"""网站配置模型"""
from datetime import datetime
from app import db


class SiteConfig(db.Model):
    """网站配置表"""
    __tablename__ = 'site_configs'
    
    id = db.Column(db.Integer, primary_key=True)
    
    # 基本信息
    site_name = db.Column(db.String(100), default='技术博客')
    site_subtitle = db.Column(db.String(200), default='分享技术，记录成长')
    site_logo = db.Column(db.String(500))  # Logo图片URL
    
    # SEO设置
    site_keywords = db.Column(db.String(500))
    site_description = db.Column(db.Text)
    
    # 底部信息
    footer_text = db.Column(db.String(200), default='© 2024 技术博客')
    footer_copyright = db.Column(db.String(200))
    footer_technology = db.Column(db.String(200), default='Powered by Flask')
    
    # 底部宣传图片
    promo_image_1 = db.Column(db.String(500))  # 宣传图片1 URL
    promo_image_1_title = db.Column(db.String(100))  # 图片1标题/说明
    promo_image_1_link = db.Column(db.String(500))  # 图片1点击链接
    promo_image_2 = db.Column(db.String(500))  # 宣传图片2 URL
    promo_image_2_title = db.Column(db.String(100))  # 图片2标题/说明
    promo_image_2_link = db.Column(db.String(500))  # 图片2点击链接
    promo_image_3 = db.Column(db.String(500))  # 宣传图片3 URL（如二维码）
    promo_image_3_title = db.Column(db.String(100))  # 图片3标题/说明
    
    # 联系方式
    contact_email = db.Column(db.String(100))
    contact_github = db.Column(db.String(100))
    
    # 其他设置
    articles_per_page = db.Column(db.Integer, default=10)
    enable_comments = db.Column(db.Boolean, default=False)
    
    # 时间戳
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    
    def __repr__(self):
        return f'<SiteConfig {self.site_name}>'
    
    @staticmethod
    def get_config():
        """获取网站配置（单例）"""
        config = SiteConfig.query.first()
        if not config:
            config = SiteConfig()
            db.session.add(config)
            db.session.commit()
        return config