name: Build & Push Docker Image

on:
  push:
    branches: [main, master]
    tags: ['v*']
  workflow_dispatch:
    inputs:
      api_url:
        description: 'API URL for frontend build'
        required: false
        default: 'http://ut.khoavo.myds.me:8981/api'
        type: string

env:
  REGISTRY: git.khoavo.myds.me
  IMAGE: git.khoavo.myds.me/vndangkhoa/kv-tube

jobs:
  build:
    runs-on: docker
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker info
        run: docker info

      - name: Log into registry
        run: echo "${{ secrets.FORGEJO_PASSWORD }}" | docker login ${{ env.REGISTRY }} -u ${{ secrets.FORGEJO_USERNAME }} --password-stdin

      - name: Determine tags
        id: tags
        run: |
          SHA_SHORT=$(echo ${GITHUB_SHA} | cut -c1-7)
          TAGS="${{ env.IMAGE }}:${SHA_SHORT}"
          if [ "${GITHUB_REF}" = "refs/heads/main" ] || [ "${GITHUB_REF}" = "refs/heads/master" ]; then
            TAGS="${TAGS},${{ env.IMAGE }}:main"
          fi
          if echo "${GITHUB_REF}" | grep -q "refs/tags/v"; then
            VERSION=${GITHUB_REF#refs/tags/v}
            TAGS="${TAGS},${{ env.IMAGE }}:${VERSION},${{ env.IMAGE }}:latest"
          fi
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT
          echo "Building tags: ${TAGS}"

      - name: Build and push
        run: |
          TAG_ARGS=""
          IFS=',' read -ra TAG_ARRAY <<< "${{ steps.tags.outputs.tags }}"
          for tag in "${TAG_ARRAY[@]}"; do
            TAG_ARGS="${TAG_ARGS} -t ${tag}"
          done
          echo "docker build ${TAG_ARGS} --build-arg NEXT_PUBLIC_API_URL=... ."
          docker build \
            ${TAG_ARGS} \
            --build-arg NEXT_PUBLIC_API_URL=${{ github.event.inputs.api_url || 'http://ut.khoavo.myds.me:8981/api' }} \
            .
          for tag in "${TAG_ARRAY[@]}"; do
            echo "Pushing ${tag}..."
            docker push "${tag}"
          done

      - name: Verify
        run: docker images | grep kv-tube