name: Build Packages

on:
  workflow_dispatch:

env:
  TZ: Europe/Madrid
  PACKAGES: >-
    luci-app-tailscale
    uci-usb-gadget
    luci-app-usb-gadget

jobs:
  build:
    runs-on: ubuntu-22.04

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

    - name: Resolve latest stable OpenWrt 25.12.x tag
      id: resolve
      run: |
        VERSION=$(git ls-remote --tags https://git.openwrt.org/openwrt/openwrt.git 'v25.12.*' \
          | grep -oP 'v25\.12\.\d+$' | sort -V | tail -1)
        if [ -z "$VERSION" ]; then
          echo "ERROR: Could not resolve a stable OpenWrt 25.12.x version"
          exit 1
        fi
        echo "Resolved OpenWrt version: $VERSION"
        echo "OPENWRT_VERSION=$VERSION" >> $GITHUB_ENV

    - name: Initialization environment
      env:
        DEBIAN_FRONTEND: noninteractive
      run: |
        sudo rm -rf /etc/apt/sources.list.d/* /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
        sudo docker image prune --all --force
        sudo -E apt-get -qq update
        sudo -E ./devenv/dependencies.sh
        sudo -E apt-get -qq autoremove --purge
        sudo -E apt-get -qq clean
        sudo timedatectl set-timezone "$TZ"

    - name: Clone OpenWrt source code
      run: |
        echo "Using OpenWrt ${{ env.OPENWRT_VERSION }}"
        git clone https://git.openwrt.org/openwrt/openwrt.git openwrt
        git -C openwrt checkout ${{ env.OPENWRT_VERSION }}

    - name: Load msm89xx target and packages
      run: |
        chmod +x apply_patches.sh
        ./apply_patches.sh openwrt
        mv msm89xx openwrt/target/linux/msm89xx
        mv packages openwrt/package/msm8916

    - name: Update and install feeds
      run: |
        cd openwrt
        rm -rf tmp
        ./scripts/feeds update -a
        ./scripts/feeds install -a

    - name: Configure and download
      run: |
        cd openwrt
        cp ../diffconfig_uz801 .config
        echo "CONFIG_PACKAGE_tailscale=y" >> .config
        echo "CONFIG_PACKAGE_luci-app-tailscale=y" >> .config
        make defconfig
        make download -j8
        find dl -size -1024c -exec rm -f {} \; || true

    - name: Build toolchain and dependencies
      run: |
        cd openwrt
        make tools/install -j$(nproc)
        make toolchain/install -j$(nproc)
        make target/linux/compile -j$(nproc) V=s

    - name: Build packages
      run: |
        cd openwrt
        for pkg in $PACKAGES; do
          make package/${pkg}/compile -j$(nproc) V=s
        done
        echo "FILE_DATE=$(date +"%Y%m%d%H%M")" >> $GITHUB_ENV

    - name: Collect artifacts
      run: |
        mkdir -p artifacts
        for pkg in $PACKAGES; do
          find openwrt/bin/packages -name "${pkg}*.apk" -exec cp {} artifacts/ \;
        done

    - name: Upload packages
      uses: actions/upload-artifact@v4
      with:
        name: packages_${{ env.OPENWRT_VERSION }}_${{ env.FILE_DATE }}
        path: artifacts/