UI Issues

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

public class QuestsManager1 : MonoBehaviour
{
    public Font font;
    public Color fontColor;
    public List<Text> questText;
    public Canvas c;
    public int numberOfQuests;
    public List<string> questsString;// = new string[numberOfTexts];
    public Text parentText;

    public List<int> activeQuests;

    public RectTransform initialTextPos;
    float textPosY;
    float textPosX;
    float textWidth = 300;
    float textHeight;

    void Update ()
    {
        //still buggy, fix.  Probs put in the addquests function in the for loop which looks identical.  Save on cpu or whatevs, and looks better in code
        float f = 0;
        for(int i = 0; i < numberOfQuests; i++)
        {
            int j = questText.Count;
            f += questText[i].rectTransform.rect.height;
            if (f == 0)
            {
                f = 35.8f;
            }
            Vector2 parentSizeDelta = new Vector2(parentText.GetComponent<RectTransform>().sizeDelta.x, f);
            parentText.GetComponent<RectTransform>().sizeDelta = parentSizeDelta;
        }

        if(Input.GetKeyDown(KeyCode.A))
        {
            AddQuest("Find mister Chocolate Face");
        }
        if(Input.GetKeyDown(KeyCode.D))
        {
            AddQuest("Eat 10 clocks");
        }
        if(Input.GetKeyDown(KeyCode.L))
        {
            AddQuest("gvcdsahbqjkdfghvsjvfgh sbhjhbfbhsde kweydfgeskufygdfufydsfuydvfkbs f7i6g3i734grwfuwei8fgwefisey fiugudsfygdsvfbdzmfgsdyfsdfgd m,ukfhdskfg dsulngdfkjfhdkfg dffkdfjgf");
        }
        //Read the comment above the functions
        AssignQuestTexts();
    }

    //Change this to only be called once every time a quest is added/removed
    public void AssignQuestTexts()
    {
        for(int i = 0; i < numberOfQuests; i++)
        {
            questText[i].text = questsString[i];
        }
    }

    public void AddQuest(string quest)
    {
        numberOfQuests++;
        questsString.Add(quest);

        GameObject g = GameObject.CreatePrimitive(PrimitiveType.Capsule);

        g.AddComponent<RectTransform>();
        g.AddComponent<CanvasRenderer>();
        g.AddComponent<ContentSizeFitter>();
        g.AddComponent<Text>();
        g.GetComponent<Text>().font = font;
        g.GetComponent<Text>().color = fontColor;
        g.GetComponent<Text>().fontSize = 16;
        g.GetComponent<Text>().alignment = TextAnchor.MiddleLeft;
        g.name = "Quest Text";
        g.tag = "QuestText";
        g.transform.SetParent(parentText.transform);

        Destroy(g.GetComponent<CapsuleCollider>());
        Destroy(g.GetComponent<MeshRenderer>());

        ContentSizeFitter cst = g.GetComponent<ContentSizeFitter> ();
        cst.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
        RectTransform rt = g.GetComponent<RectTransform>();

        Vector2 size = new Vector2 (textWidth, 0);
        Vector3 scale = new Vector3(1,1,1);
        Vector2 pos;

        rt.sizeDelta = size;
        rt.localScale = scale;

        Vector2 max = new Vector2(0.5f, 0.5f);
        Vector2 min = new Vector2(0.5f, 0.5f);
        rt.anchorMax = max;
        rt.anchorMin = min;

        questText.Add(g.GetComponent<Text>());

        textPosX = initialTextPos.localPosition.x;
        textPosY = initialTextPos.localPosition.y;

        float finalPosY;// = textPosY;
        for (int i = 0; i < numberOfQuests; i++)
        {
            textPosY -= questText [i].rectTransform.rect.height; //  this line changes the y postion of the textwe

            if (numberOfQuests == 1)
            {
                //float finalPosY = textPosY;
                finalPosY = (numberOfQuests + textPosY);
                pos = new Vector2(textPosX, finalPosY);
                rt.localPosition = pos;
            }
            else //if(numberOfQuests > 1)
            {
                Debug.Log(g.GetComponent<Text>().rectTransform.rect.height);
                finalPosY = ((-10 * (numberOfQuests - 1)) + textPosY);
                pos = new Vector2(textPosX, finalPosY);
                rt.localPosition = pos;
            }
        }
    }

    public void RemoveQuest(Text quest)
    {
        numberOfQuests--;
        //questID system should be here, don't use Text ffs
        questText.Remove(quest);
    }
}