// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

declare global {
  interface Window {
    __TAURI_INVOKE__: <T>(cmd: string, args?: unknown) => Promise<T>;
  }
}

interface WindowDef {
  label: string;
}

declare global {
  interface Window {
    __TAURI_METADATA__: {
      __windows: WindowDef[];
      __currentWindow: WindowDef;
    };
  }
}

export enum StateFlags {
  SIZE = 1 << 0,
  POSITION = 1 << 1,
  MAXIMIZED = 1 << 2,
  VISIBLE = 1 << 3,
  DECORATIONS = 1 << 4,
  FULLSCREEN = 1 << 5,
  ALL = SIZE | POSITION | MAXIMIZED | VISIBLE | DECORATIONS | FULLSCREEN,
}

/**
 *  Save the state of all open windows to disk.
 */
async function saveWindowState(flags: StateFlags): Promise<void> {
  return window.__TAURI_INVOKE__("plugin:window-state|save_window_state", {
    flags,
  });
}

/**
 *  Restore the state for the specified window from disk.
 */
async function restoreState(label: string, flags: StateFlags): Promise<void> {
  return window.__TAURI_INVOKE__("plugin:window-state|restore_state", {
    label,
    flags,
  });
}

/**
 *  Restore the state for the current window from disk.
 */
async function restoreStateCurrent(flags: StateFlags): Promise<void> {
  return restoreState(window.__TAURI_METADATA__.__currentWindow.label, flags);
}

export { restoreState, restoreStateCurrent, saveWindowState };