name: Build Custom WRT

on:
  workflow_dispatch:
    inputs:
      project:
        description: "选择 WRT 项目"
        required: true
        default: "immortalwrt"
        type: choice
        options:
          - openwrt
          - immortalwrt
          - x-wrt
          - lienol
          - lede
      version_type:
        description: "版本类型"
        required: true
        default: "stable"
        type: choice
        options:
          - "snapshot"
          - "stable"
      branch:
        description: "snapshot-branch"
        required: false
        default: "master"
        type: string
      tag:
        description: "stable-tag"
        required: false
        default: "v24.10.2"
        type: string
      config_path:
        description: "config路径"
        required: true
        default: "config/myconfig"
        type: string

jobs:
  build:
    runs-on: ubuntu-latest

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

      - name: Determine Git ref
        id: refinfo
        run: |
          if [ "${{ inputs.version_type }}" = "snapshot" ]; then
            echo "ref=${{ inputs.branch }}" >> $GITHUB_OUTPUT
          else
            echo "ref=${{ inputs.tag }}" >> $GITHUB_OUTPUT
          fi

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            build-essential clang flex bison g++ gawk gettext git \
            libncurses-dev libssl-dev python3 python3-dev python3-setuptools \
            rsync unzip zlib1g-dev file wget curl \
            gzip tar zip xz-utils bzip2 zstd \
            make cmake autoconf automake libtool patch diffutils \
            findutils grep sed help2man texinfo \
            libelf-dev libfuse-dev liblzma-dev libxml2-dev libyaml-dev \
            uuid-dev device-tree-compiler antlr3 gperf \
            time bc jq xxd swig upx-ucl ccache ecj fastjar imagemagick

      - name: Determine Git URL
        id: projectinfo
        run: |
          case "${{ inputs.project }}" in
            immortalwrt)
              echo "url=https://github.com/immortalwrt/immortalwrt.git" >> $GITHUB_OUTPUT
              ;;
            x-wrt)
              echo "url=https://github.com/x-wrt/x-wrt.git" >> $GITHUB_OUTPUT
              ;;
            openwrt)
              echo "url=https://git.openwrt.org/openwrt/openwrt.git" >> $GITHUB_OUTPUT
              ;;
            lienol)
              echo "url=https://github.com/Lienol/openwrt.git" >> $GITHUB_OUTPUT
              ;;
            lede)
              echo "url=https://github.com/coolsnowwolf/lede.git" >> $GITHUB_OUTPUT
              ;;
            *)
              echo "❌ 未知项目: ${{ inputs.project }}" >&2
              exit 1
              ;;
          esac

      - name: Clone selected WRT source
        run: |
          echo "📥 克隆 ${{ inputs.project }} 仓库，ref=${{ steps.refinfo.outputs.ref }}"
          git clone --branch "${{ steps.refinfo.outputs.ref }}" \
            "${{ steps.projectinfo.outputs.url }}" wrt

      - name: Copy diy.sh to WRT
        run: |
          echo "📂 复制 diy.sh 到 wrt 目录"
          cp diy.sh wrt/diy.sh

      - name: Run diy.sh
        working-directory: wrt
        run: |
          echo "🔧 执行 diy.sh"
          chmod +x diy.sh
          ./diy.sh

      - name: Update and install feeds
        working-directory: wrt
        run: |
          echo "📦 更新 feeds"
          ./scripts/feeds update -a
          echo "📦 安装 feeds"
          ./scripts/feeds install -a

      - name: Setup configuration
        run: |
          echo "📋 复制配置：${{ inputs.config_path }} → wrt/.config"
          if [ ! -f "${{ inputs.config_path }}" ]; then
            echo "❌ 找不到配置文件：${{ inputs.config_path }}"
            exit 1
          fi
          cp "${{ inputs.config_path }}" wrt/.config
          cd wrt
          echo "🔄 运行 make oldconfig"
          make oldconfig

      - name: Download source packages
        working-directory: wrt
        run: |
          echo "⬇️ 下载所有源码包"
          make download -j8

      - name: Build Firmware
        working-directory: wrt
        run: |
          JOBS=$(nproc)
          echo "🚀 全量编译（并行 ${JOBS}）开始"
          START=$(date "+%Y-%m-%d %H:%M:%S")
          echo "⏱️ 编译开始：${START}"
          if ! time make world -j${JOBS} 2>&1 | tee build.log; then
            echo "❌ 编译失败，输出最后 100 行日志："
            grep error ./build.log
            exit 1
          fi
          END=$(date "+%Y-%m-%d %H:%M:%S")
          echo "✅ 编译成功"
          echo "⏱️ 结束：${END}"

      - name: Upload firmware artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.project }}-output
          path: |
            wrt/bin/targets/**/*.{img,bin,tar.gz,zip}

      - name: Upload build log
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.project }}-build-log
          path: wrt/build.log