package zombie

import (
	"github.com/wahyd4/zombie/models"
	"reflect"
	"testing"
)

func TestApplication_Run(t *testing.T) {
	type fields struct {
		GridSize        int
		Creatures       []*models.Creature
		Commands        []MoveCommand
		CurrentZombie   *models.Zombie
		NextZombie      *TransformedZombie
		FinishedZombies []*models.Zombie
		Score           int
	}
	tests := []struct {
		name                string
		fields              fields
		wantFinishedZombies []*models.Zombie
		wantScore int
	}{
		{
			"can run a simple command",
			fields{
				GridSize: 4,
				Creatures: []*models.Creature{
					&models.Creature{
						Coordinate: models.Coordinate{
							XAxis: 1,
							YAxis: 1,
						},
					},
				},
				Commands: []MoveCommand{
					&MoveUpCommand{},
				},
				CurrentZombie: &models.Zombie{
					GridSize: 4,
					Coordinate: models.Coordinate{
						XAxis: 3,
						YAxis: 3,
					},
				},
				NextZombie:      nil,
				FinishedZombies: nil,
				Score:           0,
			},
			[]*models.Zombie{
				&models.Zombie{
					GridSize:   4,
					Coordinate: models.Coordinate{
						XAxis: 3,
						YAxis: 2,
					},
				},
			},
			0,
		},
		{
			"can run some more commands",
			fields{
				GridSize: 4,
				Creatures: []*models.Creature{
					&models.Creature{
						Coordinate: models.Coordinate{
							XAxis: 0,
							YAxis: 1,
						},
					},
					&models.Creature{
						Coordinate: models.Coordinate{
							XAxis: 1,
							YAxis: 2,
						},
					},
					&models.Creature{
						Coordinate: models.Coordinate{
							XAxis: 3,
							YAxis: 1,
						},
					},
				},
				Commands: []MoveCommand{
					&MoveDownCommand{},
					&MoveLeftCommand{},
					&MoveUpCommand{},
					&MoveUpCommand{},
					&MoveRightCommand{},
					&MoveRightCommand{},
				},
				CurrentZombie: &models.Zombie{
					GridSize: 4,
					Coordinate: models.Coordinate{
						XAxis: 2,
						YAxis: 1,
					},
				},
				NextZombie:      nil,
				FinishedZombies: nil,
				Score:           0,
			},
			[]*models.Zombie{
				&models.Zombie{
					GridSize:   4,
					Coordinate: models.Coordinate{
						XAxis: 3,
						YAxis: 0,
					},
				},
				&models.Zombie{
					GridSize:   4,
					Coordinate: models.Coordinate{
						XAxis: 2,
						YAxis: 1,
					},
				},
				&models.Zombie{
					GridSize:   4,
					Coordinate: models.Coordinate{
						XAxis: 1,
						YAxis: 0,
					},
				},
				&models.Zombie{
					GridSize:   4,
					Coordinate: models.Coordinate{
						XAxis: 0,
						YAxis: 0,
					},
				},
			},
			3,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			app := &Application{
				gridSize:        tt.fields.GridSize,
				creatures:       tt.fields.Creatures,
				commands:        tt.fields.Commands,
				currentZombie:   tt.fields.CurrentZombie,
				nextZombie:      tt.fields.NextZombie,
				finishedZombies: tt.fields.FinishedZombies,
				score:           tt.fields.Score,
			}
			app.Run()
			if ok := reflect.DeepEqual(tt.wantFinishedZombies, app.finishedZombies); !ok {
				t.Errorf("expected wantFinishedZombies to be %v but got %v", tt.wantFinishedZombies, app.finishedZombies)
			}

			if ok := reflect.DeepEqual(tt.wantScore, app.score); !ok {
				t.Errorf("expected score to be %v but got %v", tt.wantScore, app.score)
			}
		})
	}
}