#!/bin/sh
set -eu

APP_DIR="$1"
PORT="$2"
DB_PATH="${DJANGO_DB_PATH:-$APP_DIR/db/db.sqlite3}"
DUMP_SRC="$APP_DIR/dumps/example.json"

cd "$APP_DIR"

mkdir -p logs static "$(dirname "$DB_PATH")"

python manage.py migrate

should_load_fixture=0
if [ "${LOAD_FIXTURE_ON_EMPTY_DB:-true}" = "true" ] && [ -f "$DUMP_SRC" ]; then
  if [ ! -s "$DB_PATH" ]; then
    should_load_fixture=1
  else
    entity_conf_count="$(python manage.py shell -c '
from django.db import connection
table = "spid_cie_oidc_entity_federationentityconfiguration"
with connection.cursor() as cursor:
    tables = connection.introspection.table_names(cursor)
    if table not in tables:
        print(0)
    else:
        cursor.execute(f"SELECT COUNT(*) FROM {table}")
        print(cursor.fetchone()[0])
')"
    if [ "${entity_conf_count:-0}" = "0" ]; then
      should_load_fixture=1
    fi
  fi
fi

if [ "$should_load_fixture" = "1" ]; then
  TMP_DUMP="$(mktemp /tmp/visione-fixture.XXXXXX.json)"
  python /app/scripts/rewrite_dumps.py "$DUMP_SRC" "$TMP_DUMP"
  python manage.py loaddata --format=json "$TMP_DUMP"
  rm -f "$TMP_DUMP"
fi

python manage.py collectstatic --noinput

if grep -aEq '127\.0\.0\.1|provider:8002' "$DB_PATH" \
  && [ -n "${DJANGO_ALLOWED_HOSTS:-}" ] \
  && [ "${DJANGO_ALLOWED_HOSTS:-*}" != "*" ]; then
  echo "Refusing to start: bootstrap data still contains internal/local URLs" >&2
  exit 1
fi

exec python manage.py runserver 0.0.0.0:"$PORT"