/*
 * Type Definitions for Gjs (https://gjs.guide/)
 *
 * These type definitions are automatically generated, do not edit them by hand.
 * If you found a bug fix it in ts-for-gir itself or create a bug report on https://github.com/gjsify/ts-for-gjs
 */
import type GLib from "gi://GLib?version=2.0";
import type GObject from "gi://GObject?version=2.0";

declare module "gi://GModule?version=2.0" {
  /**
   * Errors returned by g_module_open_full().
   */
  enum ModuleError {
    /**
     * there was an error loading or opening a module file
     */
    FAILED,
    /**
     * a module returned an error from its `g_module_check_init()` function
     */
    CHECK_FAILED,
  }

  /**
   * Flags passed to g_module_open().
   * Note that these flags are not supported on all platforms.
   * @bitfield
   */
  enum ModuleFlags {
    /**
     * specifies that symbols are only resolved when
     *     needed. The default action is to bind all symbols when the module
     *     is loaded.
     */
    LAZY,
    /**
     * specifies that symbols in the module should
     *     not be added to the global name space. The default action on most
     *     platforms is to place symbols in the module in the global name space,
     *     which may cause conflicts with existing symbols.
     */
    LOCAL,
    /**
     * mask for all flags.
     */
    MASK,
  }

  /**
   * A portable way to build the filename of a module. The platform-specific
   * prefix and suffix are added to the filename, if needed, and the result
   * is added to the directory, using the correct separator character.
   *
   * The directory should specify the directory where the module can be found.
   * It can be %NULL or an empty string to indicate that the module is in a
   * standard platform-specific directory, though this is not recommended
   * since the wrong module may be found.
   *
   * For example, calling g_module_build_path() on a Linux system with a
   * `directory` of `/lib` and a `module_name` of "mylibrary" will return
   * `/lib/libmylibrary.so`. On a Windows system, using `\Windows` as the
   * directory it will return `\Windows\mylibrary.dll`.
   * @param directory the directory where the module is. This can be     %NULL or the empty string to indicate that the standard platform-specific     directories will be used, though that is not recommended
   * @param module_name the name of the module
   * @returns the complete path of the module, including the standard library     prefix and suffix. This should be freed when no longer needed
   */
  function module_build_path(
    directory: string | null,
    module_name: string | null
  ): string | null;
  /**
   * Gets a string describing the last module error.
   * @returns a string describing the last module error
   */
  function module_error(): string | null;
  function module_error_quark(): GLib.Quark;
  /**
   * Checks if modules are supported on the current platform.
   * @returns %TRUE if modules are supported
   */
  function module_supported(): boolean;
  /**
   * Specifies the type of the module initialization function.
   * If a module contains a function named g_module_check_init() it is called
   * automatically when the module is loaded. It is passed the #GModule structure
   * and should return %NULL on success or a string describing the initialization
   * error.
   * @callback
   * @param module the #GModule corresponding to the module which has just been loaded
   * @returns %NULL on success, or a string describing the initialization error
   */
  interface ModuleCheckInit {
    (module: Module): string | null;
  }

  /**
   * Specifies the type of the module function called when it is unloaded.
   * If a module contains a function named g_module_unload() it is called
   * automatically when the module is unloaded.
   * It is passed the #GModule structure.
   * @callback
   * @param module the #GModule about to be unloaded
   */
  interface ModuleUnload {
    (module: Module): void;
  }

  interface Module {
    // Owm methods of GModule-2.0.GModule.Module

    /**
     * Closes a module.
     * @returns %TRUE on success
     */
    close(): boolean;
    /**
     * Ensures that a module will never be unloaded.
     * Any future g_module_close() calls on the module will be ignored.
     */
    make_resident(): void;
    /**
     * Returns the filename that the module was opened with.
     *
     * If `module` refers to the application itself, "main" is returned.
     * @returns the filename of the module
     */
    name(): string | null;
    /**
     * Gets a symbol pointer from a module, such as one exported
     * by %G_MODULE_EXPORT. Note that a valid symbol can be %NULL.
     * @param symbol_name the name of the symbol to find
     * @returns %TRUE on success
     */
    symbol(
      symbol_name: string | null
    ): [/* returnType */ boolean, /* symbol */ any | null];
  }

  /**
   * The #GModule struct is an opaque data structure to represent a
   * [dynamically-loaded module][glib-Dynamic-Loading-of-Modules].
   * It should only be accessed via the following functions.
   * @record
   */
  class Module {
    // Own properties of GModule-2.0.GModule.Module

    static name: string;

    // Constructors of GModule-2.0.GModule.Module

    /**
     * A portable way to build the filename of a module. The platform-specific
     * prefix and suffix are added to the filename, if needed, and the result
     * is added to the directory, using the correct separator character.
     *
     * The directory should specify the directory where the module can be found.
     * It can be %NULL or an empty string to indicate that the module is in a
     * standard platform-specific directory, though this is not recommended
     * since the wrong module may be found.
     *
     * For example, calling g_module_build_path() on a Linux system with a
     * `directory` of `/lib` and a `module_name` of "mylibrary" will return
     * `/lib/libmylibrary.so`. On a Windows system, using `\Windows` as the
     * directory it will return `\Windows\mylibrary.dll`.
     * @param directory the directory where the module is. This can be     %NULL or the empty string to indicate that the standard platform-specific     directories will be used, though that is not recommended
     * @param module_name the name of the module
     * @returns the complete path of the module, including the standard library     prefix and suffix. This should be freed when no longer needed
     */
    static build_path(
      directory: string | null,
      module_name: string | null
    ): string | null;
    /**
     * Gets a string describing the last module error.
     * @returns a string describing the last module error
     */
    static error(): string | null;
    static error_quark(): GLib.Quark;
    /**
     * Checks if modules are supported on the current platform.
     * @returns %TRUE if modules are supported
     */
    static supported(): boolean;
  }

  /**
   * Name of the imported GIR library
   * @see https://gitlab.gnome.org/GNOME/gjs/-/blob/master/gi/ns.cpp#L188
   */
  const __name__: string;
  /**
   * Version of the imported GIR library
   * @see https://gitlab.gnome.org/GNOME/gjs/-/blob/master/gi/ns.cpp#L189
   */
  const __version__: string;
}