package main

import (
	"fmt"

	"github.com/spf13/cobra"

	"skillmgr/internal/config"
	"skillmgr/internal/types"
)

var listCmd = &cobra.Command{
	Use:   "list",
	Short: "列出已安装的 skills 和 commands",
	Long: `显示所有已安装的 skills 和 commands。

示例:
  skillmgr list
  skillmgr list --type skill
  skillmgr list --platform claude
  skillmgr list --global`,
	RunE: func(cmd *cobra.Command, args []string) error {
		itemTypeStr, _ := cmd.Flags().GetString("type")
		platformStr, _ := cmd.Flags().GetString("platform")
		global, _ := cmd.Flags().GetBool("global")

		cfg, err := config.LoadInstallConfig()
		if err != nil {
			return err
		}

		if len(cfg.Installations) == 0 {
			fmt.Println("无已安装的 skills/commands")
			return nil
		}

		// 过滤
		var filtered []types.InstallRecord
		for _, r := range cfg.Installations {
			// 按类型过滤
			if itemTypeStr != "" && string(r.Type) != itemTypeStr {
				continue
			}
			// 按平台过滤
			if platformStr != "" && string(r.Platform) != platformStr {
				continue
			}
			// 按作用域过滤
			if global && r.Scope != types.ScopeGlobal {
				continue
			}
			if !global && cmd.Flags().Changed("global") && r.Scope != types.ScopeProject {
				continue
			}
			filtered = append(filtered, r)
		}

		if len(filtered) == 0 {
			fmt.Println("无匹配的安装记录")
			return nil
		}

		fmt.Println("已安装:")
		for _, r := range filtered {
			fmt.Printf("\n  [%s] %s\n", r.Type, r.Name)
			fmt.Printf("    平台:     %s\n", r.Platform)
			fmt.Printf("    作用域:   %s\n", r.Scope)
			fmt.Printf("    来源:     %s\n", r.SourceRepo)
			fmt.Printf("    路径:     %s\n", r.InstallPath)
			fmt.Printf("    安装于:   %s\n", r.InstalledAt.Format("2006-01-02 15:04:05"))
			if !r.UpdatedAt.Equal(r.InstalledAt) {
				fmt.Printf("    更新于:   %s\n", r.UpdatedAt.Format("2006-01-02 15:04:05"))
			}
		}

		return nil
	},
}

func init() {
	listCmd.Flags().String("type", "", "过滤类型 (skill|command)")
	listCmd.Flags().String("platform", "", "过滤平台 (claude|opencode)")
	listCmd.Flags().BoolP("global", "g", false, "仅显示全局安装")

	rootCmd.AddCommand(listCmd)
}