import flash from '~/flash';
import service from '../../services';
import * as types from '../mutation_types';

export const getProjectData = (
  { commit, state, dispatch },
  { namespace, projectId, force = false } = {},
) => new Promise((resolve, reject) => {
  if (!state.projects[`${namespace}/${projectId}`] || force) {
    commit(types.TOGGLE_LOADING, { entry: state });
    service.getProjectData(namespace, projectId)
    .then(res => res.data)
    .then((data) => {
      commit(types.TOGGLE_LOADING, { entry: state });
      commit(types.SET_PROJECT, { projectPath: `${namespace}/${projectId}`, project: data });
      if (!state.currentProjectId) commit(types.SET_CURRENT_PROJECT, `${namespace}/${projectId}`);
      resolve(data);
    })
    .catch(() => {
      flash('Error loading project data. Please try again.', 'alert', document, null, false, true);
      reject(new Error(`Project not loaded ${namespace}/${projectId}`));
    });
  } else {
    resolve(state.projects[`${namespace}/${projectId}`]);
  }
});

export const getBranchData = (
  { commit, state, dispatch },
  { projectId, branchId, force = false } = {},
) => new Promise((resolve, reject) => {
  if ((typeof state.projects[`${projectId}`] === 'undefined' ||
        !state.projects[`${projectId}`].branches[branchId])
        || force) {
    service.getBranchData(`${projectId}`, branchId)
      .then(({ data }) => {
        const { id } = data.commit;
        commit(types.SET_BRANCH, { projectPath: `${projectId}`, branchName: branchId, branch: data });
        commit(types.SET_BRANCH_WORKING_REFERENCE, { projectId, branchId, reference: id });
        resolve(data);
      })
      .catch(() => {
        flash('Error loading branch data. Please try again.', 'alert', document, null, false, true);
        reject(new Error(`Branch not loaded - ${projectId}/${branchId}`));
      });
  } else {
    resolve(state.projects[`${projectId}`].branches[branchId]);
  }
});