initial commit

internal/game/player.go

@@ -0,0 +1,56 @@
+package game
+
+type Player struct {
+	ID        string
+	Name      string
+	Hand      []Card
+	Booked    [][]Card // sets of 4 cards
+	Connected bool
+}
+
+func NewPlayer(id, name string) *Player {
+	return &Player{
+		ID:        id,
+		Name:      name,
+		Hand:      []Card{},
+		Booked:    [][]Card{},
+		Connected: true,
+	}
+}
+
+func (p *Player) Draw(card Card) {
+	p.Hand = append(p.Hand, card)
+}
+
+func (p *Player) RemoveCard(rank Rank) []Card {
+	var removed []Card
+	var remaining []Card
+	for _, c := range p.Hand {
+		if c.Rank == rank && len(removed) < 4 {
+			removed = append(removed, c)
+		} else {
+			remaining = append(remaining, c)
+		}
+	}
+	p.Hand = remaining
+	return removed
+}
+
+func (p *Player) HasCard(rank Rank) bool {
+	for _, c := range p.Hand {
+		if c.Rank == rank {
+			return true
+		}
+	}
+	return false
+}
+
+func (p *Player) HasBook(rank Rank) bool {
+	count := 0
+	for _, c := range p.Hand {
+		if c.Rank == rank {
+			count++
+		}
+	}
+	return count == 4
+}