import uuid
from django.db import models

class ScheduleEntry(models.Model):
    STATUS_CHOICES = [("busy", "Occupé"), ("free", "Disponible"), ("unavailable", "Indisponible")]
    title = models.CharField(max_length=120, blank=True)
    description = models.TextField(blank=True)
    start_date = models.DateField()
    end_date = models.DateField()
    start_time = models.TimeField()
    end_time = models.TimeField()
    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default="busy")
    color = models.CharField(max_length=16, blank=True, default="")
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    class Meta:
        ordering = ["start_date", "start_time"]
        indexes = [models.Index(fields=["start_date", "end_date"], name="core_sched_dates_idx")]

class AvailabilityRequest(models.Model):
    STATUS_CHOICES = [("pending", "En attente"), ("accepted", "Acceptée"), ("refused", "Refusée")]
    public_token = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
    guest_name = models.CharField(max_length=80)
    message = models.CharField(max_length=500, blank=True)
    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default="pending")
    duration_minutes = models.PositiveIntegerField(null=True, blank=True)
    available_until = models.DateTimeField(null=True, blank=True)
    response_message = models.CharField(max_length=500, blank=True)
    requested_at = models.DateTimeField(auto_now_add=True)
    responded_at = models.DateTimeField(null=True, blank=True)
    requester_ip = models.GenericIPAddressField(null=True, blank=True)
    class Meta:
        ordering = ["-requested_at"]
        indexes = [models.Index(fields=["status", "requested_at"], name="core_req_status_idx")]