import json
import logging

from odoo import http
from odoo.http import request

from .base import EncoachMixin

_logger = logging.getLogger(__name__)


class SessionsController(EncoachMixin, http.Controller):

    # -------------------------------------------------------------- save
    @http.route('/api/sessions', type='http', auth='public', methods=['POST', 'OPTIONS'], csrf=False, cors='*')
    def save_session(self, **kwargs):
        try:
            user = self._authenticate()
            if not user:
                return self._error_response('Unauthorized', 401)

            body = self._get_json_body()

            session_id = body.get('_id') or body.get('id')
            Session = request.env['encoach.session'].sudo()

            vals = {}
            if body.get('examId'):
                vals['exam_id'] = int(body['examId'])
            if body.get('module'):
                vals['module'] = body['module']
            if body.get('answers') is not None:
                vals['answers'] = json.dumps(body['answers']) if isinstance(body['answers'], dict) else body['answers']
            if body.get('startedAt'):
                vals['started_at'] = body['startedAt']
            if body.get('completedAt'):
                vals['completed_at'] = body['completedAt']
            if body.get('assignmentId'):
                vals['assignment_id'] = int(body['assignmentId'])

            if session_id:
                record = Session.browse(int(session_id))
                if record.exists():
                    record.write(vals)
                    return self._json_response(self._serialize_session(record))

            vals['user_id'] = user.id
            record = Session.create(vals)
            return self._json_response(self._serialize_session(record), status=201)
        except Exception:
            _logger.exception("Save session error")
            return self._error_response('Internal server error', 500)

    # ------------------------------------------------------------- delete
    @http.route(
        '/api/sessions/<int:sid>', type='http', auth='public',
        methods=['DELETE', 'OPTIONS'], csrf=False, cors='*',
    )
    def delete_session(self, sid, **kwargs):
        try:
            user = self._authenticate()
            if not user:
                return self._error_response('Unauthorized', 401)

            session = request.env['encoach.session'].sudo().browse(sid)
            if not session.exists():
                return self._error_response('Session not found', 404)

            session.unlink()
            return self._json_response({'ok': True})
        except Exception:
            _logger.exception("Delete session error")
            return self._error_response('Internal server error', 500)