import type { FileDiff } from "./types.ts";

/**
 * Where an edit lands: the working copy, or with `change` a jj commit, whose `identity` is then its commit id, which
 * every rewrite changes.
 */
export type WorkingCopy = {
  machine: string;
  root: string;
  vcs: "jj" | "git";
  identity: string;
  change?: string;
};

export type OpenFile = {
  working: WorkingCopy;
  file: FileDiff;
  original: string;
  content: string;
  version: string;
};

export type Save = {
  session: string;
  id: string;
  working: WorkingCopy;
  path: string;
  version: string;
  content: string;
  /** Save a commit even though its descendants then conflict. */
  force?: boolean;
};

export type Saved = {
  id: string;
  working: WorkingCopy;
  path: string;
  version: string;
  patch: string;
};

export type Event =
  | { type: "saved"; session: string; save: Saved }
  | { type: "finished"; session: string; timestamp: number; paths: string[] };

export type Session = { saves: Saved[]; finished: number | null };
export type State = { sessions: Record<string, Session> };