"""
Schedule models for managing service schedules.py.
"""
import uuid
from django.db import models
from django.utils import timezone


class Schedule(models.Model):
    """Service schedules.py for accounts"""
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    account = models.ForeignKey('Account', on_delete=models.CASCADE, related_name='schedules')

    # Service days
    monday_service = models.BooleanField(default=False)
    tuesday_service = models.BooleanField(default=False)
    wednesday_service = models.BooleanField(default=False)
    thursday_service = models.BooleanField(default=False)
    friday_service = models.BooleanField(default=False)
    saturday_service = models.BooleanField(default=False)
    sunday_service = models.BooleanField(default=False)
    weekend_service = models.BooleanField(default=False)

    # Exceptions
    schedule_exception = models.TextField(blank=True, null=True)

    # Dates
    start_date = models.DateField()
    end_date = models.DateField(blank=True, null=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        app_label = 'core'
        verbose_name = 'Schedule'
        verbose_name_plural = 'Schedules'
        ordering = ['-start_date']
        indexes = [
            models.Index(fields=['account']),
        ]

    def __str__(self):
        return f"Schedule for {self.account.name}"

    @property
    def is_active(self):
        """Check if schedule is active based on end_date"""
        return self.end_date is None or self.end_date > timezone.now().date()

    @property
    def service_days(self):
        """Return list of service days"""
        days = []
        if self.monday_service:
            days.append('Monday')
        if self.tuesday_service:
            days.append('Tuesday')
        if self.wednesday_service:
            days.append('Wednesday')
        if self.thursday_service:
            days.append('Thursday')
        if self.friday_service:
            days.append('Friday')
        if self.saturday_service:
            days.append('Saturday')
        if self.sunday_service:
            days.append('Sunday')
        return days

    def has_service_on_day(self, day_name):
        """Check if there is service on a specific day"""
        day_map = {
            'monday': self.monday_service,
            'tuesday': self.tuesday_service,
            'wednesday': self.wednesday_service,
            'thursday': self.thursday_service,
            'friday': self.friday_service,
            'saturday': self.saturday_service,
            'sunday': self.sunday_service,
        }
        return day_map.get(day_name.lower(), False)