using UnityEditor;
using UnityEngine;

namespace Module.NavigationTool.Editor.Toolbar
{
    internal static class ToolbarSettingsProvider
    {
        private static Styles STYLES;
        
        [SettingsProvider]
        public static SettingsProvider GetProvider()
        {
            return new SettingsProvider("Module/Toolbar", SettingsScope.User)
            {
                label = "Toolbar",
                keywords = new[] { "Scene", "UI", "Toolbar" },
                guiHandler = OnGui
            };
        }

        private static void OnGui(string searchContext)
        {
            if (STYLES == null)
                STYLES = new Styles();
            
            STYLES.Initialize((GUI.skin));
            
            EditorGUILayout.BeginVertical(STYLES.settingsGroup);
            {
                EditorGUILayout.LabelField("UI", EditorStyles.boldLabel);
                ToolbarSettings.IsUiEnabled = EditorGUILayout.Toggle("Enable Canvas picker", ToolbarSettings.IsUiEnabled);
                ToolbarSettings.IsUiLayerEnabled = EditorGUILayout.Toggle("Enable Layer toggle", ToolbarSettings.IsUiLayerEnabled);

                EditorGUILayout.Space();
                EditorGUILayout.LabelField("Scene", EditorStyles.boldLabel);
                ToolbarSettings.IsSceneEnabled = EditorGUILayout.Toggle("Enable Scene picker", ToolbarSettings.IsSceneEnabled);
                
                EditorGUILayout.Space();
                EditorGUILayout.LabelField("Time", EditorStyles.boldLabel);
                ToolbarSettings.IsTimeScaleEnabled = EditorGUILayout.Toggle("Enable Time Scale slider", ToolbarSettings.IsTimeScaleEnabled);

                GUI.enabled = ToolbarSettings.IsTimeScaleEnabled;
                float timeScaleMinValue = EditorGUILayout.FloatField("Min Value", ToolbarSettings.TimeScaleMinValue);
                float timeScaleMaxValue = EditorGUILayout.FloatField("Max Value", ToolbarSettings.TimeScaleMaxValue);

                if (!Mathf.Approximately(timeScaleMinValue, ToolbarSettings.TimeScaleMinValue))
                {
                    if (timeScaleMinValue < 0.0f)
                        timeScaleMinValue = 0.0f;

                    if (timeScaleMinValue > timeScaleMaxValue)
                        timeScaleMaxValue = timeScaleMinValue;
                }
                else if (!Mathf.Approximately(timeScaleMaxValue, ToolbarSettings.TimeScaleMaxValue))
                {
                    if (timeScaleMaxValue < 0.0f)
                        timeScaleMaxValue = 0.0f;

                    if (timeScaleMaxValue < timeScaleMinValue)
                        timeScaleMinValue = timeScaleMaxValue;
                }
                
                ToolbarSettings.TimeScaleMinValue = timeScaleMinValue;
                ToolbarSettings.TimeScaleMaxValue = timeScaleMaxValue;
                GUI.enabled = true;
            }
            EditorGUILayout.EndVertical();
        }
    }
}