from datetime import datetime, timezone
from sqlalchemy import Boolean, DateTime, Float, Integer, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.db import Base


class DemoAccountState(Base):
    __tablename__ = 'demo_account_state'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, default=1)
    quote_asset: Mapped[str] = mapped_column(String(16), nullable=False)
    balance: Mapped[float] = mapped_column(Float, nullable=False)
    equity: Mapped[float] = mapped_column(Float, nullable=False)
    realized_pnl: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class DemoTradeRecord(Base):
    __tablename__ = 'demo_trades'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    market: Mapped[str] = mapped_column(String(32), nullable=False, index=True)
    side: Mapped[str] = mapped_column(String(8), nullable=False)
    price: Mapped[float] = mapped_column(Float, nullable=False)
    amount: Mapped[float] = mapped_column(Float, nullable=False)
    quote_amount: Mapped[float] = mapped_column(Float, nullable=False)
    reason: Mapped[str] = mapped_column(String(512), nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class DemoPosition(Base):
    __tablename__ = 'demo_positions'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    market: Mapped[str] = mapped_column(String(32), nullable=False, index=True)
    amount: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
    avg_entry_price: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
    realized_pnl: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
    is_open: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class BotState(Base):
    __tablename__ = 'bot_state'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, default=1)
    enabled: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    trade_mode: Mapped[str] = mapped_column(String(16), nullable=False, default='demo')
    trade_style_mode: Mapped[str] = mapped_column(String(32), nullable=False, default='balanced')
    min_signal_score: Mapped[float] = mapped_column(Float, nullable=False, default=65.0)
    max_open_positions: Mapped[int] = mapped_column(Integer, nullable=False, default=3)
    max_quote_per_trade: Mapped[float] = mapped_column(Float, nullable=False, default=100.0)
    emergency_stop: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    live_acknowledged: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class AiDecision(Base):
    __tablename__ = 'ai_decisions'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    market: Mapped[str] = mapped_column(String(32), nullable=False, index=True)
    action: Mapped[str] = mapped_column(String(16), nullable=False)
    score: Mapped[float] = mapped_column(Float, nullable=False)
    confidence: Mapped[float] = mapped_column(Float, nullable=False)
    reason: Mapped[str] = mapped_column(Text, nullable=False)
    indicators_json: Mapped[str] = mapped_column(Text, nullable=False, default='{}')
    executed: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class NewsSignal(Base):
    __tablename__ = 'news_signals'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    source: Mapped[str] = mapped_column(String(128), nullable=False, default='manual')
    title: Mapped[str] = mapped_column(String(512), nullable=False)
    market: Mapped[str] = mapped_column(String(32), nullable=False, index=True)
    sentiment: Mapped[str] = mapped_column(String(16), nullable=False, default='neutral')
    score: Mapped[float] = mapped_column(Float, nullable=False, default=50.0)
    url: Mapped[str] = mapped_column(String(1024), nullable=False, default='')
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        nullable=False,
    )


class SystemStatus(Base):
    __tablename__ = 'system_status'

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    component: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
    status: Mapped[str] = mapped_column(String(32), nullable=False)
    message: Mapped[str] = mapped_column(Text, nullable=False, default='')
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        default=lambda: datetime.now(timezone.utc),
        nullable=False,
    )