package generator

import (
	"os"
	"path"
	"path/filepath"
	"strings"
)

// todo: transform this to use concurrency
func Generate(namespace string, features []Feature, outputDirectory string) error {
	for _, feature := range features {
		file, err := feature.Emit()
        if err != nil {
            return err
        }

        path := path.Join(outputDirectory, namespace, strings.ReplaceAll(file.Path, "%namespace%",namespace))
        if err := writeFile(path, file.Content); err != nil {
            return err
        }
	}
	return nil
}

func writeFile(path string, content []byte) error {
	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
		return err
	}

	file, err := os.Create(path)
	if err != nil {
		return err
	}

	defer file.Close()

	_, err = file.Write(content)
	if err != nil {
		return err
	}

	return nil
}