name: Pull Request
on:
    pull_request_target:
        types: [opened, edited, labeled, unlabeled, synchronize]
    merge_group:
        types: [checks_requested]
    workflow_call:
        secrets:
            ELEMENT_BOT_TOKEN:
                required: true
concurrency: ${{ github.workflow }}-${{ github.event.pull_request.head.ref || github.head_ref || github.ref }}
jobs:
    changelog:
        name: Preview Changelog
        runs-on: ubuntu-latest
        steps:
            - uses: matrix-org/allchange@main
              if: github.event_name != 'merge_group'
              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@v7
              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@ba78054988f58bea69b7c6136d563236f8ed2fc0 # v3
              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@v7
              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@v7
              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'
                      });