#include "Feedback.h"
#include "FileSystemUtilities.h"

#include <algorithm>
#include <iostream>
#include <vector>

std::vector<LoudMouth*> Lineup;
LoudMouth* Speaker = 0;

static void add(LoudMouth* MP)
{
	std::vector<LoudMouth*>::iterator i = 
		std::find(Lineup.begin(),Lineup.end(),MP);
	if (i == Lineup.end())
		Lineup.push_back(MP);
}

static void request(LoudMouth* MP)
{
	if (!Speaker)
		Speaker = MP;
}

static void remove(LoudMouth* MP)
{
	std::vector<LoudMouth*>::iterator idx =
		std::find(Lineup.begin(),Lineup.end(),MP);
	Lineup.erase(idx);
}


LoudMouth::LoudMouth()
: RequestWord(false), Finished(false)
{
}

LoudMouth::~LoudMouth()
{
}

void LoudMouth::whisper(const std::string& What)
{
	add(this);
	if (Speaker == this)
		std::cout << What;
	else
		Speech += What;
}

void LoudMouth::whisperLn(const std::string& What)
{
	whisper(What);
	whisper(eolTextSequence());
}

void LoudMouth::say(const std::string& What)
{
	RequestWord = true;
	add(this);
	request(this);
	Speech += What;
	if (Speaker == this)
	{
		std::cout << Speech;
		Speech = "";
	}
}

void LoudMouth::sayLn(const std::string& What)
{
	say(What);
	say(eolTextSequence());
}

void LoudMouth::yieldFloor()
{
	Finished = true;
	if (!Speaker || (Speaker == this))
	{
		std::cout << Speech;
		Speech = "";
		remove(this);
		Speaker = 0;
		for (unsigned int i=0; i<Lineup.size();)
		{
			if (Lineup[i]->Finished)
			{
				std::cout << Lineup[i]->Speech;
				remove(Lineup[i]);
			}
			else
				++i;
		}
		for (unsigned int i=0; i<Lineup.size(); ++i)
		{
			if (Lineup[i]->RequestWord)
			{
				request(Lineup[i]);
				std::cout << Lineup[i]->Speech;
				Lineup[i]->Speech = "";
				break;
			}
		}
	}
	else if (Speech == "")
		remove(this);
}