#ifndef MAPGEN_H_INCLUDED
#define MAPGEN_H_INCLUDED

#include <vector>
#include <array>
#include <string>
#include <tuple>
#include <stdexcept>

#include <png++/png.hpp>

#include "FRC.h"
#include "fnv.h"
#include "SimplexNoise.h"

template<typename pixel>
void genMap(std::vector<std::string> inList);

template<typename pixel>
png::image<pixel> genMap_impl(
	unsigned cmapID,
	bool archimedian,
	float xmin,
	float ymin,
	float width,
	int tileSize
);

using cmap_t = std::vector<std::pair<std::string,png::palette>>;

// Parses a file into a set of named palettes
cmap_t scan_cmap(std::string maps, std::string sourcename);
// Opens file and calls scan_cmap on it
inline cmap_t read_cmap(std::string file)
{
	auto maps = get_file_contents(file);
	return scan_cmap(maps, file);
}
// Reads 6-character hexadecimal string into color
png::color colorFromHex(std::string& hex);

extern const std::string cmaps_default;

extern cmap_t current_cmap;
// Find map named by query
	// 1. find exact match
	// 2. convert query to number
unsigned lookupMap(std::string query);

class malformed_file_error : public std::runtime_error {
public:
	malformed_file_error(std::string e) : std::runtime_error(e) {}
};

extern bool verbose;

#include "cmap.h"

//Increase by changing the FIRST size parameter of cmap and adding new lines
[[deprecated]] static constexpr int numMaps {sizeof(cmap)/sizeof(cmap[0])};
// enum class cmap {Greyscale, Natural, Arctic, Alien, Weird, Ratio, Elevation};
[[deprecated]] static constexpr std::array<const char*,numMaps> mapNames
	{
		"Greyscale",
		"Natural",
		"Arctic",
		"Alien",
		"Weird",
		"LandRatio",
		"ElevLines",
		"ElevColor",
		"map_8",
		"map_9",
		"map_A",
		"map_B",
		"map_C",
		"map_D",
		"map_E",
		"Random",
	};

[[deprecated]] const int
	Greyscale=0,
	Natural=1,
	Arctic=2,
	Alien=3,
	Weird=4,
	Ratio=5,
	Elevation=6;
[[deprecated]] png::palette genColorMap(int type);

#endif //MAPGEN_H_INCLUDED