package hamster_tycoon

import (
	"errors"
	"testing"
)

func TestDie(t *testing.T) {
	testCases := []struct {
		caseName      string
		hamster       *Hamster
		expectedAlive bool
	}{
		{
			caseName: "Should die",
			hamster: &Hamster{
				Alive: true,
			},
			expectedAlive: false,
		},
		{
			caseName: "Already die",
			hamster: &Hamster{
				Alive: false,
			},
			expectedAlive: false,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.caseName, func(t *testing.T) {
			tc.hamster.Die()
			if tc.hamster.Alive != tc.expectedAlive {
				t.Errorf("Die result does not match expectation. \n Got : %t \n Get : %t", tc.expectedAlive, tc.hamster.Alive)
			}
		})
	}
}

func TestFuck(t *testing.T) {
	testCases := []struct {
		caseName       string
		hamster1       *Hamster
		hamster2       *Hamster
		expectedResult bool
		expectedError  error
	}{
		{
			caseName: "Hamster 1 too young",
			hamster1: &Hamster{
				Alive: true,
				Sexe:  MALE,
				Age:   GestationMinAge - 1,
			},
			hamster2: &Hamster{
				Alive: true,
				Sexe:  FEMALE,
				Age:   GestationMinAge + 1,
			},
			expectedResult: false,
			expectedError:  errors.New("one of the hamster is too young"),
		},
		{
			caseName: "Hamster 2 too young",
			hamster1: &Hamster{
				Alive: false,
				Sexe:  MALE,
				Age:   GestationMinAge + 1,
			},
			hamster2: &Hamster{
				Alive: true,
				Sexe:  FEMALE,
				Age:   GestationMinAge - 1,
			},
			expectedResult: false,
			expectedError:  errors.New("one of the hamster is too young"),
		},
	}

	for _, tc := range testCases {
		t.Run(tc.caseName, func(t *testing.T) {
			bool, err := tc.hamster1.Fuck(tc.hamster2)
			if tc.expectedResult != bool {
				t.Errorf("Fuck result does not match expectation. \n Got : %t \n Get : %t", tc.expectedResult, bool)
			}
			if tc.expectedError.Error() != err.Error() {
				t.Errorf("Fuck result does not match expectation. \n Got : %s \n Get : %s", tc.expectedError, err)
			}
		})
	}
}