package patterns

import (
	"os"
	"testing"
)

func TestRepository_Load(t *testing.T) {
	content := `
patterns:
  test_service:
    extractors:
      - name: "test_pattern"
        regex: '^Test (?P<id>\d+) (?P<value>\d+\.\d+)$'
        fields:
          id: "int"
          value: "float"
`
	tmpfile, err := os.CreateTemp("", "patterns_test_*.yaml")
	if err != nil {
		t.Fatal(err)
	}
	defer os.Remove(tmpfile.Name())

	if _, err := tmpfile.Write([]byte(content)); err != nil {
		t.Fatal(err)
	}
	if err := tmpfile.Close(); err != nil {
		t.Fatal(err)
	}

	repo := GetInstance()
	err = repo.Load(tmpfile.Name())
	if err != nil {
		t.Fatalf("Failed to load repository: %v", err)
	}

	extractors := repo.GetExtractors("test_service")
	if len(extractors) != 1 {
		t.Errorf("Expected 1 extractor, got %d", len(extractors))
	}

	ext := extractors[0]
	if ext.Name != "test_pattern" {
		t.Errorf("Expected name 'test_pattern', got '%s'", ext.Name)
	}

	if !ext.Pattern.MatchString("Test 123 45.67") {
		t.Error("Regex did not match valid string")
	}
}