give catbase some negative back talk

config/config.go

@@ -57,6 +57,7 @@ type Config struct {
 		YourChance    float64
 		FuckingChance float64
 		DuckingChance float64
+		NegativeChance float64
 		MaxLength     int
 	}
 	LeftPad struct {

example_config.json

@@ -48,6 +48,7 @@
 		"YourChance": 0.4,
 		"FuckingChance": 0.15,
 		"DuckingChance": 0.5,
+		"NegativeChance": 0.5,
 		"MaxLength": 140
 	},
 	"LeftPad": {

plugins/your/your.go

@@ -63,6 +63,26 @@ func (p *YourPlugin) Message(message msg.Message) bool {
 			return true
 		}
 	}
+	if strings.Contains(message.Body, " is ") {
+		log.Println("Found an is")
+		if rand.Float64() < config.NegativeChance {
+			log.Println("Replacing an is")
+			r := strings.NewReplacer(" is ", " is not ")
+			msg := r.Replace(message.Body)
+			p.bot.SendMessage(message.Channel, msg)
+			return true
+		}
+	}
+	if strings.Contains(message.Body, " are ") {
+		log.Println("Found an are")
+		if rand.Float64() < config.NegativeChance {
+			log.Println("Replacing an are")
+			r := strings.NewReplacer(" are ", " are not ")
+			msg := r.Replace(message.Body)
+			p.bot.SendMessage(message.Channel, msg)
+			return true
+		}
+	}
 	return false
 }