Added go version of Hello

00_Alternate_Languages/45_Hello/go/main.go

@@ -0,0 +1,240 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+)
+
+type PROBLEM_TYPE int8
+
+const (
+	SEX PROBLEM_TYPE = iota
+	HEALTH
+	MONEY
+	JOB
+	UKNOWN
+)
+
+func getYesOrNo() (bool, bool, string) {
+	scanner := bufio.NewScanner(os.Stdin)
+
+	scanner.Scan()
+
+	if strings.ToUpper(scanner.Text()) == "YES" {
+		return true, true, scanner.Text()
+	} else if strings.ToUpper(scanner.Text()) == "NO" {
+		return true, false, scanner.Text()
+	} else {
+		return false, false, scanner.Text()
+	}
+}
+
+func printTntro() {
+	fmt.Println("                              HELLO")
+	fmt.Println("               CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY")
+	fmt.Print("\n\n\n")
+	fmt.Println("HELLO. MY NAME IS CREATIVE COMPUTER.")
+	fmt.Println("\nWHAT'S YOUR NAME?")
+}
+
+func askEnjoyQuestion(user string) {
+	fmt.Printf("HI THERE %s, ARE YOU ENJOYING YOURSELF HERE?\n", user)
+
+	for {
+		valid, value, msg := getYesOrNo()
+
+		if valid {
+			if value {
+				fmt.Printf("I'M GLAD TO HEAR THAT, %s.\n", user)
+				fmt.Println()
+			} else {
+				fmt.Printf("OH, I'M SORRY TO HEAR THAT, %s. MAYBE WE CAN\n", user)
+				fmt.Println("BRIGHTEN UP YOUR VISIT A BIT.")
+			}
+			break
+		} else {
+			fmt.Printf("%s, I DON'T UNDERSTAND YOUR ANSWER OF '%s'.\n", user, msg)
+			fmt.Println("PLEASE ANSWER 'YES' OR 'NO'.  DO YOU LIKE IT HERE?")
+		}
+	}
+}
+
+func promptForProblems(user string) PROBLEM_TYPE {
+	scanner := bufio.NewScanner(os.Stdin)
+	fmt.Println()
+	fmt.Printf("SAY %s, I CAN SOLVE ALL KINDS OF PROBLEMS EXCEPT\n", user)
+	fmt.Println("THOSE DEALING WITH GREECE.  WHAT KIND OF PROBLEMS DO")
+	fmt.Println("YOU HAVE? (ANSWER SEX, HEALTH, MONEY, OR JOB)")
+	for {
+		scanner.Scan()
+
+		switch strings.ToUpper(scanner.Text()) {
+		case "SEX":
+			return SEX
+		case "HEALTH":
+			return HEALTH
+		case "MONEY":
+			return MONEY
+		case "JOB":
+			return JOB
+		default:
+			return UKNOWN
+		}
+	}
+}
+
+func promptTooMuchOrTooLittle() (bool, bool) {
+	scanner := bufio.NewScanner(os.Stdin)
+
+	scanner.Scan()
+
+	if strings.ToUpper(scanner.Text()) == "TOO MUCH" {
+		return true, true
+	} else if strings.ToUpper(scanner.Text()) == "TOO LITTLE" {
+		return true, false
+	} else {
+		return false, false
+	}
+}
+
+func solveSexProblem(user string) {
+	fmt.Println("IS YOUR PROBLEM TOO MUCH OR TOO LITTLE?")
+	for {
+		valid, tooMuch := promptTooMuchOrTooLittle()
+		if valid {
+			if tooMuch {
+				fmt.Println("YOU CALL THAT A PROBLEM?!!  I SHOULD HAVE SUCH PROBLEMS!")
+				fmt.Printf("IF IT BOTHERS YOU, %s, TAKE A COLD SHOWER.\n", user)
+			} else {
+				fmt.Printf("WHY ARE YOU HERE IN SUFFERN, %s?  YOU SHOULD BE\n", user)
+				fmt.Println("IN TOKYO OR NEW YORK OR AMSTERDAM OR SOMEPLACE WITH SOME")
+				fmt.Println("REAL ACTION.")
+			}
+			return
+		} else {
+			fmt.Printf("DON'T GET ALL SHOOK, %s, JUST ANSWER THE QUESTION\n", user)
+			fmt.Println("WITH 'TOO MUCH' OR 'TOO LITTLE'.  WHICH IS IT?")
+		}
+	}
+}
+
+func solveHealthProblem(user string) {
+	fmt.Printf("MY ADVICE TO YOU %s IS:\n", user)
+	fmt.Println("     1.  TAKE TWO ASPRIN")
+	fmt.Println("     2.  DRINK PLENTY OF FLUIDS (ORANGE JUICE, NOT BEER!)")
+	fmt.Println("     3.  GO TO BED (ALONE)")
+}
+
+func solveMoneyProblem(user string) {
+	fmt.Printf("SORRY, %s, I'M BROKE TOO.  WHY DON'T YOU SELL\n", user)
+	fmt.Println("ENCYCLOPEADIAS OR MARRY SOMEONE RICH OR STOP EATING")
+	fmt.Println("SO YOU WON'T NEED SO MUCH MONEY?")
+}
+
+func solveJobProblem(user string) {
+	fmt.Printf("I CAN SYMPATHIZE WITH YOU %s.  I HAVE TO WORK\n", user)
+	fmt.Println("VERY LONG HOURS FOR NO PAY -- AND SOME OF MY BOSSES")
+	fmt.Printf("REALLY BEAT ON MY KEYBOARD.  MY ADVICE TO YOU, %s,\n", user)
+	fmt.Println("IS TO OPEN A RETAIL COMPUTER STORE.  IT'S GREAT FUN.")
+}
+
+func askQuestionLoop(user string) {
+	for {
+		problem := promptForProblems(user)
+
+		switch problem {
+		case SEX:
+			solveSexProblem(user)
+		case HEALTH:
+			solveHealthProblem(user)
+		case MONEY:
+			solveMoneyProblem(user)
+		case JOB:
+			solveJobProblem(user)
+		case UKNOWN:
+			fmt.Printf("OH %s, YOUR ANSWER IS GREEK TO ME.\n", user)
+		}
+
+		for {
+			fmt.Println()
+			fmt.Printf("ANY MORE PROBLEMS YOU WANT SOLVED, %s?\n", user)
+
+			valid, value, _ := getYesOrNo()
+			if valid {
+				if value {
+					fmt.Println("WHAT KIND (SEX, MONEY, HEALTH, JOB)")
+					break
+				} else {
+					return
+				}
+			}
+			fmt.Printf("JUST A SIMPLE 'YES' OR 'NO' PLEASE, %s\n", user)
+		}
+	}
+}
+
+func goodbyeUnhappy(user string) {
+	fmt.Println()
+	fmt.Printf("TAKE A WALK, %s.\n", user)
+	fmt.Println()
+	fmt.Println()
+}
+
+func goodbyeHappy(user string) {
+	fmt.Printf("NICE MEETING YOU %s, HAVE A NICE DAY.\n", user)
+}
+
+func askForFee(user string) {
+	fmt.Println()
+	fmt.Printf("THAT WILL BE $5.00 FOR THE ADVICE, %s.\n", user)
+	fmt.Println("PLEASE LEAVE THE MONEY ON THE TERMINAL.")
+	time.Sleep(4 * time.Second)
+	fmt.Print("\n\n\n")
+	fmt.Println("DID YOU LEAVE THE MONEY?")
+
+	for {
+		valid, value, msg := getYesOrNo()
+		if valid {
+			if value {
+				fmt.Printf("HEY, %s, YOU LEFT NO MONEY AT ALL!\n", user)
+				fmt.Println("YOU ARE CHEATING ME OUT OF MY HARD-EARNED LIVING.")
+				fmt.Println()
+				fmt.Printf("WHAT A RIP OFF, %s!!!\n", user)
+				fmt.Println()
+			} else {
+				fmt.Printf("THAT'S HONEST, %s, BUT HOW DO YOU EXPECT\n", user)
+				fmt.Println("ME TO GO ON WITH MY PSYCHOLOGY STUDIES IF MY PATIENTS")
+				fmt.Println("DON'T PAY THEIR BILLS?")
+			}
+			return
+		} else {
+			fmt.Printf("YOUR ANSWER OF '%s' CONFUSES ME, %s.\n", msg, user)
+			fmt.Println("PLEASE RESPOND WITH 'YES' or 'NO'.")
+		}
+	}
+}
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+
+	printTntro()
+	scanner.Scan()
+	userName := scanner.Text()
+	fmt.Println()
+
+	askEnjoyQuestion(userName)
+
+	askQuestionLoop(userName)
+
+	askForFee(userName)
+
+	if false {
+		goodbyeHappy(userName) // unreachable
+	} else {
+		goodbyeUnhappy(userName)
+	}
+
+}