name: Bump jslib

on:
  workflow_dispatch:

jobs:
  bump-jslib:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f

      - name: Setup git config
        run: |
          git config user.name = "GitHub Action Bot"
          git config user.email = "<>"

      - name: Bump jslib and commit
        id: bump
        run: |
          CHECKED_OUT_BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/})

          if [ "$CHECKED_OUT_BRANCH_NAME" = "master" ]; then
            TARGET_BRANCH_NAME="auto-bump-jslib"
            git fetch origin
            EXISTING_PR=$(git ls-remote --heads origin $TARGET_BRANCH_NAME | wc -l)
            if [ "$EXISTING_PR" -gt 0 ]; then
              git checkout $TARGET_BRANCH_NAME
              echo "[*] Checked out existing PR branch $TARGET_BRANCH_NAME"
            else
              git checkout -b $TARGET_BRANCH_NAME
              echo "[*] Checked out new branch $TARGET_BRANCH_NAME"
            fi
          else
            TARGET_BRANCH_NAME="$CHECKED_OUT_BRANCH_NAME"
            EXISTING_PR=0
            echo "[*] Running on existing feature branch $TARGET_BRANCH_NAME"
          fi

          npm run sub:init
          OLD_JSLIB_HASH=$(git submodule status | awk '{print $1}')

          npm run sub:update

          if [ $(git diff jslib | wc -l) -eq 0 ]; then
            echo "Unable to bump jslib: branch $TARGET_BRANCH_NAME is already using the latest jslib commit."
            if [ "$EXISTING_PR" -gt 0 ]; then
              echo "Try merging the $TARGET_BRANCH_NAME branch into master first."
            fi
            exit 1
          fi

          git add jslib
          git commit -m "Bump jslib"

          if [ "$EXISTING_PR" -eq 0 ]; then
            git push -u origin $TARGET_BRANCH_NAME
          else
            git push origin $TARGET_BRANCH_NAME
          fi
          echo "[*] Pushed to $TARGET_BRANCH_NAME"
          
          echo "::set-output name=old-jslib-hash::${OLD_JSLIB_HASH}"
          echo "::set-output name=existing-pr::${EXISTING_PR}"

      - name: Submit or update PR against master branch
        if: github.ref == 'refs/heads/master'
        run: |
          NEW_JSLIB_HASH=$(git submodule status | awk '{print $1}')
          cd jslib
          GIT_LOG="$(git log $OLD_JSLIB_HASH..$NEW_JSLIB_HASH --oneline | sed 's/^[a-zA-Z0-9]*/* `&`/g' | sed 's/#[0-9]*[)]/bitwarden\/jslib&/g')"
          cd ..

          BODY_TEXT="@${{github.actor}} would like to bump jslib in this repo. This will pull in the following new commits:
          $GIT_LOG"

          if [ "$EXISTING_PR" -eq 0 ]; then
            gh pr create --title "[Bot] Bump jslib" \
              --body "$BODY_TEXT" \
              --reviewer bitwarden/dept-engineering
            echo "[*] Submitted PR against master branch"
          else
            gh pr comment --body "$BODY_TEXT"
            echo "[*] Updated existing PR"
          fi
        env:
          OLD_JSLIB_HASH: ${{ steps.bump.outputs.old-jslib-hash }}
          EXISTING_PR: ${{ steps.bump.outputs.existing-pr }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}