from rest_framework import serializers
from .models import Job, Application, JobCategory
from users.serializers import UserSerializer
from tenants.serializers import TenantSerializer


class JobCategorySerializer(serializers.ModelSerializer):
    """
    Serializer for the JobCategory model.
    """
    class Meta:
        model = JobCategory
        fields = '__all__'


class JobSerializer(serializers.ModelSerializer):
    """
    Serializer for the Job model.
    """
    posted_by = UserSerializer(read_only=True)
    tenant = TenantSerializer(read_only=True)
    category = JobCategorySerializer(read_only=True)
    
    class Meta:
        model = Job
        fields = '__all__'
        read_only_fields = ('posted_by', 'tenant', 'created_at', 'updated_at', 'published_at')


class ApplicationSerializer(serializers.ModelSerializer):
    """
    Serializer for the Application model.
    """
    job = JobSerializer(read_only=True)
    applicant = UserSerializer(read_only=True)
    
    class Meta:
        model = Application
        fields = '__all__'
        read_only_fields = ('job', 'applicant', 'applied_at', 'updated_at')