/* This file is part of Invaders.
 *
 * Copyright (C) 2020 LCM.
 * You may use, distribute and modify Invaders under the terms of the
 * GPLv3 license, available at <https://www.gnu.org/licenses/\>.
 */


#include "definitions.hpp"
#include "rocket.hpp"
#include "enemy.hpp"
#include "player.hpp"
#include "boss.hpp"
#include "powerup.hpp"
#include "functions.hpp"
#include "wall.hpp"

using std::cout;
using std::endl; 
using std::min;
using std::max;

int main(int argc,char** argv)
{

	if(argc>1){
		if(strcmp(argv[1],"--uber-debug")!=0 && strcmp(argv[1],"--info")!=0){
			cout<<"Usage: "<<argv[0]<<" [--info]"<<endl;
			return 1;
		}
	
		if(strcmp(argv[1],"--info")==0){
			cout<<endl<<"Curses Invaders 4.4 - Bossrush"<<endl;
			cout<<endl<<"Game developed by Giacomo Parolini (jp) and Enrico Guiraud (blue) in years 2010-2013."<<endl;
			cout<<"Source code is available under request to jp@lcm.mi.infn.it (it's quite ugly, I warn you ;-) )"<<endl;
			cout<<"Report any bug to the same mail address."<<endl<<endl;
			return 1;
		}
	}

	typedef std::list<bullet> b_list;
  	typedef std::vector<wall> w_vec;
  	typedef std::list<rocket> r_list;
	
	srand(time(NULL));
	
	//OBJECTS INIZIALIZATION

	player player1;						//player is automatically created in [C/2][R]
	boss bosses[5];						//vector of bosses
	b_list bullets;                				//list of player's bullets
	b_list bombs;						//list of enemies' bombs
	b_list powerups;					//list of powerups
	r_list rockets;						//list of rockets
	boss boss1;
	std::list<enemy> enemies;
	int refresh_time=100;          				//how long the program waits before refreshing the screen
	int chflag=0;						//cheat flag: 0=normal, 1=cheats allowed.
	int num=0;
	int commands[CMD_NUM]={'a','d','w','s','p',' ','l','m','q'};
	
	WINDOW *Score,*BossHP;
	
	//PARAMETERS/UTILITIES
	double shootrate;				  	//probability of an enemy shooting a bomb 
	double poweruprate;					//probability of a powerup being dropped
	int walls_num;						//number of walls
	int command;						//keyboard input
	int score=0;					   	//score: gain +100 when an enemy is destroyed and +50 when a bomb is destroyed
	int level=1;						//difficulty level
	
	create_std_bosses();
	std::string bossname1=getenv("HOME");
	bossname1=bossname1+RECORD_DIR+BOSS_FILE1+".dat";
	boss newboss1(1,1,100,9,6,BOSS_FILE1);	
	newboss1.loadpicture(bossname1.c_str());	
	std::string bossname2=getenv("HOME");
	bossname2=bossname2+RECORD_DIR+BOSS_FILE2+".dat";
	boss newboss2(1,1,200,11,5,BOSS_FILE2);
	newboss2.loadpicture(bossname2.c_str());
	std::string bossname3=getenv("HOME");
	bossname3=bossname3+RECORD_DIR+BOSS_FILE3+".dat";
	boss newboss3(1,1,300,9,6,BOSS_FILE3);
	newboss3.loadpicture(bossname3.c_str());
	std::string bossname4=getenv("HOME");
	bossname4=bossname4+RECORD_DIR+BOSS_FILE4+".dat";
	boss newboss4(1,1,400,11,6,BOSS_FILE4);
	newboss4.loadpicture(bossname4.c_str());
	std::string bossname5=getenv("HOME");
	bossname5=bossname5+RECORD_DIR+BOSS_FILE5+".dat";
	boss newboss5(1,1,500,17,5,BOSS_FILE5);
	newboss5.loadpicture(bossname5.c_str());
	
	bosses[0]=newboss1;
	bosses[1]=newboss2;
	bosses[2]=newboss3;
	bosses[3]=newboss4;
	bosses[4]=newboss5;

	boss1=bosses[0];
	boss1.alive=true;

	player1.weaponclass=1;

	//NCURSES STUFF
	initscr();
	curs_set(0);
	noecho();	
	cbreak();
	keypad(stdscr,TRUE);
	start_color();
	init_pair(0,COLOR_WHITE,COLOR_BLACK);
	init_pair(1,COLOR_GREEN,COLOR_BLACK);	//PLAYER
	init_pair(2,COLOR_RED,COLOR_BLACK);	//ENEMY
	init_pair(3,COLOR_YELLOW,COLOR_BLACK);	//BULLETS-POWERUPS
	init_pair(4,COLOR_MAGENTA,COLOR_BLACK);	//WALLS
	init_pair(5,COLOR_CYAN,COLOR_BLACK);	//BOSS
	init_pair(6,COLOR_BLUE,COLOR_BLACK);	//BOMBS
	init_pair(7,COLOR_RED,COLOR_RED);
	init_pair(8,COLOR_GREEN,COLOR_GREEN);
	init_pair(9,COLOR_BLACK,COLOR_GREEN);

	Score=newwin(3,10,R/3,C+3);
	BossHP=newwin(3,15,R/3-3,C+3);

	level = choose_level_bossrush(commands);
	setup_level_bossrush(level, shootrate, poweruprate, walls_num, refresh_time);

	w_vec walls(walls_num);
	int i=0;
	for(w_vec::iterator it=walls.begin(); it!=walls.end(); ++it, ++i)				//creating walls (in a quite symmetric pattern)
		it->create((i+1)*(C/(3*walls_num+1))+i*(2*C/(3*walls_num+1)),2*R/3,(int)min(6,2*C/(3*walls_num+1)),2,3);


	player1.set_commands(commands);

	if(level<3)
		player1.weaponclass=2;

	erase();

	if(argc>1)
		if(strcmp(argv[1],"--uber-debug")==0){ player1.weaponclass=5; player1.weaponclassrkt=5; player1.rocketlauncher=true; player1.length=MAX_LENGTH; }

/////////ENTERING MAIN LOOP

	while(1)
	{
		napms(refresh_time);					//ncurses sleep function (ms)

		timeout(0);
	    	command = getch();
	    	              
	    	if(command!=ERR)                        		//READING INPUT
	    		command = tolower(command);     
	    		           
	    	if(command == commands[8]){ 						//q = exit game
	    		endwin();
	    		cout<<lightgreen<<"Game exited correctly."<<none<<endl;
	    		return 1;
	    	}  

	    	if(command == commands[4])
	    		pause_game(chflag);						//p = pause game

	    	if(chflag==1)									//cheats
	    		get_cheat(command,player1,enemies,shootrate);
	    	        
	    	if(command == commands[0] || command == KEY_LEFT || command == commands[1] || command == KEY_RIGHT || ((command == commands[2]|| command == KEY_UP || command == commands[3] || command == KEY_DOWN) && chflag==1)){   	//a or d = move player (if cheats are triggered, also w and s)
	    		for(int i=player1.x;i<player1.x+player1.length;i++) mvaddch(player1.y,i,' ');	
	    		player1.next_pos(command);	
	    	}	    
	    		
		if(command==commands[5] || command==commands[6]) {               		//spacebar = shoot!
			player1.shoot(bullets);
			if(player1.rocketlauncher) player1.shootrkt(rockets);
		}
						

		for(int i=0;i<boss1.width;i++) mvaddch(boss1.y,boss1.x+i,' ');
		for(int j=0;j<boss1.height;j++){
			mvaddch(boss1.y+j,boss1.x,' ');
			mvaddch(boss1.y+j,boss1.x+boss1.width-1,' ');
		}
		boss1.next_pos();
		if((double)rand()/RAND_MAX<shootrate*10.)		
			boss1.shoot(bombs);	
		
		
		if(!bullets.empty())						//evaluate new bullets' positions
			for(b_list::iterator it=bullets.begin(); it!=bullets.end(); ++it){
				mvaddch(it->y,it->x,' ');
				it->next_pos();
			}
				
		bullets.unique();      					//remove duplicates of bullets (i.e. player can't shoot enemies)

		if(!rockets.empty())						//evaluate new bullets' positions
			for(r_list::iterator it=rockets.begin(); it!=rockets.end(); ++it){
				mvaddch(it->y,it->x,' ');
				it->next_pos();
			}
				
		rockets.unique(); 

		if(!bombs.empty())						//evaluate new bombs' positions
			for(b_list::iterator it=bombs.begin(); it!=bombs.end(); ++it){
				mvaddch(it->y,it->x,' ');
				it->next_pos();
			}
			          	
		bombs.unique();						//remove duplicates of bombs

		if(!powerups.empty())						//new powerups' positions
			for(b_list::iterator it=powerups.begin(); it!=powerups.end(); ++it){
				mvaddch(it->y,it->x,' ');
				it->next_pos();
			}
				
		powerups.unique(); 	 //FIXME: THIS ONLY WORKS ON CONSECUTIVE ELEMENTS OF THE LIST!! we should at least sort powerups before calling unique()

		interactions(player1,bullets,bombs,enemies,walls,powerups,rockets,boss1,score,poweruprate);
		
		
		if(boss1.health<=0)
			if(num<4){
				score+=250*level*(num+1);
				for(int i=max(0,boss1.y-1);i<min(R-1,boss1.y+boss1.height+1);i++)
					for(int j=0;j<C;j++)
						mvaddch(i,j,' ');
				num++;
				mvwprintw(BossHP,0,1,"             ");
				if((double)rand()/RAND_MAX<0.25*num){
					if((double)rand()/RAND_MAX<1./POWERUP_RATIO){
						if((double)rand()/RAND_MAX<1./ROCKET_RATIO){
							powerup newpowerup(boss1.x,boss1.y+1,512);
							powerups.push_back(newpowerup);
						}
						else{
							powerup newpowerup(boss1.x,boss1.y+1,128);
							powerups.push_back(newpowerup);
						}
					}
					else{
						powerup newpowerup(boss1.x,boss1.y+1);
						powerups.push_back(newpowerup);
					}
				}
				if(num==4 && player1.weaponclass<3) player1.weaponclass++;
				boss1=bosses[num];
				boss1.alive=true;
			}

		///////ENDGAME CHECKS               
		if((boss1.health<1 && num==4) || gameover(player1,bombs))
		{
			WINDOW *replay;
			if (boss1.health<1 && num==4)
			{
				Victory_bossrush(boss1.name,score,level,chflag);
				replay=newwin(3,25,26,20);
			} else
			{
				Defeat(score);
				replay=newwin(3,25,17,20);
			}
			box(replay,ACS_VLINE,ACS_HLINE);

			switch(char choice = playagain(replay))	// playagain() returns 'y'/'n'/'q'
			{
				case 'y':
				case 'n':
					delwin(replay);
					timeout(500);
					score=0;
					erase();
					refresh();
					if(choice=='n')
						level = choose_level_bossrush(commands);
					setup_level_bossrush(level, shootrate, poweruprate, walls_num, refresh_time);
					reset(player1, enemies, boss1, bullets, bombs, walls, walls_num, powerups, rockets, chflag); // reset box, player, enemy and deletes all bullets and bombs
					resetbosses(bosses,boss1,player1);
					num=0;
					if(level<3)
						player1.weaponclass=2;
					erase();
					refresh();
					continue;	// Go to the beginning of the main loop
				case 'q':
					endwin();
					cout<<lightgreen<<"Game exited correctly."<<none<<endl;
					return 0;
			}
		}

		draw(player1,bullets,bombs,enemies,walls,powerups,rockets,boss1);
		write_score(Score,score);
	
		if(boss1.alive){
			write_bosshp(BossHP,boss1.health,boss1.healthmax,boss1.name);
			wnoutrefresh(BossHP);
		}
		
		wnoutrefresh(Score);
		refresh();

	}  
////////END OF MAIN LOOP

	endwin();
	return 0;
}