Add individual name colors

Fixes #79

components/chat.go

@@ -11,6 +11,19 @@ import (
 	"github.com/erroneousboat/slack-term/config"
 )
 
+var (
+	COLORS = []string{
+		"fg-black",
+		"fg-red",
+		"fg-green",
+		"fg-yellow",
+		"fg-blue",
+		"fg-magenta",
+		"fg-cyan",
+		"fg-white",
+	}
+)
+
 type Message struct {
 	Time    time.Time
 	Name    string
@@ -23,6 +36,21 @@ type Message struct {
 	FormatTime string
 }
 
+func (m Message) colorizeName(styleName string) string {
+	if strings.Contains(styleName, "colorize") {
+		var sum int
+		for _, c := range m.Name {
+			sum = sum + int(c)
+		}
+
+		i := sum % len(COLORS)
+
+		return strings.Replace(m.StyleName, "colorize", COLORS[i], -1)
+	}
+
+	return styleName
+}
+
 // Chat is the definition of a Chat component
 type Chat struct {
 	List     *termui.List
@@ -66,7 +94,10 @@ func (c *Chat) Buffer() termui.Buffer {
 
 			// Name
 			cells = append(cells, termui.DefaultTxBuilder.Build(
-				fmt.Sprintf("[<%s>](%s) ", msg.Name, msg.StyleName),
+				fmt.Sprintf("[<%s>](%s) ",
+					msg.Name,
+					msg.colorizeName(msg.StyleName),
+				),
 				termui.ColorDefault, termui.ColorDefault)...,
 			)
 		}