package cli

import (
	"fmt"
	"os"
	"strings"
	"time"

	"github.com/docker/cli/cli/command/formatter"
	"github.com/docker/go-units"
	"github.com/olekukonko/tablewriter"
)

func shortenID(str string) string {
	return str[:12]
}

func truncate(str string) string {
	return fmt.Sprintf(`"%s"`, formatter.Ellipsis(str, 19))
}

// removeSha remove image sha from a string that are added in some docker outputs
func removeSha(str string) string {
	return strings.Split(str, "@")[0]
}

// humanDuration from docker/cli RunningFor() to be accessable outside of the class
func humanDuration(timestamp int64) string {
	date := time.Unix(timestamp, 0)
	now := time.Now().UTC()
	return units.HumanDuration(now.Sub(date)) + " ago"
}

func createTable(columns []string) *tablewriter.Table {
	table := tablewriter.NewWriter(os.Stdout)
	table.SetHeader(columns)

	// Settings to create very bare tab padded table
	table.SetAutoWrapText(false)
	table.SetAutoFormatHeaders(true)
	table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
	table.SetAlignment(tablewriter.ALIGN_LEFT)
	table.SetCenterSeparator("")
	table.SetColumnSeparator("")
	table.SetRowSeparator("")
	table.SetHeaderLine(false)
	table.SetBorder(false)
	table.SetTablePadding("\t") // pad with tabs
	table.SetNoWhiteSpace(true)
	table.SetColWidth(1)
	return table
}