package cmd

import (
	"fmt"
	"os"

	"git.sr.ht/~timharek/yr/cmd/flags"
	"git.sr.ht/~timharek/yr/internal/nominatim"
	"git.sr.ht/~timharek/yr/yr"
	"github.com/spf13/cobra"
)

type forecastH struct {
	isJson bool
	isUTC  bool
	isWeb  bool
	f      *yr.ForecastResult
}

func forecastHelper(cmd *cobra.Command, args []string) *forecastH {
	isJson, err := cmd.Flags().GetBool(flags.JSON)
	cobra.CheckErr(err)
	isUTC, err := cmd.Flags().GetBool(flags.UTC)
	cobra.CheckErr(err)
	isWeb, err := cmd.Flags().GetBool(flags.WEB)
	cobra.CheckErr(err)
	lon, _ := cmd.Flags().GetFloat64(flags.LON)
	lat, _ := cmd.Flags().GetFloat64(flags.LAT)

	c, err := yr.New()
	cobra.CheckErr(err)

	if len(args) == 0 && (lon == 0 || lat == 0) {
		fmt.Fprintln(os.Stderr, "No location or coordinates provided.")
		os.Exit(1)
	}
	f := &yr.ForecastResult{}
	if len(args) == 0 {
		f, err = c.ForecastCoords(&nominatim.Coordinates{Longitude: lon, Latitude: lat}, nil)
		cobra.CheckErr(err)
	} else {
		location := args[0]
		f, err = c.Forecast(location)
		cobra.CheckErr(err)
	}

	return &forecastH{
		isJson,
		isUTC,
		isWeb,
		f,
	}
}