package ls

import (
	"fmt"
	"strings"

	"github.com/spf13/cobra"
	"gitlink.org.cn/cloudream/jcs-pub/jcsctl/cmd"
)

func init() {
	var opt option
	c := &cobra.Command{
		Use:   "ls [bucket_name]/[package_name]:[object_path]",
		Short: "download package all files to local disk",
		Args:  cobra.MaximumNArgs(1),
		RunE: func(c *cobra.Command, args []string) error {
			ctx := cmd.GetCmdCtx(c)
			return ls(c, ctx, opt, args)
		},
	}
	c.Flags().Int64Var(&opt.BucketID, "bid", 0, "bucket id, if set, you should not set any path")
	c.Flags().Int64Var(&opt.PackageID, "pid", 0, "package id, if set, you should not set <bucket_name>/<package_name>")
	c.Flags().BoolVarP(&opt.Recursive, "recursive", "r", false, "list all files in package recursively, only valid when list in a package")
	c.Flags().BoolVarP(&opt.Long, "long", "l", false, "show more details")
	cmd.RootCmd.AddCommand(c)
}

type option struct {
	Long      bool
	BucketID  int64
	PackageID int64
	Recursive bool
}

func ls(c *cobra.Command, ctx *cmd.CommandContext, opt option, args []string) error {
	if opt.PackageID != 0 {
		objPath := ""
		if len(args) > 0 {
			objPath = args[0]
		}

		return lsObject(ctx, opt, "", "", objPath)
	}

	if opt.BucketID != 0 {
		if len(args) > 0 {
			return fmt.Errorf("list package objects is not supported when use bucket id")
		}

		return lsPackage(ctx, opt, "")
	}

	if len(args) == 0 {
		return lsBucket(ctx, opt)
	}

	comps := strings.SplitN(args[0], ":", 2)
	if len(comps) > 1 {
		objPath := comps[1]

		comps = strings.SplitN(comps[0], "/", 2)
		if len(comps) != 2 {
			return fmt.Errorf("invalid path format, should be <bucket_name>/<package_name>:<object_path>")
		}

		return lsObject(ctx, opt, comps[0], comps[1], objPath)
	}

	comps = strings.SplitN(args[0], "/", 2)
	if len(comps) == 1 {
		return lsPackage(ctx, opt, comps[0])
	}

	return lsObject(ctx, opt, comps[0], comps[1], "")
}