package build

import (
	"path/filepath"
)

// Build describes a compiler build.
type Build struct {
	Directory       string
	WriteExecutable bool
}

// New creates a new build.
func New(directory string) *Build {
	return &Build{
		Directory:       directory,
		WriteExecutable: true,
	}
}

// Run parses the input files and generates an executable file.
func (build *Build) Run() error {
	functions, err := Compile(build.Directory)

	if err != nil {
		return err
	}

	if !build.WriteExecutable {
		return nil
	}

	path := build.Executable()
	code, data := Finalize(functions)
	return Write(path, code, data)
}

// Executable returns the path to the executable.
func (build *Build) Executable() string {
	return filepath.Join(build.Directory, filepath.Base(build.Directory))
}