package putp

import (
	"fmt"
	"os"
	"path"
	"path/filepath"
	"strconv"
	"strings"
	"time"

	"github.com/inhies/go-bytesize"
	"github.com/spf13/cobra"
	"gitlink.org.cn/cloudream/common/pkgs/iterator"
	"gitlink.org.cn/cloudream/common/sdks"
	cliapi "gitlink.org.cn/cloudream/jcs-pub/client/sdk/api/v1"
	clitypes "gitlink.org.cn/cloudream/jcs-pub/client/types"
	"gitlink.org.cn/cloudream/jcs-pub/common/ecode"
	"gitlink.org.cn/cloudream/jcs-pub/jcsctl/cmd"
)

func init() {
	var opt option
	c := &cobra.Command{
		Use:   "putp <local_path> <bucket_name>/<package_name>",
		Short: "upload local files to a package",
		Args:  cobra.ExactArgs(2),
		RunE: func(c *cobra.Command, args []string) error {
			ctx := cmd.GetCmdCtx(c)
			return putp(c, ctx, opt, args)
		},
	}
	c.Flags().BoolVar(&opt.UseID, "id", false, "treat the second argument as package id")
	c.Flags().StringVar(&opt.Prefix, "prefix", "", "add prefix to every uploaded file")
	c.Flags().BoolVar(&opt.Create, "create", false, "create package if not exists")
	c.Flags().Int64Var(&opt.Affinity, "affinity", 0, "affinity user space of the package")
	cmd.RootCmd.AddCommand(c)
}

type option struct {
	UseID    bool
	Prefix   string
	Create   bool
	Affinity int64
}

func putp(c *cobra.Command, ctx *cmd.CommandContext, opt option, args []string) error {
	absLocal, err := filepath.Abs(args[0])
	if err != nil {
		return err
	}

	local, err := os.Stat(absLocal)
	if err != nil {
		return err
	}

	var pkgID clitypes.PackageID
	if opt.UseID {
		id, err := strconv.ParseInt(args[1], 10, 64)
		if err != nil {
			return err
		}
		pkgID = clitypes.PackageID(id)

		_, err = ctx.Client.Package().Get(cliapi.PackageGet{
			PackageID: pkgID,
		})
		if err != nil {
			return err
		}

	} else {
		comps := strings.Split(args[1], "/")
		if len(comps) != 2 {
			return fmt.Errorf("invalid package name")
		}

		pkg, err := ctx.Client.Package().GetByFullName(cliapi.PackageGetByFullName{
			BucketName:  comps[0],
			PackageName: comps[1],
		})
		if err != nil {
			if !sdks.IsErrorCode(err, string(ecode.DataNotFound)) {
				return err
			}

			if !opt.Create {
				return fmt.Errorf("package not found")
			}

			bkt, err := ctx.Client.Bucket().GetByName(cliapi.BucketGetByName{
				Name: comps[0],
			})
			if err != nil {
				return fmt.Errorf("get bucket %v: %w", comps[0], err)
			}

			cpkg, err := ctx.Client.Package().Create(cliapi.PackageCreate{
				BucketID: bkt.Bucket.BucketID,
				Name:     comps[1],
			})
			if err != nil {
				return fmt.Errorf("create package %v: %w", args[1], err)
			}

			pkgID = cpkg.Package.PackageID
		} else {
			pkgID = pkg.Package.PackageID
		}
	}

	if !local.IsDir() {
		file, err := os.Open(absLocal)
		if err != nil {
			return err
		}
		defer file.Close()

		info, err := file.Stat()
		if err != nil {
			return err
		}

		pat := filepath.Base(absLocal)
		if opt.Prefix != "" {
			pat = path.Join(opt.Prefix, pat)
		}

		fmt.Printf("%v\n", pat)

		startTime := time.Now()

		_, err = ctx.Client.Object().Upload(cliapi.ObjectUpload{
			Info: cliapi.ObjectUploadInfo{
				PackageID: pkgID,
				Affinity:  clitypes.UserSpaceID(opt.Affinity),
			},
			Files: iterator.Array(&cliapi.UploadingObject{
				Path: pat,
				File: file,
			}),
		})
		if err != nil {
			return fmt.Errorf("upload file %v: %w", pat, err)
		}

		dt := time.Since(startTime)
		fmt.Printf("size: %v, time: %v, speed: %v/s\n", bytesize.ByteSize(info.Size()), dt, bytesize.ByteSize(int64(float64(info.Size())/dt.Seconds())))
		return nil
	}

	iter := &FileIterator{
		absRootPath: absLocal,
		jpathRoot:   clitypes.PathFromJcsPathString(opt.Prefix),
	}

	startTime := time.Now()
	_, err = ctx.Client.Object().Upload(cliapi.ObjectUpload{
		Info: cliapi.ObjectUploadInfo{
			PackageID: pkgID,
			Affinity:  clitypes.UserSpaceID(opt.Affinity),
		},
		Files: iter,
	})
	if err != nil {
		if !iter.lastStartTime.IsZero() {
			fmt.Printf("\tx\n")
		}
		return fmt.Errorf("upload files: %w", err)
	}
	dt := time.Since(startTime)
	if !iter.lastStartTime.IsZero() {
		fileDt := time.Since(iter.lastStartTime)
		fmt.Printf("\t%v\n", fileDt)
	}
	fmt.Printf("%v files, total size: %v, time: %v, speed: %v/s\n", iter.fileCount, bytesize.ByteSize(iter.totalSize), dt, bytesize.ByteSize(int64(float64(iter.totalSize)/dt.Seconds())))
	return nil
}