name: Update Playwright docker images
on:
    workflow_dispatch: {}
    schedule:
        - cron: "0 6 * * *" # Every day at 6am UTC
jobs:
    update:
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4

            - name: Update matrixdotorg/synapse image
              run: |
                  docker pull "$IMAGE"
                  INSPECT=$(docker inspect --format='{{index .RepoDigests 0}}' "$IMAGE")
                  DIGEST=${INSPECT#*@}
                  sed -i "s/const DOCKER_TAG.*/const DOCKER_TAG = \"develop@$DIGEST\";/" playwright/plugins/homeserver/synapse/index.ts
              env:
                  IMAGE: matrixdotorg/synapse:develop

            - name: Create Pull Request
              id: cpr
              uses: peter-evans/create-pull-request@4e1beaa7521e8b457b572c090b25bd3db56bf1c5 # v5
              with:
                  token: ${{ secrets.ELEMENT_BOT_TOKEN }}
                  branch: actions/playwright-image-updates
                  delete-branch: true
                  title: Playwright Docker image updates
                  labels: |
                      T-Task

            - name: Enable automerge
              run: gh pr merge --merge --auto "$PR_NUMBER"
              if: steps.cpr.outputs.pull-request-operation == 'created'
              env:
                  GH_TOKEN: ${{ secrets.ELEMENT_BOT_TOKEN }}
                  PR_NUMBER: ${{ steps.cpr.outputs.pull-request-number }}

            - name: Enable autoapprove
              run: |
                  gh pr review --approve "$PR_NUMBER"
              if: steps.cpr.outputs.pull-request-operation == 'created'
              env:
                  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
                  PR_NUMBER: ${{ steps.cpr.outputs.pull-request-number }}