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use crate::canvas::managed::handles::{CanvasTextureHandle, CanvasImageHandle, CanvasFontHandle};
use std::sync::Arc;
use vulkano::buffer::BufferAccess;
use std::collections::HashMap;

#[derive(Default, Debug, Clone, Copy)]
pub struct TextureVertex2D {
    pub v_position: [f32; 2],
    pub ti_position: [f32; 2],
}
vulkano::impl_vertex!(TextureVertex2D, v_position, ti_position);

#[derive(Default, Debug, Clone, Copy)]
pub struct ColorVertex2D {
    pub v_position: [f32; 2],
    pub color: [f32; 4],
}
vulkano::impl_vertex!(ColorVertex2D, v_position, color);

#[derive(Default, Debug, Clone, Copy)]
pub struct ImageVertex2D {
    pub v_position: [f32; 2],
    pub color: [f32; 4],
}
vulkano::impl_vertex!(ImageVertex2D, v_position, color);

#[derive(Default, Debug, Clone, Copy)]
pub struct Vertex3D {
    pub v_position: [f32; 3],
    pub color   : [f32; 4],
    pub ti_position: [f32; 2],
}
vulkano::impl_vertex!(Vertex3D, v_position, color, ti_position);

/// Text vertex 3d with vertex position
#[derive(Default, Debug, Clone, Copy)]
pub struct TextVertex3D {
    pub position: [f32; 3],
}

vulkano::impl_vertex!(TextVertex3D, position);

// ==============================================================================

#[derive(Debug, Clone)]
pub enum VertexTypes {
    TextureType(Vec<TextureVertex2D>, Arc<CanvasTextureHandle>),
    ImageType(Vec<ImageVertex2D>, Arc<CanvasImageHandle>),
    ColorType(Vec<ColorVertex2D>),
    ThreeDType(Vec<Vertex3D>),

}

#[derive(Clone)]
pub struct CanvasFrameAllocation {
    pub colored_vertex_buffer: Vec<Arc<(dyn BufferAccess + Send + Sync)>>,
    pub textured_vertex_buffer: HashMap<Arc<CanvasTextureHandle>, Arc<(dyn BufferAccess + Send + Sync)>>,
    pub image_vertex_buffer: HashMap<Arc<CanvasImageHandle>, Arc<(dyn BufferAccess + Send + Sync)>>,
    pub text_instances: HashMap<Arc<CanvasFontHandle>, Arc<(dyn BufferAccess + Send + Sync)>>,
}