name: Build

on:
  push:
    branches:
      - master
    tags:
      - 'v*'

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    env:
      OPENWRT_VERSION: 23.05.5

    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000

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

      - name: Set environment variables
        run: |
          echo "GIT_HASH=`git rev-parse --short HEAD`" >> $GITHUB_ENV
          cat $GITHUB_ENV

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: network=host # Important to access local Docker registry

      - name: Login into Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          provenance: false
          platforms: |
            linux/x86_64
            linux/arm64
          build-args: | 
            OPENWRT_VERSION=${{ env.OPENWRT_VERSION }}
            BUILDKIT_MULTI_PLATFORM=1
          tags: |
            albrechtloh/openwrt-docker:openwrt-${{ env.OPENWRT_VERSION }}-${{ env.GIT_HASH }}
            albrechtloh/openwrt-docker:latest
            localhost:5000/local/openwrt-docker:latest

      - name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/local/openwrt-docker:latest

      - name: Login to Weidmueller wmucdev
        uses: docker/login-action@v3
        with:
          registry: wmucdev.azurecr.io
          username: ${{ secrets.WMUCDEV_USERNAME }}
          password: ${{ secrets.WMUCDEV_TOKEN }}

      - name: Create Weidmueller u-OS app
        id: create_u-os-app
        run: |
          # uc-aom-packager accept only version that has to be greater than the previous one. Lets use the datetime to ensure that.
          DATETIME=$(date "+%Y%m%d%H%M%S")

          # uc-aom-packager allow only decimal numbers as version number for an unkonwn reason
          # see https://github.com/weidmueller/uc-addon/blob/main/uc-manifest.schema-doc.md#version)
          # So lets convert the git hash into a decimal value
          GIT_HASH_DECIMAL=$((16#$GIT_HASH))

          # Create app version
          APP_VERSION=$OPENWRT_VERSION.$DATETIME-$GIT_HASH_DECIMAL

          echo "***** Create manifest from template *****"
          mv u-os-app/manifest.json.template u-os-app/manifest.json
          sed -i 's/APPVERSION_TO_INSERT/'"$APP_VERSION"'/g' u-os-app/manifest.json
          cat u-os-app/manifest.json | grep version
        
          echo "***** Run uc-aom-packager to create the u-OS app *****"
          # uc-aom-packager accepts only multiarch images. "--build-arg BUILDKIT_MULTI_PLATFORM=1" has to set to ensure that.
          # uc-aom-packager needs to Docker registry credentials in a clear text file. Because of security concerns we use a local registry without credentials here.

          docker run --rm --network=host --pull=always \
          --mount src=$(pwd)/u-os-app,target=/tmp/u-os-app-openwrt,type=bind wmucdev.azurecr.io/u-control/uc-aom-packager:0 \
          uc-aom-packager push \
          -m /tmp/u-os-app-openwrt \
          -s /tmp/u-os-app-openwrt/source-credentials.json \
          -t /tmp/u-os-app-openwrt/target-credentials.json \
          -v

          echo "***** Create SWU app file*****"
          docker run --rm --network=host --pull=always \
          --mount src=$(pwd)/u-os-app,target=/tmp/u-os-app-openwrt,type=bind wmucdev.azurecr.io/u-control/uc-aom-packager:0 \
          uc-aom-packager \
          export \
          -t /tmp/u-os-app-openwrt/target-credentials.json \
          --version $APP_VERSION \
          -o /tmp/u-os-app-openwrt/u-os-app-openwrt_$APP_VERSION.swu \
          -v

          find u-os-app/

      - name: Archive artifacts (OpenWrt u-OS app)
        if: always() && steps.create_u-os-app.outcome == 'success'
        uses: actions/upload-artifact@v4
        with:
          name: OpenWrt u-OS app
          path: u-os-app/u-os-app-openwrt_*.swu/linux-arm64/*.swu
          if-no-files-found: error