from django.conf import settings
from django.db import models


class ClientProfile(models.Model):
    TIMEZONE_CHOICES = [
        ("UTC", "UTC"),
        ("America/New_York", "America/New York"),
        ("America/Chicago", "America/Chicago"),
        ("America/Denver", "America/Denver"),
        ("America/Los_Angeles", "America/Los Angeles"),
        ("Europe/London", "Europe/London"),
        ("Europe/Berlin", "Europe/Berlin"),
        ("Asia/Dubai", "Asia/Dubai"),
        ("Asia/Tehran", "Asia/Tehran"),
        ("Asia/Tokyo", "Asia/Tokyo"),
        ("Australia/Sydney", "Australia/Sydney"),
    ]

    user = models.OneToOneField(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name="client_profile",
    )
    company = models.CharField(max_length=200, blank=True)
    phone = models.CharField(max_length=50, blank=True)
    timezone = models.CharField(
        max_length=64,
        choices=TIMEZONE_CHOICES,
        default="UTC",
    )
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        verbose_name = "Client Profile"
        verbose_name_plural = "Client Profiles"

    def __str__(self):
        return self.user.get_full_name() or self.user.email or str(self.user.pk)

    @property
    def display_name(self):
        full_name = self.user.get_full_name().strip()
        if full_name:
            return full_name
        return self.user.email