package app

import (
	"go.uber.org/fx"
	"os"
	"time"
	uc "universe.mrlokop.dev/core/config"
	"universe.mrlokop.dev/core/fs"
)

func StartApplication(
	runDirectory string,
) error {
	if runDirectory == "" {
		runEnv := os.Getenv("UNIVERSE_RUN_PATH")
		if runEnv == "" {
			runDirectory = "."
		} else {
			runDirectory = runEnv
		}
	}

	cfg := new(uc.UniverseConfig)
	err := uc.LoadConfigFromDirectory(runDirectory, cfg)
	if err != nil {
		return err
	}

	app := NewUniverseApplication(cfg)

	baseModule, err := Module.Create("$base", make(map[string]interface{}))
	if err != nil {
		return err
	}

	app.WithOption(
		fx.StartTimeout(10*time.Minute),
		fx.Supply(cfg),
		fx.Provide(func() RunPath {
			return fs.System.INodeAt(runDirectory)
		}),
		baseModule,
	)

	return app.Run()
}