"""Message models — messages, message reports."""

from sqlalchemy import (
    Column,
    Integer,
    String,
    Text,
    DateTime,
    ForeignKey,
    Boolean,
    Index,
)
from sqlalchemy.dialects.postgresql import ENUM
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
import enum

from app.database import Base


class MessageReportStatus(str, enum.Enum):
    PENDING = "pending"
    RESOLVED = "resolved"
    DISMISSED = "dismissed"


class MessageReportReason(str, enum.Enum):
    SPAM = "spam"
    INAPPROPRIATE = "inappropriate"
    OFF_TOPIC = "off_topic"
    OTHER = "other"


class Message(Base):
    __tablename__ = "messages"

    id = Column(Integer, primary_key=True, index=True)
    sender_id = Column(
        Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False
    )
    conversation_id = Column(
        Integer, ForeignKey("conversations.id", ondelete="CASCADE"), nullable=True
    )
    world_id = Column(
        Integer, ForeignKey("worlds.id", ondelete="CASCADE"), nullable=True
    )
    room_id = Column(String(36), nullable=True)
    body = Column(Text, nullable=False)
    is_filtered = Column(Boolean, default=False, nullable=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    # Relationships
    sender = relationship("User", back_populates="sent_messages")
    conversation = relationship("Conversation", back_populates="messages")
    world = relationship("World")
    reports = relationship(
        "MessageReport", back_populates="message", cascade="all, delete-orphan"
    )

    # Indexes for history queries
    __table_args__ = (
        Index("ix_messages_conversation_created", "conversation_id", "created_at"),
        Index("ix_messages_world_created", "world_id", "created_at"),
    )


class MessageReport(Base):
    __tablename__ = "message_reports"

    id = Column(Integer, primary_key=True, index=True)
    message_id = Column(
        Integer, ForeignKey("messages.id", ondelete="CASCADE"), nullable=False
    )
    reporter_id = Column(
        Integer, ForeignKey("users.id", ondelete="SET NULL"), nullable=False
    )
    reason = Column(
        ENUM(MessageReportReason, name="message_report_reason", create_type=False),
        nullable=False,
    )
    details = Column(Text, nullable=True)
    status = Column(
        ENUM(MessageReportStatus, name="message_report_status", create_type=False),
        default=MessageReportStatus.PENDING,
        nullable=False,
    )
    moderator_id = Column(
        Integer, ForeignKey("users.id", ondelete="SET NULL"), nullable=True
    )
    resolved_at = Column(DateTime(timezone=True), nullable=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    # Relationships
    message = relationship("Message", back_populates="reports")
    reporter = relationship("User", foreign_keys=[reporter_id])
    moderator = relationship("User", foreign_keys=[moderator_id])