package main

import (
	"flag"
	"fmt"
	"net/http"
	"os"

	"git.algo.com.cn/public/saasapi"
	"git.algo.com.cn/public/saasapi/pkg/saashttp"
	"google.golang.org/protobuf/encoding/protojson"
)

type grantDeleteParams struct {
	srtaAccountId uint32
	grantIndex    string
	ds            uint32
	saasHttp      *saashttp.SaasClient
}

func RunGrantDelete(args ...string) error {
	fs := flag.NewFlagSet("delete", flag.ExitOnError)
	cfgFile := paramConfig(fs)
	dsid := paramRawDataSpaceId(fs)
	srtaAccountId := paramSrtaAccountId(fs)
	grantIndex := paramGrantIndex(fs)

	if err := fs.Parse(args); err != nil {
		fmt.Fprintln(os.Stderr, "command line parse error", "err", err)
		return err
	}

	if fs.NArg() > 0 {
		fs.PrintDefaults()
		return nil
	}

	if *dsid == 0 {
		fmt.Fprintln(os.Stderr, "Error: data space ID is required")
		fs.PrintDefaults()
		return fmt.Errorf("data space ID is required")
	}

	if *srtaAccountId == 0 {
		fmt.Fprintln(os.Stderr, "Error: sRTA account ID is required")
		fs.PrintDefaults()
		return fmt.Errorf("sRTA account ID is required")
	}

	if *grantIndex == "" {
		fmt.Fprintln(os.Stderr, "Error: grant index is required")
		fs.PrintDefaults()
		return fmt.Errorf("grant index is required")
	}

	cfg, err := LoadConfigFile(*cfgFile)
	if err != nil {
		fmt.Fprintln(os.Stderr, "LoadConfigFile error", "err", err)
		return err
	}

	grantDeleteParams := grantDeleteParams{
		srtaAccountId: uint32(*srtaAccountId),
		grantIndex:    *grantIndex,
		ds:            uint32(*dsid),
		saasHttp: &saashttp.SaasClient{
			Client:  &http.Client{},
			ApiUrls: saashttp.InitAPIUrl(&cfg.ApiUrls),
			Auth:    &cfg.Auth,
		},
	}

	return doGrantDelete(grantDeleteParams)
}

func doGrantDelete(params grantDeleteParams) error {
	saasReq := &saasapi.SaasReq{
		Cmd: &saasapi.SaasReq_GrantDelete{
			GrantDelete: &saasapi.Grant{
				TargetAccountId: params.srtaAccountId,
				GrantIndex:      params.grantIndex,
				DataspaceId:     params.ds,
			},
		},
	}

	res, err := params.saasHttp.GrantDelete(saasReq)
	if err != nil {
		fmt.Fprintln(os.Stderr, "submit Grant Delete error", "err", err)
		return err
	}

	if res.Code != saasapi.ErrorCode_SUCC {
		fmt.Fprintln(os.Stderr, "Grant delete failed", "code", res.Code, "status", res.Status)
		return nil
	}

	grantRes := res.GetGrantDeleteRes()
	fmt.Printf("grant delete res: %v\n", protojson.Format(grantRes))
	return nil
}