"""
Blog Post Model.

Stores blog articles for the pounce platform.
"""
from datetime import datetime
from sqlalchemy import Column, Integer, String, Text, DateTime, Boolean, ForeignKey
from sqlalchemy.orm import relationship

from app.database import Base


class BlogPost(Base):
    """Model for blog posts."""
    __tablename__ = "blog_posts"
    
    id = Column(Integer, primary_key=True, index=True)
    
    # Content
    title = Column(String(255), nullable=False)
    slug = Column(String(255), unique=True, nullable=False, index=True)
    excerpt = Column(Text, nullable=True)  # Short summary for listings
    content = Column(Text, nullable=False)  # Full markdown/HTML content
    
    # Meta
    cover_image = Column(String(500), nullable=True)  # URL to cover image
    category = Column(String(100), nullable=True)  # e.g., "Domain Tips", "Industry News"
    tags = Column(String(500), nullable=True)  # Comma-separated tags
    
    # SEO
    meta_title = Column(String(255), nullable=True)
    meta_description = Column(String(500), nullable=True)
    
    # Status
    is_published = Column(Boolean, default=False)
    published_at = Column(DateTime, nullable=True)
    
    # Author
    author_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    author = relationship("User", backref="blog_posts")
    
    # Timestamps
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    
    # Stats
    view_count = Column(Integer, default=0)
    
    def to_dict(self, include_content: bool = True) -> dict:
        """Convert to dictionary."""
        data = {
            "id": self.id,
            "title": self.title,
            "slug": self.slug,
            "excerpt": self.excerpt,
            "cover_image": self.cover_image,
            "category": self.category,
            "tags": self.tags.split(",") if self.tags else [],
            "is_published": self.is_published,
            "published_at": self.published_at.isoformat() if self.published_at else None,
            "created_at": self.created_at.isoformat(),
            "updated_at": self.updated_at.isoformat(),
            "view_count": self.view_count,
            "author": {
                "id": self.author_id,
                "name": self.author.name if self.author else None,
            }
        }
        if include_content:
            data["content"] = self.content
            data["meta_title"] = self.meta_title
            data["meta_description"] = self.meta_description
        return data