name: actions-importer-issue-ops

on:
  issue_comment:
    types: [created]

permissions:
  contents: read
  issues: write

defaults:
  run:
    shell: bash

env:
  GITHUB_INSTANCE_URL: ${{ secrets.GH_INSTANCE_URL || 'https://github.com' }}
  GITHUB_ACCESS_TOKEN: ${{ secrets.GH_ACCESS_TOKEN }}
  JENKINS_INSTANCE_URL: ${{ secrets.JENKINS_INSTANCE_URL }}
  JENKINS_USERNAME: ${{ secrets.jenkins_username }}
  JENKINS_ACCESS_TOKEN: ${{ secrets.jenkins_access_token }}
  JENKINSFILE_ACCESS_TOKEN: ${{ secrets.jenkinsfile_access_token }}
  AZURE_DEVOPS_ACCESS_TOKEN: ${{ secrets.azure_devops_access_token }}
  TRAVIS_CI_ACCESS_TOKEN: ${{ secrets.travis_ci_access_token }}
  TRAVIS_CI_SOURCE_GITHUB_ACCESS_TOKEN: ${{ secrets.travis_ci_source_github_access_token }}
  GITLAB_ACCESS_TOKEN: ${{ secrets.gitlab_access_token }}
  GITLAB_INSTANCE_URL: ${{ secrets.gitlab_instance_url || 'https://gitlab.com' }}
  CIRCLE_CI_ACCESS_TOKEN: ${{ secrets.circle_ci_access_token }}
  CIRCLE_CI_SOURCE_GITHUB_ACCESS_TOKEN: ${{ secrets.circle_ci_source_github_access_token }}
  BAMBOO_ACCESS_TOKEN: ${{ secrets.bamboo_access_token }}
  BAMBOO_INSTANCE_URL: ${{ secrets.bamboo_instance_url }}
  BITBUCKET_ACCESS_TOKEN: ${{ secrets.bitbucket_access_token }}

jobs:
  execute-actions-importer:
    runs-on: ubuntu-latest
    outputs:
      command: ${{ steps.prepare.outputs.command }}
      log-filename: ${{ steps.logs.outputs.filename }}
    steps:
      - name: Install GitHub Actions Importer
        run: |
          gh actions-importer version || gh extension install github/gh-actions-importer
          gh actions-importer update
        env:
          GH_TOKEN: ${{ github.token }}
      - uses: actions/github-script@v7
        if: always()
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['actions-importer-running']
            })
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        # ImageOs must be configured to match the OS of the runner when using self-hosted runners.
        # env:
        #     ImageOS: ubuntu22
      - name: Install Dependencies
        run: bundle install
        env:
          BUNDLE_WITHOUT: development
      - name: Prepare arguments
        id: prepare
        env:
          ISSUE_BODY: ${{ github.event.issue.body }}
          COMMENT_BODY: ${{ github.event.comment.body }}
          LABELS: ${{ toJSON(github.event.issue.labels.*.name) }}
        run: |
          ./bin/parse_issue "$ISSUE_BODY" "$COMMENT_BODY" "$LABELS"
      - name: Validate arguments
        run: |
          if [ -z "${{ steps.prepare.outputs.provider }}" ]; then
            echo "Unable to determine provider"
            exit 1
          elif [ -z "${{ steps.prepare.outputs.command }}" ]; then
            echo "Unable to determine command"
            exit 1
          fi
      - name: execute actions-importer
        run: |
          gh actions-importer ${{ steps.prepare.outputs.command }} ${{ steps.prepare.outputs.provider }} \
            ${{ steps.prepare.outputs.args }} \
            --output-dir output
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          path: output/
          name: output
      - if: always()
        id: logs
        run: |
          path=$(ls output/log/*.log | head -1)
          filename=$(basename "$path")
          echo "LOG_FILE_PATH=$path" >> $GITHUB_ENV
          echo "filename=$filename" >> $GITHUB_OUTPUT
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          path: ${{ env.LOG_FILE_PATH }}
          name: logs

  audit:
    runs-on: ubuntu-latest
    if: needs.execute-actions-importer.outputs.command == 'audit'
    needs: execute-actions-importer
    steps:
      - uses: actions/download-artifact@v4
        if: always()
        with:
          name: output
      - uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs')
            const summaryText = fs.readFileSync("./audit_summary.md", "utf8")
            const MAX_LENGTH = 64000
            const artifactUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${process.env.GITHUB_RUN_ID}`
            const body = `Audit successfully completed :rocket:

            Download full results [here](${artifactUrl})

            <details>
              <summary>Audit summary :point_down:</summary>

              \`\`\`
              ${summaryText.substring(0, Math.min(summaryText.length, MAX_LENGTH))}
              \`\`\`

            </details>
            `
            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body
            })
  dry-run:
    runs-on: ubuntu-latest
    if: needs.execute-actions-importer.outputs.command == 'dry-run'
    needs: execute-actions-importer
    steps:
      - uses: actions/download-artifact@v4
        if: always()
        with:
          name: output
      - uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs')
            const directory = "${{ github.workspace }}/"
            const globber = await glob.create(`${directory}**/*.yml`)
            const MAX_LENGTH = 64000
            let currentLength = 0

            const workflows = []
            for await (const file of globber.globGenerator()) {
              const content = fs.readFileSync(file, 'utf8')
              const data = [
                "<details>",
                `  <summary>${file.substring(directory.length)}</summary>`,
                "",
                "```yaml",
                content,
                "```",
                "</details>",
                ""
              ]

              for (const element of data) {
                currentLength += element.length;
              }

              if (currentLength > MAX_LENGTH){
                break
              }

              workflows.push(...data)
            }

            const body = `Dry run was successful :boom:

            Transformed workflows:

            ${workflows.join("\n")}
            `
            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body
            })

  migrate:
    runs-on: ubuntu-latest
    if: needs.execute-actions-importer.outputs.command == 'migrate'
    needs: execute-actions-importer
    steps:
      - uses: actions/download-artifact@v4
        if: always()
        with:
          name: logs
      - id: pull-request-url
        run: |
          pullRequest=$(grep "${{ env.pullRequestPattern }}" ${{ needs.execute-actions-importer.outputs.log-filename }} | sed -rn "s/^.*${{ env.pullRequestPattern }}'(.+)'.*$/\1/p")
          echo $pullRequest
          echo "output=$pullRequest" >> $GITHUB_OUTPUT
        env:
          pullRequestPattern: "Pull request: "
      - uses: actions/github-script@v7
        env:
          PULL_REQUEST_URL: "${{ steps.pull-request-url.outputs.output }}"
        with:
          script: |
            const body = `Migration was successful :sparkles:

            Continue to the [pull request](${process.env.PULL_REQUEST_URL}) to complete the migration.
            `
            try {
              await github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body
              })
            } catch(e) {
              console.log(e)
            }

  cleanup:
    runs-on: ubuntu-latest
    needs: [execute-actions-importer, audit, migrate, dry-run]
    if: always()
    steps:
      - uses: actions/download-artifact@v4
        if: always() && needs.execute-actions-importer.result == 'failure'
        with:
          name: logs
      - uses: actions/github-script@v7
        if: always() && needs.execute-actions-importer.result == 'failure'
        with:
          script: |
            const fs = require('fs')
            const MAX_LENGTH = 64000
            const logData = fs.readFileSync("${{ needs.execute-actions-importer.outputs.log-filename }}", "utf8")
            const body = `Something went wrong. Please check the logs for more information.

            <details>
              <summary>Logs :point_down:</summary>

              \`\`\`
              ${logData.substring(0, Math.min(logData.length, MAX_LENGTH))}
              \`\`\`
            </details>
            `
            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body
            })
      - uses: actions/github-script@v7
        if: always()
        with:
          script: |
            await github.rest.issues.removeLabel({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              name: 'actions-importer-running'
            });