@page "/assistant"
@inject IOllamaService OllamaService
@inject ISettingsService SettingsService
@inject NavigationManager Navigation

@rendermode InteractiveServer

<PageTitle>Assistent - Author Buddy</PageTitle>

<div class="assistant-page">
    <div class="assistant-toolbar">
        <select @bind="selectedMode">
            <option value="advocatus">Advocatus Diaboli</option>
            <option value="hookfinder">Hook-Finder</option>
            <option value="eli5">ELI5-Vereinfachung</option>
        </select>
        <button @onclick="RunAssistant" disabled="@isRunning || string.IsNullOrWhiteSpace(inputText)">Ausführen</button>
        <span style="flex:1;font-size:12px;color:var(--border-color);text-align:right;">@statusText</span>
        @if (isRunning)
        {
            <progress value="@progress" max="100"></progress>
        }
    </div>

    <div class="assistant-panels">
        <div class="assistant-input-panel">
            <h4>Eingabetext</h4>
            <textarea class="assistant-textarea" @bind="inputText" placeholder="Füge hier deinen Text ein..."></textarea>
        </div>
        <div class="assistant-output-panel">
            <h4>Ergebnis</h4>
            <div class="assistant-output">
                @if (!string.IsNullOrEmpty(outputText))
                {
                    <pre>@outputText</pre>
                }
                else if (!string.IsNullOrEmpty(errorMessage))
                {
                    <div class="assistant-error">@errorMessage</div>
                }
                else
                {
                    <span class="assistant-hint">Ergebnis erscheint hier nach der Ausführung.</span>
                }
            </div>
        </div>
    </div>
</div>

@code {
    private string selectedMode = "advocatus";
    private string inputText = string.Empty;
    private string outputText = string.Empty;
    private string errorMessage = string.Empty;
    private string statusText = "Bereit";
    private bool isRunning;
    private double progress;

    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();
    }

    private async Task RunAssistant()
    {
        if (string.IsNullOrWhiteSpace(inputText)) return;

        isRunning = true;
        progress = 50;
        outputText = string.Empty;
        errorMessage = string.Empty;
        statusText = "Verarbeite...";

        try
        {
            var systemPrompt = selectedMode switch
            {
                "advocatus" => await SettingsService.GetAdvocatusDiaboliPromptAsync() ?? string.Empty,
                "hookfinder" => await SettingsService.GetHookFinderPromptAsync() ?? string.Empty,
                "eli5" => await SettingsService.GetEli5PromptAsync() ?? string.Empty,
                _ => string.Empty
            };

            if (string.IsNullOrEmpty(systemPrompt))
            {
                errorMessage = "Kein System-Prompt für diesen Modus konfiguriert. Bitte in den Einstellungen hinterlegen.";
                return;
            }

            var model = await SettingsService.GetStyleModelAsync() ?? "llama3.2";
            outputText = await OllamaService.Chat(model, inputText, systemPrompt);
            statusText = "Fertig.";
        }
        catch (Exception ex)
        {
            errorMessage = $"Fehler: {ex.Message}";
            statusText = "Fehler";
        }
        finally
        {
            isRunning = false;
            progress = 0;
        }
    }
}