name: Weekly Menu Scrape & Publish

on:
  schedule:
    # Monday 7:30am EST = 12:30 UTC
    - cron: '30 12 * * 1'
    # Monday 7:30am EDT = 11:30 UTC
    - cron: '30 11 * * 1'
  workflow_dispatch:

permissions:
  id-token: write
  contents: read

jobs:
  scrape-and-publish:
    runs-on: ubuntu-latest
    env:
      AWS_REGION: us-east-1

    steps:
      - name: Timezone guard
        if: github.event_name == 'schedule'
        run: |
          CRON="${{ github.event.schedule }}"
          OFFSET=$(TZ='America/New_York' date +%z)
          echo "Cron: $CRON | Eastern offset: $OFFSET"
          if { [ "$OFFSET" = "-0400" ] && [ "$CRON" = "30 12 * * 1" ]; } || \
             { [ "$OFFSET" = "-0500" ] && [ "$CRON" = "30 11 * * 1" ]; }; then
            echo "Wrong-timezone cron fired — skipping"
            echo "SKIP_RUN=true" >> "$GITHUB_ENV"
          fi

      - uses: actions/checkout@v7
        if: env.SKIP_RUN != 'true'

      - uses: actions/setup-python@v6
        if: env.SKIP_RUN != 'true'
        with:
          python-version: '3.12'

      - name: Install dependencies
        if: env.SKIP_RUN != 'true'
        run: |
          pip install playwright boto3
          playwright install chromium --with-deps

      - name: Configure AWS credentials
        if: env.SKIP_RUN != 'true'
        uses: aws-actions/configure-aws-credentials@517a711dbcd0e402f90c77e7e2f81e849156e31d # v6
        with:
          role-to-assume: ${{ secrets.AWS_DEPLOY_ROLE_ARN }}
          aws-region: us-east-1

      - name: Scrape menu
        if: env.SKIP_RUN != 'true'
        run: python3 src/scraper/scrape_menu.py

      - name: Get stack outputs
        if: env.SKIP_RUN != 'true'
        id: stack
        run: |
          API_URL=$(aws cloudformation describe-stacks \
            --stack-name meal-order-manager \
            --query 'Stacks[0].Outputs[?OutputKey==`ApiUrl`].OutputValue' \
            --output text)
          FORM_BUCKET=$(aws cloudformation describe-stacks \
            --stack-name meal-order-manager \
            --query 'Stacks[0].Outputs[?OutputKey==`FormBucketName`].OutputValue' \
            --output text)
          DIST_ID=$(aws cloudformation describe-stacks \
            --stack-name meal-order-manager \
            --query 'Stacks[0].Outputs[?OutputKey==`DistributionId`].OutputValue' \
            --output text)
          FORM_URL=$(aws cloudformation describe-stacks \
            --stack-name meal-order-manager \
            --query 'Stacks[0].Outputs[?OutputKey==`FormUrl`].OutputValue' \
            --output text)
          echo "api_url=$API_URL" >> $GITHUB_OUTPUT
          echo "form_bucket=$FORM_BUCKET" >> $GITHUB_OUTPUT
          echo "dist_id=$DIST_ID" >> $GITHUB_OUTPUT
          echo "form_url=$FORM_URL" >> $GITHUB_OUTPUT

      - name: Get API key
        if: env.SKIP_RUN != 'true'
        id: apikey
        run: |
          API_KEY=$(aws secretsmanager get-secret-value \
            --secret-id meal-order-manager/form-api-key \
            --query 'SecretString' --output text)
          echo "::add-mask::$API_KEY"
          echo "api_key=$API_KEY" >> $GITHUB_OUTPUT

      - name: Get discount settings
        if: env.SKIP_RUN != 'true'
        id: discount
        run: |
          RESULT=$(aws dynamodb get-item \
            --table-name meal-order-manager-orders \
            --key '{"PK":{"S":"CONFIG"},"SK":{"S":"SETTINGS"}}' \
            --output json 2>/dev/null || echo '{}')
          BULK=$(echo "$RESULT" | python3 -c "
          import sys, json
          d = json.load(sys.stdin)
          print(d.get('Item',{}).get('bulk_discount_percent',{}).get('N','0'))
          " 2>/dev/null || echo "0")
          SUBSIDY=$(echo "$RESULT" | python3 -c "
          import sys, json
          d = json.load(sys.stdin)
          print(d.get('Item',{}).get('company_subsidy_percent',{}).get('N','0'))
          " 2>/dev/null || echo "0")
          echo "bulk_discount=$BULK" >> $GITHUB_OUTPUT
          echo "company_subsidy=$SUBSIDY" >> $GITHUB_OUTPUT

      - name: Get Google Client ID
        if: env.SKIP_RUN != 'true'
        id: google
        run: |
          GOOGLE_CLIENT_ID=$(aws ssm get-parameter \
            --name /meal-order-manager/google-client-id \
            --query 'Parameter.Value' \
            --output text 2>/dev/null || echo "")
          if [ "$GOOGLE_CLIENT_ID" = "None" ] || [ -z "$GOOGLE_CLIENT_ID" ]; then
            GOOGLE_CLIENT_ID=""
          fi
          echo "client_id=$GOOGLE_CLIENT_ID" >> $GITHUB_OUTPUT

      - name: Generate order form
        if: env.SKIP_RUN != 'true'
        run: |
          python3 src/server/generate_form.py \
            --api-url "${{ steps.stack.outputs.api_url }}" \
            --api-key "${{ steps.apikey.outputs.api_key }}" \
            --bulk-discount "${{ steps.discount.outputs.bulk_discount }}" \
            --company-subsidy "${{ steps.discount.outputs.company_subsidy }}" \
            ${{ steps.google.outputs.client_id && format('--google-client-id "{0}"', steps.google.outputs.client_id) || '' }}

      - name: Upload menu to DynamoDB
        if: env.SKIP_RUN != 'true'
        run: python3 scripts/upload_menu.py

      - name: Upload form to S3
        if: env.SKIP_RUN != 'true'
        run: |
          WEEK=$(date +%Y-W%U)
          aws s3 cp "output/order-form-$WEEK.html" \
            "s3://${{ steps.stack.outputs.form_bucket }}/index.html" \
            --content-type "text/html" \
            --cache-control "no-cache"
          aws s3 cp "output/order-form-$WEEK.html" \
            "s3://${{ steps.stack.outputs.form_bucket }}/archive/$WEEK.html" \
            --content-type "text/html"

      - name: Invalidate CloudFront cache
        if: env.SKIP_RUN != 'true'
        run: |
          aws cloudfront create-invalidation \
            --distribution-id "${{ steps.stack.outputs.dist_id }}" \
            --paths "/index.html"

      - name: Notify Slack
        if: env.SKIP_RUN != 'true'
        run: python3 scripts/notify_slack.py "${{ steps.stack.outputs.form_url }}"