package config //nolint:testpackage // tests unexported buildConfig

import (
	"errors"
	"log/slog"
	"testing"
)

func TestBuildConfigRejectsRelativeHostDataDir(t *testing.T) {
	t.Setenv("UPAAS_HOST_DATA_DIR", "./data")
	setupViper("upaas")

	_, err := buildConfig(slog.Default(), &Params{})
	if !errors.Is(err, errHostDataDirNotAbsolute) {
		t.Fatalf("expected errHostDataDirNotAbsolute, got %v", err)
	}
}

func TestBuildConfigHostDataDirDefaultsToDataDir(t *testing.T) {
	t.Setenv("UPAAS_DATA_DIR", "./data")
	t.Setenv("UPAAS_HOST_DATA_DIR", "")
	t.Setenv("UPAAS_SESSION_SECRET", "test-secret")
	setupViper("upaas")

	cfg, err := buildConfig(slog.Default(), &Params{})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if cfg.HostDataDir != "./data" {
		t.Errorf("expected HostDataDir ./data, got %q", cfg.HostDataDir)
	}
}