// =============================================
//  Aster: constants.h
//  Copyright (c) 2020-2024 Anish Bhobe
// =============================================

#pragma once

#include <cstdint>
#include <cstdio>
#include <optional>
#include <tuple>

#include <glm/glm.hpp>

using c8 = char;
using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using i8 = int8_t;
using i16 = int16_t;
using i32 = int32_t;
using i64 = int64_t;
using f32 = float;
using f64 = double;
using f128 = long double;
using b8 = bool;
using b32 = u32;
using usize = size_t;
using p64 = intptr_t;

constexpr usize strlen_c(const char *s) {
	usize len = 0;
	char c = '\0';
	do {
		c = s[len];
		len++;
	} while (c != '\0');
	return len;
}

constexpr auto ANSI_Black = "\u001b[30m";
constexpr auto ANSI_Red = "\u001b[31m";
constexpr auto ANSI_Green = "\u001b[32m";
constexpr auto ANSI_Yellow = "\u001b[33m";
constexpr auto ANSI_Blue = "\u001b[34m";
constexpr auto ANSI_Magenta = "\u001b[35m";
constexpr auto ANSI_Cyan = "\u001b[36m";
constexpr auto ANSI_White = "\u001b[37m";
constexpr auto ANSI_Reset = "\u001b[0m";

template <typename T>
using Option = std::optional<T>;

template <typename type_t, typename from_t>
constexpr auto cast(from_t &&_in) {
	return static_cast<type_t>(std::forward<from_t>(_in));
}

template <typename type_t, typename from_t>
constexpr auto recast(from_t &&_in) {
	return reinterpret_cast<type_t>(std::forward<from_t>(_in));
}

constexpr f32 operator""_deg(long double degrees) {
	return glm::radians<f32>(cast<f32>(degrees));
}

constexpr f32 operator""_deg(unsigned long long int degrees) {
	return glm::radians<f32>(cast<f32>(degrees));
}

constexpr f32 operator""_rad(long double rads) {
	return cast<f32>(rads);
}

constexpr f32 operator""_rad(unsigned long long int rads) {
	return cast<f32>(rads);
}

using glm::ivec2;
using glm::ivec3;
using glm::ivec4;
using glm::vec2;
using glm::vec3;
using glm::vec4;

using glm::mat2;
using glm::mat3;
using glm::mat4;

constexpr auto *PROJECT_NAME = "Aster";

struct Version {
	u32 major;
	u32 minor;
	u32 patch;
};

constexpr Version VERSION = {
	.major = 0,
	.minor = 1,
	.patch = 0,
};

template <typename T>
constexpr T max_value = std::numeric_limits<T>::max();

template <typename T>
constexpr T min_value = std::numeric_limits<T>::min();

template <typename T>
constexpr T lowest_value = std::numeric_limits<T>::lowest();

template <typename T>
constexpr T err_epsilon = std::numeric_limits<T>::epsilon();

template <typename T>
constexpr T positive_inf = std::numeric_limits<T>::infinity();

template <typename T>
constexpr T negative_inf = -std::numeric_limits<T>::infinity();

template <typename T>
constexpr T qnan = std::numeric_limits<T>::quiet_NaN();

template <typename T>
constexpr T snan = std::numeric_limits<T>::signalling_NaN();