import argparse
import sys
from pathlib import Path

import yaml

import ee.tools
from ee.part import PartDb, save_db
from ee.xml import types


def import_parts_yaml(in_file: Path, out_dir: Path):
    with in_file.open("r") as f:
        doc = yaml.safe_load(f)

    if not isinstance(doc, list):
        print("Bad YAML document, the root must be a list", file=sys.stderr)

    parts = PartDb()
    for item in doc:
        if not isinstance(item, dict):
            print("Bad YAML document, each part must be a dict", file=sys.stderr)
            return

        part_number_list = types.PartNumberList()

        mpn = item.get("mpn")
        assert isinstance(mpn, str)
        part_number_list.part_number.append(types.PartNumber(value=mpn))

        id_ = mpn

        part = types.Part(id=id_)
        part.part_numbersProp = part_number_list
        parts.add_entry(part, True)

    print("Imported {} parts".format(parts.size()))
    save_db(out_dir, parts)


parser = argparse.ArgumentParser()
ee.tools.add_default_argparse_group(parser)

parser.add_argument("--in",
                    dest="in_path",
                    required=True,
                    metavar="PARTS_YAML")

parser.add_argument("--out",
                    required=True,
                    metavar="PART DB")

args = parser.parse_args()
ee.tools.process_default_argparse_group(args)

import_parts_yaml(Path(args.in_path), Path(args.out))