#include <iostream>
#include <string>
#include "ColorsUI.h"

using namespace std;

//The only constructor
ColorsUI::ColorsUI(int numberOfPlayers)
{
	numPlayers = numberOfPlayers;
}


int ColorsUI::findNumPlayers()
{
	//Queries the user for the number of players
	//Hardcoded to only accept 2-5
	//Returns the number of players desired

	//Note cin can hang when text is entered and it's expecting numbers
	//so I'll use getline

	//Find the number of players
	cout << "Enter number of players (2-5): ";
	int numberOfPlayers=0;
	char buffer[1000];
	cin.sync();
	cin.getline(buffer, sizeof(buffer));
	numberOfPlayers = atoi(buffer);
	while (1)
	{
		if ((numberOfPlayers>=2)&&(numberOfPlayers<=5)) {break;}
		cout << "Please enter the number of players (2-5): ";
		cin.getline(buffer, sizeof(buffer));
		numberOfPlayers = atoi(buffer);
	}
	return numberOfPlayers;
}

void ColorsUI::updateDisplay(vector<struct playerHand> playerHands, vector<struct row> board, bool lastRound)
{
	//Displays the board given the information passed in
	for (int i=0; i<4; i++) {cout << endl;}	//Put some spaces

	//Print out the rows
	if (lastRound==true) {cout << "LAST ROUND!!" << endl;}
	cout << "Current board" <<endl;
	for (int i=0; i<numPlayers; i++)
	{
		cout << "Row #" << i+1 << "| ";  	//Note our internal numbering starts at 0
		if (board[i].taken==true) {cout << "Taken"<<endl;	continue;}
		for (int j=0; j<3; j++)
		{
			int card = board[i].cards[j];
			if (card==-1) {break;}
			cout << cardValues[card] << " ";
		}
		cout << endl;
	}
	cout << endl;
	//Print out the players' hands
	cout << "The players' hands" <<endl;
	for (int i=0; i<numPlayers; i++)
	{
		cout << "Player #" << i+1 << "|  ";	//Note our internal numbering starts at 0
		for (int j=0; j<7; j++)
			{cout << cardValues[j] << ":" << playerHands[i].coloredCards[j] << " ";}
		cout << cardValues[7] << ":" << playerHands[i].wilds << " ";
		cout << cardValues[8] << ":" << playerHands[i].plusTwos << " ";
		cout << "Taken? ";
		if (playerHands[i].taken==true) {cout << "Y";}
		else {cout << "N";}
		cout << endl;
	}

}


bool ColorsUI::getTypeMove(int currentPlayer, bool lastRound)
{
	//Just get the type of move, true if taking a row, false if drawing a card
	cout << endl;
	if (lastRound==true) {cout << "LAST ROUND!!" << endl;}
	cout << "It is player #" << currentPlayer+1 << "'s turn: ";
	
	//Get the action the player is taking
	string playerAction;
	while (1)
	{
		cout << "(D)raw a card or (T)ake a row? ";
		cin >> playerAction;
		if ((playerAction[0]== 'D')||(playerAction[0]== 'd')) {return false;}
		if ((playerAction[0]== 'T')||(playerAction[0]== 't')) {return true;}
		cout << "Invalid action!" << endl;
	}
}


int ColorsUI::getRowMove(bool take, int currentPlayer, int topCard)
{
	//Gets the row the current move affects and returns an int, 0-based
	//Note cin can hang when text is entered and it's expecting numbers
	//so I'll use getline


	//Print out the next card if they chose to draw a card
	if (take==false)	
	{
		cout << endl;
		cout << "The card drawn is ";
		cout << cardValues[topCard] << endl;
		cout << "Please enter the row to place it on: ";
	}
	else
	{
		cout << "Please enter the row to take: ";
	}

	int rowTaken=0;
	char buffer[1000];
	cin.sync();
	cin.getline(buffer, sizeof(buffer));
	rowTaken = atoi(buffer);
	return rowTaken-1;	//Note our internal numbering starts at 0
}


void ColorsUI::invalidMove(int currentPlayer)
{
	//Complains when an invalid move is done
	cout << "Invalid Move!!!" << endl;
	cin.sync();
	return;
}


void ColorsUI::explainRules()
{
	//Checks to see if they want the rules explained and then does so
	//This is the console version so we'll ask in text and print the rules
	//out in pages

	cout << "Would you like to hear the rules? (Y/N) ";
	string answer;
	cin >> answer;
	//The default is yes, unless they type n, or no.
	if ((answer[0]=='n')||(answer[0]=='N')) {return;}

	//Now explain the rules in pages, doing a "press any key to continue"
	//I'm assuming their console will have a scroll bar if they need to backtrack

	cout << "Colors is a card collecting game for 2-5 players.  There are 76 colored cards in the deck.  ";
	cout << "There are 7 colors: (R)ed, (G)reen, (B)lue, (Y)ellow, (P)ink, (S)ilver, (V)iolet ";
	cout << "with 9 cards of each color in the deck.  There are also 3 wilds and 8 cards worth +2 points.  ";
	cout << "The goal is to have the highest score at the end by collecting as many as you can of any three colors, ";
	cout << "but beware, any other colored cards you collect count negatively.  Wilds can count as any color and you ";
	cout << "do not have to specify the color until the end of the game.";
	cout << endl;

	char anyKey[1000];
	cout << "Press enter to continue; ";
	cin.sync();
	cin.getline(anyKey,1000);
	cout << endl;

	cout << "The game is played in rounds.  Cards are drawn one at a time from a face down deck and played in rows on the board by the players.  ";
	cout << "Each round a player may take *one* row into his score pile; after he or she does this, they are completely out of the round.  ";
	cout << "After every player has taken a row, the next round begins and everyone gets to play again.  ";
	cout << "Thus there are as many rows as players in each round.  ";
	cout << "Player proceeds clockwise from whichever player is chosen to go first in the first round.  In subsequent rounds, ";
	cout << "the player to the left of the last player to take a row goes first.  On a player's turn, he may either 1)Draw the top card ";
	cout << "of the deck AND place it on any one of the non-full rows on the board (rows may only hold up to 3 cards) OR 2)Take one ";
	cout << "nonempty row from the board into his score pile (and he is then out for the rest of the round).  It is then the next player's turn.  ";
	cout << "Play continues in this way until the round is over.  By now, every player has taken a row, so the board is clear and the next round starts immediately.  ";
	cout << endl;
	
	cout << "Press enter to continue; ";
	cin.sync();
	cin.getline(anyKey,1000);
	cout << endl;

	cout << "Clearly, when playing cards, a player should take into account the colors each of the other players appear to be collecting.  He or she does not want ";
	cout << "to build a row that is ideal to another player.  The cards players collect in their score piles are public and must be visible at all times.  A player ";
	cout << "does not have to declare what colors they are collecting until the end of the game and thus may change their mind at any time.  ";
	cout << "Cards can NEVER be removed from a score pile, however, so take rows with caution.  ";
	cout << "Wilds are very valuable as they can be added to any color's stack in your score pile at the end of the game.  The +2 points cards are ";
	cout << "simply added to your score at the end of the game.  The game is over when the last round is over.  You know you are on the last round when ";
	cout << "there are no longer enough cards to guarantee that another round can be completed after the current one (i.e. there are not at least 3 * numberOfPlayers cards left in the deck.  ";
	cout << "The game will announce when the current round is definitely the last round.  ";
	cout << endl;

	cout << "Press enter to continue; ";
	cin.sync();
	cin.getline(anyKey,1000);
	cout << endl;

	cout << "Scoring!: " << endl;
	cout << "After the end of the last round, each player declares which three colors he or she would like scored positively, without fail these are the colors with the most cards.  ";
	cout << "Each of these three *colors* is scored according to the chart below.  Notice that it is not linear; specialization is good.  Now, the other four colors for each player are also scored according to the chart ";
	cout << "but negatively!  Wilds are added to the positive scoring color of your choice before you score it.  Note that you get no bonus for having more than 6 of any one color.  ";
	cout << "Each +2 points card simply adds two points to your score at the end.  Now, the player with the highest score wins!  " << endl;
	cout << "Scoring Table" << endl;
	cout << "# of cards \tScore" << endl;
	cout << "1       \t1" << endl;
	cout << "2       \t3" << endl;
	cout << "3       \t6" << endl;
	cout << "4       \t10" << endl;
	cout << "5       \t15" << endl;
	cout << "6-9     \t21" << endl;
	cout << endl;

	cout << "Press enter to play; ";
	cin.sync();
	cin.getline(anyKey,1000);
	cout << endl;

	return;
}

void ColorsUI::printScores(vector<int> allScores)
{
	//Prints out all the scores at the end
	cout << endl;
	cout << "Scores" << endl;
	for (int i=0; i< numPlayers; i++)
		{cout << "Player " << i+1 << " scored " << allScores[i] << endl;}
		//Remember the players are numbered internally starting at 0.
	return;
}

void ColorsUI::printWinners(int topScore, vector<int> winners)
{
	//Prints out the winners!
	cout << endl;
	cout << "The winner";
	int numWinners = winners.size();

	//if there is only 1 winner...
	if (numWinners==1) 
	{
		cout << " is Player ";
		cout << winners[0];
		cout << " with a score of "<< topScore << "!" << endl;
		return;
	}
	//else there are multiple winners
	cout << "s are ";
	//Print out all but the last one
	for (int i=0; i<numWinners-1; i++) {cout << "Player " << winners[i] << " and ";}
	//Print out the last winner
	cout << "Player " << winners[numWinners-1];
	cout << " with a score of "<< topScore << "!" << endl;
	return;
}

bool	ColorsUI::wantNewGame()
{
	//querries for whether a new game is desired
	cout << endl;
	cout << "Would you like to play a new game? (Y/N) ";
	string answer;
	cin >> answer;
	if ((answer[0]=='y')||(answer[0]=='Y'))	{return true;}
	//else
	return false;
}