package preprocessor

import (
	"errors"

	cbcscheme "git.buran.team/main/cbc/scheme"
)

const PREPROCESSOR_KIND_GO_MOD_TIDY = "go_mod_tidy"
const PREPROCESSOR_KIND_GO_MOD_VENDOR = "go_mod_vendor"
const PREPROCESSOR_KIND_GO_FMT = "go_fmt"

var ErrKindUnknown = errors.New("kind unknown")

type Preprocessor interface {
	Process(path string) ([]byte, []byte, error)
}

func NewPreprocessor(preprocessorScheme cbcscheme.TaskPreprocessor) (Preprocessor, error) {
	switch preprocessorScheme.Kind {
	case PREPROCESSOR_KIND_GO_MOD_TIDY:
		return NewGoModTidyPreprocessor(preprocessorScheme)

	case PREPROCESSOR_KIND_GO_MOD_VENDOR:
		return NewGoModVendorPreprocessor(preprocessorScheme)

	case PREPROCESSOR_KIND_GO_FMT:
		return NewGoFmtPreprocessor(preprocessorScheme)
	}

	return nil, ErrKindUnknown
}