name: Deploy Stacks

on:
  push:
    branches: [master, dev]
    paths:
      - 'stacks/**'
  workflow_dispatch:

env:
  STACKS_DIR: /var/core

jobs:
  deploy-prod:
    if: ${{ github.ref == 'refs/heads/master' }}
    runs-on: ubuntu-prod
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Find and deploy changed stacks
        env:
          DOMAIN: ${{ secrets.DOMAIN }}
        run: |
          # Find changed stacks
          STACKS=$(git diff --name-only HEAD~1 HEAD 2>/dev/null | grep '^stacks/' | cut -d'/' -f2 | sort -u || echo "")

          if [ -z "$STACKS" ]; then
            echo "No stacks changed, checking all stacks..."
            STACKS=$(ls stacks/)
          fi

          echo "Evaluating stacks: $STACKS"
          echo ""

          for stack in $STACKS; do
            COMPOSE_FILE="stacks/$stack/docker-compose.yml"

            # Check stack-type label
            STACK_TYPE=$(grep -o 'stack-type=[^"]*' "$COMPOSE_FILE" 2>/dev/null | head -1 | cut -d= -f2)

            if [ -z "$STACK_TYPE" ]; then
              echo "⚠️  SKIP $stack - no stack-type label found"
              continue
            fi

            # On prod, only deploy 'prod' and 'public' stacks
            if [ "$STACK_TYPE" != "prod" ] && [ "$STACK_TYPE" != "public" ]; then
              echo "⏭️  SKIP $stack - stack-type=$STACK_TYPE (not for prod)"
              continue
            fi

            echo "=========================================="
            echo "Deploying $stack (stack-type=$STACK_TYPE)..."
            echo "=========================================="

            STACK_DIR="${{ env.STACKS_DIR }}/$stack"
            sudo mkdir -p "$STACK_DIR"

            # Copy files
            sudo cp -r stacks/$stack/* "$STACK_DIR/"

            # Create .env from template if .env doesn't exist
            if [ -f "$STACK_DIR/.env.template" ] && [ ! -f "$STACK_DIR/.env" ]; then
              echo "Creating .env from template..."
              sudo sh -c "DOMAIN=$DOMAIN envsubst < '$STACK_DIR/.env.template' > '$STACK_DIR/.env'"
            fi

            # Deploy
            cd "$STACK_DIR"
            sudo docker compose pull --ignore-pull-failures 2>/dev/null || true
            sudo docker compose up -d --remove-orphans

            echo "✅ Deployed $stack"
            echo ""
          done

      - name: Show running containers
        run: sudo docker ps --format "table {{.Names}}\t{{.Status}}" | head -30

  deploy-dev:
    if: ${{ github.ref == 'refs/heads/dev' }}
    runs-on: ubuntu-dev:host
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Find and deploy changed stacks
        env:
          DOMAIN: ${{ secrets.DOMAIN }}
        run: |
          # Find changed stacks
          STACKS=$(git diff --name-only HEAD~1 HEAD 2>/dev/null | grep '^stacks/' | cut -d'/' -f2 | sort -u || echo "")

          if [ -z "$STACKS" ]; then
            echo "No stacks changed, checking all stacks..."
            STACKS=$(ls stacks/)
          fi

          echo "Evaluating stacks: $STACKS"
          echo ""

          for stack in $STACKS; do
            COMPOSE_FILE="stacks/$stack/docker-compose.yml"

            # Check stack-type label
            STACK_TYPE=$(grep -o 'stack-type=[^"]*' "$COMPOSE_FILE" 2>/dev/null | head -1 | cut -d= -f2)

            if [ -z "$STACK_TYPE" ]; then
              echo "⚠️  SKIP $stack - no stack-type label found"
              continue
            fi

            # On dev, only deploy 'dev-only' stacks
            if [ "$STACK_TYPE" != "dev-only" ]; then
              echo "⏭️  SKIP $stack - stack-type=$STACK_TYPE (not for dev)"
              continue
            fi

            echo "=========================================="
            echo "Deploying $stack (stack-type=$STACK_TYPE)..."
            echo "=========================================="

            STACK_DIR="${{ env.STACKS_DIR }}/$stack"
            sudo mkdir -p "$STACK_DIR"

            # Copy files
            sudo cp -r stacks/$stack/* "$STACK_DIR/"

            # Create .env from template if .env doesn't exist
            if [ -f "$STACK_DIR/.env.template" ] && [ ! -f "$STACK_DIR/.env" ]; then
              echo "Creating .env from template..."
              sudo sh -c "DOMAIN=$DOMAIN envsubst < '$STACK_DIR/.env.template' > '$STACK_DIR/.env'"
            fi

            # Deploy
            cd "$STACK_DIR"
            sudo docker compose pull --ignore-pull-failures 2>/dev/null || true
            sudo docker compose up -d --remove-orphans

            echo "✅ Deployed $stack"
            echo ""
          done

      - name: Show running containers
        run: sudo docker ps --format "table {{.Names}}\t{{.Status}}" | head -30