name: Lock Files Update

on:
  workflow_dispatch:
  push:
    branches:
      - master

jobs:
  pod-update:
    runs-on: macos-15
    permissions:
      contents: write
    steps:

      - name: Checkout master branch
        uses: actions/checkout@v4
        with:
          ref: master  # Ensures we're checking out the master branch
          fetch-depth: 0 # Ensures full history to enable branch deletion and recreation

      - name: Delete existing branch
        run: |
          git push origin --delete pod-update-branch || echo "Branch does not exist, continuing..."
          git branch -D pod-update-branch || echo "Local branch does not exist, continuing..."

      - name: Create new branch from master
        run: git checkout -b pod-update-branch  # Create a new branch from the master branch

      - name: Specify node version
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Install node modules
        run: npm install

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.1.6
          bundler-cache: true

      - name: Install and update Ruby Gems
        run: |
          bundle install

      - name: Install CocoaPods Dependencies
        run: |
          cd ios
          pod install
          pod update

      - name: Check for changes
        id: check-changes
        run: |
          git diff --quiet package-lock.json ios/Podfile.lock || echo "Changes detected"
        continue-on-error: true

      - name: Stop job if no changes
        if: steps.check-changes.outcome == 'success'
        run: |
          echo "No changes detected in package-lock.json or Podfile.lock. Stopping the job."
          exit 0

      - name: Commit changes
        if: steps.check-changes.outcome != 'success'
        run: |
          git add package-lock.json ios/Podfile.lock
          git commit -m "Update lock files"

      # Step 10: Get the list of changed files for PR description
      - name: Get changed files for PR description
        id: get-changes
        if: steps.check-changes.outcome != 'success'
        run: |
          git diff --name-only HEAD^ HEAD > changed_files.txt
          echo "CHANGES=$(cat changed_files.txt)" >> $GITHUB_ENV

      # Step 11: Push the changes and create the PR using the LockFiles PAT
      - name: Push and create PR
        if: steps.check-changes.outcome != 'success'
        run: |
          git push origin pod-update-branch
          gh pr create --title "Lock Files Updates" --body "The following lock files were updated:\n\n${{ env.CHANGES }}" --base master
        env:
          GITHUB_TOKEN: ${{ secrets.LOCKFILES_WORKFLOW }} # Use the LockFiles PAT for PR creation

  cleanup:
    runs-on: macos-15
    if: github.event.pull_request.merged == true || github.event.pull_request.state == 'closed'
    needs: pod-update
    steps:

      - name: Delete branch after PR merge/close
        run: |
          git push origin --delete pod-update-branch