from sqlalchemy import create_engine, Column, Integer, String, Text, ForeignKey, Boolean
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from sqlalchemy.sql.functions import func
from sqlalchemy.sql.sqltypes import DateTime
import os

# Initialize the database
DATABASE_URL = os.getenv("DATABASE_URL")

if not DATABASE_URL:
    raise ValueError("DATABASE_URL environment variable is not set")

# SQLAlchemy setup
engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()


# Define the table model


class Script(Base):
    __tablename__ = "scripts"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    script_content = Column(Text, nullable=True)
    enabled = Column(Boolean, default=False)
    created_at = Column(
        DateTime(timezone=True), nullable=False, server_default=func.now()
    )


class Log(Base):
    __tablename__ = "logs"

    id = Column(Integer, primary_key=True, index=True)
    message = Column(String, nullable=False)
    error_code = Column(Integer, nullable=False, default=0)
    error_message = Column(String, nullable=True)
    created_at = Column(
        DateTime(timezone=True), nullable=False, server_default=func.now()
    )

    script_id = Column(Integer, ForeignKey("scripts.id"), nullable=False)


class Settings(Base):
    __tablename__ = "user_settings"

    id = Column(Integer, primary_key=True, index=True)
    requirements = Column(String, nullable=False)
    environment = Column(String, nullable=False)
    user = Column(String, nullable=False)
    ntfy_url = Column(String, nullable=True)


class Subscription(Base):
    __tablename__ = "subscriptions"

    id = Column(Integer, primary_key=True, index=True)
    topic = Column(String, nullable=False, unique=True)
    last_message_id = Column(String, nullable=True)
    created_at = Column(
        DateTime(timezone=True), nullable=False, server_default=func.now()
    )


class Notification(Base):
    __tablename__ = "notifications"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String(255), nullable=False)
    message = Column(Text, nullable=False)
    priority = Column(Integer, nullable=False, default=3)
    viewed = Column(Boolean, default=False)
    sent = Column(Boolean, default=False)

    subscription_id = Column(Integer, ForeignKey("subscriptions.id"), nullable=False)
    created_at = Column(
        DateTime(timezone=True), nullable=False, server_default=func.now()
    )


# Create the database tables
Base.metadata.create_all(bind=engine)


# Ensure a default setting line exists
def ensure_default_setting():
    db = SessionLocal()
    default_setting = db.query(Settings).filter(Settings.user == "default").first()
    if not default_setting:
        new_setting = Settings(
            requirements="",
            environment="",
            user="default",
            ntfy_url="https://ntfy.abzk.fr",
        )
        db.add(new_setting)
        db.commit()
    db.close()


ensure_default_setting()