from django.db import models
from pydantic import BaseModel


class Customer(models.Model):
    telegram_id = models.IntegerField()
    chat_id = models.IntegerField()
    username = models.CharField(max_length=64)
    created_at = models.DateTimeField(auto_now_add=True)

    objects = models.Manager()

    def __str__(self):
        return self.username

    class Meta:
        db_table = "customers"


class CustomerCV(models.Model):
    customer = models.OneToOneField(Customer, on_delete=models.CASCADE)
    content = models.TextField()
    created_at = models.DateTimeField(auto_now_add=True)

    objects = models.Manager()

    def __str__(self):
        return self.customer.username

    class Meta:
        db_table = "customer_vcs"


class Vacancy(models.Model):
    content = models.TextField()
    link = models.URLField(unique=True)
    created_at = models.DateTimeField(auto_now_add=True)

    objects = models.Manager()

    def __str__(self):
        return self.content[:100]

    class Meta:
        verbose_name_plural = 'Vacancies'
        db_table = "vacancies"


class RecommendedVacancy(models.Model):
    customer = models.ForeignKey(Customer, on_delete=models.CASCADE)
    vacancy = models.ForeignKey(Vacancy, on_delete=models.CASCADE)
    created_at = models.DateTimeField(auto_now_add=True)

    objects = models.Manager()

    def __str__(self):
        return f'{self.customer.username} -> {self.vacancy.content}'

    class Meta:
        verbose_name_plural = 'Recommended Vacancies'
        db_table = "recommended_vacancies"


class VacancyFeatures(BaseModel):
    job_title: str | None = None # Должность
    employment_type: str | None = None  # Тип занятости
    work_format: str | None = None  # Формат работы
    experience: str | None = None  # Опыт работы
    position_level: str | None = None  # Уровень позиции
    industry: str | None = None  # Отрасль / Сфера деятельности
    tech_stack: list[str] | None = None  # Технологический стек / Ключевые навыки
    location: str | None = None  # География
    salary_range: str | None = None  # Зарплатные ожидания / вилка
    languages: list[str] | None = None  # Языки
    education: str | None = None  # Образование
    schedule: str | None = None  # График работы
    additional_requirements: list[str] | None = None  # Дополнительные предпочтения / требования