export interface IPartData {
  toolCallId?: string;
  toolName?: string;
  sessionId?: string;
  phase?: 'start' | 'end';
  label?: string;
  input?: any;
  output?: any;
  durationMs?: number;
  toolInfo?: string;
  status?: 'pending' | 'processing' | 'approved' | 'rejected';
  messages?: string[];
  error?: string;
}
export interface IPart {
  type: 'reasoning' | 'data-tool-call' | 'data-rendering' | 'data-tool-approval' | 'text';
  text?: string;
  state?: 'started' | 'thinking' | 'processing' | 'streaming' | 'done';
  data?: IPartData;
}

export interface IFormattedToolCallPart {
  type: 'data-tool-call';
  toolInfo: IPartData;
}

export interface IToolGroup {
  title: string;
  groupedTools: IFormattedToolCallPart[];
}

export interface IMessage {
  id?: string;
  role: 'user' | 'assistant' | 'system';
  metadata?: any,
  parts: IPart[];
}

export interface IStoredMessage {
  role: 'user' | 'assistant' | 'system';
  text: string;
  turnId?: string;
}

export interface IAgentSession {
  sessionId: string;
  title: string;
  timestamp: string;
  messages: IMessage[];
}

export interface ISessionsListItem {
  sessionId: string;
  title: string;
  timestamp: string;
}

export type SpeechStreamEvent =
  | {
      type: 'error';
      error: string;
    }
  | {
      type: 'transcript';
      data: {
        text: string;
        language?: string;
      };
    }
  | {
      type: 'speech-response';
      data: {
        transcript: {
          text: string;
          language?: string;
        };
        response: {
          text: string;
        };
        sessionId: string;
        turnId: string;
      };
    }
  | {
      type: 'audio-start';
      data: {
        mimeType: string;
        format: string;
        sampleRate: number;
        channelCount: number;
        bitsPerSample: number;
      };
    }
  | {
      type: 'audio-delta';
      data: {
        base64: string;
      };
    }
  | {
      type: 'audio-done';
    }
  | {
      type: 'data-tool-call';
      data: any;
    }
  | {
      type: 'open-page';
      data: {
        targetPath: string;
      };
    }
  | {
      type: 'finish';
    };