feat: add typing game controller.

Author: en-ken

kadai3/en-ken/kadai3/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"time"
+
+	"github.com/gopherdojo/dojo6/kadai3/en-ken/typing"
+)
+
+func main() {
+	const timeoutSec = 10
+	textDict := []string{"foo", "bar", "baz", "qux"}
+	t := typing.NewTyping(textDict)
+
+	chInput := inputRoutine(os.Stdin)
+	chFinish := time.After(time.Duration(timeoutSec) * time.Second)
+
+	execute(chInput, chFinish, os.Stdout, t)
+}
+
+// Typing is interface to typing.Typing
+type Typing interface {
+	GetNextText() string
+	IsCorrect(input string) bool
+}
+
+func execute(chInput <-chan string, chFinish <-chan time.Time, stdout *os.File, t Typing) {
+
+	score := 0
+	for i := 1; ; i++ {
+		fmt.Fprintf(stdout, "[%03d]: %v\n", i, t.GetNextText())
+		fmt.Fprint(stdout, "type>>")
+		select {
+		case text := <-chInput:
+			if t.IsCorrect(text) {
+				score++
+				fmt.Fprintln(stdout, "Correct!")
+			} else {
+				fmt.Fprintln(stdout, "Correct!")
+			}
+		case <-chFinish:
+			fmt.Fprintln(stdout, "\nTime's up!!")
+			fmt.Fprintf(stdout, "You Scored: %v\n", score)
+			return
+		}
+	}
+}
+
+func inputRoutine(r io.Reader) <-chan string {
+	ch := make(chan string)
+
+	go func() {
+		s := bufio.NewScanner(r)
+		for s.Scan() {
+			ch <- s.Text()
+		}
+	}()
+
+	return ch
+}