"""通用域：notifications / reports / sensitive_words / system_configs"""
from datetime import datetime

from sqlalchemy import DateTime, Index, SmallInteger, String, func
from sqlalchemy.dialects.mysql import BIGINT, INTEGER
from sqlalchemy.orm import Mapped, mapped_column

from app.models.base import Base


class Notification(Base):
    __tablename__ = "notifications"

    id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
    user_id: Mapped[int] = mapped_column(BIGINT(unsigned=True), comment="接收人")
    type: Mapped[int] = mapped_column(SmallInteger, comment="1审核结果 2提现进度 3系统公告 4评论回复")
    title: Mapped[str] = mapped_column(String(100), default="")
    content: Mapped[str] = mapped_column(String(500), default="")
    biz_id: Mapped[str] = mapped_column(String(64), default="")
    is_read: Mapped[int] = mapped_column(SmallInteger, default=0)
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())

    __table_args__ = (Index("idx_user_read", "user_id", "is_read", "id"),)


class Report(Base):
    __tablename__ = "reports"

    id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
    user_id: Mapped[int] = mapped_column(BIGINT(unsigned=True), comment="举报人")
    target_type: Mapped[int] = mapped_column(SmallInteger, comment="1视频 2评论")
    target_id: Mapped[int] = mapped_column(BIGINT(unsigned=True))
    reason_type: Mapped[int] = mapped_column(SmallInteger, comment="1色情低俗 2暴力血腥 3侵权 4广告营销 5其他")
    remark: Mapped[str] = mapped_column(String(200), default="")
    status: Mapped[int] = mapped_column(SmallInteger, default=0, comment="0待处理 1已处理 2已驳回")
    handle_result: Mapped[str] = mapped_column(String(50), default="")
    admin_id: Mapped[int | None] = mapped_column(BIGINT(unsigned=True))
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    handled_at: Mapped[datetime | None] = mapped_column(DateTime)

    __table_args__ = (
        Index("uk_user_target", "user_id", "target_type", "target_id", unique=True),
        Index("idx_status", "status", "created_at"),
    )


class SensitiveWord(Base):
    __tablename__ = "sensitive_words"

    id: Mapped[int] = mapped_column(INTEGER(unsigned=True), primary_key=True, autoincrement=True)
    word: Mapped[str] = mapped_column(String(50), unique=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())


class SystemConfig(Base):
    """平台配置键值对（后台可改，Redis 缓存 60s）"""

    __tablename__ = "system_configs"

    config_key: Mapped[str] = mapped_column(String(50), primary_key=True)
    config_value: Mapped[str] = mapped_column(String(500), default="")
    description: Mapped[str] = mapped_column(String(200), default="")
    updated_by: Mapped[int | None] = mapped_column(BIGINT(unsigned=True))
    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())