"""计费域：watch_records / point_transactions / recharge_orders / recharge_packages"""
from datetime import date, datetime
from decimal import Decimal

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

from app.models.base import Base


class WatchRecord(Base):
    __tablename__ = "watch_records"

    id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
    subject_type: Mapped[int] = mapped_column(SmallInteger, comment="1用户 2游客")
    subject_id: Mapped[str] = mapped_column(String(64), comment="user_id或device_id")
    video_id: Mapped[int] = mapped_column(BIGINT(unsigned=True))
    watch_date: Mapped[date] = mapped_column(Date)
    cost_type: Mapped[int] = mapped_column(SmallInteger, comment="0免费 1积分 2会员 3本人")
    cost_points: Mapped[int] = mapped_column(default=0)
    watch_duration: Mapped[int] = mapped_column(default=0, comment="秒")
    position: Mapped[int] = mapped_column(default=0, comment="最后播放进度(秒)，续播用")
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())

    __table_args__ = (
        Index("uk_dedup", "subject_type", "subject_id", "video_id", "watch_date", unique=True),
        Index("idx_subject", "subject_type", "subject_id", "created_at"),
    )


class PointTransaction(Base):
    __tablename__ = "point_transactions"

    id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
    user_id: Mapped[int] = mapped_column(BIGINT(unsigned=True))
    change_amount: Mapped[int] = mapped_column(comment="正增负减")
    balance_after: Mapped[int] = mapped_column()
    biz_type: Mapped[int] = mapped_column(
        SmallInteger, comment="1充值 2观看 3评论奖励 4会员 5赠送 6调整 7扣回 8推荐奖励"
    )
    biz_id: Mapped[str] = mapped_column(String(64), default="")
    remark: Mapped[str] = mapped_column(String(200), default="")
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())

    __table_args__ = (
        Index("idx_user_created", "user_id", "created_at"),
        Index("idx_biz", "biz_type", "biz_id"),
    )


class RechargeOrder(Base):
    __tablename__ = "recharge_orders"

    id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
    order_no: Mapped[str] = mapped_column(String(32), unique=True)
    user_id: Mapped[int] = mapped_column(BIGINT(unsigned=True))
    amount_fen: Mapped[int] = mapped_column(comment="人民币金额(分)")
    points: Mapped[int] = mapped_column(comment="应到账积分")
    pay_method: Mapped[int] = mapped_column(SmallInteger, comment="1支付宝 2微信 3USDT")
    status: Mapped[int] = mapped_column(SmallInteger, default=0, comment="0待支付 1已支付 2已关闭 3已退款")
    third_trade_no: Mapped[str | None] = mapped_column(String(64), unique=True)
    usdt_amount: Mapped[Decimal | None] = mapped_column(Numeric(18, 6))
    usdt_rate: Mapped[Decimal | None] = mapped_column(Numeric(10, 4))
    paid_at: Mapped[datetime | None] = mapped_column(DateTime)
    expire_at: Mapped[datetime] = mapped_column(DateTime)
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())

    __table_args__ = (Index("idx_user_status", "user_id", "status"),)


class RechargePackage(Base):
    """充值套餐档位（管理后台实时可配）"""

    __tablename__ = "recharge_packages"

    id: Mapped[int] = mapped_column(INTEGER(unsigned=True), primary_key=True, autoincrement=True)
    amount_yuan: Mapped[int] = mapped_column()
    points: Mapped[int] = mapped_column(comment="基础积分=金额x汇率")
    bonus_points: Mapped[int] = mapped_column(default=0)
    sort: Mapped[int] = mapped_column(default=0)
    status: Mapped[int] = mapped_column(SmallInteger, default=1, comment="1上架 0下架")
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())