AymenSegni · AymenSegni · Aug 19, 2021 · Aug 19, 2021 · Aug 19, 2021
diff --git a/simple-card-game/card-game/assests/0-game-desc.png b/simple-card-game/card-game/assests/0-game-desc.png
diff --git a/simple-card-game/card-game/assests/1-project-structure.png b/simple-card-game/card-game/assests/1-project-structure.png
diff --git a/simple-card-game/card-game/assests/2-deal-func.png b/simple-card-game/card-game/assests/2-deal-func.png
diff --git a/simple-card-game/card-game/assests/3-shuffle.png b/simple-card-game/card-game/assests/3-shuffle.png
diff --git a/simple-card-game/card-game/deck.go b/simple-card-game/card-game/deck.go
@@ -0,0 +1,102 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"math/rand"
+	"os"
+	"strings"
+	"time"
+)
+
+// declare new type called deck and assign to it a slice type
+
+type deck []string
+
+// func with receiver to iterate over a deck and print values
+
+func (d deck) print() {
+	for i, value := range d {
+		fmt.Println(i, value)
+	}
+}
+
+// Create and return newDeck
+
+func newDeck() deck {
+
+	cards := deck{}
+
+	cardSuits := []string{"Spades", "Diamonds", "Hearts", "Clubs"}
+	cardValues := []string{"Ace", "Tow", "Three", "Four"}
+
+	for _, suit := range cardSuits {
+		for _, value := range cardValues {
+			cards = append(cards, value+" of "+suit)
+		}
+	}
+
+	return cards
+
+}
+
+// deal
+
+func deal(d deck, handSize int) (deck, deck) {
+
+	return d[:handSize], d[handSize:]
+}
+
+// save deck to file and load a deck from file
+//  to do: use the ioutil library
+// to work with files in the ioutil library, will need to have a []byte instead
+// will also need to import String package
+
+// fun to convert a deck to string
+func (d deck) toString() string {
+	return strings.Join([]string(d), ",")
+	// []string(d) // convert deck to slice of string
+
+}
+
+func (d deck) saveToFile(filename string) error {
+
+	return ioutil.WriteFile(filename, []byte(d.toString()), 0666)
+
+}
+
+// read deck from file
+func newDeckFromFile(filename string) deck {
+
+	bs, err := ioutil.ReadFile(filename)
+
+	// error handling
+	if err != nil {
+		fmt.Println(err)
+		//quite
+		os.Exit(127)
+	}
+
+	// convert byte slice into string then to string slice to deck
+
+	s := strings.Split(string(bs), ",")
+
+	return deck(s)
+
+}
+
+// shuffle list of deck
+
+func (d deck) shuffle() {
+
+	source := rand.NewSource(time.Now().UnixNano())
+
+	r := rand.New(source)
+
+	for i := range d {
+		newPosition := r.Intn(len(d) - 1)
+
+		d[i], d[newPosition] = d[newPosition], d[i]
+
+	}
+}
diff --git a/simple-card-game/card-game/deck_test.go b/simple-card-game/card-game/deck_test.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+	"os"
+	"testing"
+)
+
+func TestNewDeck(t *testing.T) {
+	d := newDeck()
+
+	if len(d) != 16 {
+		t.Errorf("Expected deck length of 16, but got %v", len(d))
+	}
+
+	if d[0] != "Ace of Spades" {
+		t.Errorf("Expected first card of Ace of Spades, but got %v", d[0])
+	}
+
+	if d[len(d)-1] != "Four of Clubs" {
+		t.Errorf("Expected last card of Four of Clubs, but got %v", d[len(d)-1])
+	}
+}
+
+func TestSaveToDeckAndNewDeckFromFile(t *testing.T) {
+	os.Remove("_decktesting")
+
+	deck := newDeck()
+	deck.saveToFile("_decktesting")
+
+	loadedDeck := newDeckFromFile("_decktesting")
+
+	if len(loadedDeck) != 16 {
+		t.Errorf("Expected 16 cards in deck, got %v", len(loadedDeck))
+	}
+
+	os.Remove("_decktesting")
+}
diff --git a/simple-card-game/card-game/go.mod b/simple-card-game/card-game/go.mod
@@ -0,0 +1,3 @@
+module github.com/AymenSegni/go-examples/card-game
+
+go 1.17
diff --git a/simple-card-game/card-game/main.go b/simple-card-game/card-game/main.go
@@ -0,0 +1,44 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	// create new deck
+	fmt.Println("step 1: add new deck function")
+	cards := newDeck()
+	fmt.Println("step 1 is done")
+
+	// print deck values
+	fmt.Println("step 2: print list of cards in deck")
+	cards.print()
+	fmt.Println("step 2 is done")
+
+	// deal function
+	fmt.Println("step 3: deal function")
+	hand, leftHand := deal(cards, 3)
+	fmt.Println(hand)
+	fmt.Println(leftHand)
+	fmt.Println("step 3 is done")
+
+	// save to file
+	fmt.Println("step 4: save deck to file func")
+	cards.saveToFile("deck_file")
+	fmt.Println("step 4 is done")
+
+	// read deck from file
+	fmt.Println("step 5: read deck from file")
+	cards = newDeckFromFile("deck_file")
+	cards.print()
+	fmt.Println("step 5 is done")
+
+	// shuffle cards
+	fmt.Println("step 6: run shuffle operation")
+	cards.shuffle()
+	cards.print()
+	fmt.Println("step 6 is done")
+
+	// finish the game
+	fmt.Println("Game Over")
+
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		module github.com/AymenSegni/go-examples/card-game

		go 1.17