package game_test

import (
	"fmt"
	"testing"

	"github.com/iliadenisov/galaxy/pkg/game"
	mg "github.com/iliadenisov/galaxy/pkg/model/game"
	"github.com/iliadenisov/galaxy/pkg/util"
	"github.com/stretchr/testify/assert"
)

const (
	testRaceCount = 20
)

func raceNum(i int) string {
	return fmt.Sprintf("race_%02d", i)
}

func TestComposeGame(t *testing.T) {
	g(t, func(p func(*game.Param), g func() mg.Game) {
		_, err := game.GenerateGame(p, []string{"r1", "r2"})
		assert.Error(t, err)
		assert.ErrorContains(t, err, "state for turn 0 already saved")
	})
}

func g(t *testing.T, f func(func(*game.Param), func() mg.Game)) {
	root, cleanup := util.CreateWorkDir(t)
	defer cleanup()
	races := make([]string, testRaceCount)
	for i := range testRaceCount {
		races[i] = raceNum(i)
	}
	p := func(p *game.Param) { p.StoragePath = root }
	_, err := game.GenerateGame(p, races)
	if err != nil {
		assert.FailNow(t, "g: ComposeGame", err)
		return
	}
	g := func() mg.Game {
		g, err := game.LoadState(p)
		if err != nil {
			assert.FailNow(t, "g: LoadState", err)
			return mg.Game{}
		}
		return g
	}
	f(p, g)
}