import uuid

from sqlalchemy import (
    Boolean,
    Column,
    DateTime,
    Float,
    ForeignKey,
    Integer,
    String,
    Text,
)
from sqlalchemy.dialects.postgresql import UUID

from shared.database import BaseModel


class EmergencyAlert(BaseModel):
    __tablename__ = "emergency_alerts"

    uuid = Column(UUID(as_uuid=True), default=uuid.uuid4, unique=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)

    # Location at time of alert
    latitude = Column(Float, nullable=False)
    longitude = Column(Float, nullable=False)
    address = Column(String(500))

    # Alert details
    alert_type = Column(
        String(50), default="general"
    )  # general, medical, violence, etc.
    message = Column(Text)
    is_resolved = Column(Boolean, default=False)
    resolved_at = Column(DateTime(timezone=True))
    resolved_by = Column(Integer, ForeignKey("users.id"))

    # Response tracking
    notified_users_count = Column(Integer, default=0)
    responded_users_count = Column(Integer, default=0)

    def __repr__(self):
        return f"<EmergencyAlert {self.uuid}>"


class EmergencyResponse(BaseModel):
    __tablename__ = "emergency_responses"

    alert_id = Column(
        Integer, ForeignKey("emergency_alerts.id"), nullable=False, index=True
    )
    responder_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)

    response_type = Column(String(50))  # help_on_way, contacted_authorities, etc.
    message = Column(Text)
    eta_minutes = Column(Integer)  # Estimated time of arrival

    def __repr__(self):
        return f"<EmergencyResponse {self.id}>"