package llm

import (
	"knowledge-graph-backend/internal/config"
	"log"
	"testing"
)

func TestNewClient(t *testing.T) {
	cfg, err := config.Load()
	if err != nil {
		log.Printf("[WARN] config.Load() returned error: %v, using default config", err)
	} else {
		log.Printf("[INFO] config loaded successfully, LLM config: %+v", cfg.LLM)
	}

	client, err := NewClient(cfg.LLM)
	if err != nil {
		t.Fatalf("NewClient() returned unexpected error: %v", err)
	}
	log.Printf("[INFO] NewClient() succeeded, client created")

	// 验证返回的 Client 实例不为 nil
	if client == nil {
		t.Fatal("NewClient() returned nil client")
	}
	log.Printf("[INFO] client instance is non-nil, validation passed")

	// 验证 llm 实例被成功创建（不调用，只检查非 nil）
	if client.llm == nil {
		t.Error("client.llm is nil, expected a non-nil llms.Model")
	} else {
		log.Printf("[INFO] client.llm is non-nil, llms.Model created successfully")
	}

	log.Printf("[INFO] TestNewClient completed successfully")
}