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#![no_std]

extern crate num;

pub mod vec1;
pub mod vec2;
pub mod vec3;
pub mod vec4;
pub mod math;
#[macro_use]
pub mod macros;

// Reexports
pub use vec1::Vec1;
pub use vec2::Vec2;
pub use vec3::Vec3;
pub use vec4::Vec4;
pub use math::{VecNum, VecInt, VecUnsigned, VecSigned, VecFloat, VecItemNum, VecItemInt, VecItemUnsigned, VecItemSigned, VecItemFloat};

pub trait VecItem: Copy + Clone + PartialEq {}

pub trait Vec {
    type Item: VecItem;
}

impl VecItem for u8 {}
impl VecItem for u16 {}
impl VecItem for u32 {}
impl VecItem for u64 {}
impl VecItem for u128 {}

impl VecItem for i8 {}
impl VecItem for i16 {}
impl VecItem for i32 {}
impl VecItem for i64 {}
impl VecItem for i128 {}

impl VecItem for f32 {}
impl VecItem for f64 {}

pub type Vec1u = Vec1<u32>;
pub type Vec2u = Vec2<u32>;
pub type Vec3u = Vec3<u32>;
pub type Vec4u = Vec4<u32>;

pub type Vec1i = Vec1<i32>;
pub type Vec2i = Vec2<i32>;
pub type Vec3i = Vec3<i32>;
pub type Vec4i = Vec4<i32>;

pub type Vec1f = Vec1<f32>;
pub type Vec2f = Vec2<f32>;
pub type Vec3f = Vec3<f32>;
pub type Vec4f = Vec4<f32>;

pub mod prelude {
    pub use super::Vec1;
    pub use super::Vec2;
    pub use super::Vec3;
    pub use super::Vec4;

    pub use super::Vec1u;
    pub use super::Vec2u;
    pub use super::Vec3u;
    pub use super::Vec4u;

    pub use super::Vec1i;
    pub use super::Vec2i;
    pub use super::Vec3i;
    pub use super::Vec4i;

    pub use super::Vec1f;
    pub use super::Vec2f;
    pub use super::Vec3f;
    pub use super::Vec4f;
}

#[cfg(test)]
mod tests {
    use super::prelude::*;

    #[test]
    fn basic_construction() {
        let _ = Vec1::new(1u32);
        let _ = Vec2::new(1u32, 2u32);
        let _ = Vec3::new(1u32, 2u32, 3u32);
        let _ = Vec4::new(1u32, 2u32, 3u32, 4u32);

        let _ = Vec2::from((1u32, 2u32));
        let _ = Vec3::from((1u32, 2u32, 3u32));
        let _ = Vec4::from((1u32, 2u32, 3u32, 4u32));
    }

    #[test]
    fn basic_operators() {
        let _ = Vec1u::new(0)          + Vec1u::new(3);
        let _ = Vec2u::new(0, 1)       + Vec2u::new(3, 2);
        let _ = Vec3u::new(0, 1, 2)    + Vec3u::new(3, 2, 1);
        let _ = Vec4u::new(0, 1, 2, 3) + Vec4u::new(3, 2, 1, 0);

        let _ = Vec1u::new(3)          - Vec1u::new(3);
        let _ = Vec2u::new(3, 2)       - Vec2u::new(3, 2);
        let _ = Vec3u::new(3, 2, 1)    - Vec3u::new(3, 2, 1);
        let _ = Vec4u::new(3, 2, 1, 0) - Vec4u::new(3, 2, 1, 0);

        let _ = Vec1u::new(1)          * Vec1u::new(4);
        let _ = Vec2u::new(1, 2)       * Vec2u::new(4, 3);
        let _ = Vec3u::new(1, 2, 3)    * Vec3u::new(4, 3, 2);
        let _ = Vec4u::new(1, 2, 3, 4) * Vec4u::new(4, 3, 2, 1);

        let _ = Vec1u::new(4)          / Vec1u::new(5);
        let _ = Vec2u::new(4, 3)       / Vec2u::new(5, 4);
        let _ = Vec3u::new(4, 3, 2)    / Vec3u::new(5, 4, 3);
        let _ = Vec4u::new(4, 3, 2, 1) / Vec4u::new(5, 4, 3, 2);
    }

    fn pass_vec1u(_: Vec1u) {}
    fn pass_vec2u(_: Vec2u) {}
    fn pass_vec3u(_: Vec3u) {}
    fn pass_vec4u(_: Vec4u) {}

    #[test]
    fn test_pass() {
        pass_vec1u(vec!(1u32));
        pass_vec2u(vec!(1u32, 2u32));
        pass_vec3u(vec!(1u32, 2u32, 3u32));
        pass_vec4u(vec!(1u32, 2u32, 3u32, 4u32));
    }
}