@using LANCommander.SDK.Enums
@using LANCommander.Server.Extensions;
@using LANCommander.Server.Models;
@inject ModalService ModalService
@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 (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 => AllowedTypes == null || 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 {
    [Parameter] public Script Script { get; set; }
    [Parameter] public EventCallback<Script> ScriptChanged { get; set; }
    [Parameter] public IEnumerable<ScriptType> AllowedTypes { get; set; }
    [Parameter] public Guid ArchiveId { get; set; }
    [Parameter] public EventCallback OnSave { get; set; }

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

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

    protected override void OnInitialized()
    {
        Snippets = ScriptService.GetSnippets();
    }

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

    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 = 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;
        };
    }

    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);
    }

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