added ability to have custom coinflips

commands.go

@@ -8,18 +8,32 @@ import (
 	"math"
 	"math/rand"
 	"strconv"
+	"strings"
 )
 
 // flip a coin
-func coinflip(author string) string{
+func coinflip(author string, content string) string{
 	// get a random 1 or 0
 	num := math.Mod(float64(rand.Intn(100)), 2) // modulo of random number between 0 and 100
 
+	// default heads/tails text in case nothing was set from the user
+	heads := "heads"
+	tails := "tails"
+
+	// try to split to see if heads/tails were set by user
+	message := strings.Fields(content)
+
+	// if the custom heads/tails was requested, set it
+	if(len(message) > 2) {
+		heads = message[1]
+		tails = message[2]
+	}
+
 	// return string based on number
 	if int(num) == 0 { // heads
-		return "<@" + author + "> flipped a coin, it landed on **heads!**"
+		return "<@" + author + "> flipped a coin, it landed on **" + heads + "!**"
 	} else { // tails
-		return "<@" + author + "> flipped a coin, it landed on **tails!**"
+		return "<@" + author + "> flipped a coin, it landed on **" + tails + "!**"
 	}
 }