using DiscordRPC.Logging;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;

namespace DiscordRPC.Registry
{
    internal class MacUriSchemeCreator : IUriSchemeCreator
    {
        private ILogger logger;
        public MacUriSchemeCreator(ILogger logger)
        {
            this.logger = logger;
        }

        public bool RegisterUriScheme(UriSchemeRegister register)
        {
            //var home = Environment.GetEnvironmentVariable("HOME");
            //if (string.IsNullOrEmpty(home)) return;     //TODO: Log Error

            string exe = register.ExecutablePath;
            if (string.IsNullOrEmpty(exe))
            {
                logger.Error("Failed to register because the application could not be located.");
                return false;
            }
            
            logger.Trace("Registering Steam Command");

            //Prepare the command
            string command = exe;
            if (register.UsingSteamApp) command = "steam://rungameid/" + register.SteamAppID;
            else logger.Warning("This library does not fully support MacOS URI Scheme Registration.");

            //get the folder ready
            string filepath = "~/Library/Application Support/discord/games";
            var directory = Directory.CreateDirectory(filepath);
            if (!directory.Exists)
            {
                logger.Error("Failed to register because {0} does not exist", filepath);
                return false;
            }

            //Write the contents to file
            File.WriteAllText(filepath + "/" + register.ApplicationID + ".json", "{ \"command\": \"" + command + "\" }");
            logger.Trace("Registered {0}, {1}", filepath + "/" + register.ApplicationID + ".json", command);
            return true;
        }
        
    }
}