#!/bin/sh
set -eu

cd /var/www/html

trap 'exit 0' INT TERM

interval="${WP_CRON_INTERVAL_SECONDS:-300}"
case "$interval" in
    "" | *[!0-9]*)
        echo "WP_CRON_INTERVAL_SECONDS must be a positive integer." >&2
        exit 1
        ;;
esac

if [ "$interval" -lt 60 ]; then
    echo "WP_CRON_INTERVAL_SECONDS must be at least 60 seconds." >&2
    exit 1
fi

while [ ! -f /var/www/html/wp-load.php ]; do
    sleep 10
done

until wp core is-installed >/dev/null 2>&1; do
    sleep 10
done

while :; do
    if ! wp cron event run --due-now >/dev/null 2>&1; then
        echo "Warning: failed to run due WordPress cron events." >&2
    fi

    sleep "$interval" &
    wait "$!"
done