/** Message contract between content scripts, the options page and the background worker. */
import type { AnnotationShape, ElementContext, RecordingStep } from "@ltt/shared";

export interface RecordEvent {
  type: RecordingStep["type"];
  data: Record<string, unknown>;
  /** client timestamp (Date.now()) — background converts to offset_ms */
  at: number;
}

export type ExtensionMessage =
  | { type: "start_picker" }
  | { type: "cancel_picker" }
  | { type: "picked"; element: ElementContext }
  | { type: "capture" }
  | { type: "submit_note"; payload: SubmitNotePayload }
  | { type: "recorder_start" }
  | { type: "recorder_stop" }
  | { type: "recorder_event"; event: RecordEvent }
  | { type: "recorder_note"; text: string }
  | { type: "recorder_screenshot" }
  | { type: "recorder_state"; recording: boolean }
  | { type: "settings_changed" };

export interface SubmitNotePayload {
  element: ElementContext;
  screenshotDataUrl: string;
  annotationShapes: AnnotationShape[] | null;
  comment: string;
  title: string;
  pageUrl: string;
  pageTitle: string;
  environment: Record<string, unknown>;
  /** attachments converted to data URLs for background transport */
  files: { filename: string; mime: string; dataUrl: string }[];
  links: string[];
}

/** Responses from the background worker. */
export interface BackgroundResponse<T = unknown> {
  ok: boolean;
  data?: T;
  error?: string;
}

export interface CaptureResponse {
  dataUrl: string;
}

export interface SubmitResult {
  report_token: string;
}

export interface RecorderState {
  recording: boolean;
  stepCount: number;
  startedAt: number | null;
}