from flask import Blueprint, render_template, redirect

main_bp = Blueprint('main', __name__)

@main_bp.route('/')
def index():
    from models import SiteConfig
    config = {}
    configs = SiteConfig.query.all()
    for c in configs:
        config[c.config_key] = c.config_value
    return render_template('index.html', config=config)

@main_bp.route('/favicon.ico')
def favicon():
    """处理 favicon 请求"""
    from models import SiteConfig
    favicon_config = SiteConfig.query.filter_by(config_key='site_favicon').first()
    if favicon_config and favicon_config.config_value:
        return redirect(favicon_config.config_value)
    # 如果没有设置 favicon，尝试使用 logo
    logo_config = SiteConfig.query.filter_by(config_key='site_logo').first()
    if logo_config and logo_config.config_value:
        return redirect(logo_config.config_value)
    # 返回空响应避免 404
    return '', 204