#pragma once

#include "CodegenConfig.hpp"
#include "CodegenDecl.hpp"
#include "CodegenOutput.hpp"

#include <algorithm>
#include <string>
#include <string_view>

// I give up, hopefully nothing overflows this buffer
// TODO handle buffer sizing properly

#define INPLACE_FMT(varName, format, ...) \
	char varName[2048];                   \
	snprintf(varName, sizeof(varName), format, __VA_ARGS__);

#define APPEND_LIT(out, str) \
	out += str

#define APPEND_FMT(out, format, ...)                           \
	{                                                          \
		char buffer[65536];                                    \
		snprintf(buffer, sizeof(buffer), format, __VA_ARGS__); \
		out += buffer;                                         \
	}

#define WRITE_LIT(file, str) \
	fwrite(str, sizeof(char), sizeof(str) - 1, file)

// NOTE: snprintf() returns the size written (given an infinite buffer) not including \0
#define WRITE_FMT(file, format, ...)                                             \
	{                                                                            \
		char buffer[65536];                                                      \
		int size = snprintf(buffer, sizeof(buffer), format, __VA_ARGS__);        \
		fwrite(buffer, sizeof(char), std::min<int>(size, sizeof(buffer)), file); \
	}

#define APPEND_LIT_LN(out, str) APPEND_LIT(out, (str "\n"))
#define APPEND_FMT_LN(out, format, ...) APPEND_FMT(out, (format "\n"), __VA_ARGS__)
#define WRITE_LIT_LN(out, str) WRITE_LIT(out, (str "\n"))
#define WRITE_FMT_LN(out, format, ...) WRITE_FMT(out, (format "\n"), __VA_ARGS__)

namespace Utils {

bool WriteOutputFile(const CodegenOutput& output, const char* path);

std::string JoinNames(DeclNamespace* ns, std::string_view prefix, std::string_view suffix, std::string_view delimiter);
std::string MakeFullName(std::string_view name, DeclNamespace* ns = nullptr);
std::string MakeMangledName(std::string_view name, DeclNamespace* ns = nullptr);

std::vector<std::string_view> SplitIdentifier(std::string_view name);
std::string MakePascalCase(std::string_view name);

void ProduceGeneratedHeader(const char* headerFilename, CodegenOutput& header, const char* sourceFilename, CodegenOutput& source);

} // namespace Utils