#!/usr/bin/env python3

import os
import shutil

# Mostly copypasta from https://github.com/LongHairedHacker/verdandi/blob/master/mixins/fileassetsmixin.py


def copy_file(source_path, dest_path):
    print("Copying %s to %s" % (source_path, dest_path))

    dest_dir = os.path.dirname(dest_path)

    if not os.path.exists(dest_dir):
        os.makedirs(dest_dir)
    shutil.copy(source_path, dest_path)


def copy_dir(source_path, dest_path):
    # /foo/bar /rofl -> contents of bar go to rofl/bar
    # /foo/bar/ /rofl -> contests of bar got to rofl/
    # Trailing slash on destination should have no effect

    # Will be '' in case of a trailing slash: /foo/bar/ else bar
    source_base = os.path.basename(source_path)
    # /rofl will become /rofl/ if base is '' otherwise it will become /rofl/bar
    dest_path = os.path.join(dest_path, source_base)

    if not os.path.exists(dest_path):
        os.makedirs(dest_path)

    # Discover the whole tree and copy each file individually
    for source_dir, _, files in os.walk(source_path):
        rel_path = os.path.relpath(source_dir, source_path)
        # Purely cosmetical for debug output
        if rel_path == '.':
            dest_dir = dest_path
        else:
            dest_dir = os.path.join(dest_path, rel_path)

        for source_file in files:
            file_source_path = os.path.join(source_dir, source_file)
            file_dest_path = os.path.join(dest_dir, source_file)
            copy_file(file_source_path, file_dest_path)