from django.db import models
from websites.models import Website
from companies.models import Company


class Position(models.Model):
    POSITION_STATUS_CHOICES = [
        (0, '已下架'),
        (1, '正在招聘'),
        (2, '已结束'),
        (3, '不确定'),
    ]

    title = models.CharField(max_length=200, verbose_name="职位名称")
    nature = models.CharField(max_length=50, verbose_name="职位性质", blank=True, null=True, )
    category = models.CharField(max_length=100, verbose_name="职位类别", blank=True, null=True, )
    region = models.CharField(max_length=100, verbose_name="职位区域", blank=True, null=True, )
    experience = models.CharField(max_length=100, verbose_name="工作经历要求", blank=True, null=True, )
    education = models.CharField(max_length=100, verbose_name="学历要求", blank=True, null=True, )
    salary = models.CharField(max_length=100, verbose_name="职位薪资", blank=True, null=True, )
    position_status = models.IntegerField(choices=POSITION_STATUS_CHOICES, default=0, verbose_name='职位状态',
                                          blank=True, null=True, )
    description = models.TextField(verbose_name="职位描述(详情)", blank=True, null=True, )
    contact_name = models.CharField(max_length=100, verbose_name="联系人姓名", blank=True, null=True, )
    contact_info = models.CharField(max_length=200, verbose_name="联系方式", blank=True, null=True, )
    benefits = models.TextField(verbose_name="职位福利", blank=True, null=True, help_text="可用换行或逗号分隔多条福利")
    openings = models.PositiveIntegerField(verbose_name="招聘人数", default=1, blank=True, null=True,
                                           help_text="默认为 1")
    website = models.ForeignKey(Website, on_delete=models.CASCADE, related_name="positions", verbose_name="所属网站")
    company = models.ForeignKey(Company, on_delete=models.CASCADE, related_name="positions", verbose_name="所属企业")

    def __str__(self):
        return f"{self.company.name} - {self.title}"

    class Meta:
        verbose_name = "职位"
        verbose_name_plural = "职位列表"
        unique_together = ['title', 'website', 'company']