// Copyright © 2019 NAME HERE <EMAIL ADDRESS>
//
// 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 cmd

import (
	"git.psu.edu/k8s/devtool/config"
	"git.psu.edu/k8s/devtool/environment"
	"github.com/fatih/color"
	"github.com/spf13/cobra"
)

// buildCmd represents the build command
var ciBuildCmd = &cobra.Command{
	Use:   "build",
	Short: "build the application within the CI system",
	RunE: func(cmd *cobra.Command, args []string) error {
		conf, err := config.New(configFile)
		if err != nil {
			color.New(color.FgRed).PrintFunc()("Error reading configuration file: %s", configFile)
			return err
		}

		err = buildCiDocker(conf)
		if err != nil {
			color.Red("Failed to build docker image.")
			return err
		}
		return nil
	},
}

func init() {
	ciCmd.AddCommand(ciBuildCmd)

	// Here you will define your flags and configuration settings.

	// Cobra supports Persistent Flags which will work for this command
	// and all subcommands, e.g.:
	// buildCmd.PersistentFlags().String("foo", "", "A help for foo")

	// Cobra supports local flags which will only run when this command
	// is called directly, e.g.:
	// buildCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")

}

func buildCiDocker(config config.Config) error {
	color.Blue("Building Docker Containers")

	for _, deployable := range config.Deployables {
		dockerfile := deployable.Dockerfile
		image := deployable.Name

		dockerImage := dockerRegistry + "/" + dockerRegistryNamespace + "/" + image
		dockerTag := dockerImage + ":" + imageTag

		color.New(color.FgGreen).PrintFunc()("Building: ", dockerTag)
		err := environment.Run(true, "docker", "build", "-t", dockerTag, "-f", dockerfile, ".")
		if err != nil {
			return err
		}

		color.New(color.FgGreen).PrintFunc()("Pushing Docker image: ", dockerTag)
		err = environment.Run(true, "docker", "push", dockerImage)
		if err != nil {
			return err
		}
	}
	return nil
}