export interface FileChange {
	path: string;
	oldPath?: string;
	status: 'added' | 'modified' | 'deleted' | 'renamed';
	staged: boolean;
	approved: boolean;
	additions: number;
	deletions: number;
}

export interface DiffFile {
	path: string;
	oldPath?: string;
	hunks: DiffHunk[];
	language: string;
	totalLines?: number;
	truncated?: boolean;
}

export interface DiffHunk {
	header: string;
	oldStart: number;
	oldLines: number;
	newStart: number;
	newLines: number;
	lines: DiffLine[];
}

export interface DiffLine {
	type: 'add' | 'del' | 'context';
	content: string;
	html?: string;
	oldNumber?: number;
	newNumber?: number;
}

export type DiffScope = 'uncommitted' | 'worktree';

export type DiffMode = 'full' | 'unstaged';

export interface ChangeInfo {
	changeId: string;
	commitId: string;
	description: string;
	bookmarks: string[];
	isWorkingCopy: boolean;
	parents: string[];
}

export interface ChangeStack {
	main: { changeId: string; commitId: string; description: string } | null;
	/** Effective change being viewed (selected change, or the working copy). */
	current: string | null;
	/** Explicitly selected change, or null when viewing the working copy. */
	selected: string | null;
	workingCopy: string | null;
	changes: ChangeInfo[];
}