#/
# @license Apache-2.0
#
# Copyright (c) 2024 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#/

# Workflow name:
name: label_commands

# Workflow triggers:
on:
  pull_request_target:
    types:
      - labeled

# Workflow jobs:
jobs:

  # Define a job for removing the label and adding in-progress label:
  manage_labels:

    # Define a display name:
    name: 'Manage labels'

    # Define the type of virtual host machine:
    runs-on: ubuntu-latest

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Merge' ||
      github.event.label.name == 'bot: Rebase' ||
      github.event.label.name == 'bot: Check Files' ||
      github.event.label.name == 'bot: Lint Autofix' ||
      github.event.label.name == 'bot: Update Copyright Years'

    # Define the job's steps:
    steps:

      - name: 'Remove label'
        # Pin action to full length commit SHA
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          github-token: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
          script: |
            try {
              await github.rest.issues.removeLabel({
                'owner': context.repo.owner,
                'repo': context.repo.repo,
                'issue_number': context.issue.number,
                'name': '${{ github.event.label.name }}'
              })
            } catch ( error ) {
              console.log( 'Error removing label: %s', error.message );
            }

      - name: 'Add in-progress label'
        # Pin action to full length commit SHA
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          github-token: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
          script: |
            github.rest.issues.addLabels({
              'owner': context.repo.owner,
              'repo': context.repo.repo,
              'issue_number': context.issue.number,
              'labels': ['bot: In Progress']
            })

      # Add initial reaction to comment with slash command:
      - name: 'Add initial reaction'
        run: |
          curl -X POST \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: Bearer ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}" \
            "https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/reactions" \
            -d '{"content":"eyes"}'

  # Define a job for checking for required files:
  check_files:

    # Define a display name:
    name: 'Check for required files'

    # Ensure initial reaction job has completed before running this job:
    needs: [ manage_labels ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Check Files'

    # Run reusable workflow:
    uses: ./.github/workflows/check_required_files.yml
    with:
      pull_request_number: ${{ github.event.pull_request.number }}
      user: ${{ github.event.sender.login }}
    secrets:
      STDLIB_BOT_GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}

  # Define a job for updating copyright header years:
  update_copyright_years:

    # Define a display name:
    name: 'Update copyright header years'

    # Ensure initial reaction job has completed before running this job:
    needs: [ manage_labels ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Update Copyright Years'

    # Run reusable workflow:
    uses: ./.github/workflows/update_pr_copyright_years.yml
    with:
      pull_request_number: ${{ github.event.pull_request.number }}
    secrets:
      STDLIB_BOT_GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
      STDLIB_BOT_GPG_PRIVATE_KEY: ${{ secrets.STDLIB_BOT_GPG_PRIVATE_KEY }}
      STDLIB_BOT_GPG_PASSPHRASE: ${{ secrets.STDLIB_BOT_GPG_PASSPHRASE }}

  # Define a job for auto-fixing lint errors:
  fix_lint_errors:

    # Define a display name:
    name: 'Auto-fix lint errors'

    # Ensure initial reaction job has completed before running this job:
    needs: [ manage_labels ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Lint Autofix'

    # Run reusable workflow:
    uses: ./.github/workflows/lint_autofix.yml
    with:
      pull_request_number: ${{ github.event.pull_request.number }}
    secrets:
      STDLIB_BOT_GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
      STDLIB_BOT_GPG_PRIVATE_KEY: ${{ secrets.STDLIB_BOT_GPG_PRIVATE_KEY }}
      STDLIB_BOT_GPG_PASSPHRASE: ${{ secrets.STDLIB_BOT_GPG_PASSPHRASE }}

  # Define a job for merging develop branch:
  merge_develop:

    # Define a display name:
    name: 'Merge changes from develop branch into this PR'

    # Ensure initial reaction job has completed before running this job:
    needs: [ manage_labels ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Merge'

    # Run reusable workflow:
    uses: ./.github/workflows/pr_merge_develop.yml
    with:
      pull_request_number: ${{ github.event.pull_request.number }}
    secrets:
      STDLIB_BOT_GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
      STDLIB_BOT_GPG_PRIVATE_KEY: ${{ secrets.STDLIB_BOT_GPG_PRIVATE_KEY }}
      STDLIB_BOT_GPG_PASSPHRASE: ${{ secrets.STDLIB_BOT_GPG_PASSPHRASE }}

  # Define a job for rebasing on develop branch:
  rebase_develop:

    # Define a display name:
    name: 'Rebase this PR on top of develop branch'

    # Ensure initial reaction job has completed before running this job:
    needs: [ manage_labels ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Rebase'

    # Run reusable workflow:
    uses: ./.github/workflows/pr_rebase_develop.yml
    with:
      pull_request_number: ${{ github.event.pull_request.number }}
    secrets:
      STDLIB_BOT_GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
      STDLIB_BOT_GPG_PRIVATE_KEY: ${{ secrets.STDLIB_BOT_GPG_PRIVATE_KEY }}
      STDLIB_BOT_GPG_PASSPHRASE: ${{ secrets.STDLIB_BOT_GPG_PASSPHRASE }}

  # Define a job for removing the in-progress label:
  remove_progress_label:

    # Define a display name:
    name: 'Remove in-progress label'

    # Define the type of virtual host machine:
    runs-on: ubuntu-latest

    # Ensure all previous jobs have completed before running this job:
    needs: [ manage_labels, check_files, update_copyright_years, fix_lint_errors, merge_develop, rebase_develop ]

    # Define the conditions under which the job should run:
    if: |
      github.event.label.name == 'bot: Merge' ||
      github.event.label.name == 'bot: Rebase' ||
      github.event.label.name == 'bot: Check Files' ||
      github.event.label.name == 'bot: Lint Autofix' ||
      github.event.label.name == 'bot: Update Copyright Years'

    # Define the job's steps:
    steps:
      - name: Remove in-progress label
        # Run the step regardless of the outcome of previous steps:
        if: always()
        # Pin action to full length commit SHA
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          github-token: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
          script: |
            try {
              await github.rest.issues.removeLabel({
                'owner': context.repo.owner,
                'repo': context.repo.repo,
                'issue_number': context.issue.number,
                'name': 'bot: In Progress'
              })
            } catch ( error ) {
              console.log( 'Error removing label: %s', error.message );
            }