from apps.utils.serializers import CustomModelSerializer
from apps.enm.models import Mpoint, MpLog, MpointStat
from apps.utils.constants import EXCLUDE_FIELDS
from rest_framework import serializers
from apps.mtm.models import Mgroup


class MpointSerializer(CustomModelSerializer):
    mgroup = serializers.PrimaryKeyRelatedField(label="测点集", queryset=Mgroup.objects.all(), required=True)
    mgroup_name = serializers.CharField(source='mgroup.name', read_only=True)
    belong_dept_name = serializers.CharField(source='belong_dept.name', read_only=True)
    ep_monitored_name = serializers.CharField(source='ep_monitored.name', read_only=True)
    ep_belong_name = serializers.CharField(source='ep_belong.name', read_only=True)
    class Meta:
        model = Mpoint
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS + ['belong_dept', 'cate']
    
    def validate(self, attrs):
        if 'material'  in attrs and attrs['material']:
            attrs['cate'] = 'material'
        attrs['belong_dept'] = attrs['mgroup'].belong_dept
        return attrs


class MpLogSerializer(CustomModelSerializer):
    mpoint_name = serializers.CharField(source='mpoint.name', read_only=True)
    class Meta:
        model = MpLog
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS + ['mpoint_name']


class MpointStatSerializer(CustomModelSerializer):
    mpoint_name = serializers.CharField(source='mpoint.name', read_only=True)
    class Meta:
        model = MpointStat
        fields = '__all__'