using UnityEditor;
using System.IO;
using System.Text.RegularExpressions;

namespace MTAssets.EasyMeshCombiner.Editor
{
    /*
     * This class is responsible for displaying the welcome message when installing this asset.
     */

    [InitializeOnLoad]
    class Greetings
    {
        //This asset parameters 

        public static string assetName = "Easy Mesh Combiner";
        public static string pathForThisAsset = "Assets/Plugins/MT Assets/Easy Mesh Combiner";
        public static string pathForThisAssetDocumentation = "/_Documentation/Documentation (Open With Browser).html";
        public static string optionalObservation = "";
        public static string pathToGreetingsFile = "Assets/Plugins/MT Assets/_AssetsData/Greetings/GreetingsData.Emc.ini";
        public static string linkForAssetStorePage = "https://assetstore.unity.com/publishers/40306";
        public static string linkForDiscordCommunity = "https://discord.gg/44aGAt4Sv4";

        //Greetings script methods

        static Greetings()
        {
            //Run the script after Unity compiles
            EditorApplication.delayCall += Run;
        }

        static void Run()
        {
            //Create base directory "_AssetsData" and "Greetings" if not exists yet
            CreateBaseDirectoriesIfNotExists();

            //Verify if the greetings message already showed, if not yet, show the message
            VerifyAndShowAssetGreentingsMessageIfNeverShowedYet();
        }

        public static void CreateBaseDirectoriesIfNotExists()
        {
            //Create the directory to feedbacks folder, of this asset
            if (!AssetDatabase.IsValidFolder("Assets/Plugins/MT Assets"))
                AssetDatabase.CreateFolder("Assets/Plugins", "MT Assets");
            if (!AssetDatabase.IsValidFolder("Assets/Plugins/MT Assets/_AssetsData"))
                AssetDatabase.CreateFolder("Assets/Plugins/MT Assets", "_AssetsData");
            if (!AssetDatabase.IsValidFolder("Assets/Plugins/MT Assets/_AssetsData/Greetings"))
                AssetDatabase.CreateFolder("Assets/Plugins/MT Assets/_AssetsData", "Greetings");
        }

        public static void VerifyAndShowAssetGreentingsMessageIfNeverShowedYet()
        {
            //If the greetings file not exists
            if (AssetDatabase.LoadAssetAtPath(pathToGreetingsFile, typeof(object)) == null)
            {
                //Create a new greetings file
                File.WriteAllText(pathToGreetingsFile, "Done");

                //Show greetings and save 
                Regex regexFilter = new Regex("Assets/");
                bool optionClicked = EditorUtility.DisplayDialog(assetName + " was imported!",
                    "The " + assetName + " was imported for your project. Please do not change the directory of the files for this asset. You should be able to locate it in the folder \"" + regexFilter.Replace(pathForThisAsset, "", 1) + "\"" +
                    "\n\n" +
                    ((string.IsNullOrEmpty(optionalObservation) == false) ? optionalObservation + "\n\n" : "") +
                    "Remember to read the documentation to understand how to use this asset and get the most out of it!" +
                    "\n\n" +
                    "You can get support at email (mtassets@windsoft.xyz)" +
                    "\n\n" +
                    "- Thank you for purchasing the asset! :)",
                    "Ok, Cool!", "Open Documentation");

                //If clicked on "Ok, Cool!"
                if (optionClicked == true)
                {
                    //Select the folder of project
                    UnityEngine.Object assetFolder = (UnityEngine.Object)AssetDatabase.LoadAssetAtPath(pathForThisAsset, typeof(UnityEngine.Object));
                    Selection.activeObject = assetFolder;
                    EditorGUIUtility.PingObject(assetFolder);
                }
                //If clicked on "Open Documentation"
                if (optionClicked == false)
                {
                    //Select the folder of project
                    UnityEngine.Object docItem = (UnityEngine.Object)AssetDatabase.LoadAssetAtPath(pathForThisAsset + pathForThisAssetDocumentation, typeof(UnityEngine.Object));
                    Selection.activeObject = docItem;
                    EditorGUIUtility.PingObject(docItem);
                    AssetDatabase.OpenAsset(docItem);
                }

                //Show discord MT Assets Community invite
                bool joinOptionClicked = EditorUtility.DisplayDialog("MT Assets Community on Discord",
                                                "The MT Assets Community on Discord is a place where you can get support for the MT Assets tools, you will also be able to send suggestions, ask questions, find out about news in advance and " +
                                                "interact with the community of devs and customers who also use MT Assets tools. It is worth checking!\n\nWould you like to join the MT Assets Community on Discord?",
                                                "Join MT Assets Community on Discord!", "No, thank you");
                //If clicked on Join the Community
                if (joinOptionClicked == true)
                    Help.BrowseURL(Greetings.linkForDiscordCommunity);

                //Update files
                AssetDatabase.Refresh();
            }
        }
    }
}