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/*
 * Copyright (C) 2017-2018 "IoT.bzh"
 * Author Sebastien Douheret <sebastien@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package xdsserver

import (
	"fmt"

	"gerrit.automotivelinux.org/gerrit/src/xds/xds-server/lib/xsapiv1"
	uuid "github.com/satori/go.uuid"
)

// ITARGET interface implementation for standard targets

// TgtStd .
type TgtStd struct {
	*Context
	TgtConfig xsapiv1.TargetConfig
	terminals *Terminals
}

// NewTargetStandard Create a new instance of TgtStd
func NewTargetStandard(ctx *Context) *TgtStd {
	t := TgtStd{
		Context: ctx,
		TgtConfig: xsapiv1.TargetConfig{
			Status: xsapiv1.StatusTgtDisable,
		},
	}
	return &t
}

// NewUID Get a UUID
func (t *TgtStd) NewUID(suffix string) string {
	uuid := uuid.NewV1().String()
	if len(suffix) > 0 {
		uuid += "_" + suffix
	}
	return uuid
}

// Add a new target
func (t *TgtStd) Add(cfg xsapiv1.TargetConfig, terms *Terminals) (*xsapiv1.TargetConfig, error) {
	return t.Setup(cfg, terms)
}

// Delete a target
func (t *TgtStd) Delete() error {
	// nothing to do
	return nil
}

// Setup Setup local project config
func (t *TgtStd) Setup(cfg xsapiv1.TargetConfig, terms *Terminals) (*xsapiv1.TargetConfig, error) {

	if cfg.IP == "" {
		return nil, fmt.Errorf("IP address must be set")
	}

	t.TgtConfig = cfg
	t.terminals = terms

	// FIXME: sanity check test ping IP

	t.TgtConfig.Status = xsapiv1.StatusTgtEnable

	return &t.TgtConfig, nil
}

// GetConfig Get public part of target config
func (t *TgtStd) GetConfig() xsapiv1.TargetConfig {
	// XXX - Need to manually update terminal definition ()
	t.TgtConfig.Terms = (*t.terminals).GetConfigArr()
	return t.TgtConfig
}