export const CHANGE_SOURCES = ["staged", "all", "auto"] as const;

export type ChangeSource = (typeof CHANGE_SOURCES)[number];

export const COMMIT_LANGUAGES = ["en", "zh", "ja", "ko", "de", "fr"] as const;

export type CommitLanguage = (typeof COMMIT_LANGUAGES)[number];

export type ResolvedChangeSource = Exclude<ChangeSource, "auto">;

export interface CommitConfig {
  /** 生效的系统提示词模板名，内容从模板文件加载。 */
  template: string;
  instructions: string | null;
  changeSource: ChangeSource;
  language: CommitLanguage;
  provider: string | null;
  model: string | null;
  maxDiffChars: number;
  maxOutputTokens: number;
  commitHistoryCount: number;
  signoff: boolean;
  timeoutMs: number | null;
}

export interface GitChangeContext {
  root: string;
  branch: string;
  requestedSource: ChangeSource;
  resolvedSource: ResolvedChangeSource;
  stagedFiles: string[];
  worktreeFiles: string[];
  untrackedFiles: string[];
  promptSummary: string;
  promptDiff: string;
  diffTruncated: boolean;
  fingerprint: string;
}

export interface GeneratedCommitMessage {
  message: string;
  modelLabel: string;
}

export type CommitReviewAction = "commit" | "regenerate" | "cancel";

export interface CommitReviewResult {
  action: CommitReviewAction;
  /** 最终确认的提交消息，可能已在审阅对话框中被手动编辑。 */
  message: string;
}

export interface GitCommitResult {
  hash: string;
  output: string;
}