/**
 * Computes coverage: funded paid hours ÷ target hours
 */
export const useCoverage = () => {
  const calculateCoverage = (fundedPaidHours: number, targetHours: number): number => {
    if (targetHours <= 0) return 0
    return (fundedPaidHours / targetHours) * 100
  }
  
  const getCoverageStatus = (coveragePct: number): 'green' | 'yellow' | 'red' => {
    if (coveragePct >= 80) return 'green'
    if (coveragePct >= 60) return 'yellow'
    return 'red'
  }
  
  const formatCoverage = (coveragePct: number): string => {
    return `${Math.round(coveragePct)}%`
  }
  
  return {
    calculateCoverage,
    getCoverageStatus,
    formatCoverage
  }
}