package config

import (
	"os"
	"path/filepath"
	"testing"
)

func TestConfigLoadEnvAndAppConfig(t *testing.T) {
	tempDir := t.TempDir()
	envPath := filepath.Join(tempDir, ".env")
	configYAMLPath := filepath.Join(tempDir, "config.yaml")

	_ = os.WriteFile(envPath, []byte("TEST_SECRET_KEY=12345\nDEEPSEEK_API_KEY=test-sk-key\n"), 0644)
	_ = os.WriteFile(configYAMLPath, []byte(`
server:
  port: "9090"
  log_level: "debug"
ai_trigger:
  analysis_threshold: 35.0
prompts:
  system_prompt_path: "sys.txt"
`), 0644)

	LoadEnvFile(envPath)
	if os.Getenv("TEST_SECRET_KEY") != "12345" {
		t.Errorf("expected TEST_SECRET_KEY to be 12345, got %q", os.Getenv("TEST_SECRET_KEY"))
	}

	cfg := &Config{
		Port:      "8080",
		LogLevel:  "info",
		AppConfig: configYAMLPath,
	}
	cfg.Normalize()

	if cfg.Port != "9090" {
		t.Errorf("expected port 9090 from config.yaml, got %s", cfg.Port)
	}
	if cfg.AnalysisThreshold != 35.0 {
		t.Errorf("expected analysis threshold 35.0, got %f", cfg.AnalysisThreshold)
	}
	if cfg.LLMProvider != "deepseek" {
		t.Errorf("expected LLMProvider to be deepseek, got %s", cfg.LLMProvider)
	}
}