package cmd

/*
Copyright © 2020 Jean-Marc Meessen, ON4KJM <on4kjm@gmail.com>

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.
*/

//Documentation of SOTA CSV format: https://www.sotadata.org.uk/en/upload/activator/csv/info 

import (
	"fmt"
	"github.com/spf13/cobra"
)

var outputCsvFilename string
var isOverwriteCsv bool

// csvCmd is executed when choosing the csv option (load FLE file and generate csv file)
var csvCmd = &cobra.Command{
	Use:   "csv",
	Short: "Generates a SOTA .csv file based on a FLE type shorthand logfile.",
	// 	Long: `A longer description that spans multiple lines and likely contains examples
	// and usage of using your command. For example:

	Run: func(cmd *cobra.Command, args []string) {
		processCsvCommand()
	},
}

func init() {
	rootCmd.AddCommand(csvCmd)

	csvCmd.PersistentFlags().BoolVarP(&isOverwriteCsv, "overwrite", "", false, "Overwrites the output file if it exisits")
	csvCmd.PersistentFlags().StringVarP(&outputCsvFilename, "output", "o", "", "Output filename")
}

func processCsvCommand() {

	verifiedOutputFilename, filenameWasOK := buildOutputFilename(outputCsvFilename, inputFilename, isOverwriteCsv, ".csv")

	// if the output file could not be parsed correctly do noting
	if filenameWasOK {
		loadedLogFile, isLoadedOK := loadFile()

		//TODO: move this in a function so that it can be more easily tested
		if isLoadedOK {
			if len(loadedLogFile) == 0 {
				fmt.Println("No useful data read. Aborting...")
				return
			}

			//check if we have the necessary information for the type
			if loadedLogFile[0].MySOTA == "" {
				fmt.Println("Missing MY-SOTA reference. Aborting...")
				return
			}

			outputCsv(verifiedOutputFilename, loadedLogFile)
		}
	}
}