from django.db import models
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, PermissionsMixin
from django.utils import timezone


# ---------------- CUSTOM USER MANAGER ----------------
class CustomUserManager(BaseUserManager):
    def create_user(self, email, password=None, **extra_fields):
        if not email:
            raise ValueError("The Email field must be set")
        email = self.normalize_email(email)
        user = self.model(email=email, **extra_fields)
        user.set_password(password)   
        user.save(using=self._db)
        return user

    def create_superuser(self, email, password=None, **extra_fields):
        extra_fields.setdefault("is_staff", True)
        extra_fields.setdefault("is_superuser", True)

        if extra_fields.get("is_staff") is not True:
            raise ValueError("Superuser must have is_staff=True.")
        if extra_fields.get("is_superuser") is not True:
            raise ValueError("Superuser must have is_superuser=True.")

        return self.create_user(email, password, **extra_fields)


# ---------------- CUSTOM USER MODEL ----------------
class User(AbstractBaseUser, PermissionsMixin):
    email = models.EmailField(unique=True, max_length=255)
    first_name = models.CharField(max_length=50, blank=True, null=True)
    last_name = models.CharField(max_length=50, blank=True, null=True)


    is_active = models.BooleanField(default=True)
    is_staff = models.BooleanField(default=False)
    date_joined = models.DateTimeField(default=timezone.now)

    objects = CustomUserManager()

    USERNAME_FIELD = "email"   
    REQUIRED_FIELDS = []      

    def __str__(self):
        return self.email


# ---------------- USER PROFILE MODEL ----------------
class Profile(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name="profile")
    phone = models.CharField(max_length=15, blank=True, null=True)
    address = models.TextField(blank=True, null=True)
    wallet_balance = models.DecimalField(max_digits=10, decimal_places=2, default=0.00)
    preferences = models.JSONField(blank=True, null=True)  

    def __str__(self):
        return f"Profile - {self.user.email}"