| 1 | using System.Runtime.CompilerServices; |
| 2 | |
| 3 | namespace CascadeIDE.Services; |
| 4 | |
| 5 | /// <summary>Возвращает провайдер и модель для данного ключа (Ollama, Anthropic, OpenAI, DeepSeek).</summary> |
| 6 | public delegate (IAiChatProvider? Provider, string Model) AiProviderResolver(string providerKey); |
| 7 | |
| 8 | /// <summary>Единая точка входа для чата: минимизация контекста (диагностики + сигнатуры) и вызов выбранного провайдера.</summary> |
| 9 | public sealed class AiProviderManager |
| 10 | { |
| 11 | private readonly ContextMinimizer _minimizer; |
| 12 | private readonly AiProviderResolver _resolveProvider; |
| 13 | |
| 14 | public AiProviderManager(ContextMinimizer minimizer, AiProviderResolver resolveProvider) |
| 15 | { |
| 16 | _minimizer = minimizer; |
| 17 | _resolveProvider = resolveProvider; |
| 18 | } |
| 19 | |
| 20 | /// <summary>Стримит ответ от выбранного провайдера. При useMinimizedContext для .cs файла подмешивает блок диагностик и сигнатур.</summary> |
| 21 | public async IAsyncEnumerable<string> StreamChatAsync( |
| 22 | string providerKey, |
| 23 | IReadOnlyList<ChatMessage> messages, |
| 24 | string? currentFilePath, |
| 25 | string? currentSourceText, |
| 26 | bool useMinimizedContext, |
| 27 | [EnumeratorCancellation] CancellationToken cancellationToken = default, |
| 28 | ChatTurnUsageCollector? usageCollector = null) |
| 29 | { |
| 30 | var (provider, model) = _resolveProvider(providerKey ?? "Ollama"); |
| 31 | if (provider is null) |
| 32 | { |
| 33 | yield return "[Error: provider not configured or API key missing.]"; |
| 34 | yield break; |
| 35 | } |
| 36 | |
| 37 | var list = messages.AsEnumerable().ToList(); |
| 38 | if (useMinimizedContext && !string.IsNullOrEmpty(currentFilePath) && !string.IsNullOrEmpty(currentSourceText)) |
| 39 | { |
| 40 | var minimized = _minimizer.Minimize(currentFilePath, currentSourceText, cancellationToken); |
| 41 | if (!string.IsNullOrEmpty(minimized)) |
| 42 | { |
| 43 | var contextMessage = "Контекст текущего файла (только диагностики и сигнатуры):\n\n" + minimized; |
| 44 | list = [new ChatMessage("user", contextMessage), .. list]; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | await foreach (var token in provider.StreamChatAsync(model, list, cancellationToken, usageCollector)) |
| 49 | yield return token; |
| 50 | } |
| 51 | } |
| 52 | |