#!/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 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: Mapped[str] = Column(String, unique=True, nullable=False, index=True) # type: ignore
    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):
    __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: Mapped[str] = Column(String, nullable=False, unique=True, index=True) # type: ignore
    ap_context = Column(String, nullable=True)
    ap_published_at = Column(DateTime(timezone=True), nullable=False)
    ap_object: Mapped[dict[str, Any] | None] = Column(JSON, nullable=False) # type: ignore
    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):
    __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: Mapped[str] = Column(String, nullable=False, unique=True, index=True) # type: ignore
    ap_context = Column(String, nullable=True)
    ap_object: Mapped[ap.RawObject] = Column(JSON, nullable=False) #type: ignore

    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: Mapped[int] = Column(Integer, nullable=False, default=0) #type: ignore

    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)