from django.db import models
from django.utils.translation import gettext_lazy as _
from django_core.models import AbstractBaseModel
from model_bakery import baker

from core.apps.evaluation.choices.valuation import (
    EvaluationPurpose,
    EvaluationType,
    ValuationStatus,
    PaymentStatus,
)
from .customer import CustomerModel, PropertyOwnerModel


class ValuationModel(AbstractBaseModel):
    # 📋 Asosiy ma'lumotlar
    conclusion_number = models.CharField(
        verbose_name=_("conclusion number"),
        max_length=50,
        unique=True,
        blank=True,
        null=True,
    )
    evaluation_purpose = models.CharField(
        verbose_name=_("evaluation purpose"),
        max_length=50,
        choices=EvaluationPurpose.choices,
        default=EvaluationPurpose.SALE,
    )
    evaluation_type = models.CharField(
        verbose_name=_("evaluation type"),
        max_length=50,
        choices=EvaluationType.choices,
    )
    evaluation_subtype = models.CharField(
        verbose_name=_("evaluation subtype"),
        max_length=100,
        blank=True,
        null=True,
    )
    status = models.CharField(
        verbose_name=_("status"),
        max_length=20,
        choices=ValuationStatus.choices,
        default=ValuationStatus.DRAFT,
    )

    # 👥 Bog'lanishlar
    customer = models.ForeignKey(
        CustomerModel,
        on_delete=models.PROTECT,
        related_name="valuations",
        verbose_name=_("customer"),
    )
    property_owner = models.ForeignKey(
        PropertyOwnerModel,
        on_delete=models.PROTECT,
        related_name="valuations",
        verbose_name=_("property owner"),
        null=True,
        blank=True,
        help_text=_("Keep empty if customer is the owner"),
    )
    created_by = models.ForeignKey(
        "accounts.User",
        on_delete=models.PROTECT,
        related_name="created_valuations",
        verbose_name=_("created by"),
    )
    assigned_to = models.ForeignKey(
        "accounts.User",
        on_delete=models.SET_NULL,
        related_name="assigned_valuations",
        verbose_name=_("assigned to"),
        null=True,
        blank=True,
    )

    # 💰 Narx va To'lov
    estimated_price = models.DecimalField(
        verbose_name=_("estimated price"),
        max_digits=15,
        decimal_places=2,
        null=True,
        blank=True,
    )
    final_price = models.DecimalField(
        verbose_name=_("final price"),
        max_digits=15,
        decimal_places=2,
        null=True,
        blank=True,
    )
    payment_status = models.CharField(
        verbose_name=_("payment status"),
        max_length=20,
        choices=PaymentStatus.choices,
        default=PaymentStatus.UNPAID,
    )

    # 🚚 Yetkazib berish
    is_courier_delivery = models.BooleanField(
        verbose_name=_("courier delivery"), default=False
    )
    courier_extra_amount = models.DecimalField(
        verbose_name=_("courier extra amount"),
        max_digits=12,
        decimal_places=2,
        default=0,
    )

    # 📝 Izohlar
    notes = models.TextField(verbose_name=_("notes"), blank=True, null=True)

    def __str__(self):
        return f"Valuation {self.conclusion_number} - {self.customer}"

    @classmethod
    def _baker(cls):
        return baker.make(cls)

    class Meta:
        db_table = "Valuation"
        verbose_name = _("Valuation")
        verbose_name_plural = _("Valuations")