import { CommitDiff } from "../interfaces/CommitDiff";
import { generateHumanReadableCommitDiffDocument } from "../parsers/extractDiffContent";
import { getCommitHashesFromGitLog } from "./getCommitHashesFromGitLog";
import { getDiffObjectForCommit } from "./getDiffObjectForCommit";



/**
 * Retrieves the human-readable text of new commits on the current branch.
 * @returns A string containing the human-readable diff documents of the new commits.
 */
async function getHumanReadableTextOfNewCommitsOnCurrentBranch() {
  const commitHashes = await getCommitHashesFromGitLog();

  // Get an object that wraps the `git log --oneline` output for each commit
  const commitDiffs: CommitDiff[] = [];
  for (const commitHash of commitHashes) {
    const diff = await getDiffObjectForCommit(commitHash);
    commitDiffs.push(diff);
  }

  const humanReadableDiffDocuments: string[] = []
  for (const diff of commitDiffs) {
    const diffContent = generateHumanReadableCommitDiffDocument(diff)
    humanReadableDiffDocuments.push(diffContent)
  }

  return humanReadableDiffDocuments.join('\n')
}

export { getHumanReadableTextOfNewCommitsOnCurrentBranch }