looking for a way to register Input from the UI canvas and such

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI;

public class BattleManager : MonoBehaviour {

 public BattleMenu currentMenu;
 public BasePokemon CurrentPokemon;
 public BasePokemon EnemysCurrentPokemon;
 public attack action;
 //public BattleStateMachine BSM;
   
 
 //public List<HandleTurn> PreformList = new List<HandleTurn>();
 //public BasePokemon PlayerPokeInBattle = new BasePokemon();
 //public BasePokemon EnemyPokeInBattle = new BasePokemon();

 [Header("Selection")]
 public GameObject SelectionMenu;
 public GameObject SelectionInfo;
 public Text SelectionInfoText;
 public Text fight;
 private string fightT;
 public Text bag;
 private string bagT;
 public Text pokemon;
 private string pokemonT;
 public Text run;
 private string runT;

 [Header("Player's pokemon")]
 public Text Name;
 public Text HP;    
 public Text level;
 public GameObject HealthBar;
 private string NameT;
 private string HPT;
 private string LvT;
 

 [Header("Opponant's Pokemon")]
 public Text OpponantName;
 public Text OpponantLevel;
 public GameObject OpponantHealthBar;
 private string OpponantName_T;
 private string OpponantLevel_T;
   

 [Header("Moves")]
 public GameObject movesMenu;
 public GameObject movesDetails;
 public Text PP;
 private string PP_T;
 public Text pType;
 private string pType_T;
 public Text moveO;
 private string moveOT;
 public Text moveT;
 private string moveTT;
 public Text moveTH;
 private string moveTHT;
 public Text movef;
 private string movefT;


 [Header("Info")]
 public GameObject InfoMenu;
 public Text InfoText;

 [Header("Misc")]
 public int currentSelection;
 

 
 
 

 void Start () {
     fightT = fight.text;
     bagT = bag.text;
     pokemonT = pokemon.text;
     runT = run.text;

     Debug.Log(CurrentPokemon);
     Debug.Log("move1's text is "+moveO.text);      
     Debug.Log("move2's text is "+moveT.text);
     Debug.Log("move3's etxt is "+moveTH.text);        
     Debug.Log("move4's text is "+movef.text);

    
    

    //battleStates = PerformAction.WAIT;
    //PlayerPokeInBattle = CurrentPokemon;
    // EnemyPokeInBattle = EnemysCurrentPokemon;


 }
 
 
 void Update () {
     

     if(Input.GetKeyDown(KeyCode.DownArrow))
     {
         if (currentSelection < 4)
         {
             currentSelection++;
         }
     }
     
     if (Input.GetKeyDown(KeyCode.UpArrow))
     {
         if (currentSelection > 0)
         {
             currentSelection--;
         }
     }
     
     if (currentSelection == 0) currentSelection = 1;

     moveOT = CurrentPokemon.moves[0].atkName;
     moveTT = CurrentPokemon.moves[1].atkName;
     moveTHT = CurrentPokemon.moves[2].atkName;
     movefT = CurrentPokemon.moves[3].atkName;

     NameT = CurrentPokemon.MonName;
     HPT = CurrentPokemon.HP + "/" + CurrentPokemon.maxHP;
     LvT = "Lv" + CurrentPokemon.level;
     Name.text = NameT;
     HP.text = HPT;
     level.text = LvT;

     OpponantName_T = EnemysCurrentPokemon.MonName;
     OpponantLevel_T = "Lv" + EnemysCurrentPokemon.level;
     OpponantName.text = OpponantName_T;
     OpponantLevel.text = OpponantLevel_T;

     

     switch (currentMenu)
     {
         case BattleMenu.Fight: 
             switch (currentSelection) 
             {
                 case 1:
                     moveO.text = ">" + moveOT;
                     moveT.text = moveTT;
                     moveTH.text = moveTHT;
                     movef.text = movefT;

                     pType_T = CurrentPokemon.moves[0].MoveType.ToString() + "/" + "Type";
                     pType.text = pType_T;
                     PP_T = CurrentPokemon.moves[0].PP.ToString();
                     PP.text = PP_T;


                     break;
                 case 2:
                     moveO.text = moveOT;
                     moveT.text = ">" + moveTT;
                     moveTH.text = moveTHT;
                     movef.text = movefT;

                     pType_T = CurrentPokemon.moves[1].MoveType.ToString() + "/" + "TYPE";
                     pType.text = pType_T;
                     PP_T = CurrentPokemon.moves[1].PP.ToString();
                     PP.text = PP_T;
                     break;
                 case 3:
                     moveO.text = moveOT;
                     moveT.text = moveTT;
                     moveTH.text = ">" + moveTHT;
                     movef.text = movefT;

                     pType_T = CurrentPokemon.moves[2].MoveType.ToString() + "/" + "TYPE";
                     pType.text = pType_T;
                     PP_T = CurrentPokemon.moves[2].PP.ToString();
                     PP.text = PP_T;
                     break;
                 case 4:
                     moveO.text = moveOT;
                     moveT.text = moveTT;
                     moveTH.text = moveTHT;
                     movef.text = ">" +  movefT;

                     pType_T = CurrentPokemon.moves[3].MoveType.ToString() + "/" + "TYPE";
                     pType.text = pType_T;
                     PP_T = CurrentPokemon.moves[3].PP.ToString();
                     PP.text = PP_T;
                     break;                                                                        
             }
         break;
         case BattleMenu.Selection:
             switch (currentSelection)
             {
                 case 1:
                     fight.text = ">" + fightT;
                     bag.text = bagT;
                     pokemon.text = pokemonT;
                     run.text = runT;


                     break;
                 case 2:
                     fight.text = fightT;
                     bag.text = ">" + bagT;
                     pokemon.text = pokemonT;
                     run.text = runT;
                     break;
                 case 3:
                     fight.text = fightT;
                     bag.text = bagT;
                     pokemon.text = ">" + pokemonT;
                     run.text = runT;
                     break;
                 case 4:
                     fight.text = fightT;
                     bag.text = bagT;
                     pokemon.text = pokemonT;
                     run.text = ">" + runT;
                     break;                                                                       
             }
         break;
     }

     if (Input.GetKey(KeyCode.Z) && currentMenu == BattleMenu.Selection)
     {
         //Debug.Log("select (Z was pressed once)");
         if(currentSelection == 1) { ChangeMenu(BattleMenu.Fight); }
         /*if(currentSelection == 3) { ChangeMenu(BattleMenu.Pokemon);}*/                       
     }

     if (Input.GetKey(KeyCode.Z) && currentMenu == BattleMenu.Fight)
     {
        
         switch (currentSelection)
         {
             case 1:
                 action = CurrentPokemon.moves[0];
                 Debug.Log("the move " + action.atkName + " was activated");
                 
                 break;
             case 2: 
                 action = CurrentPokemon.moves[1];
                 Debug.Log("the move " + CurrentPokemon.moves[1].atkName + " was activated");
                 break;
             case 3: 
                 action = CurrentPokemon.moves[2];
                 Debug.Log("the move " + CurrentPokemon.moves[2].atkName + " was activated");
                 break;
             case 4: 
                 action = CurrentPokemon.moves[3];
                 Debug.Log("the move " + CurrentPokemon.moves[3].atkName + " was activated");
                 break;
             
         }
         
        
     }




     if (Input.GetKey(KeyCode.X))
     {
         Debug.Log("return (X was pressed once)");
         ChangeMenu(BattleMenu.Selection);
     }

     
 }

 public void DisplayDamage(GameObject HealthBarGM, float DamageCalculated)
 {
     

 }
   
 public void ChangeMenu (BattleMenu bm)
 {
     currentMenu = bm;
     currentSelection = 0; 

     switch(bm)
     {
         case BattleMenu.Selection:
             SelectionMenu.gameObject.SetActive(true);
             SelectionInfo.gameObject.SetActive(true);
             movesMenu.gameObject.SetActive(false);
             movesDetails.gameObject.SetActive(false);
             InfoMenu.gameObject.SetActive(false);
             break;
         case BattleMenu.Fight:
             SelectionMenu.gameObject.SetActive(false);
             SelectionInfo.gameObject.SetActive(false);
             movesMenu.gameObject.SetActive(true);
             movesDetails.gameObject.SetActive(true);
             InfoMenu.gameObject.SetActive(false);
             break;
         case BattleMenu.Info:
             SelectionMenu.gameObject.SetActive(false);
             SelectionInfo.gameObject.SetActive(false);
             movesMenu.gameObject.SetActive(false);
             movesDetails.gameObject.SetActive(false);
             InfoMenu.gameObject.SetActive(true);
             break;
         
     }
 }

} public enum BattleMenu { Selection, Pokemon, Bag, Fight, Info }