التواريخ والأوقات

from datetime import datetime, date, time

# الوقت والتاريخ الحاليان
now = datetime.now()
print(now)                      # 2026-06-23 16:00:00.123456

# التاريخ الحالي
today = date.today()
print(today)                    # 2026-06-23

# أنشئ تاريخاً محدداً
d = datetime(2026, 6, 23, 15, 30, 0)
print(d)                        # 2026-06-23 15:30:00

from datetime import datetime

def days_to_birthday(birth_str):
    """احسب الأيام حتى عيد الميلاد القادم"""
    today = datetime.now()
    birth = datetime.strptime(birth_str, "%m-%d")
    birthday_this_year = birth.replace(year=today.year)

    if birthday_this_year < today:
        birthday_this_year = birthday_this_year.replace(year=today.year + 1)

    delta = birthday_this_year - today
    return delta.days

print(f"Days until next birthday: {days_to_birthday('12-25')}")

from datetime import datetime

# تاريخ -> سلسلة (تنسيق)
now = datetime.now()
print(now.strftime("%Y-%m-%d"))              # 2026-06-23
print(now.strftime("%H:%M:%S"))              # 16:00:00
print(now.strftime("%A"))                    # Tuesday

# سلسلة -> تاريخ (تحليل)
date_str = "2026-06-23 15:30:00"
parsed = datetime.strptime(date_str, "%Y-%m-%d %H:%M:%S")
print(parsed)                                # 2026-06-23 15:30:00

from datetime import datetime, timedelta

now = datetime.now()

# حساب الأوقات المستقبلية/الماضية
future = now + timedelta(days=7)
past = now - timedelta(days=30)

print(f"In 7 days: {future.strftime('%Y-%m-%d')}")
print(f"30 days ago: {past.strftime('%Y-%m-%d')}")

# حساب الوقت
print(timedelta(days=7))                     # 7 days, 0:00:00
print(timedelta(hours=3, minutes=15))        # 3:15:00
print(timedelta(weeks=2))                    # 14 days, 0:00:00

# اطرح تاريخين
d1 = datetime(2026, 6, 1)
d2 = datetime(2026, 6, 23)
diff = d2 - d1
print(f"Difference: {diff.days} days")       # Difference: 22 days

from datetime import datetime, timedelta

# محاكاة معلومات اشتراك المستخدم
subscriptions = [
    {"name": "Zhang San", "expire": "2026-07-15"},
    {"name": "Li Si", "expire": "2026-06-25"},
    {"name": "Wang Wu", "expire": "2026-08-01"},
    {"name": "Zhao Liu", "expire": "2026-06-20"},
]

today = datetime.now().strftime("%Y-%m-%d")
today = datetime.strptime(today, "%Y-%m-%d")

print("=== Subscription Expiry Check ===")
for sub in subscriptions:
    expire = datetime.strptime(sub["expire"], "%Y-%m-%d")
    remaining = (expire - today).days

    if remaining < 0:
        print(f"Expired ({sub['name']}): {-remaining} days ago")
    elif remaining <= 7:
        print(f"Expiring soon ({sub['name']}): {remaining} days left")
    else:
        print(f"Active ({sub['name']}): {remaining} days left")