using System;
using System.Threading.Tasks;
using Dalamud.Game.Gui;
using Grpc.Core;
using Microsoft.Extensions.Logging;
using Pal.Client.Configuration;
using Pal.Client.Extensions;
using Pal.Client.Net;
using Pal.Client.Properties;
using Pal.Client.Windows;

namespace Pal.Client.DependencyInjection;

internal sealed class StatisticsService
{
    private readonly IPalacePalConfiguration _configuration;
    private readonly ILogger<StatisticsService> _logger;
    private readonly RemoteApi _remoteApi;
    private readonly StatisticsWindow _statisticsWindow;
    private readonly Chat _chat;

    public StatisticsService(
        IPalacePalConfiguration configuration,
        ILogger<StatisticsService> logger,
        RemoteApi remoteApi,
        StatisticsWindow statisticsWindow,
        Chat chat)
    {
        _configuration = configuration;
        _logger = logger;
        _remoteApi = remoteApi;
        _statisticsWindow = statisticsWindow;
        _chat = chat;
    }

    public void ShowGlobalStatistics()
    {
        Task.Run(async () => await FetchFloorStatistics());
    }

    private async Task FetchFloorStatistics()
    {
        try
        {
            if (!_configuration.HasRoleOnCurrentServer(RemoteApi.RemoteUrl, "statistics:view"))
            {
                _chat.Error(Localization.Command_pal_stats_CurrentFloor);
                return;
            }

            var (success, floorStatistics) = await _remoteApi.FetchStatistics();
            if (success)
            {
                _statisticsWindow.SetFloorData(floorStatistics);
                _statisticsWindow.IsOpen = true;
            }
            else
            {
                _chat.Error(Localization.Command_pal_stats_UnableToFetchStatistics);
            }
        }
        catch (RpcException e) when (e.StatusCode == StatusCode.PermissionDenied)
        {
            _logger.LogWarning(e, "Access denied while fetching floor statistics");
            _chat.Error(Localization.Command_pal_stats_CurrentFloor);
        }
        catch (Exception e)
        {
            _logger.LogError(e, "Could not fetch floor statistics");
            _chat.Error(string.Format(Localization.Error_CommandFailed,
                $"{e.GetType()} - {e.Message}"));
        }
    }
}