name: 'npm依赖安装与缓存'
description: '自动缓存和安装npm依赖，支持多种包管理器'
branding:
  icon: 'package'
  color: 'blue'

inputs:
  package-manager:
    description: '包管理器类型 (npm, pnpm, yarn)'
    required: false
    default: 'npm'
  

  cache-prefix:
    description: '缓存前缀名称'
    required: false
    default: 'modules'
  
  node-modules-path:
    description: 'node_modules目录路径'
    required: false
    default: 'node_modules'
  
  force-install:
    description: '是否强制安装 (true/false)'
    required: false
    default: 'false'
  
  enable-git-stash:
    description: '安装后是否执行git stash (true/false)'
    required: false
    default: 'false'
  
  install-command:
    description: '自定义安装命令（可选，会覆盖默认命令）'
    required: false
    default: ''
  
  cache-hash:
    description: '缓存hash值（推荐使用hashFiles计算）'
    required: false
    default: ""

outputs:
  cache-hit:
    description: '是否命中缓存 (true/false)'
    value: ${{ steps.cache.outputs.cache-hit }}
  
  cache-key:
    description: '使用的缓存key'
    value: ${{ steps.cache-key.outputs.key }}

runs:
  using: 'composite'
  steps:
    - name: 生成缓存key
      id: cache-key
      shell: bash
      env:
        FALLBACK_HASH: ${{ hashFiles('package.json') }}
      run: |
        # 确定使用的hash值
        if [[ -n "${{ inputs.cache-hash }}" && "${{ inputs.cache-hash }}" != "" ]]; then
          CACHE_HASH="${{ inputs.cache-hash }}"
          echo "✅ 使用用户传入的hash值"
        elif [[ -n "${FALLBACK_HASH}" && "${FALLBACK_HASH}" != "" ]]; then
          CACHE_HASH="${FALLBACK_HASH}"
          echo "📝 未提供hash，使用package.json作为fallback"
        else
          CACHE_HASH=""
          echo "⚠️ 警告: 无法获取hash值，使用默认值"
        fi
        
        # 截取hash的前12位
        if [[ -n "${CACHE_HASH}" && "${CACHE_HASH}" != "" ]]; then
          CACHE_HASH_SHORT=$(echo "${CACHE_HASH}" | head -c 12)
          echo "✅ 成功计算缓存hash: ${CACHE_HASH_SHORT}"
        else
          CACHE_HASH_SHORT="no-hash"
          echo "⚠️ 使用默认hash值: ${CACHE_HASH_SHORT}"
        fi
        
        CACHE_KEY="${{ runner.os }}-${{ inputs.cache-prefix }}-${CACHE_HASH_SHORT}"
        echo "key=${CACHE_KEY}" >> $GITHUB_OUTPUT
        echo "使用hash: ${CACHE_HASH}"
        echo "缓存key: ${CACHE_KEY}"

    - name: 拉取缓存依赖
      id: cache
      uses: actions/cache@v4
      with:
        path: ${{ inputs.node-modules-path }}
        key: ${{ steps.cache-key.outputs.key }}
        restore-keys: |
          ${{ runner.os }}-${{ inputs.cache-prefix }}-

    - name: 显示缓存状态
      shell: bash
      run: |
        if [[ "${{ steps.cache.outputs.cache-hit }}" == "true" ]]; then
          echo "✅ 缓存命中，跳过依赖安装"
        else
          echo "⚠️ 缓存未命中，开始安装依赖"
        fi

    - name: 安装依赖
      if: steps.cache.outputs.cache-hit != 'true'
      shell: bash
      run: |
        # 如果提供了自定义安装命令，使用自定义命令
        if [[ -n "${{ inputs.install-command }}" ]]; then
          echo "🔧 使用自定义安装命令: ${{ inputs.install-command }}"
          ${{ inputs.install-command }}
        else
          # 根据包管理器选择安装命令
          case "${{ inputs.package-manager }}" in
            "npm")
              if [[ "${{ inputs.force-install }}" == "true" ]]; then
                echo "🔧 使用npm强制安装"
                npm install --force
              else
                echo "🔧 使用npm安装"
                npm install
              fi
              ;;
            "pnpm")
              if [[ "${{ inputs.force-install }}" == "true" ]]; then
                echo "🔧 使用pnpm强制安装"
                pnpm install --force
              else
                echo "🔧 使用pnpm安装"
                pnpm install
              fi
              ;;
            "yarn")
              if [[ "${{ inputs.force-install }}" == "true" ]]; then
                echo "🔧 使用yarn强制安装"
                yarn install --force
              else
                echo "🔧 使用yarn安装"
                yarn install
              fi
              ;;
            *)
              echo "❌ 不支持的包管理器: ${{ inputs.package-manager }}"
              exit 1
              ;;
          esac
        fi
        
        echo "✅ 依赖安装完成"

    - name: 执行Git Stash
      if: steps.cache.outputs.cache-hit != 'true' && inputs.enable-git-stash == 'true'
      shell: bash
      run: |
        echo "🔄 执行git stash..."
        git stash
        echo "✅ git stash完成"

    - name: 安装总结
      shell: bash
      run: |
        echo "📦 依赖安装总结:"
        echo "  - 包管理器: ${{ inputs.package-manager }}"
        echo "  - 缓存命中: ${{ steps.cache.outputs.cache-hit }}"
        echo "  - 缓存key: ${{ steps.cache-key.outputs.key }}"
        if [[ "${{ steps.cache.outputs.cache-hit }}" != "true" ]]; then
          echo "  - 强制安装: ${{ inputs.force-install }}"
          echo "  - Git Stash: ${{ inputs.enable-git-stash }}"
        fi