func doConfigure()

in agent/session/plugin/config/configure.go [64:167]
86 lines of code
22 McCabe index (conditional complexity)

func doConfigure(ctx *cli.Context, profileName string, mode string) error {
	w := ctx.Writer()

	conf, err := hookLoadConfiguration(LoadConfiguration)(GetConfigPath2())
	if err != nil {
		return err
	}

	if profileName == "" {
		if conf.CurrentProfile == "" {
			profileName = "default"
		} else {
			profileName = conf.CurrentProfile
			originMode := string(conf.GetCurrentProfile(ctx).Mode)
			if mode == "" {
				mode = originMode
			} else if mode != originMode {
				cli.Printf(w, "Warning: You are changing the authentication type of profile '%s' from '%s' to '%s'\n", profileName, originMode, mode)
			}
		}
	}
	if mode == "" {
		mode = "AK"
	}
	cp, ok := conf.GetProfile(profileName)
	if !ok {
		cp = conf.NewProfile(profileName)
	}

	cli.Printf(w, "Configuring profile '%s' in '%s' authenticate mode...\n", profileName, mode)

	if mode != "" {
		switch AuthenticateMode(mode) {
		case AK:
			cp.Mode = AK
			configureAK(w, &cp, ctx)
		case StsToken:
			cp.Mode = StsToken
			configureStsToken(w, &cp, ctx)
		case RamRoleArn:
			cp.Mode = RamRoleArn
			configureRamRoleArn(w, &cp, ctx)
		case EcsRamRole:
			cp.Mode = EcsRamRole
			configureEcsRamRole(w, &cp)
		case RamRoleArnWithEcs:
			cp.Mode = RamRoleArnWithEcs
			configureRamRoleArnWithEcs(w, &cp)
		case RsaKeyPair:
			cp.Mode = RsaKeyPair
			configureRsaKeyPair(w, &cp)
		case External:
			cp.Mode = External
			configureExternal(w, &cp)
		case CredentialsURI:
			cp.Mode = CredentialsURI
			configureCredentialsURI(w, &cp)
		default:
			return fmt.Errorf("unexcepted authenticate mode: %s", mode)
		}
	} else {
		configureAK(w, &cp, ctx)
	}

	ak, _ := AccessKeyIdFlag(ctx.Flags()).GetValue()
	if ak == "" {
		// configure common
		cli.Printf(w, "Default Region Id [%s]: ", cp.RegionId)
		cp.RegionId = ReadInput(cp.RegionId)
		cli.Printf(w, "Default Output Format [%s]: json (Only support json)\n", cp.OutputFormat)

		// cp.OutputFormat = ReadInput(cp.OutputFormat)
		cp.OutputFormat = "json"

		cli.Printf(w, "Default Language [zh|en] %s: ", cp.Language)

		cp.Language = ReadInput(cp.Language)
		if cp.Language != "zh" && cp.Language != "en" {
			cp.Language = "en"
		}
	} else {
		region, _ := RegionFlag(ctx.Flags()).GetValue()
		if region != "" {
			cp.RegionId = region
		}
	}

	//fmt.Printf("User site: [china|international|japan] %s", cp.Site)
	//cp.Site = ReadInput(cp.Site)

	cli.Printf(w, "Saving profile[%s] ...", profileName)

	conf.PutProfile(cp)
	conf.CurrentProfile = cp.Name
	err = hookSaveConfiguration(SaveConfiguration)(conf)

	if err != nil {
		return err
	}
	cli.Printf(w, "Done.\n")

	// DoHello(ctx, &cp)
	return nil
}