package casino

import "testing"

// TestTableConfigRejectsAbsurdMultipliers: authored payout multipliers are
// bounded so a typo cannot silently create an absurd table (and so the
// MulPayout overflow backstop is not the only line of defence).
func TestTableConfigRejectsAbsurdMultipliers(t *testing.T) {
	for name, c := range map[string]TableConfig{
		"blackjack payout": {ID: "t", Game: GameBlackjack, Blackjack: BlackjackConfig{BlackjackPayout: 15}},
		"insurance payout": {ID: "t", Game: GameBlackjack, Blackjack: BlackjackConfig{InsurancePayout: 15}},
		"tie payout":       {ID: "t", Game: GameBaccarat, Baccarat: BaccaratConfig{TiePayout: 100}},
		"banker payout":    {ID: "t", Game: GameBaccarat, Baccarat: BaccaratConfig{BankerPayout: 1.5}},
	} {
		t.Run(name, func(t *testing.T) {
			if c.Validate() == nil {
				t.Fatalf("accepted an absurd payout multiplier: %+v", c)
			}
		})
	}
	// The shipped/default values remain valid.
	if err := (TableConfig{ID: "t", Game: GameBaccarat}).Validate(); err != nil {
		t.Fatalf("default baccarat table rejected: %v", err)
	}
	if err := (TableConfig{ID: "t", Game: GameBlackjack}).Validate(); err != nil {
		t.Fatalf("default blackjack table rejected: %v", err)
	}
}

// TestSlotProfileRejectsDuplicateSymbol: a duplicated id would pay that win
// twice because evaluateSlot matches symbols by id.
func TestSlotProfileRejectsDuplicateSymbol(t *testing.T) {
	p := DefaultHuffAndPuffProfile()
	p.Symbols = append(p.Symbols, p.Symbols[0])
	if err := p.Validate(); err == nil {
		t.Fatal("accepted a duplicate slot symbol id")
	}
}

// TestSlotProfileRejectsZeroWeight: with no total reel weight weightedSymbol
// can never pick a symbol.
func TestSlotProfileRejectsZeroWeight(t *testing.T) {
	p := DefaultHuffAndPuffProfile()
	for i := range p.Symbols {
		p.Symbols[i].Weight = 0
	}
	if err := p.Validate(); err == nil {
		t.Fatal("accepted a profile with no reel weight")
	}
}

// TestSlotProfileRejectsOverlongSymbol: the renderer pads to a fixed 7-cell
// width, so a longer id makes the padding negative and panics.
func TestSlotProfileRejectsOverlongSymbol(t *testing.T) {
	p := DefaultHuffAndPuffProfile()
	p.Symbols[0].ID = "way-too-long"
	if err := p.Validate(); err == nil {
		t.Fatal("accepted a symbol id longer than the reel width")
	}
}