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using UnityEngine;
using PixelCrushers.QuestMachine;

/// <summary>
/// This subclass of UnityUIQuestHUD adds containers to each quest.
/// </summary>
public class CustomQuestHUD : UnityUIQuestHUD
{

    /// <summary>
    /// This is the template for the container that will contain each quest.
    /// </summary>
    [Header("Additional UI Templates")]
    [SerializeField]
    private UnityUIContentTemplate m_questContainerTemplate;

    /// <summary>
    /// We'll record the main HUD container so we can add quest containers to it.
    /// </summary>
    private RectTransform mainContainer = null;

    protected override void Awake()
    {
        base.Awake();
        // Make sure we've assigned the quest container template, and deactivate it:
        if (m_questContainerTemplate == null && Debug.isDebugBuild) Debug.LogError("Quest Machine: Quest Container Template is unassigned.", this);
        if (m_questContainerTemplate != null) m_questContainerTemplate.gameObject.SetActive(false);
    }

    protected override void RefreshNow()
    {
        // Before refreshing the HUD, record a reference to the main
        // container if we haven't recorded it yet:
        if (mainContainer == null) mainContainer = contentContainer;
        base.RefreshNow();
    }

    protected override void AddHeadingContent(HeadingTextQuestContent headingContent)
    {
        // When we're asked to add a quest heading to a quest, create
        // a quest container first. Set this container as the current
        // container to hold upcoming quest content:
        var containerInstance = Instantiate(m_questContainerTemplate, mainContainer);
        currentContentManager.Add(containerInstance, mainContainer);
        containerInstance.gameObject.SetActive(true);
        contentContainer = containerInstance.transform as RectTransform;

        // Then call the base method to add the quest heading to it:
        base.AddHeadingContent(headingContent);
    }

}