#include "game.h"

#include <boost/bind.hpp>

#include <iostream>

Game::p Game::create(Player::p player_1, Player::p player_2, Player::p player_3, Player::p player_4) {
	Game::p p(new Game(player_1, player_2, player_3, player_4));
	p->start();
	return p;
}

Game::~Game() {
	std::cout << "Game destroyed." << std::endl;
}

Game::Game(Player::p player_1, Player::p player_2, Player::p player_3, Player::p player_4) {
	players.push_back(player_1);
	players.push_back(player_2);
	players.push_back(player_3);
	players.push_back(player_4);
}

void Game::handle_ready() {
	std::cout << "Still waiting for " << waiting_players << "." << std::endl;
	
	if(--waiting_players) {
		return;
	}
	
	std::cout << "All ready!" << std::endl;
	
	round_start();
}

void Game::round_start() {
	players[0]->round_start();
	players[1]->round_start();
	players[2]->round_start();
	players[3]->round_start();
	
	// Sett opp runden
	game_state = make_shared<State>();
	
	east_action  = false;
	west_action  = false;
	south_action = false;
	north_action = false;
	
	num_player_actions = 0;
	
	// Simulates drawing 4, 4 ,4 for each player
	for (int player_num = 0; player_num < 4; player_num++) {
		for (int i = 0; i < 3; i++) {
			for (int y = 0; y < 4; y++) {
				game_state->players[player_num].hand.push_back(wall.take_one());
			}
		}
	}
	
	// Simulates the second part of drawing with only 1 tile
	for (int player_num = 0; player_num < 4; player_num++) {
		game_state->players[player_num].hand.push_back(wall.take_one());
	}
	
	// Gives an extra tile to the first player (east)
	game_state->players[0].hand.push_back(wall.take_one());
	
	// Set the action that east can do.
	Action discard;
	discard.type = Action::Discard;
	game_state->possible_actions.push_back(discard);
	
	east_action = true;
	num_player_actions++;
	
	round_update();
}

void Game::round_update() {
	// Send RoundState, inkl. liste av mulige actions.
	
	players[0]->round_state(game_state);
	players[1]->round_state(game_state);
	players[2]->round_state(game_state);
	players[3]->round_state(game_state);
	
	
	// Kall player->get_action(handle_action) for hver spiller som har actions
	if (east_action) {
		players[0]->get_action(boost::bind(&Game::handle_action, shared_from_this(), _1));
	}
	
	if (west_action) {
		players[1]->get_action(boost::bind(&Game::handle_action, shared_from_this(), _1));
	}
	
	if (south_action) {
		players[2]->get_action(boost::bind(&Game::handle_action, shared_from_this(), _1));
	}
	
	if (north_action) {
		players[3]->get_action(boost::bind(&Game::handle_action, shared_from_this(), _1));
	}
}

void Game::handle_action(Action action) {
	// Sjekk action, sjekk om endelig action er avgjort
	// Oppdater state
	// Evt. round_end()
	if (num_player_actions == 0) {
		round_update();
	}
}

void Game::round_end() {
	// Flere runder? round_start()
	// Ferdig? game_end()
}

void Game::start() {
	std::cout << "Started a game with "
		<< players[0]->nick() << ", "
		<< players[1]->nick() << ", "
		<< players[2]->nick() << " and "
		<< players[3]->nick() << "." << std::endl;
	
	waiting_players = 4;
	
	players[0]->game_start(boost::bind(&Game::handle_ready, shared_from_this()), players);
	players[1]->game_start(boost::bind(&Game::handle_ready, shared_from_this()), players);
	players[2]->game_start(boost::bind(&Game::handle_ready, shared_from_this()), players);
	players[3]->game_start(boost::bind(&Game::handle_ready, shared_from_this()), players);
}