using System.Collections.Generic;
using UnityEngine;

public class SideQuestsManager : MonoBehaviour
{
    [Header("Quest panel")]
    [SerializeField]
    private PanelQuestBehaviour questPanel;

    [Header("Instant gigs")]
    [SerializeField]
    private InstaGigs instaGigs;

    [Header("Locations data")]
	[SerializeField]
	private DataLocationsInfo dataLocsInfo;

	private static SideQuestsManager instance;

    private DataTools.Quest currentQuest;
    private int currentTask = 0;

    private DataTools.Gig generatedGig;

    public static SideQuestsManager Instance
    {
        get
        {
            return instance;
        }
    }

	void Start ()
    {
        instance = this;

        GameGlobal.Instance.OnLocationChanged += OnLocationChanged;
	}

    private void OnLocationChanged(Location location)
    {
        if(currentQuest != null && currentQuest.Tasks != null && currentQuest.Tasks.Count > 0)
        {
            if(location.ID.ToUpper() == currentQuest.Tasks[currentTask].Action.PropertyId.ToUpper())
            {
                questPanel.CompleteSideTask(currentTask);
                currentTask++;
                questPanel.SetSideTask(currentTask);
                StartAction();
            }
        }
    }

    public void StartAction()
    {
        if (currentQuest != null && currentQuest.Tasks != null && currentQuest.Tasks.Count > 0)
        {
            switch(currentQuest.Tasks[currentTask].Action.Type)
            {
                case DataTools.GameActionType.StartGig:
                    {
                        instaGigs.GenerateGigs(currentQuest.Tasks[currentTask].Action.PropertyId, generatedGig);

                        break;
                    }
            }
        }
    }

    private string ExtendLocationDescription(string loc)
    {
        string city = "", state = "";

        dataLocsInfo.GetLocationData(loc, out city, out state);
        loc = WebTools.Phone.TweetBehaviour.Instance.LocationNamePick(loc);

        if (city != string.Empty)
        {
            loc += " in " + city;
        }

        if (state != string.Empty && state != city)
        {
            loc += ", " + state;
        }

        return loc;
    }

    public bool GenerateQuestForGig(DataTools.Gig gig, bool loc_complete = false)
    {
        if (currentQuest != null)
        {
            return false;
        }

        currentTask = 0;

        string gotoDesription = "Go to " + ExtendLocationDescription(gig.Location);
        string doGigDescription = "Complete " + gig.Description;
        List<DataTools.Task> tasks = new List<DataTools.Task>();

        tasks.Add(new DataTools.Task(gotoDesription, new DataTools.GameAction(DataTools.GameActionType.TravelTo, gig.Location), 0));
        tasks.Add(new DataTools.Task(doGigDescription, new DataTools.GameAction(DataTools.GameActionType.StartGig, gig.Id), 0));

        DataTools.Quest newQuest = new DataTools.Quest(tasks, new DataTools.Currency(), gig.Description);

        currentQuest = newQuest;

        questPanel.EnableSideQuests(true);
        questPanel.SetSideQuest(currentQuest);
        questPanel.SetSideTask(0);

        generatedGig = gig;

        if (GameGlobal.Instance.Location == gig.Location || loc_complete)
        {
            questPanel.CompleteSideTask(0);
            questPanel.SetSideTask(1);
            currentTask++;
            StartAction();
        }

        questPanel.ShowSideQuest();

        return true;
    }

    public void CompleteQuest()
    {
        questPanel.RemoveSideQuest();
        questPanel.EnableSideQuests(false);
        currentQuest = null;
    }

    public void GigComleted(string gigId)
    {
        if (currentQuest != null && currentQuest.Tasks != null && currentQuest.Tasks.Count > 0)
        {
            if (gigId == currentQuest.Tasks[currentTask].Action.PropertyId)
            {
                questPanel.CompleteSideTask(currentTask);
                currentTask++;
                questPanel.SetSideTask(currentTask);

                if (currentTask >= currentQuest.Tasks.Count)
                {
                    CompleteQuest();
                }
            }
        }
    }

    public bool IsSideQuestActive
    {
        get
        {
            return currentQuest != null;
        }
    }
}