from django.db import models

from django.utils.translation import gettext_lazy as _

from apps.account.models import StudentUser, User
from apps.course.models import Course
from phonenumber_field.modelfields import PhoneNumberField
from utils.validators import validate_possible_number





class TransactionParticipant(models.Model):  


    class TransactionStatus(models.TextChoices):
        PENDING = 'pending', _('Pending')
        SUCCESS = 'success', _('Success')
        FAILED = 'failed', _('Failed')

    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='transactions')
    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='course_transactions')   
    # is_paid = models.BooleanField(default=False, verbose_name='Payment Status', help_text='Indicates whether the payment has been completed or not')
    price = models.DecimalField(max_digits=10, decimal_places=2, default=0.00, verbose_name='Transaction Price')
    status = models.CharField(max_length=20, choices=TransactionStatus.choices, default=TransactionStatus.PENDING, verbose_name=_('Transaction Status'))
    created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
    updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated at"))
    is_deleted = models.BooleanField(default=False)

    def __str__(self):
        return f"{self.user.email} - {self.course.title} ({self.status})"
    
    


class ParticipantInfo(models.Model):
    class GenderChoices(models.TextChoices):
        MALE = 'male', 'Male'
        FEMALE = 'female', 'Female'

    transaction_participant = models.ForeignKey(
        TransactionParticipant, 
        on_delete=models.CASCADE, 
        related_name='participant_infos',  
        verbose_name="Transaction Participant"
    )
    fullname = models.CharField(max_length=255, verbose_name="Full Name", help_text="Enter the full name of the user.")
    email = models.EmailField(verbose_name="Email Address", help_text="Enter the user's email address.")
    phone_number = PhoneNumberField(validators=[validate_possible_number], null=True, blank=True, verbose_name=_('phone'))
    gender = models.CharField(
        max_length=20, choices=GenderChoices.choices, null=True, blank=True, verbose_name=_('Gender'), help_text="Select the user's gender."
    )
    birthdate = models.DateField(verbose_name=_('birthdate'), null=True, blank=True)

    def __str__(self):
        return f"{self.fullname} (Transaction: {self.transaction_participant.id}) - {self.email}"