package Zombie2021;

public class Apoc {
    private int numZombies;
    private int daysLeft;
    private Person p;
    private int zombiesKilled=0;
    private int numGunHits=0;
    private int numBluntHits=0;
    private int numRoundsCombat=0;

    public Apoc(int days, Person p){
        this.p=p;
        daysLeft=days;
    }

    public void runSimulation(){
        while( daysLeft>0&&p.getPersonCount()>0&&p.getNumFood()>0){
            eatFood();
            fight();
            if(p.getPersonCount()>0) {
                daysLeft--;
            }
        }
        if(p.getPersonCount()>0&&p.getNumFood()>0){
           System.out.println("You win!");
        }
        else if(p.getNumFood()<=0){
            System.out.println("You all starved");
        }
        else{
            System.out.println("everyone died!");
        }
        System.out.printf("Days survived: %d%n", Utilities.NUM_DAYS-daysLeft);
        System.out.printf("Zombies killed: %d%n", zombiesKilled);
        System.out.printf("Rounds of combat: %d%n", numRoundsCombat);
        System.out.printf("Num gun hits: %d%n", numGunHits);
        System.out.printf("Num blunt hits: %d%n", numBluntHits);

    }

    public void eatFood(){
        p.setNumFood(p.getNumFood()-p.getPersonCount());
    }

    public boolean fight(){
        boolean peopleLeft=p.getPersonCount()>0;
        //generate zombies
        numZombies=Utilities.randomInRange(10,25);
        if(p.getAmmo()>0){
            peopleLeft=gunFight(numZombies);
        }
        else{
            peopleLeft=bluntFight(numZombies);
        }
        return peopleLeft;
    }

    public boolean gunFight(int numZed){
        //fight until all zombies are dead
        //person shoots
        int zHits=0;
        while(numZed>0&&p.getPersonCount()>0){
            if(p.getAmmo()>0) {//shoot
                p.setAmmo(p.getAmmo()-1);//consume ammo
                if (Utilities.randomInRange(1,5)==2) {//hit
                    numGunHits++;
                    zHits++;
                    if(Utilities.randomInRange(1,3)==1||zHits==2){
                        numZed--;
                        zHits=0;
                        zombiesKilled++;
                    }
                }else{//miss with gun
                    if(Utilities.randomInRange(1,3)==1){
                        p.killPerson();
                    }
                }//end gun miss
                numRoundsCombat++;
            }else{//no ammo do blunt fight
                return bluntFight(numZed);
            }
        }
        return p.getPersonCount()>0;
    }

    public boolean bluntFight(int numZed){
        int zHits=0;
        while(p.getPersonCount()>0&&numZed>0){//each iteration is a single hit
            if(Utilities.randomInRange(1,3)==1){
                zHits++;
                numBluntHits++;
                if(Utilities.randomInRange(1,10)==1 || zHits==3){
                    numZed--;
                    zHits=0;
                    zombiesKilled++;
                }
            }else{//miss
                if(Utilities.randomInRange(1,2)==1){
                    p.killPerson();
                }//person dies
            }//end miss
            numRoundsCombat++;
        }//end fight loop
        return p.getPersonCount()>0;
    }//end blunt fight

}