#include <array>
#include "geometry.h"

// Buffer layout:
// X, Y, Z, U, V

auto triangle_vertices = std::to_array<float>({
    -0.5f, -0.5f, 0.0f, 1.0f, 1.0f, 
     0.5f, -0.5f, 0.0f, 0.5f, 0.5f,
     0.0f,  0.5f, 0.0f, 0.0f, 0.0f,
});

auto triangle_indices = std::to_array<unsigned int>({
    0, 1, 2
});

auto cube_vertices = std::to_array<float>({
    -0.5f, -0.5f, -0.5f,  0.0f, 0.0f,
     0.5f, -0.5f, -0.5f,  1.0f, 0.0f,
     0.5f,  0.5f, -0.5f,  1.0f, 1.0f,
     0.5f,  0.5f, -0.5f,  1.0f, 1.0f,
    -0.5f,  0.5f, -0.5f,  0.0f, 1.0f,
    -0.5f, -0.5f, -0.5f,  0.0f, 0.0f,

    -0.5f, -0.5f,  0.5f,  0.0f, 0.0f,
     0.5f, -0.5f,  0.5f,  1.0f, 0.0f,
     0.5f,  0.5f,  0.5f,  1.0f, 1.0f,
     0.5f,  0.5f,  0.5f,  1.0f, 1.0f,
    -0.5f,  0.5f,  0.5f,  0.0f, 1.0f,
    -0.5f, -0.5f,  0.5f,  0.0f, 0.0f,

    -0.5f,  0.5f,  0.5f,  1.0f, 0.0f,
    -0.5f,  0.5f, -0.5f,  1.0f, 1.0f,
    -0.5f, -0.5f, -0.5f,  0.0f, 1.0f,
    -0.5f, -0.5f, -0.5f,  0.0f, 1.0f,
    -0.5f, -0.5f,  0.5f,  0.0f, 0.0f,
    -0.5f,  0.5f,  0.5f,  1.0f, 0.0f,

     0.5f,  0.5f,  0.5f,  1.0f, 0.0f,
     0.5f,  0.5f, -0.5f,  1.0f, 1.0f,
     0.5f, -0.5f, -0.5f,  0.0f, 1.0f,
     0.5f, -0.5f, -0.5f,  0.0f, 1.0f,
     0.5f, -0.5f,  0.5f,  0.0f, 0.0f,
     0.5f,  0.5f,  0.5f,  1.0f, 0.0f,

    -0.5f, -0.5f, -0.5f,  0.0f, 1.0f,
     0.5f, -0.5f, -0.5f,  1.0f, 1.0f,
     0.5f, -0.5f,  0.5f,  1.0f, 0.0f,
     0.5f, -0.5f,  0.5f,  1.0f, 0.0f,
    -0.5f, -0.5f,  0.5f,  0.0f, 0.0f,
    -0.5f, -0.5f, -0.5f,  0.0f, 1.0f,

    -0.5f,  0.5f, -0.5f,  0.0f, 1.0f,
     0.5f,  0.5f, -0.5f,  1.0f, 1.0f,
     0.5f,  0.5f,  0.5f,  1.0f, 0.0f,
     0.5f,  0.5f,  0.5f,  1.0f, 0.0f,
    -0.5f,  0.5f,  0.5f,  0.0f, 0.0f,
    -0.5f,  0.5f, -0.5f,  0.0f, 1.0f
});

auto cube_indices = std::to_array<unsigned int>({ 
    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 
    17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 
});

auto square_xyz = std::to_array<float>({
     0.5f,  0.5f, 0.0f,
     0.5f, -0.5f, 0.0f,
    -0.5f, -0.5f, 0.0f,
    -0.5f,  0.5f, 0.0f,
}); 

auto square_uv = std::to_array<float>({
    1.0f, 1.0f, 
    1.0f, 0.0f,
    0.0f, 0.0f,
    0.0f, 1.0f,
}); 

auto square_indices = std::to_array<unsigned int>({
    0, 1, 3, 
    1, 2, 3,
});

namespace LeddaGeometry {
    const Shape TRIANGLE = {
        .indices = triangle_indices.data(),
        .indices_size = sizeof(triangle_indices),
        .uv = triangle_vertices.data(),
        .uv_size = sizeof(triangle_vertices),
        .xyz = triangle_vertices.data(),
        .xyz_size = sizeof(triangle_vertices),
    };

    const Shape SQUARE = {
        .indices = square_indices.data(),
        .indices_size = square_indices.size(),
        .uv = square_uv.data(),
        .uv_size = square_uv.size(),
        .xyz = square_xyz.data(),
        .xyz_size = square_xyz.size(),
    };

    const Shape CUBE = {
        .indices = cube_indices.data(),
        .indices_size = cube_indices.size(),
        .uv = triangle_vertices.data(),
        .uv_size = triangle_vertices.size(),
        .xyz = triangle_vertices.data(),
        .xyz_size = triangle_vertices.size(),
    };
}