import { del, get } from "./api";
import { choiceDialog, confirmDialog, toast } from "./dialogs";
import { t } from "./i18n";
import { formatSize } from "./components/FileFigure";

interface FolderInfo {
  own: boolean;
  path?: string;
  files?: number;
  bytes?: number;
  git?: boolean;
  truncated?: boolean;
}

/**
 * Delete a chat after asking. A chat with a folder of its own (not shared with other chats, not a
 * project) gets the question whether the folder goes with it. Resolves to true when it was deleted.
 */
export async function deleteChat(session: { id: string; parent_id?: string | null }): Promise<boolean> {
  const folder = session.parent_id ? undefined : await get<FolderInfo>(`/sessions/${session.id}/folder`).catch(() => undefined);
  let withFolder = false;
  if (folder?.own) {
    const size = `${folder.truncated ? "> " : ""}${t("chat.folderFiles", { n: folder.files ?? 0 })}, ${formatSize(folder.bytes ?? 0)}`;
    const choice = await choiceDialog({
      title: t("chat.deleteTitle"),
      message: `${t("chat.deleteWithFolder", { path: folder.path ?? "", size })}${folder.git ? `\n\n${t("chat.folderHasGit")}` : ""}`,
      choices: [
        { value: "chat", label: t("chat.deleteOnlyChat") },
        { value: "both", label: t("chat.deleteChatAndFolder"), danger: true },
      ],
    });
    if (!choice) return false;
    withFolder = choice === "both";
  } else if (!(await confirmDialog({ message: t("chat.deleteConfirm"), danger: true, confirmLabel: t("common.delete") }))) {
    return false;
  }
  try {
    const r = await del<{ folder_deleted?: boolean; folder_error?: string }>(`/sessions/${session.id}${withFolder ? "?delete_folder=true" : ""}`);
    if (r?.folder_error) toast(r.folder_error);
    else if (r?.folder_deleted) toast(t("chat.folderDeleted"), "success");
    return true;
  } catch (e: any) {
    toast(e.message);
    return false;
  }
}