerprint?.unresolvedQuestion).toBeTruthy();
    expect(reward.primaryItem?.description).toContain('适合当前局势里的临场构筑调整');
  });

  it('keeps identity-sensitive runtime items separate when adding inventory', () => {
    const baseItem = buildRuntimeInventoryStock(
      buildLooseRuntimeItemGenerationContext({
        worldType: WorldType.WUXIA,
        encounter: {
          id: 'npc-blackmarket',
          kind: 'npc',
          npcName: '黑市牙人',
          npcDescription: '在阴影里兜售消息与暗器。',
          npcAvatar: '',
          context: '黑市',
        },
        playerCharacterId: 'hero',
        playerBuildTags: ['快袭', '风行'],
        generationChannel: 'npc_trade',
      }),
      {
        seedKey: 'test:stock',
        itemCount: 1,
        fixedKinds: ['relic'],
        fixedPermanence: ['permanent'],
      },
    )[0];

    const secondItem = {
      ...baseItem,
      id: `${baseItem.id}:variant`,
      runtimeMetadata: baseItem.runtimeMetadata
        ? {
            ...baseItem.runtimeMetadata,
            seedKey: `${baseItem.runtimeMetadata.seedKey}:variant`,
          }
        : null,
    };

    const merged = addInventoryItems([], [baseItem, secondItem]);
    expect(merged).toHaveLength(2);
  });

  it('can build quest-flavored runtime rewards from quest context', () => {
    const context = buildQuestRuntimeItemGenerationContext({
      context: {
        worldType: WorldType.XIANXIA,
        currentSceneId: 'scene-cloud',
        currentSceneName: '云阙旧渡',
        currentSceneDescription: '旧渡口残留着灵潮和巡守痕迹。',
        issuerNpcId: 'npc-issuer',
        issuerNpcName: '巡守使',
        issuerNpcContext: '巡守',
        issuerAffinity: 24,
        recentStoryMoments: [],
        playerCharacter: null,
      },
      issuerNpcId: 'npc-issuer',
      issuerNpcName: '巡守使',
      roleText: '巡守',
      scene: {
        id: 'scene-cloud',
        name: '云阙旧渡',
        description: '旧渡口残留着灵潮和巡守痕迹。',
        treasureHints: ['旧印'],
      },
    });

    const reward = buildDirectedRuntimeReward(context, {
      seedKey: 'test:quest',
      fixedKinds: ['equipment', 'consumable'],
      fixedPermanence: ['permanent', 'timed'],
      itemCount: 2,
    });

    expect(reward.primaryItem?.runtimeMetadata?.generationChannel).toBe('quest_reward');
    expect(reward.supportItems.length).toBeGreaterThanOrEqual(1);
  });
});