function getOverlapRange(
  startA: number,
  endA: number,
  startB: number,
  endB: number
) {
  const overlapStart = Math.max(startA, startB);
  const overlapEnd = Math.min(endA, endB);

  return overlapStart < overlapEnd ? { overlapStart, overlapEnd } : null;
}

function isOverlap(
  startA: number,
  endA: number,
  startB: number,
  endB: number
) {
  return getOverlapRange(startA, endA, startB, endB) !== null;
}

// Generate random time ranges for the schedulers
function generateTimeRanges(count: number): { start: number; end: number }[] {
  const ranges = [];
  const startDate = new Date('2024-10-06T00:00:00Z').getTime();
  for (let i = 0; i < count; i++) {
    const start = startDate + Math.floor(Math.random() * 10000000); // Random start time
    const end = start + Math.floor(Math.random() * 10000000); // Random end time after start
    ranges.push({ start, end });
  }
  return ranges;
}

// Benchmark performance of overlap detection between two schedulers
const schedulerA = generateTimeRanges(50);
const schedulerB = generateTimeRanges(50);

console.time('Overlap Benchmark');
let overlapCount = 0;
for (const rangeA of schedulerA) {
  for (const rangeB of schedulerB) {
    if (isOverlap(rangeA.start, rangeA.end, rangeB.start, rangeB.end)) {
      overlapCount++;
    }
  }
}
console.timeEnd('Overlap Benchmark');

console.log(`Total Overlaps Found: ${overlapCount}`);

// Example usage with specific time ranges
const startA = new Date('2024-10-06T10:00:00Z').getTime();
const endA = new Date('2024-10-06T12:00:00Z').getTime();
const startB = new Date('2024-10-06T11:00:00Z').getTime();
const endB = new Date('2024-10-06T13:00:00Z').getTime();

const overlapRange = getOverlapRange(startA, endA, startB, endB);
if (overlapRange) {
  console.log(
    `Overlap Start: ${new Date(overlapRange.overlapStart).toISOString()}`
  );
  console.log(
    `Overlap End: ${new Date(overlapRange.overlapEnd).toISOString()}`
  );
  
  console.log('Is overlap: true');
} else {
  console.log('No overlap');
}