package weatherbot

import (
	"fmt"
	"log"
	"strings"
	"text/template"
)

const todayTemplate = `Today's Weather:
    Conditions: {{range .Weather}} {{.Description}} {{end}}
    Morning   Temp: {{.Temp.Morn}} F, Feels like {{.FeelsLike.Morn}} F
    Daytime   Temp: {{.Temp.Day}} F, Feels like {{.FeelsLike.Day}} F
    Evening   Temp: {{.Temp.Eve}} F, Feels like {{.FeelsLike.Eve}} F
    LateNight Temp: {{.Temp.Night}} F, Feels like {{.FeelsLike.Night}} F
`

func TodayToReport(today Daily) string {
	var report strings.Builder
	tmpl, err := template.New("today").Parse(todayTemplate)
	if err != nil {
		log.Fatal(err)
	}
	if today.Rain > 0 {
		fmt.Fprintf(&report, "Might rain today (Rain == %v)\n", today.Rain)
	}
	if today.WindSpeed > 12.00 {
		fmt.Fprintf(&report, "Seems pretty windy today (WindSpeed == %v)\n", today.WindSpeed)
	}
	if today.Humidity > 80.0 {
		fmt.Fprintf(&report, "High humidity today! (Humidity == %v)\n", today.Humidity)
	}
	if err := tmpl.Execute(&report, today); err != nil {
		log.Fatal(err)
	}
	return report.String()
}