# Tests whether the youtubeUnblock builds properly

name: "youtubeUnblock build test"

on:
  push:
    branches: [ "main" ]
    paths-ignore:
      - '.editorconfig'
      - '.gitignore'
      - 'LICENSE'
      - 'README.md'

  pull_request:
    branches: [ "main" ]
    paths-ignore:
      - '.editorconfig'
      - '.gitignore'
      - 'LICENSE'
      - 'README.md'

  workflow_dispatch:

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.gh.outputs.version }}
      sha: ${{ steps.gh.outputs.sha }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: 'openwrt'

      - name: GH
        id: gh
        env:
          REPO: ${{ github.repository }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        shell: bash
        run: |
          echo "version=$(cat youtubeUnblock/Makefile | grep PKG_VERSION | sed 's/PKG_VERSION:=//')" >> $GITHUB_OUTPUT
          if [[ "${{ github.event_name }}" != "pull_request" ]]; then
            echo "sha=$(echo ${GITHUB_SHA::7})" >> $GITHUB_OUTPUT
          else
            echo "sha=$(gh api repos/$REPO/commits/main --jq '.sha[:7]')" >> $GITHUB_OUTPUT
          fi

  build-static:
    needs: prepare
    name: build-static ${{ matrix.arch }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        arch: [x86_64]
        branch: [latest-stable]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Build 
        id: build
        env:
          ARCH: ${{ matrix.arch }}
          VERSION: ${{ needs.prepare.outputs.version }}
          SHA: ${{ needs.prepare.outputs.sha }}
        shell: bash
        run: |
          make -j$(nproc)
          strip -s build/youtubeUnblock
          cp -va build/youtubeUnblock .
          tar -czvf static-youtubeUnblock-$VERSION-$SHA-$PLATFORM.tar.gz youtubeUnblock youtubeUnblock.service README.md

      - name: Upload artifacts
        if: steps.build.outcome == 'success'
        uses: actions/upload-artifact@v4
        with:
          name: static-youtubeUnblock-${{ matrix.arch }}
          path: ./**/static-youtubeUnblock*.tar.gz

  build-kmod:
    needs: prepare
    name: build-kmod ${{ matrix.kernel_version }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - kernel_version: "6.6.52"
            source: "https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.6.52.tar.xz"
            container_version: "24.04"

          - kernel_version: "5.15.167"
            source: "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.167.tar.xz"
            container_version: "24.04"

          - kernel_version: "5.4.284"
            source: "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.284.tar.xz"
            container_version: "24.04"

          - kernel_version: "4.19.322"
            source: "https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.19.322.tar.xz"
            container_version: "24.04"

          - kernel_version: "4.4.302"
            source: "https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.4.302.tar.xz"
            container_version: "24.04"

          - kernel_version: "3.10.108"
            source: "https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.10.108.tar.xz"
            container_version: "16.04"
          
          - kernel_version: "3.0.101"
            source: "https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.0.101.tar.xz"
            container_version: "14.04"
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Restore builder from cache
        id: cache-restore
        uses: actions/cache/restore@v4
        with:
          path: ~/builder.tar
          key: builder-${{ matrix.kernel_version }}

      - name: Load builder from cache
        if: steps.cache-restore.outputs.cache-hit == 'true'
        run: |
          docker import - builder < ~/builder.tar

      - name: Prepare build env
        if: steps.cache-restore.outputs.cache-hit != 'true'
        run: |
          mkdir ~/linux
          pwd
          ls /
          ls ~

      - name: Obtain kernel
        if: steps.cache-restore.outputs.cache-hit != 'true'
        run: |
          cd ~/linux
          wget ${{ matrix.source }} -O kernel.tar.xz -q
          tar -xf kernel.tar.xz
          rm -f kernel.tar.xz
          /bin/bash -c "mv linux-* linux"
          ls
          ls linux

      - name: Install docker
        if: steps.cache-restore.outputs.cache-hit != 'true'
        run: |
          cd ~/linux
          docker pull ubuntu:${{ matrix.container_version }}
          docker container create --name ubu_builder -w / ubuntu:${{ matrix.container_version }} tail -f /dev/null
          docker container start ubu_builder
          docker container exec ubu_builder bash -c "apt update && apt install -y build-essential flex bc bison libelf-dev elfutils libssl-dev"
          docker cp ./linux ubu_builder:/linux

      - name: Build kernel
        if: steps.cache-restore.outputs.cache-hit != 'true'
        run: |
          cd ~/linux
          docker container exec -w /linux ubu_builder bash -c 'make defconfig'
          docker container exec -w /linux ubu_builder bash -c 'make -j $(nproc)'

      - name: Export container
        if: steps.cache-restore.outputs.cache-hit != 'true'
        run: |
          cd ~/linux
          docker container kill ubu_builder
          docker container export ubu_builder > ubu_builder.tar
          docker container rm ubu_builder
          mv ./ubu_builder.tar ~/builder.tar
          docker import - builder < ~/builder.tar

      - name: Save kernel image to cache
        if: steps.cache-restore.outputs.cache-hit != 'true'
        id: cache-save
        uses: actions/cache/save@v4
        with:
          path: ~/builder.tar
          key: builder-${{ matrix.kernel_version }}

      - name: Build kernel module
        id: build
        env:
          VERSION: ${{ needs.prepare.outputs.version }}
          SHA: ${{ needs.prepare.outputs.sha }}
        shell: bash
        run: |
          docker run --rm -v ./:/youtubeUnblock -w /youtubeUnblock builder make kmake KERNEL_BUILDER_MAKEDIR:=/linux
          tar -czvf kmod-youtubeUnblock-$VERSION-$SHA-linux-${{ matrix.kernel_version }}.tar.gz kyoutubeUnblock.ko

      - name: Upload artifacts
        if: steps.build.outcome == 'success'
        uses: actions/upload-artifact@v4
        with:
          name: kmod-youtubeUnblock-linux-${{ matrix.kernel_version }}
          path: ./**/kmod-youtubeUnblock*.tar.gz