// Copyright (c) 2016 Florian Fischer. All rights reserved.
// Use of this source code is governed by a MIT license found in the LICENSE file.

package logic

import "testing"

func TestScore(t *testing.T) {
	s := NewScore()
	s = []int{1, 2, 3, 4, 5, 6, 23, 27, 25, 30, 40, -1, 26}
	if s.Score() != 192 {
		t.Errorf("Score of \n%v should be 192", s)
	}
	s = []int{3, 6, 9, 12, 15, 18, 23, 27, 25, 30, 40, -1, 26}
	if s.Score() != 269 {
		t.Errorf("Score of \n%v should be 269", s)
	}
	s = []int{1, 8, 6, 8, 15, 12, 23, 15, -1, 30, 40, -1, 26}
	if s.Score() != 184 {
		t.Errorf("Score of \n%v should be 184", s)
	}
}

func TestInsert(t *testing.T) {
	s := NewScore()
	d := Dice{1, 2, 3, 4, 5}
	p, err := s.Insert(d, 0)
	if p != 1 || err != nil {
		t.Errorf("Inserting %v as aces should return 1", d)
	}

	d = Dice{1, 2, 2, 3, 4}
	p, err = s.Insert(d, 1)
	if p != 4 || err != nil {
		t.Errorf("Inserting %v as twos should return 4", d)
	}

	p, err = s.Insert(d, 1)
	if p != 0 || err == nil {
		t.Errorf("Inserting %v as twos again should fail", d)
	}

	d = Dice{1, 2, 2, 4, 4}
	p, err = s.Insert(d, 2)
	if p != 0 || err != nil {
		t.Errorf("Inserting %v as threes should return 0", d)
	}

	d = Dice{1, 2, 2, 6, 6}
	p, err = s.Insert(d, 5)
	if p != 12 || err != nil {
		t.Errorf("Inserting %v as sixes should return 12", d)
	}

	d = Dice{1, 2, 6, 6, 6}
	p, err = s.Insert(d, 6)
	if p != 21 || err != nil {
		t.Errorf("Inserting %v as three of a kind should return 21", d)
	}

	d = Dice{1, 1, 2, 2, 2}
	p, err = s.Insert(d, 7)
	if p != 0 || err == nil {
		t.Errorf("Inserting %v as four of a kind should fail", d)
	}

	d = Dice{1, 2, 2, 2, 2}
	p, err = s.Insert(d, 7)
	if p != 9 || err != nil {
		t.Errorf("Inserting %v as four of a kind should return 9", d)
	}

	d = Dice{1, 1, 2, 2, 2}
	p, err = s.Insert(d, 8)
	if p != 25 || err != nil {
		t.Errorf("Inserting %v as full house should return 25", d)
	}

	d = Dice{1, 2, 3, 4, 5}
	p, err = s.Insert(d, 9)
	if p != 30 || err != nil {
		t.Errorf("Inserting %v as small straight should return 30", d)
	}

	d = Dice{1, 2, 3, 4, 5}
	p, err = s.Insert(d, 10)
	if p != 40 || err != nil {
		t.Errorf("Inserting %v as large straight should return 40", d)
	}

	d = Dice{2, 2, 3, 4, 5}
	p, err = s.Insert(d, 10)
	if p != 0 || err == nil {
		t.Errorf("Inserting %v as large straight should fail", d)
	}

	d = Dice{2, 2, 2, 2, 2}
	p, err = s.Insert(d, 11)
	if p != 50 || err != nil {
		t.Errorf("Inserting %v as yahtzee should return 50", d)
	}

	d = Dice{1, 3, 3, 5, 6}
	p, err = s.Insert(d, 12)
	if p != 18 || err != nil {
		t.Errorf("Inserting %v as chance should return 18", d)
	}

	p, err = s.Insert(d, 200)
	if p != 0 || err == nil {
		t.Errorf("Inserting %v at index 200 should fail", d)
	}
}

func TestCancel(t *testing.T) {
	s := NewScore()

	err := s.Cancel(1)
	if err != nil {
		t.Errorf("Cancelling Aces should not fail: %v", err)
	}

	err = s.Cancel(1)
	if err == nil {
		t.Errorf("Cancelling Aces twice should fail")
	}

	err = s.Cancel(12)
	if err != nil {
		t.Errorf("Cancelling Yahtzee should not fail: %v", err)
	}

	err = s.Cancel(22)
	if err == nil {
		t.Errorf("Cancelling 22 should fail")
	}

}