from rest_framework import serializers
from .models import Club, Tournament, CustomUser
from django.contrib.auth import password_validation
from django.utils.translation import gettext_lazy as _

class UserSerializer(serializers.HyperlinkedModelSerializer):

    password = serializers.CharField(write_only=True)

    def create(self, validated_data):
        user = CustomUser.objects.create_user(
            username=validated_data['username'],
            password=validated_data['password'],
        )
        return user

    class Meta:
        club_id = serializers.PrimaryKeyRelatedField(queryset=Club.objects.all())
        model = CustomUser
        fields = ['id', 'username', 'password', 'club_id', 'umpire_code']

class ClubSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Club
        fields = ['id', 'name', 'address']

class TournamentSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        club_id = serializers.PrimaryKeyRelatedField(queryset=Club.objects.all())
        model = Tournament
        fields = ['id', 'name', 'club_id']

class ChangePasswordSerializer(serializers.Serializer):
    old_password = serializers.CharField(max_length=128, write_only=True, required=True)
    new_password1 = serializers.CharField(max_length=128, write_only=True, required=True)
    new_password2 = serializers.CharField(max_length=128, write_only=True, required=True)

    def validate_old_password(self, value):
        user = self.context['request'].user
        if not user.check_password(value):
            raise serializers.ValidationError(
                _('Your old password was entered incorrectly. Please enter it again.')
            )
        return value

    def validate(self, data):
        if data['new_password1'] != data['new_password2']:
            raise serializers.ValidationError({'new_password2': _("The two password fields didn't match.")})
        password_validation.validate_password(data['new_password1'], self.context['request'].user)
        return data

    def save(self, **kwargs):
        password = self.validated_data['new_password1']
        user = self.context['request'].user
        user.set_password(password)
        user.save()
        return user