import argparse
import csv
from pathlib import Path

from ee import tools
from ee.part import Part, load_db
from ee.tools import mk_dirs


def work(in_path: Path, work_dir: Path):
    in_parts = load_db(in_path)

    print_header = False

    tools.mk_dirs(work_dir)
    with (work_dir / "facts.dl").open("w") as f:
        print(".decl part(uri:symbol, ref:symbol)", file=f)
        print(".input part", file=f)
        print("", file=f)
        print(".decl fact(part_uri:symbol, key:symbol, value:symbol)", file=f)
        print(".input fact", file=f)

    part_count = 0
    fact_count = 0

    in_dir = work_dir / "in"
    mk_dirs(in_dir)
    with (in_dir / "part.facts").open("w") as part_f:
        with (in_dir / "fact.facts").open("w") as fact_f:
            part_csv = csv.writer(part_f, dialect="excel-tab")
            if print_header:
                part_csv.writerow(["uri", "ref"])

            fact_csv = csv.writer(fact_f, dialect="excel-tab")
            if print_header:
                fact_csv.writerow(["part_uri", "key", "value"])

            for xml in load_db(in_path).iterparts():
                p = Part(xml)
                sch_ref = p.get_only_schematic_reference()
                part_csv.writerow([p.uri, sch_ref.referenceProp if sch_ref else None])
                part_count += 1

                for fact in p.get_facts():
                    fact_csv.writerow([p.uri, fact.keyProp, fact.valueProp])
                    fact_count += 1

    print("Loaded clauses: {} parts, {} facts".format(part_count, fact_count))


parser = argparse.ArgumentParser()

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

parser.add_argument("--work",
                    required=True,
                    metavar="DIR")

args = parser.parse_args()

work(Path(args.in_path), Path(args.work))