name: Build Kernels
on:
  workflow_dispatch:
  workflow_call:
    inputs:
      runner:
        required: true
        type: string
      uploading:
        type: string
      artifacts:
        type: string
        required: false
      reference:
        type: string
      packagesrepo:
        required: false
        type: string
    secrets:
      GPG_KEY1:
        required: true
      GPG_PASSPHRASE1:
        required: true
      GPG_KEY2:
        required: true
      GPG_PASSPHRASE2:
        required: true
      SCRIPTS_ACCESS_TOKEN:
        required: true
      KEY_TORRENTS:
        required: true
      KNOWN_HOSTS_UPLOAD:
        required: true
jobs:

  Prepare:

    name: Build
    if: ${{ github.repository_owner == 'Armbian' }}
    runs-on: ${{ inputs.runner }}
    outputs:
      matrix: ${{steps.list_dirs.outputs.matrix}}
    steps:

      - name: Runner prepare
        uses: armbian/actions/runner-prepare@main

      - run: |

          REFERENCE=${{ inputs.reference }}
          echo "REFERENCE=${REFERENCE:-"nightly"}" >> $GITHUB_ENV
          PACKAGESREPO=${{ inputs.packagesrepo }}
          echo "BETA=${PACKAGESREPO:-yes}" >> $GITHUB_ENV

      - name: Remove previous artefacts if any
        run: |

          sudo rm -rf changes 2>/dev/null || true

      - name: Download changes
        uses: actions/download-artifact@v3.0.2
        with:
          name: changes

      - name: Determine changed kernels
        id: list_dirs
        run: |

          echo "matrix=$(for x in $(cat changes 2>/dev/null); do echo $x; done|jq -cnR '[inputs | select(length>0)]' | jq -c)" >> $GITHUB_OUTPUT

  gcc:

    needs: [ Prepare ]
    runs-on: ${{ inputs.runner }}
    if: ${{ needs.Prepare.outputs.matrix != '[]' && needs.Prepare.outputs.matrix != '' }}
    timeout-minutes: 480
    strategy:
      fail-fast: false
      matrix:
        node: ${{fromJson(needs.Prepare.outputs.matrix)}}

    steps:

      - name: Runner prepare
        uses: armbian/actions/runner-prepare@main

      - run: |

          REFERENCE=${{ inputs.reference }}
          echo "REFERENCE=${REFERENCE:-"nightly"}" >> $GITHUB_ENV
          PACKAGESREPO=${{ inputs.packagesrepo }}
          echo "BETA=${PACKAGESREPO:-yes}" >> $GITHUB_ENV

      - name: "Read"
        run: |

          INPUT_REFERENCE=${{ inputs.reference }}
          INPUT_REFERENCE=${INPUT_REFERENCE:-"nightly"}

      - name: Checkout Armbian build script
        uses: actions/checkout@v3.3.0
        with:
          repository: armbian/build
          path: build
          fetch-depth: 0
          ref:  ${{ env.REFERENCE }}
          clean: false
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout support scripts
        uses: actions/checkout@v3.3.0
        with:
          fetch-depth: 0
          repository: armbian/scripts
          path: scripts
          clean: false
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Install SSH key for storage
        if: ${{ inputs.uploading == 'true' }}
        uses: shimataro/ssh-key-action@v2
        with:
          key: ${{ secrets.KEY_TORRENTS }}
          known_hosts: ${{ secrets.KNOWN_HOSTS_UPLOAD }}
          if_key_exists: replace

      - name: Mount upload folders
        if: ${{ inputs.uploading == 'true' }}
        run: |

          # use this only on our runners
          if [[ ${{ inputs.runner }} != "ubuntu-latest" ]]; then
          # mount deploy target
          [[ -z $(command -v sshfs) ]] && sudo apt-get -yy install sshfs
          sudo mkdir -p /root/.ssh/
          sudo cp ~/.ssh/known_hosts /root/.ssh/
          sudo mkdir -p build/output/debs || true
          sudo mkdir -p build/output/debs-beta || true
          sudo sshfs upload@users.armbian.com:/debs build/output/debs -o IdentityFile=~/.ssh/id_rsa -o reconnect -o allow_other || true
          sudo sshfs upload@users.armbian.com:/debs build/output/debs -o IdentityFile=~/.ssh/id_rsa -o reconnect -o nonempty,allow_other || true
          sudo sshfs upload@users.armbian.com:/debs-beta build/output/debs-beta -o IdentityFile=~/.ssh/id_rsa -o reconnect -o allow_other || true
          sudo sshfs upload@users.armbian.com:/debs-beta build/output/debs-beta -o IdentityFile=~/.ssh/id_rsa -o reconnect,allow_other -o allow_other || true
          fi

      - name: Sync
        run: |

          sudo mkdir -p build/userpatches build/cache/hash build/cache/hash-beta
          sudo rm -f build/userpatches/targets.conf
          sudo cp scripts/configs/* build/userpatches/
          sudo rm -r build/cache/hash/* build/cache/hash-beta/* 2> /dev/null || true

      - name: Pull Docker image
        run: |

          [[ -z $(command -v docker) ]] && sudo apt-get -yy install docker containerd docker.io
          sudo docker kill $(sudo docker ps -q) 2>/dev/null || true
          sudo docker image rm $(sudo docker images | grep -v latest"-$(dpkg --print-architecture)" | awk 'NR>1 {print $3}') 2> /dev/null || true 
          sudo docker pull ghcr.io/armbian/build:latest"-$(dpkg --print-architecture)"

      - name: Build
        run: |

          cd build

          if [[ $(curl -s http://ifconfig.me) == "93.103.15.56" ]]; then
             sudo mkdir -p cache/toolchain cache/rootfs || true
             ! sudo mountpoint -q cache/toolchain && sudo mount nas:/tank/armbian/toolchain.armbian.com cache/toolchain -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
          fi

          if [[ $(curl -s http://ifconfig.me) == "188.227.12.36" ]]; then
              sudo mkdir -p cache/toolchain cache/rootfs || true
              sudo rm -rf cache/toolchain/* cache/rootfs/*
              ! sudo mountpoint -q cache/toolchain && sudo mount --bind /mnt/armbian/cache/toolchain/ cache/toolchain -o rsize=32768,wsize=32768,timeo=5,retrans=2,actimeo=60,retry=15 || true
          fi

          CHUNK="${{ matrix.node }}"
          BOARD=$(echo $CHUNK | cut -d":" -f4)
          BRANCH=$(echo $CHUNK | cut -d":" -f3)
          FAMILY=$(echo $CHUNK | cut -d":" -f2)
          export TERM=dumb

          sudo sed -i "s/-it --rm/-i --rm/" userpatches/config-docker.conf
          [[ ! -f .ignore_changes ]] && sudo touch .ignore_changes
          ./compile.sh docker \
          ARMBIAN_MIRROR="https://github.com/armbian/mirror/releases/download/" \
          REPOSITORY_INSTALL="u-boot,armbian-bsp-cli,armbian-bsp-desktop,armbian-desktop,armbian-config,armbian-firmware" \
          BOARD="$BOARD" \
          CLEAN_LEVEL="make,oldcache" \
          PRIVATE_CCACHE="yes" \
          BETA="${{ env.BETA }}" \
          KERNEL_ONLY="yes" \
          BRANCH="$BRANCH" \
          USE_MAINLINE_GOOGLE_MIRROR="yes" \
          KERNEL_CONFIGURE="no" \
          EXPERT="yes"

          if [[ $? -eq 0 ]]; then
              mkdir -p ../build-kernel
              sudo cp cache/hash-beta/*.git* ../build-kernel/ 2> /dev/null || true
              echo "FILE_HASH=$(ls -1 cache/hash-beta/*.githash | head -1)"  >> $GITHUB_ENV
              echo "FILE_NAME=${BRANCH}-${FAMILY}" >> $GITHUB_ENV
              echo "UPLOAD=true" >> $GITHUB_ENV
          fi

      - name: Upload hash
        if: ${{ env.UPLOAD == 'true' && inputs.uploading == 'true' && env.FILE_HASH != '' }}
        uses: actions/upload-artifact@v3
        with:
          name: hash
          if-no-files-found: ignore
          path: build/${{ env.FILE_HASH }}

      - name: Upload build artifacts
        if: ${{ env.UPLOAD == 'true' && inputs.artifacts == 'true' && env.FILE_HASH != '' && github.event_name == 'pull_request' }}
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.FILE_NAME }}
          path: build/output/debs-beta/linux-*${{ env.FILE_NAME }}*
          if-no-files-found: ignore
          retention-days: 30

#      - name: Runner prepare
#        uses: armbian/actions/runner-prepare@main

  clean:
    needs: [ gcc ]
    runs-on: ${{ inputs.runner }}
    if: ${{ github.event_name == 'pull_request' }}
    steps:

      - name: Delete control artefact
        uses: geekyeggo/delete-artifact@v2
        with:
          name: changes