from django.db import models

from django.contrib.auth.models import User
from django.utils import timezone

class JobListing(models.Model):
    status_choices = [
        ('A', 'Aktywna'),
        ('C', 'Zakończona'),
        ('W', 'Oczekująca na sprawdzenie'),
        ('R', 'Zarchiwizowana'),
        ('','')
    ]
    paid_status = [
        ('P', 'Oplacona'),
        ('N', 'Nieoplacona'),
        ('D', 'Inny status')
    ]
    company_name = models.CharField(max_length=255)
    name = models.CharField(max_length=255)
    content = models.TextField()
    min_salary = models.DecimalField(max_digits=10, decimal_places=2)
    max_salary = models.DecimalField(max_digits=10, decimal_places=2)
    location = models.CharField(max_length=255)
    coordinates = models.CharField(max_length=255)  # rozwaz GEODJANGO
    created_by = models.ForeignKey(User, on_delete=models.CASCADE, related_name='job_listings')
    created_at = models.DateTimeField(default=timezone.now)
    status = models.CharField(max_length=1, choices=status_choices, default='A')
    status_paid = models.CharField(max_length=1, choices=paid_status, default='N')
    category = models.CharField(max_length=255, null=True, blank=True)
    expiration_date = models.DateField(null=True, blank=True)
    company_description = models.TextField(null=True, blank=True)
    # company_logo = models.ImageField(upload_to='company_logos/', null=True, blank=True)
    experience_level = models.CharField(max_length=255, null=True, blank=True)
    contract_type = models.CharField(max_length=255, null=True, blank=True)
    is_remote = models.BooleanField(default=False)
    updated_at = models.DateTimeField(auto_now=True)
    
    def __str__(self):
        return f"{self.name} at {self.company_name}"

class Skill(models.Model):
    name = models.CharField(max_length=255)
    proficiency_choices = [
        ('B', 'Podstawowy'),
        ('A', 'Zaawansowany'),
        ('E', 'Ekspert'),
    ]
    proficiency = models.CharField(max_length=1, choices=proficiency_choices)
    
    def __str__(self):
        return self.name

class JobSkill(models.Model):
    job_listing = models.ForeignKey(JobListing, on_delete=models.CASCADE, related_name='job_skills')
    skill = models.ForeignKey(Skill, on_delete=models.CASCADE, related_name='job_skills')
    proficiency = models.CharField(max_length=255)

    def __str__(self):
        return f"{self.skill.name} for {self.job_listing.name} ({self.proficiency})"