/**
 * RPG 运行时聊天相关共享契约。
 * 将角色聊天、NPC 对话与轻量 story 请求载荷从旧 story.ts 中独立出来。
 */
import type { JsonObject } from './common';
import type { SavedGameSnapshotInput } from './runtime';

export type NpcChatTurnLimitReason = 'negative_affinity';

export type NpcChatTurnClosingMode = 'free' | 'foreshadow_close';

export type NpcChatTurnTerminationMode = 'none' | 'hostile_model';

export type NpcChatTurnTerminationReason = 'hostile_breakoff' | 'player_exit';

export type NpcChatFunctionOption = {
  functionId: string;
  actionText: string;
  detailText?: string | null;
  action?: string | null;
};

export type NpcChatTurnDirective = {
  sceneActId?: string | null;
  turnLimit?: number | null;
  remainingTurns?: number | null;
  limitReason?: NpcChatTurnLimitReason | null;
  closingMode?: NpcChatTurnClosingMode | null;
  forceExitAfterTurn?: boolean;
  terminationMode?: NpcChatTurnTerminationMode | null;
  terminationReason?: NpcChatTurnTerminationReason | null;
  isHostileChat?: boolean;
  functionOptions?: NpcChatFunctionOption[];
};

export type NpcChatTurnCompletionDirective = {
  turnLimit?: number | null;
  remainingTurns?: number | null;
  forceExit?: boolean;
  closingMode?: NpcChatTurnClosingMode;
  terminationReason?: NpcChatTurnTerminationReason | null;
};

export type CharacterChatReplyRequest<
  TCharacter = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TConversationTurn = unknown,
  TTargetStatus = unknown,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  playerCharacter?: TCharacter;
  targetCharacter: TCharacter;
  storyHistory?: TStoryMoment[];
  context?: TContext;
  conversationHistory: TConversationTurn[];
  conversationSummary: string;
  playerMessage: string;
  targetStatus: TTargetStatus;
};

export type CharacterChatSuggestionsRequest<
  TCharacter = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TConversationTurn = unknown,
  TTargetStatus = unknown,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  playerCharacter?: TCharacter;
  targetCharacter: TCharacter;
  storyHistory?: TStoryMoment[];
  context?: TContext;
  conversationHistory: TConversationTurn[];
  conversationSummary: string;
  targetStatus: TTargetStatus;
};

export type CharacterChatSummaryRequest<
  TCharacter = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TConversationTurn = unknown,
  TTargetStatus = unknown,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  playerCharacter?: TCharacter;
  targetCharacter: TCharacter;
  storyHistory?: TStoryMoment[];
  context?: TContext;
  conversationHistory: TConversationTurn[];
  previousSummary: string;
  targetStatus: TTargetStatus;
};

export type NpcChatDialogueRequest<
  TCharacter = unknown,
  TEncounter = unknown,
  TMonster = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  character?: TCharacter;
  encounter: TEncounter;
  monsters?: TMonster[];
  history?: TStoryMoment[];
  context?: TContext;
  topic: string;
  resultSummary: string;
  npcInitiatesConversation?: boolean;
};

export type NpcChatTurnRequest<
  TCharacter = unknown,
  TEncounter = unknown,
  TMonster = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TConversationTurn = unknown,
  TCombatContext = unknown,
  TNpcState = unknown,
  TQuestOfferState = unknown,
  TQuestOfferEncounter = unknown,
  TChatDirective = NpcChatTurnDirective,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  character?: TCharacter;
  player?: TCharacter;
  encounter: TEncounter;
  monsters?: TMonster[];
  history?: TStoryMoment[];
  context?: TContext;
  conversationHistory?: TConversationTurn[];
  dialogue?: TConversationTurn[];
  combatContext?: TCombatContext | null;
  playerMessage: string;
  npcState: TNpcState;
  npcInitiatesConversation?: boolean;
  questOfferContext?: {
    state: TQuestOfferState;
    encounter: TQuestOfferEncounter;
    turnCount: number;
  } | null;
  chatDirective?: TChatDirective | null;
};

export type NpcChatPendingQuestOffer<TQuest = unknown> = {
  quest: TQuest;
  introText?: string;
};

export type NpcChatFunctionSuggestion = {
  functionId: string;
  actionText: string;
};

export type NpcChatTurnResult<TQuest = unknown> = {
  npcReply: string;
  affinityDelta: number;
  affinityText: string;
  suggestions: string[];
  functionSuggestions?: NpcChatFunctionSuggestion[];
  pendingQuestOffer?: NpcChatPendingQuestOffer<TQuest> | null;
  chatDirective?: NpcChatTurnCompletionDirective | null;
};

export type NpcRecruitDialogueRequest<
  TCharacter = unknown,
  TEncounter = unknown,
  TMonster = unknown,
  TStoryMoment = unknown,
  TContext = unknown,
  TSnapshotGameState = unknown,
  TSnapshotCurrentStory = unknown,
> = {
  sessionId?: string;
  snapshot?: SavedGameSnapshotInput<
    TSnapshotGameState,
    string,
    TSnapshotCurrentStory
  >;
  worldType?: string;
  character?: TCharacter;
  encounter: TEncounter;
  monsters?: TMonster[];
  history?: TStoryMoment[];
  context?: TContext;
  invitationText: string;
  recruitSummary: string;
};

export type StoryRequestOptionsPayload = {
  availableOptions?: JsonObject[];
  optionCatalog?: JsonObject[];
};

export type StoryRequestPayload<TWorldType extends string = string> = {
  worldType: TWorldType;
  character: JsonObject;
  monsters?: JsonObject[];
  history?: JsonObject[];
  choice?: string;
  context: JsonObject;
  requestOptions?: StoryRequestOptionsPayload;
};

export type PlainTextPromptRequest = {
  systemPrompt: string;
  userPrompt: string;
};

export type PlainTextResponse = {
  text: string;
};