from rest_framework import serializers
from news.models import News
from uuid import uuid4
import datetime
from django.conf import settings


class NewsSerializer(serializers.ModelSerializer):
    # image_url = serializers.CharField()
    # preview_image_url = serializers.CharField()
    attachment_file_name = serializers.CharField(allow_null=True)
    # body = serializers.CharField(allow_null=True, source="description")
    body = serializers.CharField(allow_null=True)
    title = serializers.CharField()
    template = serializers.CharField()
    state = serializers.CharField()
    created_at = serializers.DateTimeField(source="start", format='%m-%d-%Y %H:%M:%S')

    class Meta:
        model = News
        fields = (
            "created_at",
            "state",
            "template",
            # "image_url",
            # "preview_image_url",
            "attachment_file_name",
            "title",
            "body",
            "slug",
            "news_type",
            "playlist"
        )

    def validate(self, data):
        data["state"] = self.get_state(data)
        data["template"] = self.get_template(data)
        data["title"] = self.get_title(data)
        data["description"] = self.get_description(data)
        data["image_url"] = self.get_image_url(data)
        data["preview_image_url"] = self.get_preview_image_url(data)
        data.pop("attachment_file_name")
        data.pop("body")
        return data

    def create(self, validated_data):
        # validated_data['state'] = self.get_state(validated_data)
        return News.objects.create(**validated_data)

    def get_template(self, obj):
        if obj["template"] == "main":
            return News.MAIN
        elif obj["template"] == "main.pdf.erb":
            return News.MAIN_PDF_ERB
        else:
            return News.NEWSPAPER

        # if obj.template == "main":
        #     return News.MAIN
        # elif obj.template == "main.pdf.erb":
        #     return News.MAIN_PDF_ERB
        # else:
        #     return News.NEWSPAPER

    def get_state(self, obj):
        if obj["state"] == "published":
            return News.PUBLISHED
        elif obj["state"] == "hidden":
            return News.HIDDEN
        elif obj["state"] == "published_exclusive":
            return News.PUBLISHED_EXCLUSIVE
        else:
            return News.WAITING

        # if obj.state == "published":
        #     return News.PUBLISHED
        # elif obj.state == "hidden":
        #     return News.HIDDEN
        # elif obj.state == "published_exclusive":
        #     return News.PUBLISHED_EXCLUSIVE
        # else:
        #     return News.WAITING

    # django.db.utils.IntegrityError: "start" NOT NULL
    # def get_start(self, obj):
    #     # return obj.created_at
    #     return datetime.datetime.now().isoformat()

    def get_title(self, obj):
        tit = obj.get("title")
        return {"en-GB": tit}
        # return f'{"en-GB": {obj.title}}'

    def get_description(self, obj):
        # return {"en-GB": {obj["body"]}}
        desc = obj.get("body")
        return {"en-GB": desc}
        # if not hasattr(obj, "body"):
        #     return ""
        # else:
        #     return obj.body

    def get_image_url(self, obj):
        if not obj.get("attachment_file_name"):
            return ""

        if len(obj.get("attachment_file_name"))>200:
            return obj.get("attachment_file_name")[:200]
        return obj.get("attachment_file_name")
        # if not hasattr(obj, "attachment_file_name") or obj.attachment_file_name is None:
        #     return ""
        # return obj.attachment_file_name

    def get_preview_image_url(self, obj):
        if not obj.get("attachment_file_name"):
            return ""

        if len(obj.get("attachment_file_name"))>200:
            return obj.get("attachment_file_name")[:200]
        return obj.get("attachment_file_name")
        # if not hasattr(obj, "attachment_file_name") or obj.attachment_file_name is None:
        #     return ""
        # return obj.attachment_file_name