from pathlib import Path

from django.conf import settings
from django.core.management.base import BaseCommand
from django.template.loader import render_to_string
from django.utils.translation import to_locale

ROOT = Path(settings.PROJECT_DIR) / "static/umap/locale/"


class Command(BaseCommand):
    def handle(self, *args, **options):
        self.verbosity = options["verbosity"]
        for code, name in settings.LANGUAGES:
            code = to_locale(code)
            if self.verbosity > 0:
                print("Processing", name)
            path = ROOT / "{code}.json".format(code=code)
            if not path.exists():
                print(path, "does not exist.", "Skipping")
            else:
                with path.open(encoding="utf-8") as f:
                    if self.verbosity > 1:
                        print("Found file", path)
                    self.render(code, f.read())

    def render(self, code, json):
        path = ROOT / "{code}.js".format(code=code)
        with path.open("w", encoding="utf-8") as f:
            content = render_to_string(
                "umap/locale.js", {"locale": json, "locale_code": code}
            )
            if self.verbosity > 1:
                print("Exporting to", path)
            f.write(content)