name: AutoGenerateREADME.md

on:
  push:
    branches:
      - main

jobs:
  create-readme:
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'AutoGenerateREADME.md')"

    steps:
      - name: Checkout code from Gitea
        env:
          GITEA_TOKEN: ${{ secrets.AUTOGENERATE }}
          GITEA_REPO_URL: ${{ github.server_url }}/${{ github.repository }}
          CLEAN_REPO_URL: ${{ github.server_url }}/${{ github.repository }}
        run: |
          CLEAN_REPO_URL="${CLEAN_REPO_URL#https://}"
          git clone "https://${GITEA_TOKEN}@${CLEAN_REPO_URL}" .

      - name: Touch New README.md
        run: |
          if [ -f README.md ]; then
            rm README.md
          fi

      - name: Get commit history and write to README
        run: |
          echo "# ActionDemo测试文档标题" > README.md

          # 获取所有提交记录，包含提交哈希、作者、日期和提交信息
          commits=$(git log --pretty=format:"%ct %h %an %ad %s" --date=short)

          # 获取所有版本标签及其关联的提交哈希和日期
          tags=$(git for-each-ref --sort=creatordate --format='%(creatordate:unix) %(objectname) %(refname:strip=2)' refs/tags)

          # 合并提交记录和版本标签信息，并按时间排序
          all_entries="$commits
          $tags"
              sorted_entries=$(echo "$all_entries" | sort -n)

              # 遍历排序后的记录并写入 README
              for entry in $sorted_entries; do
                timestamp=$(echo $entry | cut -d ' ' -f 1)
                hash_or_tag=$(echo $entry | cut -d ' ' -f 2)
                rest=$(echo $entry | cut -d ' ' -f 3-)

                # 检查是否为版本标签
                if [[ $hash_or_tag == refs/tags/* ]]; then
                  tag_name=${hash_or_tag#refs/tags/}
                  echo "## Version $tag_name" >> README.md
                else
                  commit_hash=$hash_or_tag
                  author=$(echo $rest | cut -d ' ' -f 1)
                  date=$(echo $rest | cut -d ' ' -f 2)
                  message=$(echo $rest | cut -d ' ' -f 3-)
                  echo "- $commit_hash $author $date $message" >> README.md
                fi
              done

      - name: Commit and push changes
        env:
          GITEA_TOKEN: ${{ secrets.AUTOGENERATE }}
          GITEA_REPO_URL: ${{ github.server_url }}/${{ github.repository }}
          CLEAN_REPO_URL: ${{ github.server_url }}/${{ github.repository }}
        run: |
          CLEAN_REPO_URL="${CLEAN_REPO_URL#https://}"
          git config --local user.email "liyepan@linuxacme.com"
          git config --local user.name "iorebuild"
          git add README.md
          if git diff --staged --quiet; then
            echo "No changes to commit."
          else
            git commit -m "Create README with commit history"
            git push "https://${GITEA_TOKEN}@${CLEAN_REPO_URL}"
          fi