name: Update WAProto

on:
  schedule:
    - cron: '0 3 * * *'
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write
  actions: write

jobs:
  update-proto:
    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
      - uses: actions/checkout@v3

      - name: Install Node
        uses: actions/setup-node@v3
        with:
          node-version: 20.x

      - name: Enable Corepack and Set Yarn Version
        run: |
          corepack enable
          corepack prepare yarn@4.x --activate

      - name: Configure Git for HTTPS
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Force git to use HTTPS instead of SSH for GitHub repositories
          git config --global url."https://github.com/".insteadOf "ssh://git@github.com/"
          git config --global url."https://github.com/".insteadOf "git@github.com:"
          # Configure git to use GITHUB_TOKEN for authentication
          git config --global url."https://x-access-token:${GITHUB_TOKEN}@github.com/".insteadOf "https://github.com/"

      - name: Install packages
        run: |
          yarn install --immutable
          yarn --cwd proto-extract install --immutable

      - name: Update WAProto.proto
        id: wa_proto_info
        run: |
          yarn --cwd proto-extract start > wa-logs.txt
          WA_VERSION=$(cat wa-logs.txt | perl -n -e'/Current version\: (.+)/ && print $1')
          WA_JS_URL=$(cat wa-logs.txt | perl -n -e'/Found source JS URL\: (.+)/ && print $1')
          echo "wa_version=$WA_VERSION" >> $GITHUB_OUTPUT
          echo "wa_js_url=$WA_JS_URL" >> $GITHUB_OUTPUT

      - name: GenerateStatics
        run: yarn gen:protobuf

      - name: Update baileys-version.json
        run: |
          WA_VERSION="${{steps.wa_proto_info.outputs.wa_version}}"
          WA_NUMBERS=$(echo $WA_VERSION | sed "s/\./, /g")
          echo -e "{\n\t\"version\": [$WA_NUMBERS]\n}" > src/Defaults/baileys-version.json

      - name: Create Pull Request
        id: create_pr
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: 'chore: updated proto/version to v${{steps.wa_proto_info.outputs.wa_version}}'
          title: 'Whatsapp v${{steps.wa_proto_info.outputs.wa_version}} proto/version change'
          branch: 'update-proto/stable'
          delete-branch: true
          labels: 'update-proto'
          body: "Automated changes\nFound source JS URL: ${{steps.wa_proto_info.outputs.wa_js_url}}\nCurrent version: v${{steps.wa_proto_info.outputs.wa_version}}"
          add-paths: |
            WAProto/*
            src/Defaults/baileys-version.json

      - name: Auto-merge PR
        if: steps.create_pr.outputs.pull-request-number != ''
        env:
          GH_TOKEN: ${{ secrets.GH_PAT || secrets.GITHUB_TOKEN }}
        run: |
          PR_NUMBER="${{ steps.create_pr.outputs.pull-request-number }}"
          echo "🔀 Attempting to merge PR #$PR_NUMBER via squash..."
          
          # Check PR status
          set +e
          PR_STATE=$(gh pr view "$PR_NUMBER" --repo "${{ github.repository }}" --json state --jq '.state' 2>&1)
          PR_VIEW_EXIT=$?
          set -e
          
          if [ $PR_VIEW_EXIT -ne 0 ] || [ -z "$PR_STATE" ]; then
            echo "⚠️ Could not retrieve PR state, attempting merge anyway..."
          else
            echo "📊 PR State: $PR_STATE"
            if [ "$PR_STATE" != "OPEN" ]; then
              echo "⚠️ PR is not open (state: $PR_STATE), skipping merge"
              exit 0
            fi
          fi
          
          # Brief wait for GitHub to compute PR mergeability
          sleep 5
          
          # Check if PR is mergeable
          set +e
          MERGEABLE=$(gh pr view "$PR_NUMBER" --repo "${{ github.repository }}" --json mergeable --jq '.mergeable' 2>&1)
          set -e
          echo "📊 Mergeable: $MERGEABLE"
          
          # Attempt merge with error handling
          set +e
          MERGE_OUTPUT=$(gh pr merge "$PR_NUMBER" \
            --repo "${{ github.repository }}" \
            --squash \
            --delete-branch \
            --yes 2>&1)
          MERGE_EXIT=$?
          set -e
          
          if [ $MERGE_EXIT -eq 0 ]; then
            echo "✅ PR #$PR_NUMBER merged successfully"
            echo "$MERGE_OUTPUT"
          else
            echo "::warning::Standard merge failed for PR #$PR_NUMBER"
            echo "::group::Merge Error Output"
            echo "$MERGE_OUTPUT"
            echo "::endgroup::"
            
            # Try with admin flag (bypasses branch protection if user has admin rights)
            echo "🔧 Attempting merge with admin override..."
            set +e
            ADMIN_OUTPUT=$(gh pr merge "$PR_NUMBER" \
              --repo "${{ github.repository }}" \
              --squash \
              --delete-branch \
              --admin 2>&1)
            ADMIN_EXIT=$?
            set -e
            
            if [ $ADMIN_EXIT -eq 0 ]; then
              echo "✅ PR #$PR_NUMBER merged successfully with admin override"
              echo "$ADMIN_OUTPUT"
            else
              echo "::error::Failed to merge PR #$PR_NUMBER even with admin override"
              echo "::group::Admin Merge Error Output"
              echo "$ADMIN_OUTPUT"
              echo "::endgroup::"
              echo "::warning::Consider configuring a Personal Access Token (PAT) with full repo permissions as GH_PAT secret"
              echo "::warning::PR #$PR_NUMBER was created but requires manual merge: https://github.com/${{ github.repository }}/pull/$PR_NUMBER"
              # Don't exit with error to avoid blocking the workflow
              exit 0
            fi
          fi

      - name: Summary
        run: |
          echo "### WAProto Update" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          
          WA_VERSION="${{ steps.wa_proto_info.outputs.wa_version }}"
          PR_NUMBER="${{ steps.create_pr.outputs.pull-request-number }}"
          
          if [ -n "$PR_NUMBER" ]; then
            echo "✅ PR #$PR_NUMBER created for version v$WA_VERSION" >> $GITHUB_STEP_SUMMARY
            echo "📦 Updated: WAProto files + baileys-version.json" >> $GITHUB_STEP_SUMMARY
          else
            echo "ℹ️ No changes detected" >> $GITHUB_STEP_SUMMARY
          fi