"""
SEC Form 4 — Insider Transaction model
"""

from datetime import datetime, timezone
import uuid

from sqlalchemy import Column, String, Float, Boolean, Index, Text, UniqueConstraint
from sqlalchemy.dialects.postgresql import UUID, TIMESTAMP

from app.core.database import Base


class InsiderTransaction(Base):
    __tablename__ = "insider_transactions"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    ticker = Column(String(10), nullable=False, index=True)
    cik = Column(String(20), nullable=False)
    accession_number = Column(String(30), nullable=False)
    filing_date = Column(TIMESTAMP(timezone=True), nullable=False)

    # Reporting owner
    owner_name = Column(String(255), nullable=False)
    owner_cik = Column(String(20), nullable=True)
    owner_relationship = Column(Text, nullable=True)
    is_officer = Column(Boolean, default=False)
    is_director = Column(Boolean, default=False)
    is_ten_percent_owner = Column(Boolean, default=False)
    officer_title = Column(String(255), nullable=True)
    is_ceo = Column(Boolean, nullable=False, default=False)
    is_cfo = Column(Boolean, nullable=False, default=False)
    is_c_suite = Column(Boolean, nullable=False, default=False)

    # Transaction details
    security_title = Column(String(255), nullable=True)
    transaction_date = Column(TIMESTAMP(timezone=True), nullable=False)
    transaction_code = Column(String(10), nullable=False)  # P, S, A, M, G, J/K, etc.
    shares = Column(Float, nullable=False)
    price_per_share = Column(Float, nullable=True)
    total_value = Column(Float, nullable=True)
    shares_owned_after = Column(Float, nullable=True)
    purchase_pct_of_holding = Column(Float, nullable=True)
    is_derivative = Column(Boolean, default=False)

    created_at = Column(
        TIMESTAMP(timezone=True), default=lambda: datetime.now(timezone.utc)
    )
    updated_at = Column(
        TIMESTAMP(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
    )

    __table_args__ = (
        UniqueConstraint(
            "accession_number", "owner_cik", "transaction_date",
            "transaction_code", "shares",
            name="uq_insider_transaction",
        ),
        Index("idx_insider_ticker_date", "ticker", "transaction_date"),
        Index("idx_insider_ticker_code", "ticker", "transaction_code"),
        Index("idx_insider_filing_date", "filing_date"),
        Index("idx_insider_filing_ticker", "filing_date", "ticker"),
    )