name: Pull Request
on:
  pull_request_target:
    types: [ opened, edited, labeled, unlabeled, synchronize ]
  workflow_call:
    inputs:
      labels:
        type: string
        default: "T-Defect,T-Deprecation,T-Enhancement,T-Task"
        required: false
        description: "No longer used, uses allchange logic now, will be removed at a later date"
    secrets:
      ELEMENT_BOT_TOKEN:
        required: true
concurrency: ${{ github.workflow }}-${{ github.event.pull_request.head.ref }}
jobs:
  changelog:
    name: Preview Changelog
    runs-on: ubuntu-latest
    steps:
      - uses: matrix-org/allchange@main
        with:
          ghToken: ${{ secrets.GITHUB_TOKEN }}
          requireLabel: true

  prevent-blocked:
    name: Prevent Blocked
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    steps:
      - name: Add notice
        uses: actions/github-script@v6
        if: contains(github.event.pull_request.labels.*.name, 'X-Blocked')
        with:
          script: |
            core.setFailed("Preventing merge whilst PR is marked blocked!");

  community-prs:
    name: Label Community PRs
    runs-on: ubuntu-latest
    if: github.event.action == 'opened'
    steps:
      - name: Check membership
        uses: tspascoal/get-user-teams-membership@v1
        id: teams
        with:
          username: ${{ github.event.pull_request.user.login }}
          organization: matrix-org
          team: Core Team
          GITHUB_TOKEN: ${{ secrets.ELEMENT_BOT_TOKEN }}

      - name: Add label
        if: ${{ steps.teams.outputs.isTeamMember == 'false' }}
        uses: actions/github-script@v6
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['Z-Community-PR']
            });

  close-if-fork-develop:
    name: Forbid develop branch fork contributions
    runs-on: ubuntu-latest
    if: >
      github.event.action == 'opened' &&
      github.event.pull_request.head.ref == 'develop' &&
      github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - name: Close pull request
        uses: actions/github-script@v6
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "Thanks for opening this pull request, unfortunately we do not accept contributions from the main" +
                " branch of your fork, please re-open once you switch to an alternative branch for everyone's sanity." +
                " See https://github.com/matrix-org/matrix-js-sdk/blob/develop/CONTRIBUTING.md",
            });

            github.rest.pulls.update({
              pull_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed'
            });