package wrap

import (
	"context"
	"mayhem-party/src/device/input/button"
	"mayhem-party/src/device/input/raw"
	"os"
)

var (
	FlagBuffered         = os.Getenv("WRAP_BUFFERED") == "true"
	FlagRemapFile        = os.Getenv("WRAP_REMAP_FILE")
	FlagRefreshOnSigUsr1 = os.Getenv("WRAP_REFRESH_ON_SIGUSR1") == "true"
)

type Wrap interface {
	Read() []button.Button
	Close()
	CloseWrap() raw.Raw
}

func New(ctx context.Context, parserFunc func() Wrap) Wrap {
	maker := func() Wrap {
		return parserFunc()
	}
	if FlagBuffered {
		oldMaker := maker
		maker = func() Wrap {
			return NewBuffered(ctx, oldMaker())
		}
	}
	if FlagRemapFile != "" {
		oldMaker := maker
		maker = func() Wrap {
			return NewRemapFromFile(oldMaker(), FlagRemapFile)
		}
	}
	if FlagRefreshOnSigUsr1 {
		oldMaker := maker
		maker = func() Wrap {
			return NewRefresh(ctx, oldMaker)
		}
	}
	return maker()
}