// cmd/soft/install.go
package soft

import (
	"fmt"
	"sunhpc/internal/auth"
	"sunhpc/internal/log"
	"sunhpc/internal/soft"

	"github.com/spf13/cobra"
)

var (
	installType  string // --type, -t
	srcPath      string // --src-path, -s
	binPath      string // --bin-path, -b
	prefix       string // --prefix, -p
	version      string // --version, -v
	forceInstall bool   // --force, -f
	dryRun       bool   // --dry-run, -n
	keepSource   bool   // --keep-source, -k
	jobs         int    // --jobs, -j
	offlineMode  bool   // --offline, -o
)

var installCmd = &cobra.Command{
	Use:   "install <software>",
	Short: "安装软件",
	Long: `安装指定的软件包，支持多种安装方式。

安装类型:
  source   - 从源码编译安装
  binary   - 从二进制压缩包安装
  rpm      - 通过 RPM 包管理器安装
  deb      - 通过 APT 包管理器安装

示例:
  sunhpc soft install vasp --type source --src-path /tmp/vasp.tar.gz
  sunhpc soft install openmpi --type binary --bin-path openmpi.tar.gz -p /opt/openmpi
  sunhpc soft install htop --type rpm --force
  sunhpc soft install nginx --type deb --dry-run`,
	Args: cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		if err := auth.RequireRoot(); err != nil {
			return err
		}

		software := args[0]

		if dryRun {
			log.Infof("[干运行] 将要安装 %s", software)
			log.Infof("  安装类型: %s", installType)
			if srcPath != "" {
				log.Infof("  源码路径: %s", srcPath)
			}
			if binPath != "" {
				log.Infof("  二进制包: %s", binPath)
			}
			if prefix != "" {
				log.Infof("  安装路径: %s", prefix)
			}
			return nil
		}

		ctx := &soft.InstallContext{
			Force:      forceInstall,
			DryRun:     dryRun,
			KeepSource: keepSource,
			Jobs:       jobs,
			Offline:    offlineMode,
		}

		switch installType {
		case "source":
			return soft.InstallFromSource(software, srcPath, prefix, version, ctx)
		case "binary":
			return soft.InstallFromBinary(software, binPath, prefix, ctx)
		case "rpm", "deb":
			return soft.InstallFromPackage(software, installType, ctx)
		default:
			return fmt.Errorf("不支持的安装类型: %s", installType)
		}
	},
}

func init() {
	// 必选参数
	installCmd.Flags().StringVarP(&installType, "type", "t", "", "安装类型: source/binary/rpm/deb")
	installCmd.MarkFlagRequired("type")

	// 路径参数
	installCmd.Flags().StringVarP(&srcPath, "src-path", "s", "", "源码路径或URL")
	installCmd.Flags().StringVarP(&binPath, "bin-path", "b", "", "二进制压缩包路径")
	installCmd.Flags().StringVarP(&prefix, "prefix", "p", "/opt/sunhpc/software", "安装路径")

	// 版本参数
	installCmd.Flags().StringVarP(&version, "version", "v", "", "软件版本号")

	// 行为控制
	installCmd.Flags().BoolVarP(&forceInstall, "force", "f", false, "强制安装，覆盖已有版本")
	installCmd.Flags().BoolVarP(&dryRun, "dry-run", "n", false, "仅显示将要执行的操作")
	installCmd.Flags().BoolVarP(&keepSource, "keep-source", "k", false, "保留源码文件")
	installCmd.Flags().IntVarP(&jobs, "jobs", "j", 4, "编译线程数")
	installCmd.Flags().BoolVarP(&offlineMode, "offline", "o", false, "离线模式，不联网下载")

	// 参数互斥
	installCmd.MarkFlagsMutuallyExclusive("src-path", "bin-path")
	installCmd.MarkFlagsOneRequired("src-path", "bin-path")
}