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use crate::{
    ffi,
    math::{BoundingBox, Matrix, Ray, RayCollision, Rectangle, Vector2, Vector3},
    model::Mesh,
};

/// Check collision between two rectangles
#[inline]
pub fn check_collision_rects(rec1: Rectangle, rec2: Rectangle) -> bool {
    unsafe { ffi::CheckCollisionRecs(rec1.into(), rec2.into()) }
}

/// Check collision between two circles
#[inline]
pub fn check_collision_circles(
    center1: Vector2,
    radius1: f32,
    center2: Vector2,
    radius2: f32,
) -> bool {
    unsafe { ffi::CheckCollisionCircles(center1.into(), radius1, center2.into(), radius2) }
}

/// Check collision between circle and rectangle
#[inline]
pub fn check_collision_circle_rect(center: Vector2, radius: f32, rec: Rectangle) -> bool {
    unsafe { ffi::CheckCollisionCircleRec(center.into(), radius, rec.into()) }
}

/// Check if point is inside rectangle
#[inline]
pub fn check_point_inside_rect(point: Vector2, rec: Rectangle) -> bool {
    unsafe { ffi::CheckCollisionPointRec(point.into(), rec.into()) }
}

/// Check if point is inside circle
#[inline]
pub fn check_point_inside_circle(point: Vector2, center: Vector2, radius: f32) -> bool {
    unsafe { ffi::CheckCollisionPointCircle(point.into(), center.into(), radius) }
}

/// Check if point is inside a triangle
#[inline]
pub fn check_point_inside_triangle(point: Vector2, p1: Vector2, p2: Vector2, p3: Vector2) -> bool {
    unsafe { ffi::CheckCollisionPointTriangle(point.into(), p1.into(), p2.into(), p3.into()) }
}

/// Check if point is within a polygon described by array of vertices
#[inline]
pub fn check_point_inside_polygon(point: Vector2, points: &[Vector2]) -> bool {
    unsafe {
        ffi::CheckCollisionPointPoly(point.into(), points.as_ptr() as *mut _, points.len() as _)
    }
}

/// Check the collision between two lines defined by two points each, returns collision point
#[inline]
pub fn check_collision_lines(
    start_pos1: Vector2,
    end_pos1: Vector2,
    start_pos2: Vector2,
    end_pos2: Vector2,
) -> Option<Vector2> {
    let mut coll_pt: ffi::Vector2 = ffi::Vector2 { x: 0., y: 0. };

    if unsafe {
        ffi::CheckCollisionLines(
            start_pos1.into(),
            end_pos1.into(),
            start_pos2.into(),
            end_pos2.into(),
            &mut coll_pt as *mut _,
        )
    } {
        Some(coll_pt.into())
    } else {
        None
    }
}

/// Check if point belongs to line created between two points [p1] and [p2] with defined margin in pixels [threshold]
#[inline]
pub fn check_collision_point_line(
    point: Vector2,
    p1: Vector2,
    p2: Vector2,
    threshold: u32,
) -> bool {
    unsafe { ffi::CheckCollisionPointLine(point.into(), p1.into(), p2.into(), threshold as _) }
}

/// Get collision rectangle for two rectangles collision
#[inline]
pub fn get_collision_rect(rec1: Rectangle, rec2: Rectangle) -> Rectangle {
    unsafe { ffi::GetCollisionRec(rec1.into(), rec2.into()).into() }
}

/// Check collision between two spheres
#[inline]
pub fn check_collision_spheres(
    center1: Vector3,
    radius1: f32,
    center2: Vector3,
    radius2: f32,
) -> bool {
    unsafe { ffi::CheckCollisionSpheres(center1.into(), radius1, center2.into(), radius2) }
}

/// Check collision between two bounding boxes
#[inline]
pub fn check_collision_boxes(box1: BoundingBox, box2: BoundingBox) -> bool {
    unsafe { ffi::CheckCollisionBoxes(box1.into(), box2.into()) }
}

/// Check collision between box and sphere
#[inline]
pub fn check_collision_box_sphere(bbox: BoundingBox, center: Vector3, radius: f32) -> bool {
    unsafe { ffi::CheckCollisionBoxSphere(bbox.into(), center.into(), radius) }
}

/// Get collision info between ray and sphere
#[inline]
pub fn get_ray_collision_sphere(ray: Ray, center: Vector3, radius: f32) -> RayCollision {
    unsafe { ffi::GetRayCollisionSphere(ray.into(), center.into(), radius).into() }
}

/// Get collision info between ray and box
#[inline]
pub fn get_ray_collision_box(ray: Ray, bbox: BoundingBox) -> RayCollision {
    unsafe { ffi::GetRayCollisionBox(ray.into(), bbox.into()).into() }
}

/// Get collision info between ray and mesh
#[inline]
pub fn get_ray_collision_mesh(ray: Ray, mesh: Mesh, transform: Matrix) -> RayCollision {
    unsafe { ffi::GetRayCollisionMesh(ray.into(), mesh.raw.clone(), transform.into()).into() }
}

/// Get collision info between ray and triangle
#[inline]
pub fn get_ray_collision_triangle(ray: Ray, p1: Vector3, p2: Vector3, p3: Vector3) -> RayCollision {
    unsafe { ffi::GetRayCollisionTriangle(ray.into(), p1.into(), p2.into(), p3.into()).into() }
}

/// Get collision info between ray and quad
#[inline]
pub fn get_ray_collision_quad(
    ray: Ray,
    p1: Vector3,
    p2: Vector3,
    p3: Vector3,
    p4: Vector3,
) -> RayCollision {
    unsafe {
        ffi::GetRayCollisionQuad(ray.into(), p1.into(), p2.into(), p3.into(), p4.into()).into()
    }
}