from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, ForeignKey, Text
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String(50), unique=True, index=True, nullable=False)
    email = Column(String(100), unique=True, index=True, nullable=False)
    hashed_password = Column(String(255), nullable=False)
    is_active = Column(Boolean, default=True)
    is_admin = Column(Boolean, default=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    last_login = Column(DateTime(timezone=True), onupdate=func.now())

    # Relationships
    stats = relationship("UserStats", back_populates="user", uselist=False, cascade="all, delete-orphan")
    sessions = relationship("GameSession", back_populates="user", cascade="all, delete-orphan")


class UserStats(Base):
    __tablename__ = "user_stats"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), unique=True, nullable=False)
    
    # Игровые параметры
    energy = Column(Float, default=100.0)
    max_energy = Column(Float, default=100.0)
    hunger = Column(Float, default=100.0)  # сытость
    max_hunger = Column(Float, default=100.0)
    
    # Статистика
    total_playtime = Column(Integer, default=0)  # в секундах
    level = Column(Integer, default=1)
    experience = Column(Integer, default=0)
    coins = Column(Integer, default=0)
    
    # Игровые достижения
    rooms_visited = Column(Integer, default=0)
    items_collected = Column(Integer, default=0)
    enemies_defeated = Column(Integer, default=0)
    deaths = Column(Integer, default=0)
    
    updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())

    # Relationship
    user = relationship("User", back_populates="stats")


class GameSession(Base):
    __tablename__ = "game_sessions"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    
    started_at = Column(DateTime(timezone=True), server_default=func.now())
    ended_at = Column(DateTime(timezone=True), nullable=True)
    duration = Column(Integer, default=0)  # в секундах
    
    # Статистика сессии
    energy_consumed = Column(Float, default=0.0)
    hunger_consumed = Column(Float, default=0.0)
    rooms_visited_session = Column(Integer, default=0)
    items_collected_session = Column(Integer, default=0)
    enemies_defeated_session = Column(Integer, default=0)
    deaths_session = Column(Integer, default=0)
    
    # Relationship
    user = relationship("User", back_populates="sessions")


class GameAction(Base):
    """Лог действий пользователя для детальной аналитики"""
    __tablename__ = "game_actions"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    action_type = Column(String(50), nullable=False)  # move, attack, collect, eat, rest
    action_data = Column(Text, nullable=True)  # JSON данные
    timestamp = Column(DateTime(timezone=True), server_default=func.now())


class SystemStats(Base):
    """Системная статистика для админки"""
    __tablename__ = "system_stats"

    id = Column(Integer, primary_key=True, index=True)
    date = Column(DateTime(timezone=True), server_default=func.now())
    
    # Общие показатели
    total_users = Column(Integer, default=0)
    active_users_today = Column(Integer, default=0)
    new_users_today = Column(Integer, default=0)
    total_sessions = Column(Integer, default=0)
    avg_session_duration = Column(Float, default=0.0)
    
    # Игровая статистика
    total_playtime = Column(Integer, default=0)
    total_rooms_visited = Column(Integer, default=0)
    total_items_collected = Column(Integer, default=0)
    total_enemies_defeated = Column(Integer, default=0)