@namespace Oqtane.Modules.Admin.ModuleDefinitions
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject IFileService FileService
@inject IModuleDefinitionService ModuleDefinitionService
@inject IPackageService PackageService

@if (_packages != null)
{
    <TabStrip>
        @if (_packages.Count > 0)
        {
        <TabPanel Name="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>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 DownloadModule(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 module packages. Once they are uploaded click Install to complete the installation.">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">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 moduledefinitions = await ModuleDefinitionService.GetModuleDefinitionsAsync(PageState.Site.SiteId);
            _packages = await PackageService.GetPackagesAsync("module");

            foreach (Package package in _packages.ToArray())
            {
                if (moduledefinitions.Exists(item => Utilities.GetTypeName(item.ModuleDefinitionName) == 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 InstallModules()
    {
        try
        {
            await ModuleDefinitionService.InstallModuleDefinitionsAsync();
            NavigationManager.NavigateTo(NavigateUrl());
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Installating Module");
        }
    }

    private async Task DownloadModule(string packageid, string version)
    {
        try
        {
            await PackageService.DownloadPackageAsync(packageid, version, "Modules");
            await logger.LogInformation("Module {ModuleDefinitionName} {Version} Downloaded Successfully", packageid, version);
            AddModuleMessage("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("Error Downloading Module", MessageType.Error);
        }
    }
}