//! Reimplementation crate of the KeyboardKey and MouseButton structs of raylib, because they do
//! not implement `serde::Serialize` and `serde::Deserialize`. If you have a better idea on how to
//! handle it, feel free.

use raylib::ffi::{KeyboardKey as rlKeyboardKey, MouseButton as rlMouseButton};
use raylib::RaylibHandle;
use serde::{Deserialize, Serialize};
use std::mem;

/// Enum to abstract the distinction of keyboard keys and mouse keys that raylib does away so the
/// user has free reign over what key they use for what purpose.
#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum Button {
    Mouse(MouseButton),
    Keyboard(KeyboardKey),
}

#[repr(u32)]
#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum MouseButton {
    Left = 0,
    Right = 1,
    Middle = 2,
}

#[repr(u32)]
#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum KeyboardKey {
    Apostrophe = 39,
    Comma = 44,
    Minus = 45,
    Period = 46,
    Slash = 47,
    Zero = 48,
    One = 49,
    Two = 50,
    Three = 51,
    Four = 52,
    Five = 53,
    Six = 54,
    Seven = 55,
    Eight = 56,
    Nine = 57,
    Semicolon = 59,
    Equal = 61,
    A = 65,
    B = 66,
    C = 67,
    D = 68,
    E = 69,
    F = 70,
    G = 71,
    H = 72,
    I = 73,
    J = 74,
    K = 75,
    L = 76,
    M = 77,
    N = 78,
    O = 79,
    P = 80,
    Q = 81,
    R = 82,
    S = 83,
    T = 84,
    U = 85,
    V = 86,
    W = 87,
    X = 88,
    Y = 89,
    Z = 90,
    Space = 32,
    Escape = 256,
    Enter = 257,
    Tab = 258,
    Backspace = 259,
    Insert = 260,
    Delete = 261,
    Right = 262,
    Left = 263,
    Down = 264,
    Up = 265,
    PageUp = 266,
    PageDown = 267,
    Home = 268,
    End = 269,
    CapsLock = 280,
    ScrollLock = 281,
    NumLock = 282,
    PrintScreen = 283,
    Pause = 284,
    F1 = 290,
    F2 = 291,
    F3 = 292,
    F4 = 293,
    F5 = 294,
    F6 = 295,
    F7 = 296,
    F8 = 297,
    F9 = 298,
    F10 = 299,
    F11 = 300,
    F12 = 301,
    LeftShift = 340,
    LeftControl = 341,
    LeftAlt = 342,
    LeftSuper = 343,
    RightShift = 344,
    RightControl = 345,
    RightAlt = 346,
    RightSuper = 347,
    Menu = 348,
    LeftBracket = 91,
    Backslash = 92,
    RightBracket = 93,
    Grave = 96,
    Keypad0 = 320,
    Keypad1 = 321,
    Keypad2 = 322,
    Keypad3 = 323,
    Keypad4 = 324,
    Keypad5 = 325,
    Keypad6 = 326,
    Keypad7 = 327,
    Keypad8 = 328,
    Keypad9 = 329,
    KeypadDecimal = 330,
    KeypadDivide = 331,
    KeypadMultiply = 332,
    KeypadSubtract = 333,
    KeypadAdd = 334,
    KeypadEnter = 335,
    KeypadEqual = 336,
}

impl Button {
    pub fn is_pressed(self, rl: &RaylibHandle, mouse_blocked: bool) -> bool {
        match self {
            Self::Mouse(button) => !mouse_blocked && rl.is_mouse_button_pressed(button.into()),
            Self::Keyboard(key) => rl.is_key_pressed(key.into()),
        }
    }
}

impl From<rlMouseButton> for Button {
    fn from(button: rlMouseButton) -> Self {
        Self::Mouse(MouseButton::from(button))
    }
}
impl From<rlKeyboardKey> for Button {
    fn from(key: rlKeyboardKey) -> Self {
        Self::Keyboard(KeyboardKey::from(key))
    }
}

impl From<rlMouseButton> for MouseButton {
    fn from(button: rlMouseButton) -> Self {
        unsafe { mem::transmute(button as u32) }
    }
}
impl Into<rlMouseButton> for MouseButton {
    fn into(self) -> rlMouseButton {
        unsafe { mem::transmute(self as u32) }
    }
}

impl From<rlKeyboardKey> for KeyboardKey {
    fn from(key: rlKeyboardKey) -> Self {
        unsafe { mem::transmute(key as u32) }
    }
}
impl Into<rlKeyboardKey> for KeyboardKey {
    fn into(self) -> rlKeyboardKey {
        unsafe { mem::transmute(self as u32) }
    }
}