/*
 * translate.c
 *
 *  Created on: Feb 12, 2022
 *      Author: Brian.Bailey
 */

#include <stdint.h>
#include <string.h>
#include <stdbool.h>

#include "System/system.h"
#include "languages.h"
#include "translate.h"



//Language names (in the language)
const char *languageNames[] =
{
	"English",	//English
	"Español",	//Spanish
	"Français",	//French
	"Deutsch",	//German
	"Italiano",	//Italian
	"Polski",	//Polish
	"Nederlands",	//Dutch
	"Português",	//Portuguese
	"Русский",	//Russian
	"Svenska",	//Swedish
	"Dansk",	//Danish
	"Eesti",	//Estonian
	"Latviski",	//Latvian
	"Lietuvių kalba",	//Lithuanian
	"Čeština",	//Czech
	"Suomi",	//Finnish
	"Ελληνικά",	//Greek
	"Norsk",	//Norwegian
	"Magyar",	//Hungarian
	"Română",	//Romanian
	"简体中文",	//Chinese
	"한국어",	//Korean
};




const char* Translate(const char *input)
{
	//find the index of the input string in textEnglish[]
	int16_t low = 0;
	int16_t high = NUM_TRANSLATION_STRINGS - 1;
	int16_t mid;
	int16_t compare;	//result of strcmp()
	int16_t index;		//index of the input string in textEnglish[]
	bool done = false;
	const char *translatedString;

	//bisection algorithm

	while ((low <= high) && !done)
	{
		mid = (low + high) / 2;
		compare = strcmp(input, textEnglish[mid]);

		if (compare == 0)		//strings match
		{
			done = true;
		}
		else if (compare < 0)	//correct string is "lower" than result
		{
			high = mid - 1;
		}
		else				//correct string is "higher" than result
		{
			low = mid + 1;
		}
	}

	index = mid;

	if (done == false)		//string not found in array
	{
		translatedString = input;	//return the input string (no translation)
	}
	else
	{
		switch (SYS_GetLanguage())	//language currently used
		{
		case LANG_SPANISH:
			translatedString = textSpanish[index];
			break;
		case LANG_FRENCH:
			translatedString = textFrench[index];
			break;
		case LANG_GERMAN:
			translatedString = textGerman[index];
			break;
		case LANG_ITALIAN:
			translatedString = textItalian[index];
			break;
		case LANG_POLISH:
			translatedString = textPolish[index];
			break;
		case LANG_DUTCH:
			translatedString = textDutch[index];
			break;
		case LANG_PORTUGUESE:
			translatedString = textPortuguese[index];
			break;
		case LANG_RUSSIAN:
			translatedString = textRussian[index];
			break;
		case LANG_SWEDISH:
			translatedString = textSwedish[index];
			break;
		case LANG_DANISH:
			translatedString = textDanish[index];
			break;
		case LANG_ESTONIAN:
			translatedString = textEstonian[index];
			break;
		case LANG_LATVIAN:
			translatedString = textLatvian[index];
			break;
		case LANG_LITHUANIAN:
			translatedString = textLithuanian[index];
			break;
		case LANG_CZECH:
			translatedString = textCzech[index];
			break;
		case LANG_FINNISH:
			translatedString = textFinnish[index];
			break;
		case LANG_GREEK:
			translatedString = textGreek[index];
			break;
		case LANG_NORWEGIAN:
			translatedString = textNorwegian[index];
			break;
		case LANG_HUNGARIAN:
			translatedString = textHungarian[index];
			break;
		case LANG_ROMANIAN:
			translatedString = textRomanian[index];
			break;
		case LANG_CHINESE:
			translatedString = textChinese[index];
			break;
		case LANG_KOREAN:
			translatedString = textKorean[index];
			break;
		default:
			translatedString = textEnglish[index];
			break;
		}
	}

	return translatedString;
}

#if 0
//returns the index of the input string in textEnglish[]
//returns -1 if input string not found
uint16_t GetTranslationIndex(const char *input)
{
	int16_t low = 0;
	int16_t high = NUM_TRANSLATION_STRINGS - 1;
	int16_t mid;
	int16_t compare;

	bool done = false;

	//bisection algorithm

	while ((low <= high) && !done)
	{
		mid = (low + high) / 2;
		compare = strcmp(input, textEnglish[mid]);

		if (compare == 0)		//strings match
		{
			done = true;
		}
		else if (compare < 0)	//correct string is "lower" than result
		{
			high = mid - 1;
		}
		else				//correct string is "higher" than result
		{
			low = mid + 1;
		}
	}

	int16_t retval = mid;
	if (done == false)		//string not found in array
	{
		retval = -1;
	}

	return retval;
}
#endif