"""Portfolio model for tracking owned domains."""
from datetime import datetime
from typing import Optional
from sqlalchemy import String, DateTime, Float, Integer, Text, ForeignKey, Boolean
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class PortfolioDomain(Base):
    """
    Portfolio Domain model for tracking domains that users own.
    
    Allows users to track their domain investments, values, and ROI.
    """
    
    __tablename__ = "portfolio_domains"
    
    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), index=True, nullable=False)
    
    # Domain info
    domain: Mapped[str] = mapped_column(String(255), nullable=False)
    
    # Purchase info
    purchase_date: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    purchase_price: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    purchase_registrar: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
    
    # Current status
    registrar: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
    renewal_date: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    renewal_cost: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    auto_renew: Mapped[bool] = mapped_column(Boolean, default=True)
    
    # Valuation
    estimated_value: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    value_updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    
    # Sale info (if sold)
    is_sold: Mapped[bool] = mapped_column(Boolean, default=False)
    sale_date: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    sale_price: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    
    # Status
    status: Mapped[str] = mapped_column(String(50), default="active")  # active, expired, sold, parked
    
    # DNS Verification (required for Yield and For Sale)
    is_dns_verified: Mapped[bool] = mapped_column(Boolean, default=False)
    verification_status: Mapped[str] = mapped_column(String(50), default="unverified")  # unverified, pending, verified, failed
    verification_code: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
    verification_started_at: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    verified_at: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    
    # Notes
    notes: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    tags: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)  # Comma-separated
    
    # Timestamps
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    
    # Relationships
    user: Mapped["User"] = relationship("User", back_populates="portfolio_domains")
    valuations: Mapped[list["DomainValuation"]] = relationship(
        "DomainValuation", back_populates="portfolio_domain", cascade="all, delete-orphan"
    )
    
    def __repr__(self) -> str:
        return f"<PortfolioDomain {self.domain} (user={self.user_id})>"
    
    @property
    def roi(self) -> Optional[float]:
        """Calculate ROI percentage."""
        if not self.purchase_price or self.purchase_price == 0:
            return None
        
        if self.is_sold and self.sale_price:
            return ((self.sale_price - self.purchase_price) / self.purchase_price) * 100
        elif self.estimated_value:
            return ((self.estimated_value - self.purchase_price) / self.purchase_price) * 100
        return None
    
    @property
    def total_cost(self) -> float:
        """Calculate total cost including renewals."""
        cost = self.purchase_price or 0
        # Add renewal costs if we had them tracked
        return cost


class DomainValuation(Base):
    """
    Domain valuation history.
    
    Stores historical valuations for domains to track value changes over time.
    """
    
    __tablename__ = "domain_valuations"
    
    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    domain: Mapped[str] = mapped_column(String(255), index=True, nullable=False)
    portfolio_domain_id: Mapped[Optional[int]] = mapped_column(
        ForeignKey("portfolio_domains.id"), nullable=True
    )
    
    # Valuation breakdown
    estimated_value: Mapped[float] = mapped_column(Float, nullable=False)
    
    # Factors
    length_score: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)  # 0-100
    tld_score: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)  # 0-100
    keyword_score: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)  # 0-100
    brandability_score: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)  # 0-100
    
    # SEO metrics
    moz_da: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
    moz_pa: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
    backlinks: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
    
    # Source
    source: Mapped[str] = mapped_column(String(50), default="internal")  # internal, estibot, godaddy
    
    # Timestamp
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
    
    # Relationship
    portfolio_domain: Mapped[Optional["PortfolioDomain"]] = relationship(
        "PortfolioDomain", back_populates="valuations"
    )
    
    def __repr__(self) -> str:
        return f"<DomainValuation {self.domain}: ${self.estimated_value}>"