package generator_test

import (
	"fmt"
	"testing"

	"github.com/iliadenisov/galaxy/pkg/generator"
	"github.com/stretchr/testify/assert"
)

func TestGenerator(t *testing.T) {
	for players := 10; players <= 50; players++ {
		var s generator.MapSetting
		m, err := generator.Generate(func(ms *generator.MapSetting) {
			ms.Players = uint32(players)
			s = *ms
		})
		if err != nil {
			t.Errorf("generate: %s", err)
			break
		}
		assert.Equal(t, players, len(m.HomePlanets), "hw count")
		for i := range m.HomePlanets {
			assert.Equal(t, int(s.DWCount), len(m.HomePlanets[i].DW), "hw #%d: dw count", i)
			for dw := range m.HomePlanets[i].DW {
				d := m.ShortDistance(m.HomePlanets[i].HW.Position, m.HomePlanets[i].DW[dw].Position)
				assert.LessOrEqualf(t, float64(s.DWMinDistance), d, "HW[%.04f,%04f] - DW[%.04f,%04f]",
					m.HomePlanets[i].HW.Position.X, m.HomePlanets[i].HW.Position.Y, m.HomePlanets[i].DW[dw].Position.X, m.HomePlanets[i].DW[dw].Position.Y)
				assert.GreaterOrEqualf(t, float64(s.DWMaxDistance), d, "HW[%.04f,%04f] - DW[%.04f,%04f]",
					m.HomePlanets[i].HW.Position.X, m.HomePlanets[i].HW.Position.Y, m.HomePlanets[i].DW[dw].Position.X, m.HomePlanets[i].DW[dw].Position.Y)
			}
		}
	}
}

func BenchmarkGenerator(b *testing.B) {
	i := 0
	for b.Loop() {
		i++
		b.Run(fmt.Sprintf("instance #%02d", i), func(b *testing.B) {
			_, err := generator.Generate()
			if err != nil {
				b.Error(err)
			}
		})
	}
}