using Immense.RemoteControl.Server.Abstractions;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.SignalR;
using Remotely.Server.Hubs;
using Remotely.Server.Migrations.PostgreSql;
using Remotely.Server.Migrations.Sqlite;
using Remotely.Server.Migrations.SqlServer;
using Remotely.Server.Pages;
using Remotely.Server.Services;
using Remotely.Shared.Enums;
using Remotely.Shared.Models;
using Remotely.Shared.Utilities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Remotely.Server.Components.Scripts
{
    [Authorize]
    public partial class RunScript : AuthComponentBase
    {
        private readonly List<string> _selectedDeviceGroups = new();

        private readonly List<string> _selectedDevices = new();

        private DeviceGroup[] _deviceGroups = Array.Empty<DeviceGroup>();

        private Device[] _devices = Array.Empty<Device>();

        private bool _runOnNextConnect = true;

        private SavedScript _selectedScript;

        [Inject]
        private IDataService DataService { get; set; }

        [Inject]
        private IJsInterop JsInterop { get; set; }

        [Inject]
        private IToastService ToastService { get; set; }

        [Inject]
        private IAgentHubSessionCache ServiceSessionCache { get; init; }

        [Inject]
        private ICircuitConnection CircuitConnection { get; set; }

        [CascadingParameter]
        private ScriptsPage ParentPage { get; set; }

        protected override void OnAfterRender(bool firstRender)
        {
            if (firstRender)
            {
                JsInterop.AutoHeight();
            }
            base.OnAfterRender(firstRender);
        }

        protected override async Task OnInitializedAsync()
        {
            await base.OnInitializedAsync();

            _deviceGroups = DataService.GetDeviceGroups(User.UserName);
            _devices = DataService
                .GetDevicesForUser(User.UserName)
                .OrderBy(x => x.DeviceName)
                .ToArray();
        }

        private void DeviceGroupSelectedChanged(ChangeEventArgs args, DeviceGroup deviceGroup)
        {
            var isSelected = (bool)args.Value;
            if (isSelected)
            {
                _selectedDeviceGroups.Add(deviceGroup.ID);
            }
            else
            {
                _selectedDeviceGroups.RemoveAll(x => x == deviceGroup.ID);
            }
        }

        private void DeviceSelectedChanged(ChangeEventArgs args, Device device)
        {
            var isSelected = (bool)args.Value;
            if (isSelected)
            {
                _selectedDevices.Add(device.ID);
            }
            else
            {
                _selectedDevices.RemoveAll(x => x == device.ID);
            }
        }

        private async Task ExecuteScript()
        {
            if (_selectedScript is null)
            {
                ToastService.ShowToast("You must select a script.", classString: "bg-warning");
                return;
            }

            if (!_selectedDeviceGroups.Any() &&
                !_selectedDevices.Any())
            {
                ToastService.ShowToast("You must select at least one device or device group.", classString: "bg-warning");
                return;
            }

            var deviceIdsFromDeviceGroups = _devices
                .Where(x => _selectedDeviceGroups.Contains(x.DeviceGroupID))
                .Select(x => x.ID);

            var deviceIds = _selectedDevices
                .Concat(deviceIdsFromDeviceGroups)
                .Distinct()
                .ToArray();

            var filteredDevices = DataService.FilterDeviceIDsByUserPermission(deviceIds.ToArray(), User);

            var onlineDevices = ServiceSessionCache.GetConnectionIdsByDeviceIds(filteredDevices);

            var scriptRun = new ScriptRun()
            {
                OrganizationID = User.OrganizationID,
                RunAt = Time.Now,
                SavedScriptId = _selectedScript.Id,
                RunOnNextConnect = _runOnNextConnect,
                InputType = ScriptInputType.OneTimeScript,
                Initiator = User.UserName
            };

            if (_runOnNextConnect)
            {
                scriptRun.Devices = DataService.GetDevices(filteredDevices);
            }
            else
            {
                scriptRun.Devices = DataService.GetDevices(onlineDevices);
            }

            await DataService.AddScriptRun(scriptRun);

            ToastService.ShowToast($"Created script run for {scriptRun.Devices.Count} devices.");

            await CircuitConnection.RunScript(onlineDevices, _selectedScript.Id, scriptRun.Id, ScriptInputType.OneTimeScript, false);

            ToastService.ShowToast($"Running script immediately on {onlineDevices.Count()} devices.");
        }

        private async Task ScriptSelected(ScriptTreeNode viewModel)
        {
            if (viewModel.Script is not null)
            {
                _selectedScript = await DataService.GetSavedScript(User.Id, viewModel.Script.Id);
            }
            else
            {
                _selectedScript = null;
            }
        }
    }
}