@page "/quick-markdown"
@attribute [Authorize(Roles = "Administrator,Blogger")]
@inject IOllamaService OllamaService
@inject OllamaSettings Settings
@inject IJSRuntime JS
@inject IAuthService AuthService
@inject ISettingsService SettingsService
@inject NavigationManager Navigation

@rendermode InteractiveServer

<PageTitle>Quick Markdown</PageTitle>

<div class="qm-container">
    <h2>Quick Markdown</h2>
    <p>Erzeugt aus einem Text und einem System-Prompt direkt formatiertes Markdown – ohne Projekt oder Speicherung.</p>

    <div class="qm-layout">
        <div class="qm-input-panel">
            <div class="form-group">
                <label>System-Prompt</label>
                <textarea class="qm-textarea qm-prompt" @bind="_systemPrompt" rows="4"></textarea>
            </div>

            <div class="form-group">
                <label for="tempRange">Temperatur: @_temperature.ToString("F2")</label>
                <input id="tempRange" type="range" min="0" max="2" step="0.05" @bind="_temperature" />
                <div class="qm-range-labels">
                    <span>präzise (0)</span>
                    <span>kreativ (2)</span>
                </div>
            </div>

            <div class="form-group">
                <div class="qm-prompt-actions">
                    <button class="btn btn-secondary" @onclick="SaveSettings">System-Prompt & Temperatur speichern</button>
                    <button class="btn btn-secondary" @onclick="ResetToDefault">Auf Standard zurücksetzen</button>
                </div>
            </div>

            <div class="form-group">
                <label>Text</label>
                <textarea class="qm-textarea" @bind="_inputText" rows="12" placeholder="Text hier eingeben…"></textarea>
            </div>

            <button class="btn btn-primary" @onclick="Generate" disabled="@_isBusy || string.IsNullOrWhiteSpace(_inputText)">
                @if (_isBusy)
                {
                    <span>Generiere…</span>
                }
                else
                {
                    <span>Markdown erzeugen</span>
                }
            </button>
        </div>

        <div class="qm-output-panel">
            <div class="form-group">
                <label>Ausgabe</label>
                <div class="qm-output-toolbar">
                    <button class="btn btn-small" @onclick="CopyOutput" disabled="@string.IsNullOrEmpty(_output)">📋 Kopieren</button>
                    <button class="btn btn-small" @onclick="ClearOutput">🗑 Leeren</button>
                </div>
            </div>
            <textarea class="qm-textarea qm-output" @bind="_output" rows="20" readonly></textarea>
        </div>
    </div>

    @if (!string.IsNullOrEmpty(_error))
    {
        <div class="auth-error">@_error</div>
    }

    @if (!string.IsNullOrEmpty(_modelNotice))
    {
        <div class="qm-notice">@_modelNotice</div>
    }
</div>

@code {
    private string _systemPrompt = string.Empty;
    private string _inputText = string.Empty;
    private string _output = string.Empty;
    private string _error = string.Empty;
    private string _modelNotice = string.Empty;
    private bool _isBusy;
    private double _temperature = 0.3;

    protected override async Task OnInitializedAsync()
    {
        var user = await AuthService.GetCurrentUserAsync();
        if (user == null || !user.HasAnyRole(UserRole.Administrator, UserRole.Blogger))
        {
            Navigation.NavigateTo("/");
            return;
        }

        _systemPrompt = await SettingsService.GetQuickMarkdownPromptAsync()
            ?? Settings.GetQuickMarkdownDefaultPrompt(Settings.Language);
        _temperature = await SettingsService.GetQuickMarkdownTempAsync();

        _modelNotice = $"Verwendetes Modell: {Settings.StyleModel} (via {Settings.Backend})";
    }

    private async Task SaveSettings()
    {
        await SettingsService.SaveQuickMarkdownPromptAsync(_systemPrompt);
        await SettingsService.SaveQuickMarkdownTempAsync(_temperature);
    }

    private async Task ResetToDefault()
    {
        _systemPrompt = Settings.GetQuickMarkdownDefaultPrompt(Settings.Language);
        _temperature = Settings.QuickMarkdownTemp;
        await SaveSettings();
    }

    private async Task Generate()
    {
        if (string.IsNullOrWhiteSpace(_inputText)) return;

        _isBusy = true;
        _error = string.Empty;
        _output = string.Empty;

        try
        {
            var result = await OllamaService.Chat(Settings.StyleModel, _inputText, _systemPrompt, _temperature);
            _output = result;
        }
        catch (Exception ex)
        {
            _error = $"Fehler bei der Generierung: {ex.Message}";
        }
        finally
        {
            _isBusy = false;
        }
    }

    private async Task CopyOutput()
    {
        if (string.IsNullOrEmpty(_output)) return;
        await JS.InvokeVoidAsync("navigator.clipboard.writeText", _output);
    }

    private void ClearOutput()
    {
        _output = string.Empty;
        _error = string.Empty;
    }
}