package main

import (
	"flag"
	"fmt"
	"os"
	"time"

	"github.com/pelletier/go-toml/v2"
)

const defaultTimerPath = ".timer.toml"

func main() {
	flag.Parse()

	var timerPath string
	if arg := flag.Arg(0); arg == "" {
		timerPath = defaultTimerPath
	} else {
		timerPath = arg
	}
	timerFile, err := os.Open(timerPath)
	if err != nil {
		fmt.Printf("Can't open %s. Got error: %s", timerPath, err.Error())
		os.Exit(1)
	}

	var timerTable map[string]map[string]int64
	if err := toml.NewDecoder(timerFile).Decode(&timerTable); err != nil {
		fmt.Printf("Can't decode %s. Got error: %s", timerPath, err.Error())
		os.Exit(1)
	}

	users := make(map[string]time.Duration)

	for _, entries := range timerTable {
		for user, duration := range entries {
			users[user] += time.Duration(int64(time.Second) * duration)
		}
	}

	for user, duration := range users {
		fmt.Printf("%s: %v\n", user, duration)
	}

}