from random import choices
from django.db import models
from master_data.models import EventType
from partner.models import Partner


class Event(models.Model):
    created_date = models.DateField(auto_now_add=True, db_index=True)
    name = models.CharField(max_length=200)
    description = models.TextField()
    start_date = models.DateField(blank=True, null=True, db_index=True)
    end_date = models.DateField(blank=True, null=True)
    start_time = models.TimeField(blank=True, null=True)
    end_time = models.TimeField(blank=True, null=True)
    all_year_event = models.BooleanField(default=False)

    latitude = models.DecimalField(max_digits=9, decimal_places=6)
    longitude = models.DecimalField(max_digits=9, decimal_places=6)
    pincode = models.CharField(max_length=10)
    district = models.CharField(max_length=100)
    state = models.CharField(max_length=100)
    place = models.CharField(max_length=200)

    is_bookable = models.BooleanField(default=False)
    include_gst = models.BooleanField(default=False)
    gst_percentage_1 = models.IntegerField(default=0)
    gst_percentage_2 = models.IntegerField(default=0)

    is_eventify_event = models.BooleanField(default=True)
    outside_event_url = models.URLField(default='NA')

    is_partner_event = models.BooleanField(default=False)
    partner = models.ForeignKey(Partner, on_delete=models.CASCADE, blank=True, null=True)

    event_type = models.ForeignKey(EventType, on_delete=models.CASCADE)
    event_status = models.CharField(max_length=250, choices=[
        ('created', 'Created'),
        ('cancelled', 'Cancelled'),
        ('pending', 'Pending'),
        ('completed', 'Completed'),
        ('postponed', 'Postponed'),
        ('published', 'Published'),
        ('live', 'Live'),
        ('flagged', 'Flagged'),
    ], default='pending', db_index=True)
    cancelled_reason = models.TextField(default='NA')

    title = models.CharField(max_length=250, blank=True)
    important_information = models.TextField(blank=True)
    venue_name = models.CharField(max_length=250, blank=True)

    source = models.CharField(max_length=50, default='eventify', choices=[
        ('eventify', 'Added by Eventify'),
        ('community', 'Community Contribution'),
        ('partner', 'Partner Event'),
    ])

    is_featured = models.BooleanField(default=False, help_text='Show this event in the featured section')
    is_top_event = models.BooleanField(default=False, help_text='Show this event in the Top Events section')

    contributed_by = models.CharField(
        max_length=100, blank=True, null=True,
        help_text='Eventify ID (EVT-XXXXXXXX) or email of the community contributor',
    )

    def __str__(self):
        return f"{self.name} ({self.start_date})"


class EventImages(models.Model):
    event = models.ForeignKey(Event, on_delete=models.CASCADE)
    is_primary = models.BooleanField(default=False)
    event_image = models.ImageField(upload_to='event_images')

    def __str__(self):
        return f"{self.event_image}"


class EventLike(models.Model):
    user = models.ForeignKey(
        'accounts.User',
        on_delete=models.CASCADE,
        related_name='event_likes'
    )
    event = models.ForeignKey(
        Event,
        on_delete=models.CASCADE,
        related_name='likes'
    )
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        unique_together = ('user', 'event')
        indexes = [
            models.Index(fields=['user', '-created_at']),
        ]

    def __str__(self):
        return f"{self.user.email} likes {self.event.name}"