name: Build fnOS FPK

on:
  workflow_dispatch:
  ## 发布release的时候会自动构建
  release:
    types: [published]

permissions:
  contents: write

jobs:
  build-fnos-fpk:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          persist-credentials: false

      - name: Check version
        id: check_version
        run: |
          echo $GITHUB_REF
          # 如果是tag，则去掉refs/tags/前缀（与其他 release workflow 一致，版本号取 tag 名）
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            echo "It's a tag"
            echo "version=$(echo $GITHUB_REF | awk -F '/' '{print $3}')" >> $GITHUB_OUTPUT
          else
            # 手动触发（workflow_dispatch）：读不到 tag，使用 manifest 内维护的版本
            echo "It's not a tag"
            echo "version=$(grep '^version=' packaging/fnos/manifest | cut -d= -f2)" >> $GITHUB_OUTPUT
          fi

      - name: Setup Node
        uses: actions/setup-node@v2
        with:
          node-version: '22'

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install build tools
        run: |
          pip install pillow
          # fnpack：飞牛官方打包 CLI（静态二进制）
          curl -fsSL -o /usr/local/bin/fnpack \
            https://static2.fnnas.com/fnpack/fnpack-1.2.3-linux-amd64
          chmod +x /usr/local/bin/fnpack

      - name: Build FPK
        env:
          FPK_VERSION: ${{ steps.check_version.outputs.version }}
        run: |
          bash packaging/fnos/build.sh
          test -f packaging/fnos/langbot.fpk

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: langbot-${{ steps.check_version.outputs.version }}-fnos
          path: packaging/fnos/langbot.fpk

      - name: Upload To Release
        # 仅 release 触发时执行；手动/workflow_dispatch 触发时没有 release，
        # 且 github.event.release.tag_name 为空（否则 gh release upload 缺参数报错）
        if: github.event_name == 'release'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # tag 可能已带 -fnos 后缀（如 v4.10.9-fnos），产物名统一为
          # langbot-<基础版本>-fnos.fpk，避免出现 -fnos-fnos
          VER="${{ steps.check_version.outputs.version }}"
          BASE="${VER#v}"; BASE="${BASE%-fnos}"
          cp packaging/fnos/langbot.fpk "langbot-${BASE}-fnos.fpk"
          gh release upload ${{ github.event.release.tag_name }} "langbot-${BASE}-fnos.fpk"