using System;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
using UnityEngine;


    /*
<configs>
    <append xpath="/entity_classes/entity_class[@name='playerMale']">
        <effect_group>
            <triggered_effect trigger="onSelfEnteredGame" action="AddScriptToTransform, SCore" transform="Camera" script="GlobalSnowEffect.GlobalSnow, BetterBiomeEffects"/>
        </effect_group>
    </append>
</configs>
    */
//<triggered_effect trigger="onSelfBuffStart" action="AddScriptToTransform, SCore" transform="Head" script="whatever, SCore" /> 
public class MinEventActionAddScriptToTransform : MinEventActionBuffModifierBase
{
    private string _transform;
    private string _script;

    public override void Execute(MinEventParams _params)
    {
        var type = Type.GetType(_script);
        if (type == null)
        {
            Debug.Log($"No Such Script: {_script}"); 
            return;
        }
        if (_params.Self != null || _params.Self.RootTransform != null)
        {
            var childs = new List<Transform>();

            GetAllChildren(_params.Self.RootTransform, ref childs);
            foreach (var child in childs)
            {
                if (child.name != _transform) continue;
                var component = child.gameObject.GetComponent(_script);
                if (component != null) continue;
                
                //Debug.Log($"Adding {_script} to {child.name} for {_params.Self.EntityName}");
               // child.gameObject.GetOrAddComponent<SphereCollider>();
                child.gameObject.AddComponent(type);
            }
        }

        base.Execute(_params);
    }

    public static void GetAllChildren(Transform parent, ref List <Transform> transforms)
    {
        foreach (Transform t in parent) 
        {
            transforms.Add(t);
            GetAllChildren(t, ref transforms);
        }
 
    }
    public override bool ParseXmlAttribute(XAttribute _attribute)
    {
        var flag = base.ParseXmlAttribute(_attribute);
        if (flag) return true;
        var name = _attribute.Name.LocalName;

        switch (name)
        {
            case null:
                return flag;
            case "transform":
                _transform = _attribute.Value;
                return true;
            case "script":
                _script = _attribute.Value;
                return true;
            default:
                return false;
        }
    }
}