using System;
using System.IO;
using Orbit.AfterEffects.Workspaces;
using Plume.Icons;
using Plume.Perforce.Service.Api;

namespace Orbit.AfterEffects.Actions
{
    /// <summary>
    /// Show the current asset in P4V
    /// </summary>
    public class ShowInPerforceAction : BaseAction
    {
        private readonly IPerforceService _perforceService;
        private readonly IExplorerSelection _appContext;

        /// <inheritdoc />
        public ShowInPerforceAction(IPerforceService perforceService, IExplorerSelection appContext) : 
            base("Show in Perforce", "Open P4V directly focused on the folder of the map.", StandardIcon.Perforce)
        {
            _perforceService = perforceService ?? throw new ArgumentNullException(nameof(perforceService));
            _appContext = appContext ?? throw new ArgumentNullException(nameof(appContext));
        }

        /// <inheritdoc />
        public override void TryExecute()
        {
            if (_appContext.SelectedExplorerAsset == null)
            {
                throw new Exception("No asset selected.");
            }

            string streamRoot = _perforceService.GetCurrentStreamDepotRoot();
            var mapName = _appContext.SelectedExplorerAsset.MapName;
            var mapPath = Path.Combine(streamRoot, "data/World/Maps", mapName);
            if (!Directory.Exists(mapPath))
            {
                if (string.IsNullOrEmpty(streamRoot))
                {
                    throw new InvalidOperationException("Perforce stream is invalid.");
                }

                mapPath = $"{streamRoot}/data/World/MAPS/{mapName}/";
            }

            _perforceService.Connection.ShowInP4V(mapPath);
        }

        /// <inheritdoc />
        public override bool CanExecute()
        {
            return _appContext.SelectedExplorerAsset != null && App.Current.PerforceIsOk && _perforceService.HasCurrentClient;
        }
    }
}