package arpansagovau

import (
	"fmt"

	"github.com/rivo/tview"
	"github.com/wtfutil/wtf/view"
)

type Widget struct {
	view.TextWidget
	location  *location
	lastError error
	settings  *Settings
}

func NewWidget(app *tview.Application, settings *Settings) *Widget {
	locationData, err := GetLocationData(settings.city)
	widget := Widget{
		TextWidget: view.NewTextWidget(app, settings.common),
		location:   locationData,
		lastError:  err,
		settings:   settings,
	}

	widget.View.SetWrap(true)

	return &widget
}

func (widget *Widget) content() (string, string, bool) {

	locationData, err := GetLocationData(widget.settings.city)
	widget.location = locationData
	widget.lastError = err

	if widget.lastError != nil {
		return widget.CommonSettings().Title, fmt.Sprintf("Err: %s", widget.lastError.Error()), true
	}

	return widget.CommonSettings().Title, formatLocationData(widget.location), true
}

func (widget *Widget) Refresh() {

	widget.Redraw(widget.content)
}

func formatLocationData(location *location) string {
	var level string
	var color string
	var content string

	if location.name == "" {
		return "[red]No data?"
	}

	if location.status != "ok" {
		content = "[red]Data unavailable for "
		content += location.name
		return content
	}

	switch {
	case location.index < 2.5:
		color = "[green]"
		level = " (LOW)"
	case location.index >= 2.5 && location.index < 5.5:
		color = "[yellow]"
		level = " (MODERATE)"
	case location.index >= 5.5 && location.index < 7.5:
		color = "[orange]"
		level = " (HIGH)"
	case location.index >= 7.5 && location.index < 10.5:
		color = "[red]"
		level = " (VERY HIGH)"
	case location.index >= 10.5:
		color = "[fuchsia]"
		level = " (EXTREME)"
	}

	content = "Location: "
	content += location.name
	content += "\nUV index: "
	content += color
	content += fmt.Sprintf("%.2f", location.index)
	content += level
	content += "[white]\nLocal time: "
	content += location.time
	content += " "
	content += location.date
	content += "\nDetector status: "
	content += location.status

	return content
}