/*
* launch.cpp
* Benjamin Bertka - 23306103
* bbertka@mss.icics.ubc.ca
*
* CICS505 - os6 partA
*/

#include "windows.h"
#include <string>
#include <iostream>
#include <fstream>
#include "MyProcess.h"
/*
* This program reads windows application executables
* from a text file and executes each one in sequence.
*/
using namespace std;
/*
* Creates a MyProcess process to execute a specific command
* @param cmd - The command to execute
* PRE: command is a valid command
* POST: return true if process was successfully created
* or returns false if there was a problem
*/
bool doProcess(string cmd){
			MyProcess process2;
			process2.setTitle(const_cast<char*>(cmd.c_str()));
			process2.setCommand(const_cast<char*>(cmd.c_str()));
			if(!process2.create()){
				cout << "Error: could not execute: " << cmd << endl;
				return false;
			}
			process2.print();
			process2.wait();
			process2.close();
	return true;
}

/*
* Reads a textfile containing commands to execute
* and sends each command for process creation
* @param list - the list of commands
* PRE: the list of commands has something in it
* POST: returns true if all comands executed
* or returns false if one command had a problem
*/
bool readProcessList(char* list){
	char command[256];
	ifstream ifs (list, ifstream::in);
	for( int i = 0; ifs.good(); ++i){
		ifs.getline(command, 256);
		string str = command;
		if(str.size() > 1){
			if(!doProcess(str)){
				return false;
			}
		}
	}
	return true;
}

/*
* the main entry poin to this program
* reads command list from user, and
* sends the list to be processed and commands executed
* @param argv[1] - the list of commands
* PRE:  the list of commands is valid and readable
* POST: prints eror message if a problem with methods
* defined above.
*/
int main(int argc, char **argv){

if(argc != 2){
	cout << "Error. Not enough args." << endl;
	cout << "Usage: launch.exe [list.txt]" << endl;
	return 1;

}else if(!readProcessList(argv[1])){
	cout << "Error. Bad list format." << endl;
	cout << "Usage: launch.exe [list.txt]" << endl;
	return 1;
}

return 0;

}