import csv

from ki.models import Language, Skill
from app import app, db


@app.cli.command("seed")
def seed():

    skill_seed_file_path = app.config["KI_DATA_DIR"] + "/seed_data/skills.csv"

    with open(skill_seed_file_path) as skills_file:
        skills_csv_reader = csv.DictReader(skills_file)

        for skill in skills_csv_reader:
            id = int(skill["id"])
            db_skill = Skill.query.get(id)

            if db_skill is None:
                db.session.add(Skill(id=int(skill["id"]), name=skill["name"]))

    iso_seed_file_path = app.config["KI_DATA_DIR"] + "/seed_data/iso_639_1.csv"

    with open(iso_seed_file_path) as iso_file:
        iso_csv_reader = csv.DictReader(iso_file)

        for iso in iso_csv_reader:
            id = iso["639-1"]
            db_language = Language.query.get(id)

            if db_language is None:
                db.session.add(Language(id=iso["639-1"], name=iso["Sprache"]))

    db.session.commit()