@page "/admin/servers/nodes/{Id:int}"

@using System.Net
@using LucideBlazor
@using Moonlight.Frontend.Helpers
@using MoonlightServers.Shared
@using MoonlightServers.Shared.Admin.Nodes
@using ShadcnBlazor.Buttons
@using ShadcnBlazor.Cards
@using ShadcnBlazor.Emptys
@using ShadcnBlazor.Extras.Common
@using ShadcnBlazor.Extras.Forms
@using ShadcnBlazor.Extras.Toasts
@using ShadcnBlazor.Fields
@using ShadcnBlazor.Inputs

@inject HttpClient HttpClient
@inject NavigationManager Navigation
@inject ToastService ToastService

<LazyLoader Load="LoadAsync">
    @if (Node == null)
    {
        <Empty>
            <EmptyHeader>
                <EmptyMedia Variant="EmptyMediaVariant.Icon">
                    <SearchIcon/>
                </EmptyMedia>
                <EmptyTitle>Node not found</EmptyTitle>
                <EmptyDescription>
                    A node with this id cannot be found
                </EmptyDescription>
            </EmptyHeader>
        </Empty>
    }
    else
    {
        <EnhancedEditForm Model="Request" OnValidSubmit="OnSubmitAsync" Context="formContext">

            <div class="flex flex-row justify-between">
                <div class="flex flex-col">
                    <h1 class="text-xl font-semibold">Update Node</h1>
                    <div class="text-muted-foreground">
                        Update node @Node.Name
                    </div>
                </div>
                <div class="flex flex-row gap-x-1.5">
                    <Button Variant="ButtonVariant.Secondary">
                        <Slot>
                            <a href="/admin/servers?tab=nodes" @attributes="context">
                                <ChevronLeftIcon/>
                                Back
                            </a>
                        </Slot>
                    </Button>
                    <SubmitButton>
                        <CheckIcon/>
                        Continue
                    </SubmitButton>
                </div>
            </div>

            <div class="mt-8">
                <Card>
                    <CardContent>
                        <DataAnnotationsValidator/>

                        <FieldGroup>
                            <FormValidationSummary/>

                            <FieldSet>
                                <FieldGroup>
                                    <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
                                        <Field>
                                            <FieldLabel for="nodeName">Name</FieldLabel>
                                            <TextInputField
                                                @bind-Value="Request.Name"
                                                id="nodeName"/>
                                        </Field>

                                        <Field>
                                            <FieldLabel for="nodeHttpEndpoint">HTTP Endpoint</FieldLabel>
                                            <TextInputField
                                                @bind-Value="Request.HttpEndpointUrl"
                                                id="nodeHttpEndpoint"
                                                placeholder="http://example.com:8080"/>
                                        </Field>
                                    </div>
                                </FieldGroup>
                            </FieldSet>
                        </FieldGroup>
                    </CardContent>
                </Card>
            </div>

        </EnhancedEditForm>
    }
</LazyLoader>

@code
{
    [Parameter] public int Id { get; set; }

    private UpdateNodeDto Request;
    private NodeDto? Node;

    private async Task LoadAsync(LazyLoader _)
    {
        var response = await HttpClient.GetAsync($"api/admin/servers/nodes/{Id}");

        if (!response.IsSuccessStatusCode)
        {
            if(response.StatusCode == HttpStatusCode.NotFound)
                return;

            response.EnsureSuccessStatusCode();
            return;
        }
        
        Node = await response.Content.ReadFromJsonAsync<NodeDto>(SerializationContext.Default.Options);
            
        if(Node == null)
            return;

        Request = new UpdateNodeDto()
        {
            Name = Node.Name,
            HttpEndpointUrl = Node.HttpEndpointUrl
        };
    }

    private async Task<bool> OnSubmitAsync(EditContext context, ValidationMessageStore validationMessageStore)
    {
        var response = await HttpClient.PutAsJsonAsync(
            $"/api/admin/servers/nodes/{Id}",
            Request,
            SerializationContext.Default.Options
        );

        if (!response.IsSuccessStatusCode)
        {
            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Request, validationMessageStore);
            return false;
        }

        await ToastService.SuccessAsync(
            "Node Update",
            $"Successfully updated node {Request.Name}"
        );

        Navigation.NavigateTo("/admin/servers?tab=nodes");
        return true;
    }
}