/* Aloe
 * Copyright (c) 2005 Michael Cohen, Robert C., and Zachary Howe
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the GNU GPL license. See LICENSE for more details
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
#include <fstream>
#include <string>
#include <sstream>
#include <iostream>
#include <vector>
#include "aloe.h"
#include "file.h"

AloeObj* File::reference()
{
	refcount++;
	return this;
}

void File::dereference()
{
	refcount--;
	if (!refcount) delete this;
}

Context* File::protcon()
{
	return &context;
}

std::string File::className()
{
	return "File";
}

double File::asNum()
{
	return 1;
}
std::string File::asString()
{
	std::string line;
	std::string full;
	std::vector<std::string> d;
	while(getline(file, line))
		d.push_back(line);
	for (int i = 0; i<d.size(); i++)
		full= full + std::string(d[i]);
	return full;
	
}

bool File::asBool()
{
	return file.is_open();
}

bool File::equals(AloeObj* oobj)
{
	return oobj == this;
}

AloeObj* File::getvar(std::string varname)
{
	return AloeNil::create();
}

void File::setvar(std::string varname, AloeObj* obj)
{}

AloeObj* File::callfunc(std::string funcname, std::vector<AloeObj*> args)
{
		
	if (funcname == "read")
	{
	std::string line;
	std::string full;
	std::vector<std::string> d;
	while(getline(file, line))
		d.push_back(line);
	for (int i = 0; i<d.size(); i++)
		full = full + d[i] + "\n";
	file.seekp(std::ios_base::beg); //reset cursor position
	return AloeString::create(full);
	
	
	}
	
	if (funcname == "getline")
	{
		std::string line;
		getline(file, line);
		file.seekp(std::ios_base::beg);//reset cursor position		
		return AloeString::create(line);
		
	}
	
	if (funcname == "size")
	{
		double l, m;
		l = file.tellg();
		file.seekg (0, std::ios_base::end);
		m = file.tellg();
		file.seekp(std::ios_base::beg); // reset cursor position
		return AloeNum::create(m-l);
		
		
	}
	
	if (funcname == "close")
	{
		file.close();
		return AloeNum::create(1);
	}
	
	if (funcname == "write")
	{
		if(file.good()){
		file << args[0]->asString();
		file << "Hi\n";
		return AloeString::create(args[0]->asString());
		
	}
	}
	
	
	if (funcname == "input")
	{
	std::string str;
	std::getline(std::cin, str);
	file << str;
	return AloeString::create(str);
	
	}
	
}

File* File::create(std::string name, std::string mode)
{
	return new File(name, mode);
}

File::File(std::string name, std::string mode) : refcount(1), name(name)
{
	file.open(name.c_str(), std::ios_base::in | std::ios_base::out | std::ios_base::ate);
	if(!file){
	std::cout<<"Error: file was not opened, mode was " << mode;
	}

	
}

File::~File()
{}

AloeObj* File::FileContext::getvar(std::string varname)
{
	return AloeNil::create();
}

void File::FileContext::setvar(std::string varname, AloeObj* obj)
{}

AloeObj* File::FileContext::callfunc(std::string funcname, std::vector<AloeObj*> args)
{}