package cc

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

func TestListClaudeProfiles_basic(t *testing.T) {
	dir := t.TempDir()
	for _, name := range []string{"beta.json", "alpha.json", "gamma.json"} {
		if err := os.WriteFile(filepath.Join(dir, name), []byte("{}"), 0o644); err != nil {
			t.Fatal(err)
		}
	}
	// non-.json files should be ignored
	if err := os.WriteFile(filepath.Join(dir, "readme.txt"), []byte("x"), 0o644); err != nil {
		t.Fatal(err)
	}
	// subdirs should be ignored
	if err := os.Mkdir(filepath.Join(dir, "subdir"), 0o755); err != nil {
		t.Fatal(err)
	}

	profiles, err := ListClaudeProfiles(dir)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if len(profiles) != 3 {
		t.Fatalf("want 3 profiles, got %d", len(profiles))
	}
	wantNames := []string{"alpha", "beta", "gamma"}
	for i, p := range profiles {
		if p.Name != wantNames[i] {
			t.Errorf("profiles[%d].Name = %q, want %q", i, p.Name, wantNames[i])
		}
		wantPath := filepath.Join(dir, wantNames[i]+".json")
		if p.Path != wantPath {
			t.Errorf("profiles[%d].Path = %q, want %q", i, p.Path, wantPath)
		}
	}
}

func TestListClaudeProfiles_emptyDir(t *testing.T) {
	dir := t.TempDir()
	profiles, err := ListClaudeProfiles(dir)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if len(profiles) != 0 {
		t.Fatalf("want 0 profiles, got %d", len(profiles))
	}
}

func TestListClaudeProfiles_missingDir(t *testing.T) {
	profiles, err := ListClaudeProfiles("/nonexistent/path/does/not/exist")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if len(profiles) != 0 {
		t.Fatalf("want 0 profiles, got %d", len(profiles))
	}
}