class Player {
  constructor(){
    this.warrior;
    this.maxHP = 20;
    this.oldHP = null;
  }

  isTakingDmg(warrior) {
    if(warrior.health() < this.oldHP){
      return true;
    }
    return false;
  }

  isSafe(warrior){
    if(this.isTakingDmg(warrior)){
      return false;
    }
    return true;
  }

  isInjured(warrior) {
    if(warrior.health() < this.maxHP) {
      return true;
    }
    return false;
  }

  isCaptive(warrior){
    if(warrior.feel().getUnit().isBound()){
      return true;
    }
    return false;
  }

  isDmgFromAfar(warrior){

    if(this.isTakingDmg(warrior)){
      return true;
    }
    return false;
  }

  playTurn(warrior) {
    // Cool code goes here.

    let action = 'move';

    if(this.isSafe(warrior) && this.isInjured(warrior)){
      action = 'rest'
    }
    // else if(warrior.feel().isEmpty() && this.isTakingDmg(warrior)){
    //   action = 'move'
    // }
    else if(!this.isSafe(warrior)){
      action = 'seekEnemy'
    }
    else if (!this.isSafe(warrior) && warrior.health() < this.maxHP / 2) {
      action = 'run'
    }
    else if(warrior.feel().getUnit()){
      action = 'fight'
    }

    switch(action){
      case 'move':
        warrior.walk()
        break;
      case 'fight':
        warrior.attack()
        break;
      case 'rest':
        warrior.rest()
        break;
      case 'run':
        warrior.walk('backward')
        break;
      case 'seekEnemy':
        //TODO
        if(warrior.feel().isEmpty() && warrior.health() < 15){
          warrior.walk()
        }else{
          warrior.attack()
        }
        break;
      case 'rescue':
        warrior.rescue()
        break;
      default:
        break;
    }

    this.oldHP = warrior.health()
  }
}