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

<table class="table table-borderless">
    <tr>
        <td>
            <Label For="theme" HelpText="Upload a theme from your system">Theme: </Label>
        </td>
        <td>
            <FileManager Filter="nupkg"  ShowFiles="false" Folder="Themes" />
        </td>
    </tr>
</table>

@if (packages != null)
{
    <hr class="app-rule" />
    <div class="mx-auto text-center"><h2>Available Themes</h2></div>

    <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 Theme</button>
            </td>
        </Row>
    </Pager>
}

<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()
    {
        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);
            }
        }
    }

    private async Task InstallThemes()
    {
        await ThemeService.InstallThemesAsync();
        NavigationManager.NavigateTo(NavigateUrl());
    }

    private async Task DownloadTheme(string packageid, string version)
    {
        await PackageService.DownloadPackageAsync(packageid, version, "Themes");
        AddModuleMessage("Theme Downloaded Successfully. Click Install To Complete Installation.", MessageType.Success);
        StateHasChanged();
    }
}