const getEntityTypeId = (payload) => {
   const body = {};
   if (payload !== null) {
      body['type'] = payload.type;
      body['id'] = payload.id;
   };
   console.log('body', body);
   return body;
}

/*
* Endpoint v.2 chill_api_single_accompanying_course__entity
* method GET/HEAD, get AccompanyingCourse Instance
*
*  @id   integer - id of accompanyingCourse
*/
const getAccompanyingCourse = (id) => { 
   const url = `/api/1.0/person/accompanying-course/${id}.json`;
   return fetch(url)
      .then(response => {
         if (response.ok) { return response.json(); }
         throw Error('Error with request resource response'); 
      });
};

/*
* Endpoint v.2 chill_api_single_accompanying_course__entity
* method PATCH, patch AccompanyingCourse Instance
*
*  @id     integer - id of accompanyingCourse
*  @body   Object - dictionary with changes to post
*/
const patchAccompanyingCourse = (id, body) => { 
   console.log('body', body);
   const url = `/api/1.0/person/accompanying-course/${id}.json`;
   return fetch(url, {
         method: 'PATCH',
         headers: {
           'Content-Type': 'application/json;charset=utf-8'
         },
         body: JSON.stringify(body)
      })
      .then(response => {
         if (response.ok) { return response.json(); }
         throw Error('Error with request resource response'); 
      });
};

/*
* Endpoint v.2 chill_api_single_accompanying_course_participation, 
* method POST/DELETE, add/close a participation to the accompanyingCourse
*
*  @id               integer - id of accompanyingCourse
*  @payload          integer - id of person
*  @method           string - POST or DELETE
*/
const postParticipation = (id, payload, method) => {
   const body = getEntityTypeId(payload);
   const url = `/api/1.0/person/accompanying-course/${id}/participation.json`;
   return fetch(url, {
         method: method,
         headers: {
           'Content-Type': 'application/json;charset=utf-8'
         },
         body: JSON.stringify(body)
      })
      .then(response => {
         if (response.ok) { return response.json(); }
         throw Error('Error with request resource response'); 
      });
};

/*
* Endpoint v.2 chill_api_single_accompanying_course_requestor, 
* method POST/DELETE, add/close a requestor to the accompanyingCourse
*
*  @id               integer - id of accompanyingCourse
*  @payload          object of type person|thirdparty
*  @method           string - POST or DELETE
*/
const postRequestor = (id, payload, method) => {
   const body = getEntityTypeId(payload);
   const url = `/api/1.0/person/accompanying-course/${id}/requestor.json`;
   return fetch(url, {
         method: method,
         headers: {
           'Content-Type': 'application/json;charset=utf-8'
         },
         body: JSON.stringify(body)
      })
      .then(response => {
         if (response.ok) { return response.json(); }
         throw Error('Error with request resource response'); 
      });
};

/*
* Endpoint v.2 chill_api_single_accompanying_course_resource, 
* method POST/DELETE, add/remove a resource to the accompanyingCourse
*
*  @id               integer - id of accompanyingCourse
*  @payload          object of type person|thirdparty
*  @method           string - POST or DELETE
*/
const postResource = (id, payload, method) => {
   console.log('payload', payload);
   const body = { type: "accompanying_period_resource" };
   if (method === 'DELETE') {
      body['id'] = payload.id; 
   } else {
      body['resource'] = getEntityTypeId(payload);
   }   
   console.log('body', body);
   const url = `/api/1.0/person/accompanying-course/${id}/resource.json`;
   return fetch(url, {
         method: method,
         headers: {
           'Content-Type': 'application/json;charset=utf-8'
         },
         body: JSON.stringify(body)
      })
      .then(response => {
         if (response.ok) { return response.json(); }
         throw Error('Error with request resource response'); 
      });
};

export { 
   getAccompanyingCourse,
   patchAccompanyingCourse,
   postParticipation,
   postRequestor,
   postResource
};