#include "protocol.h"

#include "options.h" // Confuse, etc.

#include "slavefuncs.h" // Slave functions

#include <string.h>

#include <stdio.h>

#include <unistd.h>

#include "asprintf.h"

int slavestatus = 0; // Ugh global vars

int main(int argc, char *argv[])

{

int counter;

/* Parses arguments, skips if there are no args */

for(counter=0; counter<argc; counter++){

	if(strcmp(argv[counter], "-h") == 0) {

		fprintf(stderr, "Usage: distrenslave [option] <username> <emailaddr>\nStarts a distren slave\n\t-h\tshow this help\n\t-c\tregisters a user with [username] and [emailaddr] \n");

		return 2;

	}

}

	if(argc>1

		&& (strcmp("-c", argv[1]) == 0))

	{

		char *username;

		char *email;

		if(argc != 4)

		{

			fprintf(stderr, "I need more arguments!\n%d is not enough!\n Invoke 'distrenslave -c <username> <emailaddr> to register. \n Already registered? Edit your distrenslave.conf file!\n'", argc - 1);

			return 234;

		}

		username = argv[2];

		email = argv[3];

		if(!strchr(email, '@'))

		{

			fprintf(stderr, "I want to see an '@' in your email address!\n%s may be good enough for you, but I need more!\n", email);

			return 235;

		}

		if( register_user(username, email) == 1){

			// register_user generates a key, too */

			fprintf(stderr,"Registration successfull. You may now invoke distrenslave with no arguments.\n");

			return 0;

		}

		else{

			fprintf(stderr,"Please try again! :D\n");

			return 0;

		}

	}

/* End arg parser */

/* Option getter: Creates vars to grab stuff from conf, uses the options include to grab this data */

char *username;

username = NULL;

cfg_t * my_cfg;

cfg_opt_t myopts[] = {

		CFG_SIMPLE_STR("username", &username),

		CFG_END()

		};

struct options_common *commonopts;

options_init(argc,argv,&my_cfg, myopts, "slave", &commonopts);

/* End option getter */

/* Notifies the user if there is no username in the conf file */

	if(username == NULL || strcmp(username, "!username") == 0 ){

	  fprintf(stderr, "\nYou didn't register!\nPlease register or edit your config. (see -h)\nIf this error persists, check distrenslave.conf to ensure all items are filled.\n");

	}

	else if( username != NULL || strcmp(username,"!username") != 0 ){

		// Logs ya in:

		if(login_user(username) == 1){

			fprintf(stderr,"You should now be logged into distren.\n");

		}

		else{

			fprintf(stderr,"Login failed. I have no clue why. Sorry.\n");

			return 0;

		}

	}

	else{

	  fprintf(stderr,"Something is terribly wrong!");

	}

/* Somewhat pseudo Rendering code */

/* These should all be filled by remotio and other code */

int jobnum;   // Filled by the server telling the client what to render

int framenum; // same as above

int gotframe; // set this to 1 after data for a job is received from the server

int busy = 0;     // Client business 1=busy 0=idle

char *urltoTar;  // Full URL to the server-side location of job#.tgz

char *pathtoTar; // Full path to the location of the job#.tgz

char *pathtoJobfile; // Full path to the job's main file

// If the slave is getting job info...

	if(gotframe ==1){

		fprintf(stderr, "Received %d in job %d, preparing to render...",framenum,jobnum);

		/* Variable Preparation */

		_distren_asprintf(&urltoTar, "http://protofusion.org/distren/stor/job%d.tgz",jobnum); // Prepares URL to download from

		_distren_asprintf(&pathtoTar, DATAPATH "/stor/jobdata/job%d.tgz", jobnum); // Prepares destination to save to

		_distren_asprintf(&pathtoJobfile, DATAPATH "%s/job.blend", jobdatapath ); // Prepares the path to the jobfile

		//  Download the data

		curlget(jobdataurl, pathtoTar); // Downloads the Tar @TODO: add a progressbar

		exec("tar -xvf" jobdatatar, /tmp/distren/job%d',jobnum,jobnum); // @TODO: How will we do this?

		exec_blender(blendjob, pathtoBlend, outputpath, framenum); // So this should grab data from the struct? I have no idea. @TODO: Ohnobinki, we should clear this up.

		// Consider placing the following in the exec_blender() function

			while(busy == 1){

				tell_the_server(DISTREN_REQUEST_PROGRESS);

				fprintf(stderr, "Rendering frame %d in job %d...",framenum,jobnum);

				sleep(5); // or not... this should be more event-driven, but should still give a heartbeat to the server

			}

			busy = 2;

		busy=1; // When done rendering, set this.

	}

	// When blender is finished, run this...

	if(busy==2){

		fprintf(stderr, "Finished frame %d in job %d, uploading...",framenum,jobnum);

		char *outputurl;

		_distren_asprintf(&outputurl, "http://protofusion.org/distren/stor/job%d/",jobnum); // Throws the jobnum nicely in the string

		curlpost(outputpath, outputurl); // posts the output at outputpath to the server at outputurl

		tell_the_server(DISTREN_REQUEST_DONEFRAME); // AKA "I'm done rendering that frame you sent me"

		busy=0;

		// Slave now becomes idle, doesn't need to tell the server anything, ssh handles this.

		jobnum =

	}

  return 0;

}