name: Deploy to Production
run-name: 🚀 Deploy ${{ github.event.repository.name }} ${{ github.ref_name }}

on:
  workflow_call:
    inputs:
      app_dir:
        description: "Relative path to the Next.js app within the repository"
        type: string
        default: "."
  workflow_dispatch:
    inputs:
      app_dir:
        description: "Relative path to the Next.js app within the repository"
        type: string
        default: "."

jobs:
  deploy:
    runs-on: ubuntu-latest

    env:
      VAR_APP_NAME: ${{ vars.VAR_APP_NAME }}
      APP_DIR: ${{ inputs.app_dir || '.' }}

    steps:
      - name: 📥 Checkout
        uses: actions/checkout@v4

      - name: 🟢 Setup Node 20 + Cache
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: "npm"
          cache-dependency-path: ${{ env.APP_DIR }}/package-lock.json

      - name: 📦 Install dependencies
        working-directory: ${{ env.APP_DIR }}
        run: npm ci --include=dev

      - name: Create Env
        uses: jakubcieslik99/secrets-vars-to-env-file-action@main
        with:
          secrets: ${{ toJSON(secrets) }}
          vars: ${{ toJSON(vars) }}
          generate-file: "${{ env.APP_DIR }}/.env"

      - name: 🏗️ Build Next.js (Standalone)
        working-directory: ${{ env.APP_DIR }}
        run: |
          npm run build
          test -d .next/standalone || (echo "Standalone build missing" && exit 1)
          test -d .next/static || (echo "Static assets missing" && exit 1)

      - name: 🚀 Deploy (Atomic Release)
        run: |
          set -e
          DEPLOY_BASE="/var/www/${VAR_APP_NAME}"
          RELEASE_DIR="$DEPLOY_BASE/releases/$(date +%Y%m%d%H%M%S)"
          CURRENT_LINK="$DEPLOY_BASE/current"

          mkdir -p "$RELEASE_DIR"
          cp -r "${APP_DIR}/.next/standalone/." "$RELEASE_DIR/"
          mkdir -p "$RELEASE_DIR/.next/static"
          cp -r "${APP_DIR}/.next/static/." "$RELEASE_DIR/.next/static/"

          if [ -d "${APP_DIR}/public" ]; then
            cp -r "${APP_DIR}/public" "$RELEASE_DIR/"
          fi
          cp "${APP_DIR}/.env" "$RELEASE_DIR/"

          SHARED_LOGS="$DEPLOY_BASE/shared/logs"
          mkdir -p "$SHARED_LOGS"

          ln -sfn "$RELEASE_DIR" "$CURRENT_LINK"

      - name: 🔄 Reload PM2
        run: |
          set -e
          echo "Restarting $VAR_APP_NAME"
          sudo -u ansible pm2 restart "$VAR_APP_NAME"
          sudo -u ansible pm2 save