package main

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

func TestReadJournalOperation(t *testing.T) {
	path := filepath.Join(t.TempDir(), "status.json")
	if err := os.WriteFile(path, []byte(`{"format_version":1,"operation_id":"fw-123","state":"validated","ignored":"allowed"}`), 0o600); err != nil {
		t.Fatal(err)
	}
	identity, err := readJournalOperation(path)
	if err != nil || identity.OperationID != "fw-123" || identity.State != "validated" {
		t.Fatalf("identity = %+v, error = %v", identity, err)
	}
}

func TestReadJournalOperationRejectsMissingOrTrailingIdentity(t *testing.T) {
	for name, content := range map[string]string{
		"missing-operation": `{"state":"validated"}`,
		"missing-state":     `{"operation_id":"fw-123"}`,
		"trailing-json":     `{"operation_id":"fw-123","state":"validated"}{}`,
	} {
		t.Run(name, func(t *testing.T) {
			path := filepath.Join(t.TempDir(), "status.json")
			if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
				t.Fatal(err)
			}
			if _, err := readJournalOperation(path); err == nil {
				t.Fatal("invalid journal was accepted")
			}
		})
	}
}