from sqlalchemy import Date,Column, Integer, String, Float, ForeignKey, DateTime,Boolean
from sqlalchemy.orm import relationship
from app.db.database import Base
from datetime import datetime

class User(Base):
    __tablename__="users"
    id=Column(Integer,primary_key=True,index=True)
    username=Column(String,unique=True,index=True,nullable=False)
    email=Column(String,unique=True,index=True,nullable=False)
    hashed_password=Column(String,nullable=False)
    created_at=Column(DateTime,default=datetime.utcnow)
    is_2fa_enabled=Column(Boolean,default=False)
    totp_secret=Column(String,nullable=True)
    history=relationship("History",back_populates="user")
    reset_codes=relationship("PasswordReset",back_populates="user")
    full_name=Column(String,nullable=True)
    age=Column(Integer, nullable=True)
    gender = Column(String, nullable=True)
    height_cm = Column(Float, nullable=True)
    weight_kg = Column(Float, nullable=True)
    activity_level = Column(String, nullable=True)
    goal_type = Column(String, nullable=True)
    calorie_goal_mode = Column(String, nullable=True)
    calorie_goal_manual = Column(Float, nullable=True)
    weight_goal_kg = Column(Float, nullable=True)
    setup_completed = Column(Boolean, default=False)
    start_weight = Column(Float, nullable=True)
    weight_logs = relationship("WeightLog", back_populates="user", cascade="all, delete-orphan")

class WeightLog(Base):
    __tablename__="weight_logs"
    id=Column(Integer,primary_key=True,index=True)
    user_id=Column(Integer,ForeignKey("users.id"),nullable=False)
    weight_kg = Column(Float, nullable=False)
    date = Column(Date, nullable=False)
    created_at = Column(DateTime, default=datetime.utcnow)
    user=relationship("User",back_populates="weight_logs")

class History(Base):
    __tablename__="history"
    id=Column(Integer,primary_key=True,index=True)
    label=Column(String,nullable=False)
    grams=Column(Integer,nullable=False)
    calories=Column(Float,nullable=False)
    protein_g=Column(Float,nullable=False,default=0.0)
    carbs_g=Column(Float,nullable=False,default=0.0)
    fat_g=Column(Float,nullable=False,default=0.0)

    meal_type = Column(String, nullable=True)
    meal_time = Column(String, nullable=True)
    log_date = Column(DateTime, nullable=True)
    created_at=Column(DateTime,default=datetime.utcnow)
    user_id=Column(Integer,ForeignKey("users.id"))
    user=relationship("User",back_populates="history")

class PasswordReset(Base):
    __tablename__="password_resets"
    id=Column(Integer,primary_key=True,index=True)
    user_id=Column(Integer,ForeignKey("users.id"),nullable=False)
    reset_code=Column(String,nullable=False)
    expires_at=Column(DateTime,nullable=False)
    is_used=Column(Integer,default=0)
    created_at=Column(DateTime,default=datetime.utcnow)
    user=relationship("User",back_populates="reset_codes")