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, 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)
	}
}

func TestArchiveDestinationIndexesMultipleAttachmentsAndPreservesDistinctFiles(t *testing.T) {
	directory := t.TempDir()
	sourcePath := filepath.Join(t.TempDir(), "source.pdf")
	if err := os.WriteFile(sourcePath, []byte("source"), 0644); err != nil {
		t.Fatal(err)
	}

	got, alreadyArchived, err := archiveDestination(directory, "Document", "pdf", 2, sourcePath)
	if err != nil {
		t.Fatal(err)
	}
	if alreadyArchived || got != filepath.Join(directory, "Document.1.pdf") {
		t.Fatalf("expected first indexed destination, got %q (already archived: %t)", got, alreadyArchived)
	}

	if err := os.WriteFile(got, []byte("different"), 0644); err != nil {
		t.Fatal(err)
	}
	got, alreadyArchived, err = archiveDestination(directory, "Document", "pdf", 2, sourcePath)
	if err != nil {
		t.Fatal(err)
	}
	if alreadyArchived || got != filepath.Join(directory, "Document.2.pdf") {
		t.Fatalf("expected second indexed destination, got %q (already archived: %t)", got, alreadyArchived)
	}

	if err := os.WriteFile(got, []byte("source"), 0644); err != nil {
		t.Fatal(err)
	}
	got, alreadyArchived, err = archiveDestination(directory, "Document", "pdf", 2, sourcePath)
	if err != nil {
		t.Fatal(err)
	}
	if !alreadyArchived || got != filepath.Join(directory, "Document.2.pdf") {
		t.Fatalf("expected matching indexed destination, got %q (already archived: %t)", got, alreadyArchived)
	}
}