name: Profile Linker Docker Build

on:
  push:
    branches: [dev, main]
  pull_request:
    branches: [dev, main]

env:
  APP_NAME: NEW_APP_NAME
  REGISTRY_USERNAME: ${{ vars.REGISTRY_USERNAME }}
  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_TOKEN }}

jobs:
  deploy:
    runs-on: ubuntu-latest
    env:
      BRANCH_NAME: ${{ gitea.ref_name }}

    name: Build and push Docker image

    steps:
      - name: Install required packages
        run: |
          if command -v apk >/dev/null 2>&1; then
            apk add --no-cache nodejs npm git docker
          elif command -v apt-get >/dev/null 2>&1; then
            apt-get update && apt-get install -y nodejs npm git docker.io
          fi

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

      - name: Set deployment variables
        id: vars
        run: |
          BRANCH="$BRANCH_NAME"
          if [[ "$BRANCH" == "main" ]]; then
            tag="latest"
          elif [[ "$BRANCH" == "dev" ]]; then
            tag="dev"
          else
            tag="test"
          fi

          # Extract APP_NAME from .env file if it exists
          if [ -f .env ]; then
            APP_NAME=$(grep APP_NAME .env | cut -d '=' -f2)
          fi

          echo "tag=$tag" >> $GITEA_OUTPUT
          echo "app_name=$APP_NAME" >> $GITEA_OUTPUT

      # Login to Docker Hub before building to allow pulling base images
      - name: Login to Docker Hub
        run: |
          echo "$REGISTRY_PASSWORD" | docker login -u "$REGISTRY_USERNAME" --password-stdin

      # Pull base images explicitly before building
      - name: Pull base images
        run: |
          docker pull node:20-alpine
          docker pull python:3.11-alpine

      - name: Build Docker image
        run: |
          APP_NAME="${{ steps.vars.outputs.app_name }}"
          TAG="${{ steps.vars.outputs.tag }}"
          
          # Build with no-cache to avoid authentication issues
          docker build --no-cache -t docker.io/$REGISTRY_USERNAME/$APP_NAME:$TAG \
                     -t docker.io/$REGISTRY_USERNAME/$APP_NAME:${{ gitea.sha }} \
                     -f ./backend/Dockerfile \
                     .

      - name: Push Docker image
        if: gitea.event_name != 'pull_request'
        run: |
          APP_NAME="${{ steps.vars.outputs.app_name }}"
          TAG="${{ steps.vars.outputs.tag }}"
          
          docker push docker.io/$REGISTRY_USERNAME/$APP_NAME:$TAG
          docker push docker.io/$REGISTRY_USERNAME/$APP_NAME:${{ gitea.sha }}
          
          echo "=== 🏗️ Build Summary ==="
          echo "📦 Image Built: docker.io/$REGISTRY_USERNAME/$APP_NAME:${{ gitea.sha }}"
          echo "====================="