import { put, call, retry } from 'redux-saga/effects';
import { FETCH_ISSUES_SUCCESS, FETCH_ISSUES_FAILURE, ADD_LABEL_FAILURE, ADD_LABEL_SUCCESS, REMOVE_LABEL_FAILURE, REMOVE_LABEL_SUCCESS } from '../actions/issues';
import { gitea } from '../../util/gitea';

export function* fetchIssuesSaga(action) {
  const { project } = action;

  let issues;
  try {
    issues = yield call(gitea.fetchIssues.bind(gitea), action.project);
  } catch(error) {
    yield put({ type: FETCH_ISSUES_FAILURE, project, error });
    return;
  }

  yield put({ type: FETCH_ISSUES_SUCCESS, project, issues });
}

export function* addLabelSaga(action) {
  const { project, issueNumber, label } = action;
  const labels = yield call(gitea.fetchProjectLabels.bind(gitea), project);
  const giteaLabel = labels.find(l => l.name === label)

  if (!giteaLabel) {
    yield put({ type: ADD_LABEL_FAILURE, error: new Error(`Label "${label}" not found !`) });
    return;
  }

  try {
    yield retry(5, 250, gitea.addIssueLabel.bind(gitea), project, issueNumber, giteaLabel.id);
  } catch(error) {
    yield put({ type: ADD_LABEL_FAILURE, error });
    return;
  }

  yield put({ type: ADD_LABEL_SUCCESS, project, issueNumber, label });
}

export function* removeLabelSaga(action) {
  const { project, issueNumber, label } = action;
  const labels = yield call(gitea.fetchProjectLabels.bind(gitea), project);
  const giteaLabel = labels.find(l => l.name === label)

  if (!giteaLabel) {
    yield put({ type: REMOVE_LABEL_FAILURE, error: new Error(`Label "${label}" not found !`) });
    return;
  }

  try {
    yield retry(5, 250, gitea.removeIssueLabel.bind(gitea), project, issueNumber, giteaLabel.id);
  } catch(error) {
    yield put({ type: REMOVE_LABEL_FAILURE, error });
    return;
  }
  

  yield put({ type: REMOVE_LABEL_SUCCESS, project, issueNumber, label });

}