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use crate::Vec2;

/// Two bools, one for each axis (X and Y).
#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
pub struct Vec2b {
    pub x: bool,
    pub y: bool,
}

impl Vec2b {
    pub const FALSE: Self = Self { x: false, y: false };
    pub const TRUE: Self = Self { x: true, y: true };

    #[inline]
    pub fn new(x: bool, y: bool) -> Self {
        Self { x, y }
    }

    #[inline]
    pub fn any(&self) -> bool {
        self.x || self.y
    }

    /// Are both `x` and `y` true?
    #[inline]
    pub fn all(&self) -> bool {
        self.x && self.y
    }

    #[inline]
    pub fn and(&self, other: impl Into<Self>) -> Self {
        let other = other.into();
        Self {
            x: self.x && other.x,
            y: self.y && other.y,
        }
    }

    #[inline]
    pub fn or(&self, other: impl Into<Self>) -> Self {
        let other = other.into();
        Self {
            x: self.x || other.x,
            y: self.y || other.y,
        }
    }

    /// Convert to a float `Vec2` where the components are 1.0 for `true` and 0.0 for `false`.
    #[inline]
    pub fn to_vec2(self) -> Vec2 {
        Vec2::new(self.x.into(), self.y.into())
    }
}

impl From<bool> for Vec2b {
    #[inline]
    fn from(val: bool) -> Self {
        Self { x: val, y: val }
    }
}

impl From<[bool; 2]> for Vec2b {
    #[inline]
    fn from([x, y]: [bool; 2]) -> Self {
        Self { x, y }
    }
}

impl std::ops::Index<usize> for Vec2b {
    type Output = bool;

    #[inline(always)]
    fn index(&self, index: usize) -> &bool {
        match index {
            0 => &self.x,
            1 => &self.y,
            _ => panic!("Vec2b index out of bounds: {index}"),
        }
    }
}

impl std::ops::IndexMut<usize> for Vec2b {
    #[inline(always)]
    fn index_mut(&mut self, index: usize) -> &mut bool {
        match index {
            0 => &mut self.x,
            1 => &mut self.y,
            _ => panic!("Vec2b index out of bounds: {index}"),
        }
    }
}

impl std::ops::Not for Vec2b {
    type Output = Self;

    #[inline]
    fn not(self) -> Self::Output {
        Self {
            x: !self.x,
            y: !self.y,
        }
    }
}