@using LANCommander.SDK.Exceptions
@using LANCommander.SDK.Models
@namespace LANCommander.Launcher.UI.Components
@inject AuthenticationService AuthenticationService
@inject SDK.Client Client
@inject NavigationManager NavigationManager
@inject IMessageService MessageService
@inject ILogger<RegistrationForm> Logger
@inject ImportManagerService ImportManagerService
@inject LocalizationService LocalizationService

<PageHeader OnBack="OnBack">
    <TitleTemplate>
        @LocalizationService.GetString("Register")
    </TitleTemplate>
</PageHeader>
<Form Model="@Model" Loading="@Loading" Layout="FormLayout.Vertical" OnFinish="OnFinish">

    @foreach (var item in Errors)
    {
        <Alert Message="@item" Type="AlertType.Error" ShowIcon="true" Style="margin-bottom: 8px;" />
    }

    <FormItem Label="@LocalizationService.GetString("ServerAddress")">
        <Input Value="ServerAddress" Disabled />
    </FormItem>
    <FormItem Label="@LocalizationService.GetString("Username")">
        <Input @bind-Value="@context.UserName" AutoFocus />
    </FormItem>
    <FormItem Label="@LocalizationService.GetString("Password")">
        <InputPassword @bind-Value="@context.Password"/>
    </FormItem>
    <FormItem Label="@LocalizationService.GetString("ConfirmPassword")">
        <InputPassword @bind-Value="@context.PasswordConfirmation" />
    </FormItem>
    <FormItem>
        <Button Type="ButtonType.Primary" HtmlType="submit">
            @LocalizationService.GetString("Register")
        </Button>
    </FormItem>
</Form>

@code {
    [Parameter] public Uri ServerAddress { get; set; }
    [Parameter] public EventCallback OnBack { get; set; }
    [Parameter] public IEnumerable<string> Errors { get; set; } = [];

    RegistrationRequest Model = new();
    bool Loading = false;
    private Uri? PreviousServerAddress;

    protected override async Task OnParametersSetAsync()
    {
        if (ServerAddress != PreviousServerAddress)
            await Client.Connection.UpdateServerAddressAsync(ServerAddress.ToString());

        PreviousServerAddress = ServerAddress;

		ClearErrors();
    
    }
    
    protected void ClearErrors()
    {
    	Errors = [];
    	StateHasChanged();
	}

    async Task OnFinish(EditContext editContext)
    {
        Loading = true;

        try
        {
            ClearErrors();

            await AuthenticationService.Register(Model.UserName, Model.Password, Model.PasswordConfirmation);

            await ImportManagerService.RequestImport();

            NavigationManager.NavigateTo("/");
        }
        catch (RegisterFailedException ex)
        {
            Errors = ex.ErrorData.Details?.Select(x => x.Message) ?? [];
            MessageService.Error(ex.Message, 5);
        }
        catch (Exception ex)
        {
            MessageService.Error(ex.Message, 5);
            Logger.LogError(ex, ex.Message);
        }
        finally
        {
            Loading = false;
        }
    }
}