@namespace Oqtane.Modules.Admin.Themes
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject IFileService FileService
@inject IThemeService ThemeService
@inject IPackageService PackageService

@if (_packages != null)
{
<TabStrip>
    @if (_packages.Count > 0)
    {
    <TabPanel Name="Download">
        <ModuleMessage Type="MessageType.Info" Message="Download one or more themes from the list below. Once you are ready click Install to complete the installation."></ModuleMessage>
        <Pager Items="@_packages">
            <Header>
                <th>Name</th>
                <th>Version</th>
                <th></th>
            </Header>
            <Row>
                <td>@context.Name</td>
                <td>@context.Version</td>
                <td>
                    <button type="button" class="btn btn-primary" @onclick=@(async () => await DownloadTheme(context.PackageId, context.Version))>Download</button>
                </td>
            </Row>
        </Pager>
    </TabPanel>
    }
    <TabPanel Name="Upload">
        <table class="table table-borderless">
            <tr>
                <td>
                    <Label HelpText="Upload one or more theme packages. Once they are uploaded click Install to complete the installation.">Theme: </Label>
                </td>
                <td>
                    <FileManager Filter="nupkg" ShowFiles="false" Folder="Themes" UploadMultiple="True" />
                </td>
            </tr>
        </table>
    </TabPanel>
</TabStrip>

<button type="button" class="btn btn-success" @onclick="InstallThemes">Install</button>
<NavLink class="btn btn-secondary" href="@NavigateUrl()">Cancel</NavLink>
}

@code {
    private List<Package> _packages;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Host;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            var themes = await ThemeService.GetThemesAsync();
            _packages = await PackageService.GetPackagesAsync("theme");

            foreach (Package package in _packages.ToArray())
            {
                if (themes.Exists(item => Utilities.GetTypeName(item.ThemeName) == package.PackageId))
                {
                    _packages.Remove(package);
                }
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Packages {Error}", ex.Message);
            AddModuleMessage("Error Loading Packages", MessageType.Error);
        }
    }

    private async Task InstallThemes()
    {
        try
        {
            await ThemeService.InstallThemesAsync();
            NavigationManager.NavigateTo(NavigateUrl());
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Installating Theme");
        }
    }

    private async Task DownloadTheme(string packageid, string version)
    {
        try
        {
            await PackageService.DownloadPackageAsync(packageid, version, "Themes");
            await logger.LogInformation("Theme {ThemeName} {Version} Downloaded Successfully", packageid, version);
            AddModuleMessage("Themes Downloaded Successfully. Click Install To Complete Installation.", MessageType.Success);
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Downloading Module {ThemeName} {Version}", packageid, version);
            AddModuleMessage("Error Downloading Theme", MessageType.Error);
        }
    }
    }