import uuid
from datetime import datetime
from sqlalchemy import Column, String, Integer, DateTime, Text, ForeignKey
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from app.database import Base

class Achievement(Base):
    __tablename__ = "achievements"
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    name = Column(String(100), nullable=False)
    description = Column(Text)
    icon = Column(String(10))
    category = Column(String(50))
    requirement_type = Column(String(50))
    requirement_value = Column(Integer)
    points = Column(Integer, default=10)

class UserAchievement(Base):
    __tablename__ = "user_achievements"
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
    achievement_id = Column(UUID(as_uuid=True), ForeignKey("achievements.id"), nullable=False)
    unlocked_at = Column(DateTime, default=datetime.utcnow)
    
    user = relationship("User", back_populates="achievements")
    achievement = relationship("Achievement")