from base58 import b58decode
from sqlalchemy import Column, BigInteger, Integer, String, ForeignKey, DateTime, JSON, Boolean
from sqlalchemy.orm import relationship

from app.core.content.content_id import ContentId
from .base import AlchemyBase


class StoredContent(AlchemyBase):
    __tablename__ = 'node_storage'

    id = Column(Integer, autoincrement=True, primary_key=True)
    type = Column(String(32), nullable=False)
    hash = Column(String(64), nullable=False, unique=True)  # base58
    onchain_index = Column(BigInteger, nullable=True, default=None)

    status = Column(String(32), nullable=True)
    filename = Column(String(1024), nullable=False)
    meta = Column(JSON, nullable=False, default={})

    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
    owner_address = Column(String(1024), nullable=True)

    btfs_cid = Column(String(1024), nullable=True)
    ipfs_cid = Column(String(1024), nullable=True)
    telegram_cid = Column(String(1024), nullable=True)

    created = Column(DateTime, nullable=False, default=0)
    updated = Column(DateTime, nullable=False, default=0)
    disabled = Column(DateTime, nullable=False, default=0)
    disabled_by = Column(Integer, ForeignKey('users.id'), nullable=True, default=None)

    encrypted = Column(Boolean, nullable=False, default=False)
    decrypted_content_id = Column(Integer, ForeignKey('node_storage.id'), nullable=True, default=None)
    key_id = Column(Integer, ForeignKey('known_keys.id'), nullable=True, default=None)

    user = relationship('User', uselist=False, foreign_keys=[user_id])
    key = relationship('KnownKey', uselist=False, foreign_keys=[key_id])
    decrypted_content = relationship('StoredContent', uselist=False, foreign_keys=[decrypted_content])

    @property
    def cid(self) -> ContentId:
        return ContentId(
            content_hash=b58decode(self.hash),
            onchain_index=self.onchain_index,
            accept_type=self.meta.get('content_type', 'image/jpeg')
        )

    def json_format(self):
        extra_fields = {}
        if self.btfs_cid:
            extra_fields['btfs_cid'] = self.btfs_cid
        if self.ipfs_cid:
            extra_fields['ipfs_cid'] = self.ipfs_cid
        if self.type.startswith('local'):
            pass

        return {
            **extra_fields,
            "hash": self.hash,
            "cid": self.cid.serialize_v1(),
            "status": self.status,
            "meta": self.meta
        }