name: Generate Preview or Production URLs

on:
  workflow_call:
    inputs:
      mode:
        description: "Build mode: 'prod' or 'pr'"
        required: true
        type: string
      pr_number:
        description: 'PR number (required when mode=pr)'
        required: false
        type: string
      runner:
        description: 'The runner to use for this job'
        required: false
        type: string
        default: 'ubuntu-latest'
    secrets:
      BASE_DOMAIN:
        required: false

    outputs:
      backend_url:
        description: "The backend URL without scheme (e.g., api.example.com)"
        value: ${{ jobs.generate-urls.outputs.backend_url }}
      frontend_url:
        description: "The frontend URL without scheme (e.g., app.example.com)"
        value: ${{ jobs.generate-urls.outputs.frontend_url }}
      backend_url_scheme:
        description: "The backend URL with scheme (e.g., https://api.example.com)"
        value: ${{ jobs.generate-urls.outputs.backend_url_scheme }}
      frontend_url_scheme:
        description: "The frontend URL with scheme (e.g., https://app.example.com)"
        value: ${{ jobs.generate-urls.outputs.frontend_url_scheme }}

jobs:
  generate-urls:
    runs-on: ${{ inputs.runner }}

    outputs:
      backend_url: ${{ steps.set_urls.outputs.backend_url }}
      frontend_url: ${{ steps.set_urls.outputs.frontend_url }}
      backend_url_scheme: ${{ steps.set_urls.outputs.backend_url_scheme }}
      frontend_url_scheme: ${{ steps.set_urls.outputs.frontend_url_scheme }}

    steps:
      - name: Generate URLs
        id: set_urls
        env:
          BASE_DOMAIN: ${{ secrets.BASE_DOMAIN }}
        run: |
          set -euo pipefail
          
          if [ "${{ inputs.mode }}" = "prod" ]; then
            BACKEND_URL="api.${BASE_DOMAIN}"
            FRONTEND_URL="finance.${BASE_DOMAIN}"
          else
            # This is your current logic
            FRONTEND_URL="pr-${{ inputs.pr_number }}.group-8-frontend.pages.dev"
            BACKEND_URL="api-pr-${{ inputs.pr_number }}.${BASE_DOMAIN}"
          fi

          FRONTEND_URL_SCHEME="https://$FRONTEND_URL"
          BACKEND_URL_SCHEME="https://$BACKEND_URL"
          
          # This part correctly writes to GITHUB_OUTPUT for the step
          echo "backend_url_scheme=$BACKEND_URL_SCHEME" >> $GITHUB_OUTPUT
          echo "frontend_url_scheme=$FRONTEND_URL_SCHEME" >> $GITHUB_OUTPUT
          echo "backend_url=$BACKEND_URL" >> $GITHUB_OUTPUT
          echo "frontend_url=$FRONTEND_URL" >> $GITHUB_OUTPUT