const adjustForTimezone = (utcMinutes) => {
  const offsetInMinutes = -120; // Simulate UTC+2
  return utcMinutes - offsetInMinutes;
};

const formatMinutesAfter = (minutes, reference = "04:00") => {
  const [refHours, refMinutes] = reference.split(":").map(Number);
  const totalRefMinutes = refHours * 60 + refMinutes;
  const targetMinutes = totalRefMinutes + minutes;
  const normalizedMinutes = ((targetMinutes % 1440) + 1440) % 1440;
  const hours = Math.floor(normalizedMinutes / 60);
  const mins = normalizedMinutes % 60;
  return `${String(hours).padStart(2, "0")}:${String(mins).padStart(2, "0")}`;
};

// Case 1: Backend sends offset from 04:00 UTC (-5 minutes)
const backendOffset = -5;
const adjusted = adjustForTimezone(backendOffset);
console.log("Adjusted offset:", adjusted); // Should be 115
console.log("Formatted time:", formatMinutesAfter(adjusted, "04:00")); // Should be 05:55

// Case 2: Backend sends minutes from UTC midnight (235 minutes)
const backendMidnightMins = 235;
const adjusted2 = adjustForTimezone(backendMidnightMins);
console.log("Adjusted midnight mins:", adjusted2); // Should be 355
// If we use it as an offset from reference:
console.log("Formatted time (as offset):", formatMinutesAfter(adjusted2, "04:00")); // Should be 09:55 (WRONG if it was supposed to be 05:55)

// If we want the offset from reference for Case 2:
const refMins = 4 * 60;
const correctOffset = adjusted2 - refMins; // 355 - 240 = 115
console.log("Corrected offset (from midnight):", correctOffset); // 115
console.log("Formatted time (corrected):", formatMinutesAfter(correctOffset, "04:00")); // 05:55