@namespace Oqtane.Modules.Admin.ModuleDefinitions
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject IFileService FileService
@inject IModuleDefinitionService ModuleDefinitionService
@inject IPackageService PackageService
@inject IStringLocalizer<Add> Localizer

@if (_packages != null)
{
    <TabStrip>
        @if (_packages.Count > 0)
        {
            <TabPanel Name="Download" ResourceKey="Download">
                <ModuleMessage Type="MessageType.Info" Message="Download one or more modules from the list below. Once you are ready click Install to complete the installation."></ModuleMessage>
                <Pager Items="@_packages">
                    <Header>
                        <th>@Localizer["Name"]</th>
                        <th>@Localizer["Version"]</th>
                        <th style="width: 1px"></th>
                    </Header>
                    <Row>
                        <td>@context.Name</td>
                        <td>@context.Version</td>
                        <td>
                            <button type="button" class="btn btn-primary" @onclick=@(async () => await DownloadModule(context.PackageId, context.Version))>@Localizer["Download"]</button>
                        </td>
                    </Row>
                </Pager>
            </TabPanel>
        }
        <TabPanel Name="Upload" ResourceKey="Upload">
            <table class="table table-borderless">
                <tr>
                    <td>
                        <Label HelpText="Upload one or more module packages. Once they are uploaded click Install to complete the installation." ResourceKey="Module">Module: </Label>
                    </td>
                    <td>
                        <FileManager Filter="nupkg" ShowFiles="false" Folder="Modules" UploadMultiple="true" />
                    </td>
                </tr>
            </table>
        </TabPanel>
    </TabStrip>

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

@code {
    private List<Package> _packages;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Host;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            var moduledefinitions = await ModuleDefinitionService.GetModuleDefinitionsAsync(PageState.Site.SiteId);
            _packages = await PackageService.GetPackagesAsync("module");

            foreach (Package package in _packages.ToArray())
            {
                if (moduledefinitions.Exists(item => item.PackageName == package.PackageId))
                {
                    _packages.Remove(package);
                }
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Packages {Error}", ex.Message);
            AddModuleMessage(Localizer["Error Loading Packages"], MessageType.Error);
        }
    }

    private async Task InstallModules()
    {
        try
        {
            await ModuleDefinitionService.InstallModuleDefinitionsAsync();
            AddModuleMessage(Localizer["Module Installed Successfully. You Must <a href=\"{0}\">Restart</a> Your Application To Apply These Changes.", NavigateUrl("admin/system")], MessageType.Success);
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Installing Module");
        }
    }

    private async Task DownloadModule(string packageid, string version)
    {
        try
        {
            await PackageService.DownloadPackageAsync(packageid, version, "Packages");
            await logger.LogInformation("Module {ModuleDefinitionName} {Version} Downloaded Successfully", packageid, version);
            AddModuleMessage(Localizer["Modules Downloaded Successfully. Click Install To Complete Installation."], MessageType.Success);
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Downloading Module {ModuleDefinitionName} {Version}", packageid, version);
            AddModuleMessage(Localizer["Error Downloading Module"], MessageType.Error);
        }
    }
}