"""网站配置服务"""
from app import db
from app.models import SiteConfig


class SiteConfigService:
    """网站配置业务逻辑"""
    
    @staticmethod
    def get_config():
        """获取网站配置"""
        return SiteConfig.get_config()
    
    @staticmethod
    def update(**kwargs):
        """更新网站配置"""
        config = SiteConfig.get_config()
        
        for key, value in kwargs.items():
            if hasattr(config, key):
                setattr(config, key, value)
        
        db.session.commit()
        return config
    
    @staticmethod
    def get_dict():
        """获取配置字典（用于模板全局变量）"""
        config = SiteConfig.get_config()
        return {
            'site_name': config.site_name,
            'site_subtitle': config.site_subtitle,
            'site_logo': config.site_logo,
            'site_keywords': config.site_keywords,
            'site_description': config.site_description,
            'footer_text': config.footer_text,
            'footer_copyright': config.footer_copyright,
            'footer_technology': config.footer_technology,
            'promo_image_1': config.promo_image_1,
            'promo_image_1_title': config.promo_image_1_title,
            'promo_image_1_link': config.promo_image_1_link,
            'promo_image_2': config.promo_image_2,
            'promo_image_2_title': config.promo_image_2_title,
            'promo_image_2_link': config.promo_image_2_link,
            'promo_image_3': config.promo_image_3,
            'promo_image_3_title': config.promo_image_3_title,
            'contact_email': config.contact_email,
            'contact_github': config.contact_github,
            'articles_per_page': config.articles_per_page,
        }