Various improvments to structs, added godotenv to handle variable info

cmd/client/main.go

@@ -7,27 +7,95 @@ import (
 	"os"
 	"strings"
 	"sync"
+
+	"github.com/joho/godotenv"
 )
 
+const version string = "0.1.0"
+
+type weatherMain struct {
+	Temp      float32 `json:"temp"`
+	FeelsLike float32 `json:"feels_like"`
+	HighTemp  float32 `json:"temp_max"`
+	LowTemp   float32 `json:"temp_min"`
+	Pressure  uint    `json:"pressure"`
+	Humidity  uint    `json:"humidity"`
+}
+
+type weatherWind struct {
+	Speed float32 `json:"speed"`
+	Gust  float32 `json:"gust"`
+}
+
+type forecast struct {
+	//Overview weatherOverview `json:"weather"`
+	Main weatherMain `json:"main"`
+	Wind weatherWind `json:"wind"`
+}
+
 type config struct {
 	Units     string `json:"units"`
 	Location  string `json:"loc"`
 	Longitude string `json:"lat"`
 	Latitude  string `json:"lon"`
+	ApiKey    string `json:"appid"`
+}
+
+type application struct {
+	Forecast  forecast
+	Config    config
+	WaitGroup sync.WaitGroup
+	Version   string
+}
+
+func printWeather(app *application) {
+
+	var unitString string
+	if app.Config.Units == "imperial" {
+		unitString = "Farhenheit/mph"
+	} else {
+		unitString = "Celsius/kph"
+	}
+
+	fmt.Printf("\nUnits: %s (%s)\n\n", app.Config.Units, unitString)
+	fmt.Printf("Current temperature: %.2f\n", app.Forecast.Main.Temp)
+	fmt.Printf("Feels like: %.2f\n", app.Forecast.Main.FeelsLike)
+	fmt.Printf("High: %.2f\n", app.Forecast.Main.HighTemp)
+	fmt.Printf("Low: %.2f\n", app.Forecast.Main.LowTemp)
+	fmt.Printf("Pressure (hPa): %d\n", app.Forecast.Main.Pressure)
+	fmt.Printf("Humidty (%%): %d\n", app.Forecast.Main.Humidity)
+	fmt.Printf("Wind speed: %.2f\n", app.Forecast.Wind.Speed)
+	fmt.Printf("Gust: %.2f\n", app.Forecast.Wind.Gust)
 }
 
 func main() {
 
+	err := godotenv.Load()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
 	cfg := config{
-		Units: "F",
+		Units:  "imperial",
+		ApiKey: os.Getenv("API_KEY"),
+	}
+
+	fcst := forecast{}
+
+	var wg sync.WaitGroup
+
+	app := application{
+		Config:    cfg,
+		Forecast:  fcst,
+		WaitGroup: wg,
+		Version:   version,
 	}
 
 	var option string
-	var wg sync.WaitGroup
 
-	fmt.Println("\n==============================================")
-	fmt.Println("| Welcome to the OpenWeatherMap-gRPC Client! |")
-	fmt.Println("==============================================")
+	fmt.Println("\n=====================================================")
+	fmt.Printf("| Welcome to the OpenWeatherMap-gRPC Client! v%s |\n", app.Version)
+	fmt.Println("=====================================================")
 
 	for option != "0" {
 
@@ -46,13 +114,17 @@ func main() {
 		option = strings.TrimSuffix(input, "\n")
 
 		if option == "1" || option == "" {
-			wg.Add(1)
-			go getLocation(&wg, &cfg)
-			wg.Wait()
+			app.WaitGroup.Add(1)
+			go getLocation(&app)
+			app.WaitGroup.Wait()
+			app.WaitGroup.Add(1)
+			go getCurrent(&app)
+			app.WaitGroup.Wait()
+			printWeather(&app)
 		} else if option == "2" {
-			wg.Add(1)
-			go advancedMenu(&wg, &cfg)
-			wg.Wait()
+			app.WaitGroup.Add(1)
+			go advancedMenu(&app)
+			app.WaitGroup.Wait()
 		} else if option == "0" {
 			return
 		} else {