/*
 * Copyright (C) 2022 Umut İnan Erdoğan <umutinanerdogan@pm.me>
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#[cfg(target_os = "windows")] const TARGET_PLATFORM: Platform = Platform::Windows;
#[cfg(target_os = "linux")] const TARGET_PLATFORM: Platform = Platform::Linux;
#[cfg(target_os = "macos")] const TARGET_PLATFORM: Platform = Platform::MacOS;
#[cfg(not(any(
    target_os = "windows",
    target_os = "linux",
    target_os = "macos",
)))]
const TARGET_PLATFORM: Platform = Platform::Unknown;

#[non_exhaustive]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
/// An enum of operating systems that are supported by AbleTK. This does not
/// correspond to backends used by AbleTK, and is to be used by applications
/// that have platform-dependent behaviour.
// Contributors: name these according to their marketing names, including
//               capitalisation, only changing the first letter to an upper
//               case letter. E.g. Windows not Win32, MacOS not MacOs or macOS.
pub enum Platform {
    Windows,
    Linux,
    MacOS,
    Unknown
}

impl Platform {
    pub const fn target() -> Self {
        TARGET_PLATFORM
    }
}