package ai

import (
    "fmt"
    "stream-bot/internal/db"
)

func NewProvider(cfg *db.AIConfig) (Provider, error) {
    switch cfg.Provider {
    case "ollama":
        return NewOllamaProvider(cfg.Endpoint, cfg.Model, cfg.SystemPrompt), nil
    case "chatgpt":
        return NewChatGPTProvider(cfg.APIKey, cfg.Model, cfg.SystemPrompt), nil
    case "gigachat":
        if cfg.ClientID == "" || cfg.ClientSecret == "" {
            return nil, fmt.Errorf("client_id and client_secret required for GigaChat")
        }
        return NewGigaChatProvider(cfg.ClientID, cfg.ClientSecret, cfg.Endpoint, cfg.Model, cfg.SystemPrompt), nil
    default:
        return nil, fmt.Errorf("unknown provider: %s", cfg.Provider)
    }
}