from rest_framework import serializers

from apps.course.models import Category, Course, Material, Like
from apps.content.models import (
    Image, Text, ImageText, Video,
    Gallery, GalleryImage,
)


class MaterialSerializer(serializers.ModelSerializer):

    class Meta:
        model = Material
        fields = (
            'id',
            'title',
            'cover',
            'short_description',
            'created_at',
            'update_at',
        )

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class LikeSerializer(serializers.ModelSerializer):

    class Meta:
        model = Like
        fields = (
            'id',
            'user',
            'created_at',
            'update_at',
        )

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class CategorySerializer(serializers.ModelSerializer):

    class Meta:
        model = Category
        fields = (
            'id',
            'title',
        )

    read_only_fields = (
        'id',
    )


class CourseSerializer(serializers.ModelSerializer):

    class Meta:
        model = Course
        fields = (
            'id',
            'author',
            'title',
            'short_description',
            'from_author',
            'cover',
            'price',
            'is_infinite',
            'deferred_start_at',
            'category',
            'duration',
            'is_featured',
            'url',
            'status',
            'likes',
            'materials',
            'created_at',
            'update_at',
        )

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class ImageSerializer(serializers.ModelSerializer):

    class Meta:
        model = Image
        fields = (
            'id',
            'course',
            'lesson',
            'title',
            'position',
            'created_at',
            'update_at',
        ) + ('img',)

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class TextSerializer(serializers.ModelSerializer):

    class Meta:
        model = Text
        fields = (
            'id',
            'course',
            'lesson',
            'title',
            'position',
            'created_at',
            'update_at',
        ) + ('txt',)

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class ImageTextSerializer(serializers.ModelSerializer):

    class Meta:
        model = ImageText
        fields = (
            'id',
            'course',
            'lesson',
            'title',
            'position',
            'created_at',
            'update_at',
        ) + ('img', 'txt',)

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class VideoSerializer(serializers.ModelSerializer):

    class Meta:
        model = Video
        fields = (
            'id',
            'course',
            'lesson',
            'title',
            'position',
            'created_at',
            'update_at',
        ) + ('url',)

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class GallerySerializer(serializers.ModelSerializer):

    class Meta:
        model = Gallery
        fields = (
            'id',
            'course',
            'title',
            'created_at',
            'update_at',
        )

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )


class GalleryImageSerializer(serializers.ModelSerializer):

    class Meta:
        model = GalleryImage
        fields = (
            'id',
            'gallery',
            'image',
            'created_at',
            'update_at',
        )

        read_only_fields = (
            'id',
            'created_at',
            'update_at',
        )