name: Snapshot

on:
  issue_comment:
    types:
      - created

concurrency: ${{ github.workflow }}-${{ github.ref }}

jobs:
  snapshot:
    name: Snapshot Release
    if: |
      github.event.issue.pull_request &&
      (startsWith(github.event.comment.body, '/snapit') || startsWith(github.event.comment.body, '/snapshot-release'))
    runs-on: ubuntu-latest
    steps:
      - name: Enforce permission requirement
        uses: prince-chrismc/check-actor-permissions-action@72c9eb81384517cbc49d765edc200af3131897ce # v1.0.0
        with:
          permission: write

      - name: Add initial reaction
        uses: peter-evans/create-or-update-comment@67dcc547d311b736a8e6c5c236542148a47adc3d # v2.1.1
        with:
          comment-id: ${{ github.event.comment.id }}
          reactions: eyes

      - name: Get PR branch
        uses: xt0rted/pull-request-comment-branch@653a7d5ca8bd91d3c5cb83286063314d0b063b8e # v1.4.0
        id: comment-branch

      - name: Set latest commit status as pending
        uses: myrotvorets/set-commit-status-action@7b093ccbb10e14939b7a4ae2630fe4cbc67c0651 # v2.0.1
        with:
          sha: ${{ steps.comment-branch.outputs.head_sha }}
          token: ${{ secrets.GITHUB_TOKEN }}
          status: pending

      - name: Validate pull request
        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
        id: pr_data
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          script: |
            try {
              const pullRequest = await github.rest.pulls.get({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.issue.number,
              })

              // Pull request from fork
              if (context.payload.repository.full_name !== pullRequest.data.head.repo.full_name) {
                const errorMessage = '`/snapit` is not supported on pull requests from forked repositories.'

                await github.rest.issues.createComment({
                  issue_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  body: errorMessage,
                })

                core.setFailed(errorMessage)
              }
            } catch (err) {
              core.setFailed(`Request failed with error ${err}`)
            }

      - name: Checkout default branch
        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0

      - name: Checkout pull request branch
        run: hub pr checkout ${{ github.event.issue.number }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Reset changeset entries on changeset-release/main branch
        run: |
          if [[ $(git branch --show-current) == 'changeset-release/main' ]]; then
            git checkout origin/main -- .changeset
          fi

      - name: Setup Node.js
        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
        with:
          node-version: '18.17.1'

      - name: Install dependencies
        run: yarn --frozen-lockfile

      - name: Create an .npmrc
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          cat << EOF > "$HOME/.npmrc"
            //registry.npmjs.org/:_authToken=$NPM_TOKEN
          EOF

      - name: Create and publish snapshot release
        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
        id: snapshot-release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          script: |
            const execa = require('execa')

            await execa.command('yarn changeset version --snapshot snapshot-release', { stdio: 'inherit' })

            const releaseProcess = execa.command('yarn release --no-git-tags --snapshot --tag snapshot-release')
            releaseProcess.stdout.pipe(process.stdout)

            const {stdout} = await releaseProcess

            const newTags = Array
              .from(stdout.matchAll(/New tag:\s+([^\s\n]+)/g))
              .map(([_, tag]) => tag)

            if (newTags.length) {
              const multiple = newTags.length > 1

              const body = (
                `🫰✨ **Thanks @${context.actor}! ` +
                `Your snapshot${multiple ? 's have' : ' has'} been published to npm.**\n\n` +
                `Test the snapshot${multiple ? 's' : ''} by updating your \`package.json\` ` +
                `with the newly published version${multiple ? 's' : ''}:\n` +
                newTags.map(tag => (
                  '```sh\n' +
                  `yarn add ${tag}\n` +
                  '```'
                )).join('\n')
              )
              await github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body,
              })
              core.setOutput('succeeded', 'true')
            } else {
              await github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: `💥 **Snapshot release unsuccessful!** No tags have been found.\n\n` +
                      'Try running the command below and committing your changes.\n\n' +
                      '```sh\n' +
                      'yarn changeset\n' +
                      '```',
              })
              core.setOutput('succeeded', 'false')
            }

      - name: Add success reaction
        uses: peter-evans/create-or-update-comment@67dcc547d311b736a8e6c5c236542148a47adc3d # v2.1.1
        if: ${{ steps.snapshot-release.outputs.succeeded == 'true' }}
        with:
          comment-id: ${{ github.event.comment.id }}
          reactions: rocket

      - name: Add failure reaction
        uses: peter-evans/create-or-update-comment@67dcc547d311b736a8e6c5c236542148a47adc3d # v2.1.1
        if: ${{ steps.snapshot-release.outputs.succeeded == 'false' }}
        with:
          comment-id: ${{ github.event.comment.id }}
          reactions: confused

      - name: Fail workflow if snapshot failed
        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
        if: ${{ steps.snapshot-release.outputs.succeeded == 'false' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          script: |
            core.setFailed('No snapshot tags have been found')

      - name: Set latest commit status as ${{ job.status }}
        uses: myrotvorets/set-commit-status-action@7b093ccbb10e14939b7a4ae2630fe4cbc67c0651 # v2.0.1
        if: always()
        with:
          sha: ${{ steps.comment-branch.outputs.head_sha }}
          token: ${{ secrets.GITHUB_TOKEN }}
          status: ${{ job.status }}