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

public class AdvancedTaskIconScript : MonoBehaviour
{
    #region fields

    [SerializeField]
    GameObject abort, addWorker, cancel, UI;

    List<GameObject> taskWorkers = new List<GameObject>();

    CharacterName charName;
    Task task;

    float offsetFromCenter = 125;
    float angleOffset = 45;
    float index = 0;
    float startingAngle = 90;

    #endregion

    #region public methods

    /// <summary>
    /// Initializes the task icon script to have all the right buttons
    /// Will also draw them in the right spots
    /// </summary>
    public void Initialize(CharacterName charName, Task task)
    {
        this.charName = charName;
        this.task = task;

        startingAngle *= Mathf.Deg2Rad;
        angleOffset *= Mathf.Deg2Rad;

        UI.transform.GetComponent<Image>().sprite = task.Icon;

        foreach (CharacterName character in task.WorkingCharacters)
        {
            GameObject newIcon = (Instantiate(GameManager.Instance.RuntimePrefabs[Constants.ADVANCED_TASK_ICON_SUB_ICON_UI], transform.position, Quaternion.identity) as GameObject);
            newIcon.transform.SetParent(UI.transform, false);
            newIcon.GetComponent<AdvancedTaskIconSubIconScript>().Initialize(character);
            taskWorkers.Add(newIcon);
        }

        addWorker.GetComponent<RectTransform>().localPosition = new Vector3(Mathf.Cos(startingAngle + (angleOffset * -index)) * offsetFromCenter, Mathf.Sin(startingAngle + (angleOffset * -index)) * offsetFromCenter);
        index++;

        //Draw each of the characters here in a foreach loop
        foreach (GameObject obj in taskWorkers)
        {
            obj.GetComponent<RectTransform>().localPosition = new Vector3(Mathf.Cos(startingAngle + (angleOffset * -index)) * offsetFromCenter, Mathf.Sin(startingAngle + (angleOffset * -index)) * offsetFromCenter);
            index++;
        }

        abort.GetComponent<RectTransform>().localPosition = new Vector3(Mathf.Cos(startingAngle + (angleOffset * -index)) * offsetFromCenter, Mathf.Sin(startingAngle + (angleOffset * -index)) * offsetFromCenter);
        index++;
        cancel.GetComponent<RectTransform>().localPosition = new Vector3(Mathf.Cos(startingAngle + (angleOffset * -index)) * offsetFromCenter, Mathf.Sin(startingAngle + (angleOffset * -index)) * offsetFromCenter);
        index++;
    }

    /// <summary>
    /// Called when the replace worker button is clicked, returns the worker that we want to replace
    /// </summary>
    public void ReplaceWorker(CharacterName character)
    {
        // "task = new CharacterReplaceTask(blah, blah, bloo)"
        //Perhaps open "are you sure" message
        UIManager.Instance.OpenAgentLoadoutUI(charName, task);
        GameManager.Instance.Audio.PlaySound(GameManager.Instance.Audio.UISource, SoundEffects.minerClick);
        Destroy(this.gameObject);
    }

    /// <summary>
    /// Sends the worker to abort the task, returning all workers that are currently working on it.
    /// </summary>
    public void AbortTask()
    {
        // "task = new AbortTask(blah, blah, bloo)"
        //Perhaps open "are you sure" message
        UIManager.Instance.OpenAgentLoadoutUI(charName, task);
        GameManager.Instance.Audio.PlaySound(GameManager.Instance.Audio.UISource, SoundEffects.minerClick);
        Destroy(this.gameObject);
    }

    /// <summary>
    /// Adds the worker to the selected task
    /// </summary>
    public void AddWorker()
    {
        UIManager.Instance.OpenAgentLoadoutUI(charName, task);
        GameManager.Instance.Audio.PlaySound(GameManager.Instance.Audio.UISource, SoundEffects.minerClick);
        Destroy(this.gameObject);
    }

    public void CancelAction()
    {
        Destroy(this.gameObject);
    }

    #endregion
}