name: Create Release on Tag

on:
  push:
    tags:
      - "v*.*.*"
  workflow_call:
    inputs:
      tag_name:
        required: true
        type: string

jobs:
  generate-config:
    runs-on: ubuntu-latest
    outputs:
      job-config: ${{ steps.generate-config.outputs.job-config }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.16.0'

      - name: Get OpenWRT version from tag
        id: get_version
        run: |
          if [ "${{ github.event_name }}" == "workflow_call" ]; then
            echo "VERSION=${{ inputs.tag_name }}" >> $GITHUB_ENV
            echo "VERSION=${VERSION#v}" >> $GITHUB_ENV
          else
            echo "VERSION=${GITHUB_REF/refs\/tags\/v/}" >> $GITHUB_ENV
          fi

      - name: Install dependencies
        run: npm install

      - name: Generate Job Config
        id: generate-config
        run: node index.js ${{ env.VERSION }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  build:
    name: "v${{ matrix.build_env.tag }} - ${{ matrix.build_env.pkgarch}} :: ${{ matrix.build_env.target}}/${{ matrix.build_env.subtarget}} build"
    runs-on: ubuntu-latest
    needs: generate-config
    strategy:
      matrix:
        build_env: ${{ fromJson(needs.generate-config.outputs.job-config) }}
      fail-fast: false

    steps:
      - name: Checkout AWG source code
        uses: actions/checkout@v4

      - name: Cache OpenWrt SDK
        id: cache-sdk
        uses: actions/cache@v4
        env:
          cache-name: "cache-sdk-${{ matrix.build_env.tag }}-${{ matrix.build_env.target}}-${{ matrix.build_env.subtarget}}"
        with:
          path: openwrt-sdk-*/
          key: ${{ runner.os }}-sdk-${{ env.cache-name }}

      - name: Download and extract OpenWrt SDK
        if: steps.cache-sdk.outputs.cache-hit != 'true'
        run: |
          echo "pkgarch: ${{ matrix.build_env.pkgarch}}, target:${{ matrix.build_env.target}}, subtarget: ${{ matrix.build_env.subtarget}}"

          # Get the actual SDK filename from the directory listing
          SDK_FILE=$(curl -s "https://downloads.openwrt.org/releases/${{ matrix.build_env.tag }}/targets/${{ matrix.build_env.target}}/${{ matrix.build_env.subtarget}}/" | grep -o "openwrt-sdk-${{ matrix.build_env.tag }}-${{ matrix.build_env.target}}-${{ matrix.build_env.subtarget}}_gcc-[^\"]*_musl\.Linux-x86_64\.tar\.[xz|zst]*" | head -n1)
          
          if [ -z "$SDK_FILE" ]; then
            echo "SDK file not found for ${{ matrix.build_env.tag }} ${{ matrix.build_env.target}} ${{ matrix.build_env.subtarget}}"
            exit 1
          fi
          
          SDK_DOWNLOAD_URL="https://downloads.openwrt.org/releases/${{ matrix.build_env.tag }}/targets/${{ matrix.build_env.target}}/${{ matrix.build_env.subtarget}}/${SDK_FILE}"
          echo "Downloading SDK: $SDK_DOWNLOAD_URL"
          
          wget "$SDK_DOWNLOAD_URL"
          
          # Extract based on file extension
          if [[ "$SDK_FILE" == *.tar.zst ]]; then
            tar --zstd -xf "$SDK_FILE"
          elif [[ "$SDK_FILE" == *.tar.xz ]]; then
            tar -xf "$SDK_FILE"
          else
            echo "Unknown archive format: $SDK_FILE"
            exit 1
          fi
          
          rm "$SDK_FILE"

      - name: Setup SDK and feeds
        run: |
          # Find SDK directory
          SDK_DIR=$(find . -maxdepth 1 -name "openwrt-sdk-*" -type d | head -n1)
          
          if [ -z "$SDK_DIR" ]; then
            echo "SDK directory not found"
            exit 1
          fi
          
          # Get absolute paths
          WORKSPACE_DIR=$(pwd)
          SDK_FULL_PATH="$WORKSPACE_DIR/$SDK_DIR"
          
          cd "$SDK_DIR"
          
          # Copy current repository packages to SDK using absolute paths
          mkdir -p feeds/awgopenwrt
          cp -r "$WORKSPACE_DIR/kmod-amneziawg" feeds/awgopenwrt/
          cp -r "$WORKSPACE_DIR/amneziawg-tools" feeds/awgopenwrt/
          cp -r "$WORKSPACE_DIR/luci-proto-amneziawg" feeds/awgopenwrt/
          
          # Create feed index
          echo "src-link awgopenwrt $(pwd)/feeds/awgopenwrt" >> feeds.conf.default
          ./scripts/feeds update awgopenwrt
          ./scripts/feeds install -a -p awgopenwrt
          
          # Configure packages to build
          echo "CONFIG_PACKAGE_kmod-amneziawg=m" > .config
          echo "CONFIG_PACKAGE_amneziawg-tools=y" >> .config
          echo "CONFIG_PACKAGE_luci-proto-amneziawg=y" >> .config
          
          make defconfig

      - name: Build AmneziaWG packages
        run: |
          # Find SDK directory
          SDK_DIR=$(find . -maxdepth 1 -name "openwrt-sdk-*" -type d | head -n1)
          cd "$SDK_DIR"

          echo "Building AmneziaWG packages..."

          # Build kmod-amneziawg (kernel module)
          echo "Building kmod-amneziawg..."
          make package/kmod-amneziawg/{download,prepare} V=s || true
          make package/kmod-amneziawg/compile V=s || true

          # Build luci-proto-amneziawg (web interface)
          echo "Building luci-proto-amneziawg..."
          make package/luci-proto-amneziawg/{download,prepare} V=s
          make package/luci-proto-amneziawg/compile V=s

          # Build amneziawg-tools (userspace tools)
          echo "Building amneziawg-tools..."
          make package/amneziawg-tools/{download,prepare} V=s
          make package/amneziawg-tools/compile V=s

      - name: Prepare artifacts
        run: |
          # Find SDK directory
          SDK_DIR=$(find . -maxdepth 1 -name "openwrt-sdk-*" -type d | head -n1)
          
          mkdir -p awgrelease
          postfix="v${{ matrix.build_env.tag }}_${{ matrix.build_env.pkgarch}}_${{ matrix.build_env.target}}_${{ matrix.build_env.subtarget}}"
          
          # Copy built packages
          find "$SDK_DIR/bin/packages" -name "amneziawg-tools_*.ipk" -exec cp {} awgrelease/amneziawg-tools_${postfix}.ipk \; || echo "amneziawg-tools package not found"
          find "$SDK_DIR/bin/packages" -name "luci-proto-amneziawg_*.ipk" -exec cp {} awgrelease/luci-proto-amneziawg_${postfix}.ipk \; || echo "luci-proto-amneziawg package not found"
          find "$SDK_DIR/bin/targets" -name "kmod-amneziawg_*.ipk" -exec cp {} awgrelease/kmod-amneziawg_${postfix}.ipk \; || echo "kmod-amneziawg package not found"
          
          echo "Built packages:"
          ls -la awgrelease/

      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          files: awgrelease/*.ipk