Make better for CLI usage

main.go

@@ -8,80 +8,45 @@ import (
 	"github.com/kyokomi/emoji"
 )
 
-var emoticons map[string]string
-
 func main() {
-	initEmoticons()
-	// We default to "shrug"
-	var done bool
+	if len(os.Args) < 2 || strings.HasSuffix(os.Args[1], "-help") {
+		showUsage()
+	}
+
+	var getApprox bool
 	var which string
-	if len(os.Args) == 2 {
-		which = os.Args[1]
-		if which == "help" {
-			showHelp()
-		} else if which == "help-emoji" {
-			allEmoji := emoji.CodeMap()
-			fmt.Println("== Supported Emoji ==")
-			for k, v := range allEmoji {
-				fmt.Println(k + " " + v)
-			}
-			os.Exit(0)
-		}
-		// it might be a one-word emoji request
-		allEmoji := emoji.CodeMap()
-		if _, done = allEmoji[which]; done {
-			tst1 := ":" + which + ":"
-			tst2 := emoji.Sprint(tst1)
-			if tst1 != tst2 {
-				fmt.Println(tst2)
-				done = true
-			}
+	var matchWhich string
+	for _, v := range os.Args {
+		if v == "-a" {
+			getApprox = true
 		} else {
-			// Search for any emoji that contain this string
-			var cnt int
-			for k, v := range allEmoji {
-				if strings.Contains(k, which) {
-					fmt.Println(k + " " + v)
-					cnt++
-				}
-			}
-			if cnt > 0 {
-				done = true
-			} else {
-				fmt.Println("No emoji for " + which + " found.")
+			which = v
+		}
+	}
+
+	allEmoji := emoji.CodeMap()
+	if !strings.HasPrefix(which, ":") && !strings.HasSuffix(which, ":") {
+		matchWhich = ":" + which + ":"
+	}
+	if v, ok := allEmoji[matchWhich]; ok {
+		fmt.Println(v)
+		os.Exit(0)
+	} else if getApprox {
+		for k, v := range allEmoji {
+			if strings.Contains(k, which) {
+				fmt.Println(v)
+				os.Exit(0)
 			}
 		}
 	}
-	if !done {
-		var i string
-		if i, done = emoticons[which]; done {
-			fmt.Println(i)
-		}
-	}
-	if !done {
-		showHelp()
-	}
+	os.Exit(1)
 }
 
-func showHelp() {
-	fmt.Println("There are a *ton* of emoji supported, to list them, do \"help-emoji\"")
-	for k, v := range emoticons {
-		fmt.Println(k, v)
+func showUsage() {
+	allEmoji := emoji.CodeMap()
+	fmt.Println("== Supported Emoji ==")
+	for k, v := range allEmoji {
+		fmt.Println(k + " " + v)
 	}
 	os.Exit(0)
 }
-
-func initEmoticons() {
-	emoticons = make(map[string]string)
-	emoticons["ascii-bat"] = "～°·_·°～"
-	emoticons["ascii-bomb"] = "●～*"
-	emoticons["ascii-fish"] = ">°)))彡"
-	emoticons["ascii-flip"] = "(╯°□°）╯︵ ┻━┻"
-	emoticons["ascii-lenny"] = "( ͡° ͜ʖ ͡°)"
-	emoticons["ascii-octopus"] = "<コ:彡"
-	emoticons["ascii-shrug"] = "¯\\_(ツ)_/¯"
-	emoticons["ascii-smirk"] = "( ͡° ͜ʖ ͡°)"
-	emoticons["ascii-snake"] = "~>°)～～～"
-	emoticons["ascii-star"] = "☆彡"
-	emoticons["ascii-tadpole"] = "(°°)～"
-}