@using LANCommander.SDK.Enums
@using LANCommander.Server.Extensions;
@using LANCommander.Server.Models;
@inherits FeedbackComponent<ScriptEditorOptions, Script>
@inject ScriptService ScriptService
@inject ModalService ModalService
@inject IMessageService MessageService
@inject ILogger<ScriptEditorDialog> Logger

<Form @ref="@Form" Model="@Script" Layout="@FormLayout.Vertical">
    <FormItem>
        @foreach (var group in Snippets.Select(s => s.Group).Distinct())
        {
            <Dropdown>
                <Overlay>
                    <Menu>
                        @foreach (var snippet in Snippets.Where(s => s.Group == group))
                        {
                            <MenuItem OnClick="() => InsertSnippet(snippet)">
                                @snippet.Name
                            </MenuItem>
                        }
                    </Menu>
                </Overlay>

                <ChildContent>
                    <Button Type="@ButtonType.Primary">@group</Button>
                </ChildContent>
            </Dropdown>
        }

        @if (Options.ArchiveId != Guid.Empty)
        {
            <Button Icon="@IconType.Outline.FolderOpen" OnClick="BrowseForPath" Type="@ButtonType.Text">Browse</Button>
        }

        <Button Icon="@IconType.Outline.Build" OnClick="() => RegToPowerShell.Open()" Type="@ButtonType.Text">Import .reg</Button>
    </FormItem>

    <FormItem>
        <StandaloneCodeEditor @ref="Editor" Id="@("editor-" + Id.ToString())" ConstructionOptions="EditorConstructionOptions" OnDidInit="InitEditor" />
    </FormItem>

    <FormItem Label="Name" Required Rules=@(new FormValidationRule[]{ new FormValidationRule{ Required = true } })>
        <Input @bind-Value="@context.Name" />
    </FormItem>

    <FormItem Label="Type">
        <Select @bind-Value="context.Type" TItem="ScriptType" TItemValue="ScriptType" DataSource="Enum.GetValues<ScriptType>().Where(st => Options.AllowedTypes == null || Options.AllowedTypes.Contains(st))">
            <LabelTemplate Context="Value">@Value.GetDisplayName()</LabelTemplate>
            <ItemTemplate Context="Value">@Value.GetDisplayName()</ItemTemplate>
        </Select>
    </FormItem>

    <FormItem>
        <Checkbox @bind-Checked="context.RequiresAdmin">Requires Admin</Checkbox>
    </FormItem>

    <FormItem Label="Description">
        <TextArea @bind-Value="context.Description" MaxLength=500 ShowCount />
     </FormItem>
 </Form>

 <RegToPowerShell @ref="RegToPowerShell" OnParsed="(text) => InsertText(text)" />

@code {
    Guid Id = Guid.NewGuid();
    Form<Script> Form;
    Script Script;
    StandaloneCodeEditor? Editor;
    RegToPowerShell RegToPowerShell;
    IEnumerable<Snippet> Snippets { get; set; }

    private StandaloneEditorConstructionOptions EditorConstructionOptions(StandaloneCodeEditor editor)
    {
        return new StandaloneEditorConstructionOptions
        {
            AutomaticLayout = true,
            Language = "powershell",
            Value = Script.Contents,
            Theme = "vs-dark",
        };
    }

    protected override async Task OnInitializedAsync()
    {
        if (Options.ScriptId != Guid.Empty)
            Script = await ScriptService.Get(Options.ScriptId);
        else if (Options.GameId != Guid.Empty)
            Script = new Script()
                {
                    GameId = Options.GameId
                };
        else if (Options.RedistributableId != Guid.Empty)
            Script = new Script()
                {
                    RedistributableId = Options.RedistributableId
                };
        else if (Options.ServerId != Guid.Empty)
            Script = new Script()
                {
                    ServerId = Options.ServerId
                };

        Snippets = ScriptService.GetSnippets();
    }

    async Task InitEditor()
    {
        if (Editor != null)
        {
            await Editor.AddCommand((int)BlazorMonaco.KeyMod.CtrlCmd | (int)BlazorMonaco.KeyCode.KeyS, async (editor) =>
            {
                await Save();
            }, null);

            await Editor.AddCommand((int)BlazorMonaco.KeyMod.CtrlCmd | (int)BlazorMonaco.KeyCode.KeyQ, async (editor) =>
            {
                await OkCancelRefWithResult!.OnOk(Script);
                await this.CloseFeedbackAsync();
            }, null);
        }
    }

    public override async Task OnFeedbackOkAsync(ModalClosingEventArgs args)
    {
        var success = await Save();

        if (success)
        {
            Editor.Dispose();

            await base.OkCancelRefWithResult!.OnOk(Script);
        }
        else
            args.Reject();
    }

    public override async Task CancelAsync(ModalClosingEventArgs args)
    {
        Editor.Dispose();

        await base.CancelAsync(args);
    }

    private async void BrowseForPath()
    {

        var modalOptions = new ModalOptions()
            {
                Title = "Choose Reference",
                Maximizable = false,
                DefaultMaximized = true,
                Closable = true,
                OkText = "Insert File Path"
            };

        var browserOptions = new FilePickerOptions()
            {
                ArchiveId = Options.ArchiveId,
                Select = true,
                Multiple = false
            };

        var modalRef = await ModalService.CreateModalAsync<FilePickerDialog, FilePickerOptions, IEnumerable<IFileManagerEntry>>(modalOptions, browserOptions);

        modalRef.OnOk = (results) =>
        {
            var path = results.FirstOrDefault().Path;

            InsertText($"$InstallDirectory\\{path.Replace('/', '\\')}");

            StateHasChanged();
            return Task.CompletedTask;
        };
    }

    private async Task InsertText(string text)
    {
        var line = await Editor.GetPosition();
        var range = new BlazorMonaco.Range(line.LineNumber, 1, line.LineNumber, 1);

        var currentSelections = await Editor.GetSelections();

        await Editor.ExecuteEdits("ScriptEditor", new List<IdentifiedSingleEditOperation>()
        {
            new IdentifiedSingleEditOperation
            {
                Range = range,
                Text = text,
                ForceMoveMarkers = true
            }
        }, currentSelections);
    }

    private async Task InsertSnippet(Snippet snippet)
    {
        await InsertText(snippet.Content);
    }

    private async Task<bool> Save()
    {
        if (Form.Validate())
        {
            try
            {
                var value = await Editor.GetValue();

                Script.Contents = value;

                if (Script.Id == Guid.Empty)
                    Script = await ScriptService.Add(Script);
                else
                    Script = await ScriptService.Update(Script);

                MessageService.Success("Script saved!");

                return true;
            }
            catch (Exception ex)
            {
                MessageService.Error("Script could not be saved!");
                Logger.LogError(ex, "Script could not be saved!");

                return false;
            }
        }
        else
            return false;
    }
}