package config_test

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

	"git.cloonar.com/cloonar/updns/internal/config"
)

func TestLoadConfig_Success(t *testing.T) {
	content := `
server:
  bind_address: ":9090"
  tls:
    enabled: true
    cert_file: "cert.pem"
    key_file: "key.pem"
upstream:
  provider: hetzner
  hetzner:
    api_token: "token123"
clients:
  clientA:
    secret: "sec"
    exact:
      - "foo.com"
    wildcard:
      - "bar.com"
`
	tmp := filepath.Join(os.TempDir(), "config_test.yaml")
	if err := os.WriteFile(tmp, []byte(content), 0644); err != nil {
		t.Fatalf("failed to write temp file: %v", err)
	}
	defer os.Remove(tmp)

	cfg, err := config.LoadConfig(tmp)
	if err != nil {
		t.Fatalf("expected no error, got %v", err)
	}
	if cfg.Server.BindAddress != ":9090" {
		t.Errorf("expected bind_address :9090, got %s", cfg.Server.BindAddress)
	}
	if !cfg.Server.TLS.Enabled {
		t.Error("expected TLS enabled")
	}
}

func TestLoadConfig_Failure(t *testing.T) {
	content := `
clients:
  clientB:
    secret: "sec"
`
	tmp := filepath.Join(os.TempDir(), "config_fail.yaml")
	if err := os.WriteFile(tmp, []byte(content), 0644); err != nil {
		t.Fatalf("failed to write temp file: %v", err)
	}
	defer os.Remove(tmp)

	if _, err := config.LoadConfig(tmp); err == nil {
		t.Fatal("expected error for missing fields, got nil")
	}
}