import base64
from odoo import http
from odoo.http import request

class IntroLoaderController(http.Controller):

    @http.route('/intro_loader/image', type='http', auth="none")
    def intro_loader_image(self, **kwargs):
        # Fetch image from config
        img_b64 = request.env['ir.config_parameter'].sudo().get_param('intro_loader.image_data')
        
        if not img_b64:
            # Return a 1x1 transparent pixel or default Odoo logo if none set
            return request.redirect('/web/static/img/logo2.png')
            
        image_data = base64.b64decode(img_b64)
        headers = [('Content-Type', 'image/png')]
        return request.make_response(image_data, headers)