import type { JsonObject } from './common';

/**
 * story session 主链共享契约。
 * 字段命名与 server-rs/shared-contracts/src/story.rs 的 camelCase 回包保持一致。
 */

export type BeginStorySessionRequest = {
  runtimeSessionId: string;
  worldProfileId: string;
  initialPrompt: string;
  openingSummary?: string | null;
};

export type ContinueStoryRequest = {
  storySessionId: string;
  narrativeText: string;
  choiceFunctionId?: string | null;
};

export type StorySessionPayload = {
  storySessionId: string;
  runtimeSessionId: string;
  actorUserId: string;
  worldProfileId: string;
  initialPrompt: string;
  openingSummary?: string | null;
  latestNarrativeText: string;
  latestChoiceFunctionId?: string | null;
  status: string;
  version: number;
  createdAt: string;
  updatedAt: string;
};

export type StoryEventPayload = {
  eventId: string;
  storySessionId: string;
  eventKind: string;
  narrativeText: string;
  choiceFunctionId?: string | null;
  createdAt: string;
};

export type StorySessionMutationResponse = {
  storySession: StorySessionPayload;
  storyEvent: StoryEventPayload;
};

export type StorySessionStateResponse = {
  storySession: StorySessionPayload;
  storyEvents: StoryEventPayload[];
};

export type StoryRuntimeProjectionRequest = {
  storySessionId: string;
  clientVersion?: number;
};

export type StoryRuntimeActorProjection = {
  hp: number;
  maxHp: number;
  mana: number;
  maxMana: number;
  currency: number;
  currencyText: string;
};

export type StoryRuntimeInventoryProjection = {
  backpackItems: JsonObject[];
  equipmentSlots: JsonObject[];
  forgeRecipes: JsonObject[];
};

export type StoryRuntimeOptionProjection = {
  functionId: string;
  actionText: string;
  detailText?: string | null;
  scope: string;
  payload?: JsonObject | null;
  enabled: boolean;
  reason?: string | null;
};

export type StoryRuntimeStatusProjection = {
  inBattle: boolean;
  npcInteractionActive: boolean;
  currentEncounterId?: string | null;
  currentNpcBattleMode?: string | null;
  currentNpcBattleOutcome?: string | null;
};

export type StoryRuntimeProjectionResponse = {
  storySession: StorySessionPayload;
  storyEvents: StoryEventPayload[];
  serverVersion: number;
  actor: StoryRuntimeActorProjection;
  inventory: StoryRuntimeInventoryProjection;
  options: StoryRuntimeOptionProjection[];
  status: StoryRuntimeStatusProjection;
  currentNarrativeText?: string | null;
  actionResultText?: string | null;
  toast?: string | null;
};