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

namespace Assets.Scripts
{
    public class QuestLog : MonoBehaviour
    {
        public Dictionary<string, List<Quest>> quests;
        public GameObject content;
        public Scrollbar scrollBar;
        System.Random rand = new System.Random();
        public GameObject quest;
        public Texture finished;
        public GameObject uiHandler;

        // Start is called before the first frame update
        void Start()
        {
            quests = new Dictionary<string, List<Quest>>();
            quests.Add("find", new List<Quest>());
            GameObject newQuest = Instantiate(quest);
            newQuest.transform.SetParent(content.transform, false);
            FindQuest main = new FindQuest(newQuest);
            main.generateCityQuest();
            quests["find"].Add(main);
        }

        // Update is called once per frame
        void Update()
        {

        }

        public void updateQuests(string key, object obj, int amount)
        {
            if (quests.ContainsKey(key))
            {
                foreach (Quest quest in quests[key])
                {
                    quest.update(obj, amount);
                }
            }
        }

        public void addQuest()
        {
            GameObject newQuest = Instantiate(quest);
            newQuest.transform.SetParent(content.transform, false);
            int index = rand.Next(4);
            string type = "";
            Quest questItem;
            switch (index)
            {
                case 0:
                    type = "collect";
                    questItem = new CollectQuest(newQuest);
                    break;
                case 1:
                    type = "kill";
                    questItem = new KillQuest(newQuest);
                    break;
                case 2:
                    type = "find";
                    questItem = new FindQuest(newQuest);
                    break;
                /*case 3:
                    type = "craft";
                    break;*/
                case 3:
                    type = "explore";
                    questItem = new ExploreQuest(newQuest);
                    break;
                default:
                    questItem = new Quest(newQuest);
                    break;
            }
            if (!quests.ContainsKey(type))
            {
                quests.Add(type, new List<Quest>());
            }
            quests[type].Add(questItem);
        }

        public void showQuests()
        {
            content.GetComponent<RectTransform>().sizeDelta = new Vector2(0, 10);
            float y = -37.5f;
            foreach (string key in quests.Keys)
            {
                foreach (Quest quest in quests[key])
                {
                    quest.show(y);
                    y = y - 75;
                    content.GetComponent<RectTransform>().sizeDelta = new Vector2(0, content.GetComponent<RectTransform>().sizeDelta.y + 75);
                }
            }
            scrollBar.value = 0;
            content.transform.localPosition = new Vector3(0,0,0);
        }

        public void removeQuests()
        {
            Inventory inventory = GameObject.Find("Inventory").GetComponent<Inventory>();
            int luck = GameObject.Find("Player").GetComponent<Player>().getLuck();
            luck = luck + inventory.getEquipmentBonus()["LCK"];
            Dictionary<string, List<Quest>> toDelete = new Dictionary<string, List<Quest>>();
            foreach (string key in quests.Keys)
            {
                foreach (Quest quest in quests[key])
                {
                    if (quest.isFinishedQuest())
                    {
                        if (!toDelete.ContainsKey(key))
                        {
                            toDelete.Add(key, new List<Quest>());
                        }
                        toDelete[key].Add(quest);
                    }
                }
            }

            foreach (string key in toDelete.Keys)
            {
                foreach (Quest quest in toDelete[key])
                {
                    if (quest is CollectQuest)
                    {
                        ((CollectQuest)quest).removeItems(inventory);
                    }
                    quest.delete();
                    quests[key].Remove(quest);
                    inventory.addItem(new Item(luck));
                }
            }
        }
    }

}