package store

import (
	"path/filepath"
	"testing"
)

func testKey() []byte {
	k := make([]byte, 32)
	for i := range k {
		k[i] = byte(i)
	}
	return k
}

// openTemp opens a fresh store in a temp dir.
func openTemp(t *testing.T) *Store {
	t.Helper()
	p := filepath.Join(t.TempDir(), "emcli.db")
	s, err := Open(p, testKey())
	if err != nil {
		t.Fatalf("Open: %v", err)
	}
	t.Cleanup(func() { s.Close() })
	return s
}

func TestOpenCreatesSchemaAndIsIdempotent(t *testing.T) {
	p := filepath.Join(t.TempDir(), "emcli.db")
	s, err := Open(p, testKey())
	if err != nil {
		t.Fatalf("first Open: %v", err)
	}
	v, err := s.GetSetting("schema_version")
	if err != nil || v != "1" {
		t.Fatalf("schema_version: %q err=%v", v, err)
	}
	s.Close()

	// Re-open: must not error or duplicate.
	s2, err := Open(p, testKey())
	if err != nil {
		t.Fatalf("second Open: %v", err)
	}
	defer s2.Close()
	if v, _ := s2.GetSetting("schema_version"); v != "1" {
		t.Fatalf("schema_version after reopen: %q", v)
	}
}

func TestSettingsRoundTrip(t *testing.T) {
	s := openTemp(t)
	if err := s.SetSetting("audit_retention_days", "30"); err != nil {
		t.Fatalf("SetSetting: %v", err)
	}
	got, err := s.GetSetting("audit_retention_days")
	if err != nil || got != "30" {
		t.Fatalf("got %q err=%v", got, err)
	}
	// Upsert overwrites.
	_ = s.SetSetting("audit_retention_days", "7")
	if got, _ := s.GetSetting("audit_retention_days"); got != "7" {
		t.Fatalf("upsert failed: %q", got)
	}
}