export const showChart = (state) => Boolean(!state.loading && state.chartData);

export const parsedData = (state) => {
  const byAuthorEmail = {};
  const total = {};

  state.chartData.forEach(({ date, author_name: name, author_email: email }) => {
    total[date] = total[date] ? total[date] + 1 : 1;

    const normalizedEmail = email.toLowerCase();
    const authorData = byAuthorEmail[normalizedEmail];

    if (!authorData) {
      byAuthorEmail[normalizedEmail] = {
        name,
        commits: 1,
        dates: {
          [date]: 1,
        },
      };
    } else {
      authorData.commits += 1;
      authorData.dates[date] = authorData.dates[date] ? authorData.dates[date] + 1 : 1;
    }
  });

  return {
    total,
    byAuthorEmail,
  };
};