export const IMAGE_WORKSPACE_UNAVAILABLE_CODE = 'IMAGE_WORKSPACE_UNAVAILABLE';
export const IMAGE_WORKSPACE_UNAVAILABLE_MESSAGE = '创作空间暂不可用';

export type ImageWorkspaceOption = {
  id: string;
  label: string;
  description?: string;
};

export type ImageWorkspaceCapabilities = {
  modes: ImageWorkspaceOption[];
  models: ImageWorkspaceOption[];
  aspectRatios: ImageWorkspaceOption[];
  resolutions: ImageWorkspaceOption[];
  outputCounts: ImageWorkspaceOption[];
  defaultModeId?: string;
  defaultModelId?: string;
  defaultAspectRatioId?: string;
  defaultResolutionId?: string;
  defaultOutputCountId?: string;
  maxReferenceImages: number;
  referenceUpload: {
    enabled: boolean;
    acceptedMimeTypes: string[];
    maxBytes?: number;
  };
};

export type ImageWorkspaceAgent = {
  id: string;
  name: string;
  avatarUrl?: string | null;
};

export type ImageWorkspaceImage = {
  id: string;
  url: string;
  thumbnailUrl?: string | null;
  alt?: string | null;
};

export type ImageWorkspaceMessageStatus = 'queued' | 'running' | 'succeeded' | 'failed';

export type ImageWorkspaceMessage = {
  id: string;
  role: 'user' | 'assistant' | 'system';
  agentId?: string | null;
  text?: string | null;
  images: ImageWorkspaceImage[];
  status?: ImageWorkspaceMessageStatus;
  error?: string | null;
  createdAt: string;
};

export type ImageWorkspaceProject = {
  id: string;
  name: string;
  agents: ImageWorkspaceAgent[];
  activeAgentId?: string | null;
  messages: ImageWorkspaceMessage[];
  updatedAt?: string | null;
};

export type ImageWorkspaceSnapshot = {
  capabilities: ImageWorkspaceCapabilities;
  projects: ImageWorkspaceProject[];
  activeProjectId?: string | null;
};

export type ImageWorkspaceGenerationSettings = {
  modeId?: string;
  modelId?: string;
  aspectRatioId?: string;
  resolutionId?: string;
  outputCountId?: string;
};

export type ImageWorkspaceSendMessageInput = {
  projectId: string;
  agentId: string;
  prompt: string;
  referenceImageIds: string[];
  settings: ImageWorkspaceGenerationSettings;
};

export type ImageWorkspaceReferenceUploadInput = {
  projectId: string;
  fileName: string;
  mimeType: string;
  contentBase64: string;
};

export type ImageWorkspaceReferenceUploadResult = {
  workspace: ImageWorkspaceSnapshot;
  reference: ImageWorkspaceImage;
};