name: Deploy to OCIWP

on:
  push:
    branches:
      - main
      - master
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:

      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Sync Code to Host Volume
        run: |
          echo "Cleaning up old src directories to prevent stale source files..."
          rm -rf /app/*/src
          echo "Copying latest code to /app (Host Volume)..."
          cp -a . /app/

      - name: Deploy Task on Host
        run: |
          echo "Starting Blue-Green CI/CD Deploy pipeline..."
          
          # 1. (?œ๊ฑฐ?? ?ธ์Šค??๋ณผ๋ฅจ?์„œ??๋ถˆํ•„?”ํ•œ gradle ๋นŒ๋“œ ?œ์™ธ - Dockerfile ?ด์—???ด๋? ?˜ํ–‰?˜๋?๋ก?OOM ๋ฐฉ์?)
          
          cd /app
          
          # 3. ๋ธ”๋ฃจ/๊ทธ๋ฆฐ ?€๊ฒ??๋ณ„
          IS_BLUE_RUNNING=$(docker ps --filter "name=ax_hub_mcp_tool-gateway-blue-1" --filter "status=running" -q)
          
          if [ ! -z "$IS_BLUE_RUNNING" ]; then
            echo "Current active color is BLUE. Deploying to GREEN..."
            TARGET="green"
            OLD_TARGET="blue"
          else
            echo "Current active color is GREEN (or none). Deploying to BLUE..."
            TARGET="blue"
            OLD_TARGET="green"
          fi
          
          # 3.5. ๊ณตํ†ต ?ธํ”„??(DB, Redis ?? ๋จผ์? ?„์šฐ๊ธ?(Nginx ?œ์™ธ)
          ACTIVE_PROFILE=dev docker compose up -d redis mci-mock dozzle
          
          # 4. ? ๊ทœ ๋ฒ„์ „(TARGET) ์ปจํ…Œ?ด๋„ˆ ๊ธฐ๋™
          echo "Building and starting $TARGET containers sequentially to prevent OOM..."
          ACTIVE_PROFILE=dev docker compose build gateway-$TARGET
          ACTIVE_PROFILE=dev docker compose build tool-sms-$TARGET
          ACTIVE_PROFILE=dev docker compose build tool-email-$TARGET
          ACTIVE_PROFILE=dev docker compose build tool-other-$TARGET
          ACTIVE_PROFILE=dev docker compose build tool-payment-$TARGET
          
          ACTIVE_PROFILE=dev docker compose up -d gateway-$TARGET
          sleep 5
          ACTIVE_PROFILE=dev docker compose up -d tool-sms-$TARGET
          sleep 5
          ACTIVE_PROFILE=dev docker compose up -d tool-email-$TARGET
          sleep 5
          ACTIVE_PROFILE=dev docker compose up -d tool-other-$TARGET
          sleep 5
          ACTIVE_PROFILE=dev docker compose up -d tool-payment-$TARGET
            
          # 4.5. ?ˆ๊ฑฐ??์ปจํ…Œ?ด๋„ˆ ์ฒ?†Œ (?ฌํŠธ ์ถฉ๋Œ ๋ฐฉ์?, Nginx ?œ์™ธ)
          echo "Finding and killing legacy containers holding our ports..."

          
          # 4.6. Nginx ์ดˆ๊ธฐ ?ค์ • ๋ฐ?๊ธฐ๋™
          mkdir -p ./nginx/conf.d
          echo "Initializing Nginx config to $TARGET..."
          cp ./nginx/${TARGET}.conf ./nginx/conf.d/default.conf
          ACTIVE_PROFILE=dev docker compose up -d nginx
          
          # 5. Health Check (??๋ฒ„์ „???•์ƒ?์œผ๋ก??ด๋Š”์ง€ ?•์ธ)
          echo "Curling gateway locally:"
          curl -sv http://localhost:8081/index.html
          echo "Waiting 30 seconds for services to fully start..."
          sleep 30
          
          # ? ๊ทœ ์ปจํ…Œ?ด๋„ˆ๊ฐ€ ์ฃฝ์? ?Š๊ณ  ?ด์•„?ˆ๋Š”์ง€ ?•์ธ
          IS_TARGET_ALIVE=$(docker ps --filter "name=ax_hub_mcp_tool-gateway-${TARGET}-1" --filter "status=running" -q)
          
          if [ -z "$IS_TARGET_ALIVE" ]; then
            echo "Health Check Failed! $TARGET container crashed. Rollback."
            echo "Rolling back Nginx config to $OLD_TARGET..."
            cp ./nginx/${OLD_TARGET}.conf ./nginx/conf.d/default.conf
            echo "Restarting Nginx to apply rollback..."
            docker compose restart nginx || true
            echo "Stopping failed $TARGET containers..."
            docker compose stop gateway-$TARGET tool-sms-$TARGET tool-email-$TARGET tool-other-$TARGET tool-payment-$TARGET
            exit 1 # ?Œ์ด?„๋ผ???คํŒจ ์ฒ˜๋ฆฌ (๊ตฌ๋ฒ„?„์? ๊ทธ๋?๋ก?? ์???
          fi
          
          # 6. ?ธ๋ž˜???„ํ™˜ (Nginx ?ค์ • ?ค์œ„์น?
          echo "Health Check Passed! Switching traffic to $TARGET..."
          mkdir -p ./nginx/conf.d
          cp ./nginx/${TARGET}.conf ./nginx/conf.d/default.conf
          
          if ! docker compose exec -T nginx nginx -s reload; then
            echo "Nginx reload failed! Rolling back Nginx configuration..."
            cp ./nginx/${OLD_TARGET}.conf ./nginx/conf.d/default.conf
            docker compose exec -T nginx nginx -s reload || true
            echo "Stopping failed $TARGET containers..."
            docker compose stop gateway-$TARGET tool-sms-$TARGET tool-email-$TARGET tool-other-$TARGET tool-payment-$TARGET
            exit 1
          fi
          
          # 7. ๊ตฌ๋ฒ„??์ข…๋ฃŒ
          echo "Traffic switched successfully. Stopping old $OLD_TARGET containers..."
          docker compose stop gateway-$OLD_TARGET tool-sms-$OLD_TARGET tool-email-$OLD_TARGET tool-other-$OLD_TARGET tool-payment-$OLD_TARGET
          
          # ๊ฐ€๋น„์? ์ฒ?†Œ
          docker system prune -f
          docker image prune -f
          
          echo "Blue-Green CI/CD Deploy Success! Currently running: $TARGET"