#ifndef MAPGEN_H_INCLUDED
#define MAPGEN_H_INCLUDED

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

#include <png++/png.hpp>
#undef protected

#include "SimplexNoise.h"
#include "fnv.h"
#include "kblib/io.h"
#include "kblib/stringops.h"

enum class spiral {
	none = -1,
	logarithmic,
	archimedian,
	polynomial,
};

inline auto parse_spiral(char c) -> spiral {
	if (c == 'a') {
		return spiral::archimedian;
	} else if (c == 'l') {
		return spiral::logarithmic;
	} else if (c == 'n') {
		return spiral::none;
	} else if (c == 's') {
		return spiral::polynomial;
	} else {
		return spiral::archimedian;
	}
}

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

template <typename pixel>
png::image<pixel> genMap_impl(unsigned cmapID, spiral 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 = kblib::get_file_contents(file);
	return scan_cmap(maps.value(), 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) {}
};

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