package main

import (
	"fmt"
	"os"
	"os/exec"
	"sync"
	"time"

	"github.com/gen2brain/beeep"
)

// Run will take the config file and for each task, run a go routine
func TaskRun(c Config) {
	var wg sync.WaitGroup

	for i := range c.Tasks {
		title := c.Tasks[i].TaskName
		interval := c.Tasks[i].Interval
		asset := c.Tasks[i].Icon

		var desc string
		// check if desc is empty and use the cmd output, if not just get the desc
		if c.Tasks[i].TaskDesc == "" {
			desc = TaskCMD(c.Tasks[i])
		} else {
			desc = c.Tasks[i].TaskDesc
		}

		//run the commands with go func()!
		wg.Add(1)
		go func() {
			fmt.Printf("%s has time interval %d\n", title, interval)
			for range time.Tick(time.Second * interval) {
				err := beeep.Notify(title, desc, asset)
				if err != nil {
					fmt.Fprintf(os.Stderr, "ERROR: could not display \"%s\":\n\t%s\n", title, err)
				}
			}

			wg.Done()
		}()
	}
	wg.Wait()
}

// TaskCMD will take in a Task, run the command with bash and return the string output
func TaskCMD(t Task) (output string) {
	command := t.CMD

	if command == " " {
		fmt.Printf("INFO: Task %s has the cmd section empty. Will just return...\n", t.TaskName)
		return
	}

	out, err := exec.Command("bash", "-c", command).Output()
	if err != nil {
		fmt.Fprintf(os.Stderr, "ERROR: could not run command \"%s\":\n\t%s\n", command, err)
	}
	return string(out)
}