ai ile yapılan büyük güncelleme

src/utils/hijri.js

@@ -0,0 +1,96 @@
+const HIJRI_MONTHS = [
+  "Muharrem", "Safer", "Rebiülevvel", "Rebiülahir",
+  "Cemaziyelevvel", "Cemaziyelahir", "Receb", "Şaban",
+  "Ramazan", "Şevval", "Zilkade", "Zilhicce",
+];
+
+const DAYS = [
+  "Pazar", "Pazartesi", "Salı", "Çarşamba",
+  "Perşembe", "Cuma", "Cumartesi",
+];
+
+export function gregorianToHijri(date = new Date()) {
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1;
+  const day = date.getDate();
+
+  let a = Math.floor((14 - month) / 12);
+  let y = year + 4800 - a;
+  let m = month + 12 * a - 3;
+
+  let jdn =
+    day +
+    Math.floor((153 * m + 2) / 5) +
+    365 * y +
+    Math.floor(y / 4) -
+    Math.floor(y / 100) +
+    Math.floor(y / 400) -
+    32045;
+
+  let l = jdn - 1948440 + 10632;
+  let n = Math.floor((l - 1) / 10631);
+  l = l - 10631 * n + 354;
+  let j =
+    Math.floor((10985 - l) / 5316) * Math.floor((50 * l) / 17719) +
+    Math.floor(l / 5670) * Math.floor((43 * l) / 15238);
+  l =
+    l -
+    Math.floor((30 - j) / 15) * Math.floor((17719 * j) / 50) -
+    Math.floor(j / 16) * Math.floor((15238 * j) / 43) +
+    29;
+  let hijriMonth = Math.floor((24 * l) / 709);
+  let hijriDay = l - Math.floor((709 * hijriMonth) / 24);
+  let hijriYear = 30 * n + j - 30;
+
+  if (hijriMonth > 12) {
+    hijriMonth -= 12;
+    hijriYear += 1;
+  }
+
+  const weekday = DAYS[date.getDay()];
+
+  return {
+    year: hijriYear,
+    month: hijriMonth,
+    day: hijriDay,
+    monthName: HIJRI_MONTHS[hijriMonth - 1],
+    weekday,
+  };
+}
+
+export function calculateMissedPrayers(birthDate, gender, mukallafAge = 15) {
+  const birth = new Date(birthDate);
+  const today = new Date();
+  today.setHours(0, 0, 0, 0);
+
+  const mukallafDate = new Date(birth);
+  mukallafDate.setFullYear(mukallafDate.getFullYear() + mukallafAge);
+
+  if (today <= mukallafDate) {
+    return { missed: 0, days: 0 };
+  }
+
+  const diffTime = today - mukallafDate;
+  const days = Math.floor(diffTime / (1000 * 60 * 60 * 24));
+  const missed = days * 5;
+
+  return { missed, days, mukallafDate };
+}
+
+export function getHijriAge(birthDate, mukallafAge = 15) {
+  const birth = new Date(birthDate);
+  const today = new Date();
+
+  const hijriBirth = gregorianToHijri(birth);
+  const hijriToday = gregorianToHijri(today);
+
+  let age = hijriToday.year - hijriBirth.year;
+  if (
+    hijriToday.month < hijriBirth.month ||
+    (hijriToday.month === hijriBirth.month && hijriToday.day < hijriBirth.day)
+  ) {
+    age -= 1;
+  }
+
+  return Math.max(0, age);
+}