name: Build and Release for Windows 7

on:
  workflow_dispatch:
  release:
    types: [published]
  push:
    branches:
      - main
    paths:
      # - "**/*.go"
      - "go.mod"
      - "go.sum"
      - ".github/workflows/release-win7.yml"
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      # - "**/*.go"
      - "go.mod"
      - "go.sum"
      - ".github/workflows/release-win7.yml"

jobs:
  prepare:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Go compiler
        uses: actions/setup-go@v5
        with:
          go-version: 'stable'
          check-latest: true

      - name: Download patched Go
        uses: actions/checkout@v4
        with:
          # To change the repository of toolchail, change it here
          repository: 'MetaCubeX/go'
          ref: 'release-branch.go1.23'

      - name: Build patched Go
        run: |
          cd ./src
          . ./all.bash
          cd ${{ github.workspace }}
          mkdir -p patched-go
          rsync -a --exclude 'patched-go' ./ 'patched-go'

      - name: Save patched builder
        uses: actions/cache/save@v4
        with:
          path: patched-go
          key: xray-patched-go-${{ github.sha }}-${{ github.run_number }}

      - name: Restore Cache
        uses: actions/cache/restore@v4
        with:
          path: resources
          key: xray-geodat-

      - name: Update Geodat
        id: update
        uses: nick-fields/retry@v3
        with:
          timeout_minutes: 60
          retry_wait_seconds: 60
          max_attempts: 60
          command: |
            [ -d 'resources' ] || mkdir resources
            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
            for i in "${LIST[@]}"
            do
              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
              FILE_NAME="${INFO[2]}.dat"
              echo -e "Verifying HASH key..."
              HASH="$(curl -sL "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
              if [ -s "./resources/${FILE_NAME}" ] && [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ]; then
                  continue
              else
                  echo -e "Downloading https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat..."
                  curl -L "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat" -o ./resources/${FILE_NAME}
                  echo -e "Verifying HASH key..."
                  [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
                  echo "unhit=true" >> $GITHUB_OUTPUT
              fi
            done

      - name: Save Cache
        uses: actions/cache/save@v4
        if: ${{ steps.update.outputs.unhit }}
        with:
          path: resources
          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}

  build:
    needs: prepare
    permissions:
      contents: write
    strategy:
      matrix:
        include:
          # BEGIN Windows 7
          - goos: windows
            goarch: amd64
            assetname: win7-64
          - goos: windows
            goarch: 386
            assetname: win7-32
          # END Windows 7
      fail-fast: false

    runs-on: ubuntu-latest
    env:
      GOOS: ${{ matrix.goos}}
      GOARCH: ${{ matrix.goarch }}
      CGO_ENABLED: 0
    steps:
      - name: Show workflow information
        run: |
          _NAME=${{ matrix.assetname }}
          echo "GOOS: ${{ matrix.goos }}, GOARCH: ${{ matrix.goarch }}, RELEASE_NAME: $_NAME"
          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV

      - name: Checkout codebase
        uses: actions/checkout@v4
      
      - name: Restore Go builder
        uses: actions/cache/restore@v4
        with:
          path: patched-go
          key: xray-patched-go-${{ github.sha }}-${{ github.run_number }}

      - name: Download dependencies and build Xray
        run: |
          echo "Setup environment..."
          export PATH=$PATH:${{ github.workspace }}/patched-go/bin
          ${{ github.workspace }}/patched-go/bin/go version
          ${{ github.workspace }}/patched-go/bin/go env -w GOPATH=${{ github.workspace }}
          ${{ github.workspace }}/patched-go/bin/go env -w GOROOT=${{ github.workspace }}/patched-go
          echo "Download dependencies..."
          ${{ github.workspace }}/patched-go/bin/go mod download
          echo "Build Xray..."
          mkdir -p build_assets
          ${{ github.workspace }}/patched-go/bin/go clean -v -i $PWD
          rm -f xray xray.exe wxray.exe xray_softfloat
          ${{ github.workspace }}/patched-go/bin/go build -o xray.exe -trimpath -ldflags "-X github.com/xtls/xray-core/core.build=win7-${{ github.ref_name }}-${{ github.sha }} -s -w -buildid=" -v ./main
          ${{ github.workspace }}/patched-go/bin/go build -o wxray.exe -trimpath -ldflags "-H windowsgui -X github.com/xtls/xray-core/core.build=win7-${{ github.ref_name }}-${{ github.sha }} -s -w -buildid=" -v ./main
          echo "Build completed."
          find . -maxdepth 1 -type f -regex './\(wxray\|xray\).exe' -exec mv {} ./build_assets/ \;

      - name: Restore Cache
        uses: actions/cache/restore@v4
        with:
          path: resources
          key: xray-geodat-

      - name: Copy README.md & LICENSE
        run: |
          mv -f resources/* build_assets
          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE

      - name: Create ZIP archive
        if: github.event_name == 'release'
        shell: bash
        run: |
          pushd build_assets || exit 1
          touch -mt $(date +%Y01010000) *
          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
          popd || exit 1
          FILE=./Xray-${{ env.ASSET_NAME }}.zip
          DGST=$FILE.dgst
          for METHOD in {"md5","sha1","sha256","sha512"}
          do
            openssl dgst -$METHOD $FILE | sed 's/([^)]*)//g' >>$DGST
          done

      - name: Change the name
        run: |
          mv build_assets Xray-${{ env.ASSET_NAME }}

      - name: Upload files to Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: Xray-${{ env.ASSET_NAME }}
          path: |
            ./Xray-${{ env.ASSET_NAME }}/*

      - name: Upload binaries to release
        uses: svenstaro/upload-release-action@v2
        if: github.event_name == 'release'
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: ./Xray-${{ env.ASSET_NAME }}.zip*
          tag: ${{ github.ref }}
          file_glob: true