/*
Copyright © 2022 Brian Buller <brian@bullercodeworks.com>

*/
package cmd

import (
	"fmt"
	"time"

	"git.bullercodeworks.com/brian/gime/cli"
	"git.bullercodeworks.com/brian/gime/util"
	"git.bullercodeworks.com/brian/go-timertxt"
	"github.com/spf13/cobra"
)

// listCmd represents the list command
var listCmd = &cobra.Command{
	Use:     "list",
	Aliases: []string{"ls", "lsa", "lsd"},
	Short:   "List Timers",
	RunE:    opListTimers,
}

func init() {
	rootCmd.AddCommand(listCmd)

	// Local Flags
	listCmd.Flags().BoolP("all", "a", false, "Include done.txt timers")
	listCmd.Flags().BoolP("done", "d", false, "Only done.txt timers")
}

func opListTimers(cmd *cobra.Command, args []string) error {
	var err error
	var includeArchive bool
	var onlyArchive bool
	//onlyArchive := cmd.CalledAs() == "lsd" || listCmd.Flags().Lookup
	if onlyArchive, err = cmd.Flags().GetBool("done"); err != nil {
		return err
	} else if includeArchive, err = cmd.Flags().GetBool("all"); err != nil {
		return err
	}
	if cmd.CalledAs() == "lsd" {
		onlyArchive = true
	} else if cmd.CalledAs() == "lsa" {
		includeArchive = true
	}

	p := cli.Program{}
	err = p.Initialize()
	if err != nil {
		return err
	}
	if !onlyArchive {
		if err := p.LoadTimerList(); err != nil {
			return err
		}
	}
	if includeArchive || onlyArchive {
		if err := p.LoadDoneList(); err != nil {
			return err
		}
	}
	list := timertxt.NewTimerList()
	if !onlyArchive {
		list = p.TimerList
		if includeArchive {
			for _, tmr := range p.DoneList.GetTimerSlice() {
				list.AddTimer(tmr)
			}
		}
	} else {
		list = p.DoneList
	}
	filter := util.BuildFilterFromArgs(args)
	list = list.Filter(filter)

	dayTotals := make(map[string]time.Duration)
	for _, v := range list.GetTimerSlice() {
		dur := v.FinishDate.Sub(v.StartDate)
		if v.FinishDate.IsZero() {
			dur = time.Now().Sub(v.StartDate)
		}
		dayTotals[v.StartDate.Format("2006/01/02")] += dur
	}
	var oldDayStr, dayStr string
	for _, v := range list.GetTimerSlice() {
		oldDayStr = dayStr
		dayStr = v.StartDate.Format("2006/01/02")
		if dayStr != oldDayStr {
			// TODO:
			wrkDur := util.Round(dayTotals[dayStr])
			fmtStr := dayStr + " ( %.2f )\n"
			fmt.Printf(fmtStr, util.DurationToDecimal(wrkDur))
		}

		fmt.Println("  " + util.TimerToFriendlyString(v))
	}
	return nil
}