package session

import (
	"path/filepath"
	"testing"
)

func TestSaveLoadRoundTrip(t *testing.T) {
	t.Parallel()

	path := filepath.Join(t.TempDir(), "session.json")
	in := Data{
		Spotify: SpotifyState{
			ClientID:     "abc123",
			AccessToken:  "access-token",
			RefreshToken: "refresh-token",
			ExpiresAt:    "2026-01-02T03:04:05Z",
		},
	}

	if err := Save(path, in); err != nil {
		t.Fatalf("Save failed: %v", err)
	}

	out, err := Load(path)
	if err != nil {
		t.Fatalf("Load failed: %v", err)
	}

	if out.Spotify.ClientID != in.Spotify.ClientID {
		t.Fatalf("ClientID mismatch: got %q want %q", out.Spotify.ClientID, in.Spotify.ClientID)
	}
	if out.Spotify.AccessToken != in.Spotify.AccessToken {
		t.Fatalf("AccessToken mismatch")
	}
	if out.Spotify.RefreshToken != in.Spotify.RefreshToken {
		t.Fatalf("RefreshToken mismatch")
	}
	if out.Spotify.ExpiresAt != in.Spotify.ExpiresAt {
		t.Fatalf("ExpiresAt mismatch: got %q want %q", out.Spotify.ExpiresAt, in.Spotify.ExpiresAt)
	}
}