#!/usr/bin/env python3
import enum
from typing import Any
from typing import Optional
from typing import Union

from app import activitypub as ap
from app.database import Base
from app.database import metadata_obj
from app.activitypub import BaseActor
from app.ap_object import BaseObject

from sqlalchemy import Column
from sqlalchemy import Boolean
from sqlalchemy import DateTime
from sqlalchemy import Enum
from sqlalchemy import Integer
from sqlalchemy import String
from sqlalchemy import JSON
from sqlalchemy import ForeignKey
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import relationship

from datetime import datetime as dtime
from datetime import timezone


def now() -> dtime:
    return dtime.now(timezone.utc)


class Actor(Base, BaseActor):
    __tablename__ = "actor"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)
    updated_at = Column(DateTime(timezone=True), nullable=False, default=now)

    ap_id = Column(String, unique=True, nullable=False, index=True)
    ap_actor = Column(JSON, nullable=False)
    ap_type = Column(String, nullable=False)

    handle = Column(String, nullable=True, index=True)

    is_blocked = Column(Boolean, nullable=False, default=False, server_default="0")
    is_deleted = Column(Boolean, nullable=False, default=False, server_default="0")


class InboxObject(Base, BaseObject):
    __tablename__ = "inbox"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)
    updated_at = Column(DateTime(timezone=True), nullable=False, default=now)

    actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False)
    actor: Mapped[Actor] = relationship(Actor, uselist=False)

    server = Column(String, nullable=False)

    is_hidden_from_stream = Column(Boolean, nullable=False, default=False)

    ap_actor_id = Column(String, nullable=False)
    ap_type = Column(String, nullable=False, index=True)
    ap_id = Column(String, nullable=False, unique=True, index=True)
    ap_context = Column(String, nullable=True)
    ap_published_at = Column(DateTime(timezone=True), nullable=False)
    ap_object = Column(JSON, nullable=False)
    activity_object_ap_id = Column(String, nullable=True, index=True)

    visibility = Column(Enum(ap.VisibilityEnum), nullable=False)

    is_deleted = Column(Boolean, nullable=False, default=False)
    relates_to_inbox_object_id = Column(
        Integer,
        ForeignKey("inbox.id"),
        nullable=True,
    )
    relates_to_inbox_object: Mapped[Optional["InboxObject"]] = relationship(
        "InboxObject",
        foreign_keys=[relates_to_inbox_object_id],
        remote_side=id,
        uselist=False,
    )
    relates_to_outbox_object_id = Column(
        Integer,
        ForeignKey("outbox.id", use_alter=True),
        nullable=True,
    )
    relates_to_outbox_object: Mapped[Optional["OutboxObject"]] = relationship(
        "OutboxObject",
        foreign_keys=relates_to_outbox_object_id,
        uselist=False,
    )


class OutboxObject(Base, BaseObject):
    __tablename__ = "outbox"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)
    updated_at = Column(DateTime(timezone=True), nullable=False, default=now)

    public_id = Column(String, nullable=False, index=True)
    slug = Column(String, nullable=True, index=True)

    ap_type = Column(String, nullable=False, index=True)
    ap_id = Column(String, nullable=False, unique=True, index=True)
    ap_context = Column(String, nullable=True)
    ap_object = Column(JSON, nullable=False)

    activity_object_ap_id = Column(String, nullable=True, index=True)

    visibility = Column(Enum(ap.VisibilityEnum), nullable=False)

    is_deleted = Column(Boolean, nullable=False, default=False)
    likes_count = Column(Integer, nullable=False, default=0)
    announces_count = Column(Integer, nullable=False, default=0)
    replies_count = Column(Integer, nullable=False, default=0)

    relates_to_inbox_object_id = Column(
        Integer,
        ForeignKey("inbox.id", use_alter=True),
        nullable=True,
    )
    relates_to_inbox_object: Mapped[Optional["InboxObject"]] = relationship(
        "InboxObject",
        foreign_keys=relates_to_inbox_object_id,
        uselist=False,
    )
    relates_to_outbox_object_id = Column(
        Integer,
        ForeignKey("outbox.id"),
        nullable=True,
    )
    relates_to_outbox_object: Mapped[Optional["OutboxObject"]] = relationship(
        "OutboxObject",
        foreign_keys=[relates_to_outbox_object_id],
        remote_side=id,
        uselist=False,
    )

    relates_to_actor_id = Column(
        Integer,
        ForeignKey("actor.id"),
        nullable=True,
    )
    relates_to_actor: Mapped[Optional["Actor"]] = relationship(
        "Actor",
        foreign_keys=[relates_to_actor_id],
        uselist=False,
    )


class IncomingActivity(Base):
    __tablename__ = "ingress"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)

    ap_id = Column(String, nullable=True, index=True)
    ap_object = Column(JSON, nullable=True)


class OutcomingActivity(Base):
    __tablename__ = "push"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)

    ap_id = Column(String, nullable=True, index=True)
    ap_object = Column(JSON, nullable=True)


class Follower(Base):
    __tablename__ = "follower"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)
    updated_at = Column(DateTime(timezone=True), nullable=False, default=now)

    actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False, unique=True)
    actor: Mapped[Actor] = relationship(Actor, uselist=False)

    inbox_object_id = Column(Integer, ForeignKey("inbox.id"), nullable=False)
    inbox_object = relationship(InboxObject, uselist=False)

    ap_actor_id = Column(String, nullable=False, unique=True)


class Following(Base):
    __tablename__ = "following"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime(timezone=True), nullable=False, default=now)
    updated_at = Column(DateTime(timezone=True), nullable=False, default=now)

    actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False, unique=True)
    actor: Mapped[Actor] = relationship(Actor, uselist=False)

    outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
    outbox_object = relationship(OutboxObject, uselist=False)

    ap_actor_id = Column(String, nullable=False, unique=True)