using System;
using System.Collections.Generic;
using AlicizaX.Runtime;
using AlicizaX.UI.Runtime;

namespace AlicizaX.UI.Runtime
{
    internal sealed partial class UIManager
    {
        private readonly Dictionary<string, PanelInfo> m_PanelCfgMap = new Dictionary<string, PanelInfo>();

        private PanelInfo GetWindowInfo(Type type)
        {
            string windowName = type.Name;
            if (!m_PanelCfgMap.ContainsKey(windowName))
            {
                var info = GetWindowAttributeInfo(type);
                m_PanelCfgMap.Add(windowName, info);
            }

            return m_PanelCfgMap[windowName];
        }

        private PanelInfo GetWindowAttributeInfo(Type type)
        {
            string windowName = type.Name;
            WindowAttribute windowAttribute = Attribute.GetCustomAttribute(type, typeof(WindowAttribute)) as WindowAttribute;

            if (windowAttribute == null)
                throw new GameFrameworkException($"Window {type.FullName} WindowAttribute can be null.");

            UIResAttribute resAttribute = Attribute.GetCustomAttribute(type, typeof(UIResAttribute)) as UIResAttribute;
            if (resAttribute == null)
                throw new GameFrameworkException($"Window {type.FullName} UIResAttribute can be null.");

            return PanelInfo.Create(windowName, resAttribute.ResLoadType, windowAttribute.WindowLayer, windowAttribute.FullScreen, resAttribute.ResLocation, windowAttribute.DelayedClose, type);
        }
    }
}