import json
from odoo import http
from odoo.http import request


class SurveyDashboardController(http.Controller):

    @http.route('/survey/dashboard/<int:survey_id>', type='http', auth='user', website=True)
    def dashboard_view(self, survey_id, **kw):
        survey = request.env['survey.survey'].sudo().browse(survey_id).exists()
        if not survey:
            return request.not_found()

        # Get data from model
        data = survey.get_dashboard_data()

        # ✅ CRITICAL: Serialize to JSON string with UTF-8 support for Khmer text
        data['questions_json'] = json.dumps(
            data.get('questions', []),
            default=str,
            ensure_ascii=False
        )

        return request.render('dashboard_survey.dashboard_template', data)