from sqlalchemy import Column, String, Integer, Float, Boolean, ForeignKey
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from backend.app.models.base import BaseDBModel

class User(BaseDBModel):
    __tablename__ = "users"
    
    name = Column(String, nullable=False)
    phone = Column(String, unique=True, index=True, nullable=False)
    role = Column(String, index=True, nullable=False) # admin, customer, worker, mediator
    password_hash = Column(String, nullable=True) # can be null for demo OTP bypass
    city = Column(String, nullable=False, default="Jaipur")
    is_active = Column(Boolean, nullable=False, default=True)
    
    # Relationships
    worker_profile = relationship("WorkerProfile", back_populates="user", uselist=False, cascade="all, delete-orphan")
    customer_profile = relationship("CustomerProfile", back_populates="user", uselist=False, cascade="all, delete-orphan")
    notifications = relationship("Notification", back_populates="user", cascade="all, delete-orphan")
    wallet_transactions = relationship("WalletTransaction", back_populates="user", cascade="all, delete-orphan")
    roster_workers = relationship("RosterWorker", back_populates="mediator", cascade="all, delete-orphan")

class WorkerProfile(BaseDBModel):
    __tablename__ = "worker_profiles"
    
    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), unique=True, index=True, nullable=False)
    skill = Column(String, index=True, nullable=False) # Mason, Electrician, Painter, etc.
    rate = Column(Integer, nullable=False) # Daily wage in INR
    rating = Column(Float, nullable=False, default=4.5)
    distance = Column(Float, nullable=False, default=1.5) # Simulated distance in km
    online = Column(Boolean, nullable=False, default=True)
    verified = Column(Boolean, nullable=False, default=False) # Aadhaar verified
    completed_jobs = Column(Integer, nullable=False, default=0)
    completion_rate = Column(Integer, nullable=False, default=90) # percentage
    map_x = Column(Integer, nullable=False, default=50) # Coordinate x on simulated map
    map_y = Column(Integer, nullable=False, default=50) # Coordinate y on simulated map
    
    # Relationships
    user = relationship("User", back_populates="worker_profile")

class CustomerProfile(BaseDBModel):
    __tablename__ = "customer_profiles"
    
    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), unique=True, index=True, nullable=False)
    wallet_balance = Column(Integer, nullable=False, default=8200)
    
    # Relationships
    user = relationship("User", back_populates="customer_profile")