import { CreateSolutionInput } from './types';

export const getBranches = async (): Promise<string[]> => {
  const branches: string[] = [];
  let page = 1;
  let morePages = true;

  while (morePages) {
    const result = await fetch(
      `https://api.github.com/repos/Axinom/mosaic-media-template/branches?per_page=100&page=${page}`,
    );

    if (result.status !== 200) {
      console.warn('Failed to fetch the branches');
    }
    page++;

    const data = await result.json();

    branches.push(...data.map((branch: { name: string }) => branch.name));

    if (data.length < 100) {
      morePages = false;
    }
  }

  const sortedBranches = branches.sort((a, b) => {
    // first branches starting with "releases/", then "main", then "dev", then the rest
    if (a.startsWith('releases/')) {
      return -1;
    }
    if (a === 'main') {
      return -1;
    }
    if (a === 'dev') {
      return -1;
    }
    if (b.startsWith('releases/')) {
      return 1;
    }
    if (b === 'main') {
      return 1;
    }
    if (b === 'dev') {
      return 1;
    }
    return 0;
  });

  return sortedBranches;
};

export const getCommitId = async ({
  gitReference,
  gitReferenceType,
}: Pick<
  CreateSolutionInput,
  'gitReference' | 'gitReferenceType'
>): Promise<string> => {
  let url: string;

  if (gitReferenceType === 'tags') {
    url = `https://api.github.com/repos/Axinom/mosaic-media-template/git/refs/tags/${gitReference}`;
  } else {
    url = `https://api.github.com/repos/Axinom/mosaic-media-template/branches/${gitReference}`;
  }
  const result = await fetch(url);

  if (result.status !== 200) {
    console.log(
      'Failed to fetch the head of the branch',
      url,
      result.statusText,
    );
    return new Date().toISOString();
  }

  const data = await result.json();

  return gitReferenceType === 'tags' ? data.object.sha : data.commit.sha;
};