import { effects } from "redux-saga";
import {
  isSendingEmployeeRequest,
  setEmployeeRequestError,
  setEmployeeRequestSuccess,
  clearEmployeeRequestError,
  clearEmployeeRequestSuccess,
  setEmployeeUUID,
  setFormEmployeeEmail,
  setFormEmployeeNote
} from "../actions/employee/reducer.actions";
import { getSelfUserRequest } from "../actions/user/saga.actions";
import {
  addEmployee,
  getEmployee,
  deleteEmployee,
  updateEmployee
} from "../api/employee.api";

function* addEmployeeCall(postBody) {
  yield effects.put(isSendingEmployeeRequest(true));
  const { provider_email, note } = postBody;
  try {
    return yield effects.call(addEmployee, provider_email, note);
  } catch (exception) {
    yield effects.put(setEmployeeRequestError(exception));
    return false;
  } finally {
    yield effects.put(isSendingEmployeeRequest(false));
  }
}

function* readEmployeeCall(uuid) {
  yield effects.put(isSendingEmployeeRequest(true));
  try {
    return yield effects.call(getEmployee, uuid);
  } catch (exception) {
    yield effects.put(setEmployeeRequestError(exception));
    return false;
  } finally {
    yield effects.put(isSendingEmployeeRequest(false));
  }
}

function* updateEmployeeCall(payload) {
  yield effects.put(isSendingEmployeeRequest(true));
  const { uuid, provider_email, note } = payload;
  try {
    return yield effects.call(updateEmployee, uuid, provider_email, note);
  } catch (exception) {
    yield effects.put(setEmployeeRequestError(exception));
    return false;
  } finally {
    yield effects.put(isSendingEmployeeRequest(false));
  }
}

function* deleteEmployeeCall(uuid) {
  yield effects.put(isSendingEmployeeRequest(true));
  try {
    return yield effects.call(deleteEmployee, uuid);
  } catch (exception) {
    yield effects.put(setEmployeeRequestError(exception));
    return false;
  } finally {
    yield effects.put(isSendingEmployeeRequest(false));
  }
}

export function* addEmployeeFlow(request) {
  yield effects.put(clearEmployeeRequestSuccess());
  yield effects.put(clearEmployeeRequestError());
  const wasSuccessful = yield effects.call(addEmployeeCall, request.data);
  if (wasSuccessful) {
    yield effects.put(getSelfUserRequest());
    yield effects.put(setEmployeeRequestSuccess(wasSuccessful));
    yield effects.put(setFormEmployeeEmail(""));
    yield effects.put(setFormEmployeeNote(""));
    yield effects.put(clearEmployeeRequestError());
  }
}

export function* readEmployeeFlow(request) {
  const wasSuccessful = yield effects.call(readEmployeeCall, request.data);
  if (wasSuccessful) {
    yield effects.put(setEmployeeUUID(wasSuccessful.uuid));
    yield effects.put(setFormEmployeeEmail(wasSuccessful.provider_email));
    yield effects.put(setFormEmployeeNote(wasSuccessful.note));
  }
}

export function* updateEmployeeFlow(request) {
  yield effects.put(clearEmployeeRequestSuccess());
  yield effects.put(clearEmployeeRequestError());
  const wasSuccessful = yield effects.call(updateEmployeeCall, request.data);
  if (wasSuccessful) {
    yield effects.put(getSelfUserRequest());
    yield effects.put(setEmployeeRequestSuccess(wasSuccessful));
  }
}

export function* deleteEmployeeFlow(request) {
  yield effects.call(deleteEmployeeCall, request.data);
  yield effects.put(getSelfUserRequest());
}