package clocks

import (
	"time"

	"github.com/olebedev/config"
	"github.com/senorprogrammer/wtf/wtf"
)

// Config is a pointer to the global config object
var Config *config.Config

type Widget struct {
	wtf.TextWidget

	clockColl ClockCollection
}

func NewWidget() *Widget {
	widget := Widget{
		TextWidget: wtf.NewTextWidget(" 🕗 World Clocks ", "clocks", false),
	}

	widget.clockColl = widget.buildClockCollection(Config.UMap("wtf.mods.clocks.locations"))

	return &widget
}

/* -------------------- Exported Functions -------------------- */

func (widget *Widget) Refresh() {
	if widget.Disabled() {
		return
	}

	widget.View.Clear()
	widget.display(widget.clockColl.Sorted())
	widget.RefreshedAt = time.Now()
}

/* -------------------- Unexported Functions -------------------- */

func (widget *Widget) buildClockCollection(locData map[string]interface{}) ClockCollection {
	clockColl := ClockCollection{}

	for label, locStr := range locData {
		timeLoc, err := time.LoadLocation(locStr.(string))
		if err != nil {
			continue
		}

		clockColl.Clocks = append(clockColl.Clocks, NewClock(label, timeLoc))
	}

	return clockColl
}