from django.db import models
from core.models import ContactMixin  # Предполагается, что ContactMixin находится в приложении core
from education.models import AcademicYear  # Предполагается, что AcademicYear находится в приложении education
from employees.models import Employee  # Предполагается, что модель Employee находится в приложении employees

## Профориентационная деятельность (название приложения: outreach)

class InstitutionType(models.Model):
    name = models.CharField(max_length=50, verbose_name="Название вида учебного заведения")

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = "Вид учебного заведения"
        verbose_name_plural = "Виды учебных заведений"
        ordering = ["name"]


class Representative(ContactMixin):
    position = models.CharField(max_length=100, blank=True, null=True, verbose_name="Должность")

    def __str__(self):
        return f"{super().__str__()}"+(" - "+self.position if self.position else "")

    class Meta:
        verbose_name = "Представитель"
        verbose_name_plural = "Представители"
        ordering = ["position"]

class School(models.Model):
    director = models.ForeignKey(
        Representative, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Директор"
    )
    institution_type = models.ForeignKey(
        InstitutionType, on_delete=models.CASCADE, verbose_name="Вид учебного заведения"
    )
    name = models.CharField(max_length=200, verbose_name="Название")
    address = models.CharField(max_length=300, verbose_name="Адрес")

    def __str__(self):
        return f"{self.name} ({self.institution_type})"

    class Meta:
        verbose_name = "Школа"
        verbose_name_plural = "Школы"
        ordering = ["institution_type", "name", "address"]

class Partner(models.Model):
    name = models.CharField(max_length=200, verbose_name="Название")
    description = models.TextField(blank=True, null=True, verbose_name="Описание")

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = "Партнер"
        verbose_name_plural = "Партнеры"
        ordering = ["name"]

class PartnerRepresentative(models.Model):
    representative = models.OneToOneField(
        Representative, on_delete=models.CASCADE, verbose_name="Представитель"
    )
    partner = models.ForeignKey(
        Partner, on_delete=models.CASCADE, verbose_name="Партнер"
    )

    def __str__(self):
        return f"{self.representative} - {self.partner}"

    class Meta:
        verbose_name = "Представитель партнера"
        verbose_name_plural = "Представители партнеров"
        unique_together = ("representative", "partner")
        ordering = ["partner", "representative"]

class SchoolResponsibility(models.Model):
    academic_year = models.ForeignKey(
        AcademicYear, on_delete=models.CASCADE, verbose_name="Учебный год"
    )
    responsible = models.ForeignKey(
        Employee, on_delete=models.CASCADE, verbose_name="Ответственный сотрудник"
    )
    school = models.ForeignKey(
        School, on_delete=models.CASCADE, verbose_name="Школа"
    )

    def __str__(self):
        return f"{self.responsible} - {self.school} ({self.academic_year})"

    class Meta:
        verbose_name = "Ответственный за школу"
        verbose_name_plural = "Ответственные за школы"
        ordering = ["academic_year", "responsible", "school"]