@page "/settings"
@attribute [Authorize]
@rendermode InteractiveServer
@inject GhostConfigService ConfigService

<PageTitle>Einstellungen</PageTitle>

<h1>Ghost-Instanzen verwalten</h1>

<div class="row">
    <div class="col-md-8">
        <div class="card">
            <div class="card-header">
                <h5 class="mb-0">Konfigurierte Instanzen</h5>
            </div>
            <div class="card-body">
                @if (_config.Instances.Count == 0)
                {
                    <div class="alert alert-info">Keine Instanzen konfiguriert.</div>
                }
                else
                {
                    <table class="table table-striped">
                        <thead>
                            <tr>
                                <th>Name</th>
                                <th>URL</th>
                                <th>Bilderverzeichnis</th>
                                <th class="text-end">Aktionen</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach (var instance in _config.Instances)
                            {
                                <tr>
                                    <td>@instance.Name</td>
                                    <td>@instance.Url</td>
                                    <td class="text-truncate" style="max-width: 300px;" title="@instance.ImageFolderPath">@instance.ImageFolderPath</td>
                                    <td class="text-end">
                                        <button class="btn btn-sm btn-outline-primary me-1" @onclick="() => EditInstance(instance)">Bearbeiten</button>
                                        <button class="btn btn-sm btn-outline-danger" @onclick="() => DeleteInstance(instance)">Löschen</button>
                                    </td>
                                </tr>
                            }
                        </tbody>
                    </table>
                }
            </div>
        </div>
    </div>

    <div class="col-md-4">
        <div class="card">
            <div class="card-header">
                <h5 class="mb-0">@(_editingInstance.Id == null || _isNew ? "Neue Instanz" : "Instanz bearbeiten")</h5>
            </div>
            <div class="card-body">
                <EditForm Model="_editingInstance" OnValidSubmit="SaveInstance">
                    <DataAnnotationsValidator />
                    <ValidationSummary />

                    <div class="mb-3">
                        <label class="form-label">Name</label>
                        <InputText @bind-Value="_editingInstance.Name" class="form-control" placeholder="z.B. Produktion" />
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Ghost URL</label>
                        <InputText @bind-Value="_editingInstance.Url" class="form-control" placeholder="https://mein-blog.de" />
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Admin API Key</label>
                        <InputText @bind-Value="_editingInstance.AdminApiKey" class="form-control" type="password" placeholder="id:secret" />
                        <div class="form-text">Format: {id}:{secret} aus den Ghost-Integrationen</div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Content API Key (optional)</label>
                        <InputText @bind-Value="_editingInstance.ContentApiKey" class="form-control" placeholder="Optional" />
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Lokaler Image-Ordner</label>
                        <InputText @bind-Value="_editingInstance.ImageFolderPath" class="form-control" placeholder="C:\\Ghost\\content\\images oder /var/www/ghost/content/images" />
                        <div class="form-text">Vollständiger Pfad zum Ghost content/images Ordner (Windows oder Linux)</div>
                    </div>

                    <div class="d-flex justify-content-between">
                        <button type="button" class="btn btn-secondary" @onclick="ResetForm">Zurücksetzen</button>
                        <button type="submit" class="btn btn-primary">Speichern</button>
                    </div>
                </EditForm>

                @if (!string.IsNullOrEmpty(_message))
                {
                    <div class="alert alert-success mt-3">@_message</div>
                }
            </div>
        </div>
    </div>
</div>

@code {
    private GhostConfig _config = new();
    private GhostInstanceForm _editingInstance = new();
    private bool _isNew = true;
    private string? _message;

    protected override void OnInitialized()
    {
        LoadConfig();
    }

    private void LoadConfig()
    {
        _config = ConfigService.Load();
    }

    private void EditInstance(GhostInstance instance)
    {
        _editingInstance = new GhostInstanceForm
        {
            Id = instance.Id,
            Name = instance.Name,
            Url = instance.Url,
            AdminApiKey = instance.AdminApiKey,
            ContentApiKey = instance.ContentApiKey,
            ImageFolderPath = instance.ImageFolderPath
        };
        _isNew = false;
        _message = null;
    }

    private void DeleteInstance(GhostInstance instance)
    {
        _config.Instances.Remove(instance);
        ConfigService.Save(_config);
        LoadConfig();
        ResetForm();
    }

    private void SaveInstance()
    {
        if (_isNew)
        {
            _config.Instances.Add(new GhostInstance
            {
                Id = Guid.NewGuid().ToString("N")[..8],
                Name = _editingInstance.Name,
                Url = _editingInstance.Url.TrimEnd('/'),
                AdminApiKey = _editingInstance.AdminApiKey,
                ContentApiKey = _editingInstance.ContentApiKey,
                ImageFolderPath = _editingInstance.ImageFolderPath
            });
        }
        else
        {
            var existing = _config.Instances.FirstOrDefault(i => i.Id == _editingInstance.Id);
            if (existing != null)
            {
                existing.Name = _editingInstance.Name;
                existing.Url = _editingInstance.Url.TrimEnd('/');
                existing.AdminApiKey = _editingInstance.AdminApiKey;
                existing.ContentApiKey = _editingInstance.ContentApiKey;
                existing.ImageFolderPath = _editingInstance.ImageFolderPath;
            }
        }

        ConfigService.Save(_config);
        LoadConfig();
        ResetForm();
        _message = "Instanz gespeichert.";
    }

    private void ResetForm()
    {
        _editingInstance = new GhostInstanceForm();
        _isNew = true;
        _message = null;
    }

    private class GhostInstanceForm
    {
        public string? Id { get; set; }
        public string Name { get; set; } = "";
        public string Url { get; set; } = "";
        public string AdminApiKey { get; set; } = "";
        public string ContentApiKey { get; set; } = "";
        public string ImageFolderPath { get; set; } = "";
    }
}