import type { Dispatch, SetStateAction } from 'react';

import type { Character, Encounter, GameState, StoryOption } from '../../types';
import type { EscapePlaybackSync as ResolvedChoicePlaybackSync } from '../combat/escapeFlow';
import type { ResolvedChoiceState } from '../combat/resolvedChoice';
import { createStoryInteractionCoordinatorConfig } from './storyInteractionCoordinator';
import { sanitizeStoryOptions } from './storyPresentation';
import type { StoryRuntimeSupport } from './storyRuntimeSupport';
import { useRpgRuntimeInteractionFlow } from './useRpgRuntimeInteractionFlow';
import type { RpgRuntimeStoryControllerResult } from './useRpgRuntimeStoryController';
import { useRpgRuntimeStoryState } from './useRpgRuntimeStoryState';
import { useStoryGoalOptionCoordinator } from './useStoryGoalOptionCoordinator';

type RpgRuntimeStoryFlowParams = {
  gameState: GameState;
  setGameState: Dispatch<SetStateAction<GameState>>;
  sceneTransitionPhase?: 'idle' | 'exiting' | 'entering';
  buildResolvedChoiceState: (
    state: GameState,
    option: StoryOption,
    character: Character,
  ) => ResolvedChoiceState;
  playResolvedChoice: (
    state: GameState,
    option: StoryOption,
    character: Character,
    resolvedChoice: ResolvedChoiceState,
    sync?: ResolvedChoicePlaybackSync,
  ) => Promise<GameState>;
  getStoryGenerationHostileNpcs: (
    state: GameState,
  ) => GameState['sceneHostileNpcs'];
  getResolvedSceneHostileNpcs: (
    state: GameState,
  ) => GameState['sceneHostileNpcs'];
  runtimeController: RpgRuntimeStoryControllerResult;
  runtimeSupport: StoryRuntimeSupport;
  sortOptions: (options: StoryOption[]) => StoryOption[];
  buildContinueAdventureOption: () => StoryOption;
  resolveNpcInteractionDecision: (
    state: GameState,
    option: StoryOption,
  ) => { kind: string };
  clearCharacterChatModal: () => void;
  isContinueAdventureOption: (option: StoryOption) => boolean;
  isCampTravelHomeOption: (option: StoryOption) => boolean;
  isRegularNpcEncounter: (
    encounter: GameState['currentEncounter'],
  ) => encounter is Encounter;
  isNpcEncounter: (
    encounter: GameState['currentEncounter'],
  ) => encounter is Encounter;
  npcPreviewTalkFunctionId: string;
  fallbackCompanionName: string;
  turnVisualMs: number;
};

/**
 * RPG runtime story 主编排层。
 * 这里把 option 展示、正式交互分发和 story/session 状态动作收束成稳定出口。
 */
export function useRpgRuntimeStoryFlow({
  gameState,
  setGameState,
  sceneTransitionPhase = 'idle',
  buildResolvedChoiceState,
  playResolvedChoice,
  getStoryGenerationHostileNpcs,
  getResolvedSceneHostileNpcs,
  runtimeController,
  runtimeSupport,
  sortOptions,
  buildContinueAdventureOption,
  resolveNpcInteractionDecision,
  clearCharacterChatModal,
  isContinueAdventureOption,
  isCampTravelHomeOption,
  isRegularNpcEncounter,
  isNpcEncounter,
  npcPreviewTalkFunctionId,
  fallbackCompanionName,
  turnVisualMs,
}: RpgRuntimeStoryFlowParams) {
  const {
    currentStory,
    setCurrentStory,
    setAiError,
    setIsLoading,
    isLoading,
    buildStoryContextFromState,
    buildFallbackStoryForState,
    buildDialogueStoryMoment,
    generateStoryForState,
    getAvailableOptionsForState,
    getTypewriterDelay,
    commitGeneratedState,
    commitGeneratedStateWithEncounterEntry,
    appendHistory,
    buildOpeningCampChatContext,
    resetPreparedOpeningAdventure,
  } = runtimeController;
  // 中文注释：interactionConfig 是“剧情交互协调器”的配置快照；
  // 后续选项刷新、动作提交、fallback 叙事都会共用这套上下文。
  const interactionConfig = createStoryInteractionCoordinatorConfig({
    gameState,
    setGameState,
    setCurrentStory,
    setAiError,
    setIsLoading,
    currentStory,
    buildStoryContextFromState,
    buildFallbackStoryForState,
    buildDialogueStoryMoment,
    generateStoryForState,
    getAvailableOptionsForState,
    getStoryGenerationHostileNpcs,
    getTypewriterDelay,
    runtimeSupport,
    commitGeneratedState,
    commitGeneratedStateWithEncounterEntry,
    appendHistory,
    buildOpeningCampChatContext,
    sortOptions,
    buildContinueAdventureOption,
    sanitizeOptions: sanitizeStoryOptions,
    resolveNpcInteractionDecision,
  });
  const {
    displayedOptions,
    canRefreshOptions,
    handleRefreshOptions,
    goalUi,
    clearStoryGoalOptionUi,
  } = useStoryGoalOptionCoordinator({
    gameState,
    currentStory,
  });
  // 中文注释：这一层把“战斗/NPC/背包/地图旅行”等具体交互入口分发到对应流程，
  // 保证冒险面板只调用统一的 handleChoice / handleNpcChatInput 等接口。
  const {
    handleChoice,
    battleRewardUi,
    npcUi,
    inventoryUi,
    clearStoryInteractionUi,
    handleNpcChatInput,
    refreshNpcChatOptions,
    exitNpcChat,
    npcChatQuestOfferUi,
  } = useRpgRuntimeInteractionFlow({
    gameState,
    isLoading,
    sceneTransitionPhase,
    interactionConfig,
    runtimeSupport,
    buildResolvedChoiceState,
    playResolvedChoice,
    buildStoryFromResponse: runtimeController.buildStoryFromResponse,
    getResolvedSceneHostileNpcs,
    getCampCompanionTravelScene: runtimeController.getCampCompanionTravelScene,
    isContinueAdventureOption,
    isCampTravelHomeOption,
    isRegularNpcEncounter,
    isNpcEncounter,
    npcPreviewTalkFunctionId,
    fallbackCompanionName,
    turnVisualMs,
  });
  const { questUi, resetStoryState, hydrateStoryState, travelToSceneFromMap } =
    useRpgRuntimeStoryState({
      gameState,
      isLoading,
      setGameState,
      setCurrentStory,
      setAiError,
      setIsLoading,
      commitGeneratedState,
      buildFallbackStoryForState,
      resetPreparedOpeningAdventure,
      clearStoryGoalOptionUi,
      clearStoryInteractionUi,
      clearCharacterChatModal,
    });

  // 中文注释：最终返回的是已经过目标选项协调、交互分发和 story state 收束后的稳定输出。
  return {
    displayedOptions,
    canRefreshOptions,
    handleRefreshOptions,
    handleChoice,
    resetStoryState,
    hydrateStoryState,
    travelToSceneFromMap,
    battleRewardUi,
    questUi,
    goalUi,
    npcUi,
    inventoryUi,
    handleNpcChatInput,
    refreshNpcChatOptions,
    exitNpcChat,
    npcChatQuestOfferUi,
  };
}

export type UseRpgRuntimeStoryFlowParams = Parameters<
  typeof useRpgRuntimeStoryFlow
>[0];
export type RpgRuntimeStoryFlowResult = ReturnType<
  typeof useRpgRuntimeStoryFlow
>;