#include "serviceWindowGenerationFromText.h"


#define PATH_LIBRAS "libras/video/"
#define OUTPUT_VIDEO_WEB "gtaaas_user/gtaaas-plugin-server/videos/libras.webm"
#define MAX_SIZE_PATH 256

ServiceWindowGenerationFromText::ServiceWindowGenerationFromText (char* _path_file, char* _username, int _transp, int _serviceType, char* _client_type) {

	path_file = _path_file;
	client_type = _client_type;
    setTransparency(_transp);
    setServiceType(_serviceType);
	char* final_path = new char[MAX_SIZE_PATH];
    strcpy(final_path, PATH_LIBRAS);
    strcat(final_path, _username);
    strcat(final_path, ".ts");

	setPathLibras(final_path);

	alive = true;
    DPRINTF("Done!\n");

}

ServiceWindowGenerationFromText::~ServiceWindowGenerationFromText() {
	delete extratorTXT;
	DDDPRINTF("Service Text finished!\n");
}

void ServiceWindowGenerationFromText::initialize() {
	DDPRINTF("Service Text Initialize.\n");

    extratorTXT = new ExtratorTXT();	    
    extratorTXT->addListener(this);
    extratorTXT->setFilePath((char*) path_file);
    
    ServiceWindowGeneration::initialize();

    try{
  	    extratorTXT->initialize();            
    }catch(ExtratorTxtException ex){
        throw ServiceException(ex.getMessage());
    }
    this->Start();
}

void ServiceWindowGenerationFromText::notifyEnd(int line_size) {
    DDPRINTF("Service SRT recebeu: %d linhas.\n", line_size);
    setSizeOfSubtitles(line_size);
}

void ServiceWindowGenerationFromText::notificaTradutor(unsigned char* line) {
	tradutor->traduz(line);
}

bool ServiceWindowGenerationFromText::isAlive() {
	return alive;
}

void ServiceWindowGenerationFromText::Run() {	
	while (isRunning()) {	  
	    usleep(200000); //200ms
	}	
	if (strcmp(client_type, (char*)"WEB") == 0) {
		printf("[INFO]: A transcodificação para .webm está ativada!\n");
		transcodeVideoToWebm();
	}
	alive = false;
}

void ServiceWindowGenerationFromText::transcodeVideoToWebm() {

	FILE *video_webm;
	video_webm = fopen(OUTPUT_VIDEO_WEB, "r");
	if (video_webm != NULL) {
		string cmd = "rm ";
		cmd.append(OUTPUT_VIDEO_WEB);
		printf("[INFO]: Remove video libras.webm: %s\n", cmd.c_str());
		system(cmd.c_str());
		fclose(video_webm);
	}
	
	char* command = (char*) malloc (INT_MAX);
	strcpy(command, "ffmpeg -i ");
	strcat(command, PATH_LIBRAS);
	strcat(command, " -vcodec libvpx -acodec libvorbis ");
	strcat(command, OUTPUT_VIDEO_WEB);
	printf("[INFO]: Transcodification command -> %s\n", command);
	system(command);
	free(video_webm);
	free(command);	
}