import vk_api
from config import Config
from db import db, VkPost
from datetime import datetime


def publish_vk_posts():
    vk_session = vk_api.VkApi(token=Config.VK_GROUP_TOKEN)
    vk = vk_session.get_api()

    posts = VkPost.query.filter(
        VkPost.published.is_(False), VkPost.publish_at <= datetime.utcnow()
    ).all()

    for post in posts:
        attachments = []

        if post.image_path:
            upload = vk_api.VkUpload(vk_session)
            photo = upload.photo_wall(post.image_path, group_id=Config.VK_GROUP_ID)
            attachments.append(f"photo{photo[0]['owner_id']}_{photo[0]['id']}")

        vk.wall.post(
            owner_id=-Config.VK_GROUP_ID,
            message=post.text,
            attachments=",".join(attachments),
        )

        post.published = True
        db.session.commit()