#include <stdio.h>
#include <string.h>



void getCPU(char cpu[]);
void getGPU(char gpu[]);
void getKernel(char kernel[]);
void getUptime(int *hr, int *min);
void getPackages(int *pkgs);
void getShell(char shell[]);

void init(char gpu[], char cpu[], char kernel[], char shell[], int *hr, int *min, int *pkgs){

	getGPU(gpu);
	getCPU(cpu);
	getKernel(kernel);
	getUptime(hr, min);
	getPackages(pkgs);
	getShell(shell);
}







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

	int hr, min, pkgs;
	char kernel[50], shell[25], cpu[70], gpu[70];

	init(gpu, cpu, kernel, shell, &hr, &min, &pkgs);
	

	if ( !strcmp(argv[1], "-lol") ){

		printf("\n");
		printf("\x1b[1m         .          \x1b[36mOS\x1b[0m:        Arch Linux\n");
		printf("\x1b[1m        / \\         \x1b[36mKERNEL\x1b[0m:    %s\n", kernel);
		printf("\x1b[1m       /   \\        \x1b[36mUPTIME\x1b[0m:    %dh, %dm\n", hr, min);
		printf("\x1b[1m      /^.   \\       \x1b[36mPACKAGES\x1b[0m:  %d\n", pkgs);
		printf("\x1b[1m     /  .-.  \\      \x1b[36mSHELL\x1b[0m:     %s\n", shell);
		printf("\x1b[1m    /  (   ) _\\     \x1b[36mCPU\x1b[0m:       %s\n", cpu);
		printf("\x1b[1m   / _.~   ~._^\\    \x1b[36mGPU\x1b[0m:       %s\n", gpu);
		printf("\x1b[1m  /.^         ^.\\   \x1b[36m\x1b[0m        \n");
		printf("\n\n");
	}
	


return 0;
}





void getCPU(char cpu[]){
	FILE *cpuName = popen("grep -m 1 name /proc/cpuinfo | awk -F':' '{print $2}' | cut -c 2- ", "r");

	fscanf(cpuName, "%[^\n]%s", cpu);
	fclose(cpuName);
}

void getGPU(char gpu[]){
	FILE *gpuName = popen("lspci -v | grep VGA -m 1 | awk -F'[' '{ print $2 }' | awk  -F']' '{ print $1 }' ", "r");

	fscanf(gpuName, "%[^\n]%s", gpu);
	fclose(gpuName);
}



void getKernel(char kernel[]){
	FILE *pathKernel = popen("uname -r", "r");
    
	fscanf(pathKernel, "%[^\n]%s", kernel);
	fclose(pathKernel);
}

void getUptime(int *hr, int *min){
	int sec;

	FILE *FUp = fopen("/proc/uptime", "r");

	fscanf(FUp, "%d", &sec);
	fclose(FUp);

	*hr = (sec/60/60%24);
	*min = (sec/60%60);
}

void getPackages(int *pkgs){
	FILE *packages = popen("pacman -Q | wc -l", "r");

	fscanf(packages, "%d", pkgs);
	fclose(packages);
}

void getShell(char shell[]){
	FILE *shellpath = popen("echo $SHELL | awk -F'/' '{ print $NF }'", "r");

	fscanf(shellpath, "%s", shell);
	fclose(shellpath);
}