package main

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

func TestConfigFilePathUsesXDGConfigDir(t *testing.T) {
	t.Setenv("HOME", t.TempDir())
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())

	got, legacy, err := configFilePath()
	if err != nil {
		t.Fatal(err)
	}
	want := filepath.Join(os.Getenv("XDG_CONFIG_HOME"), "docspell-cli", "config.json")
	if got != want {
		t.Fatalf("expected %q, got %q", want, got)
	}
	if legacy != "" {
		t.Fatalf("expected no legacy fallback, got %q", legacy)
	}
}

func TestConfigFilePathFallsBackToLegacyHomeFile(t *testing.T) {
	home := t.TempDir()
	xdg := filepath.Join(t.TempDir(), "config")
	t.Setenv("HOME", home)
	t.Setenv("XDG_CONFIG_HOME", xdg)
	legacyPath := filepath.Join(home, "docspell-cli.json")
	if err := os.WriteFile(legacyPath, []byte("{}"), 0644); err != nil {
		t.Fatal(err)
	}

	got, legacy, err := configFilePath()
	if err != nil {
		t.Fatal(err)
	}
	if got != legacyPath {
		t.Fatalf("expected legacy path %q, got %q", legacyPath, got)
	}
	wantLegacy := filepath.Join(xdg, "docspell-cli", "config.json")
	if legacy != wantLegacy {
		t.Fatalf("expected XDG target %q, got %q", wantLegacy, legacy)
	}
}