package game

import (
	"fmt"

	"github.com/google/uuid"
	"github.com/iliadenisov/galaxy/pkg/repo"
)

type ctrl struct {
	param Param
	repo  Repo
}

type Param struct {
	StoragePath string
}

func ComposeGame(configure func(*Param), races []string) (gameID uuid.UUID, err error) {
	control(configure, func(c *ctrl) { c.execute(func(r Repo) { gameID, err = newGame(r, races) }) })
	return
}

func newController(configure func(*Param)) (*ctrl, error) {
	c := &Param{
		StoragePath: ".",
	}
	if configure != nil {
		configure(c)
	}
	r, err := repo.NewFileRepo(c.StoragePath)
	if err != nil {
		return nil, err
	}
	return &ctrl{
		param: *c,
		repo:  r,
	}, nil
}

func control(configure func(*Param), consumer func(*ctrl)) error {
	c, err := newController(configure)
	if err != nil {
		return err
	}
	consumer(c)
	return nil
}

func (c *ctrl) execute(consumer func(Repo)) error {
	if err := c.repo.Lock(); err != nil {
		return fmt.Errorf("execute: lock failed: %s", err)
	}
	consumer(c.repo)
	return c.repo.Release()
}