#!/usr/bin/env sh
set -eu

# Properly detect requested redirect
if [ "${REDIRECT_PROTO}" == "auto" ]; then
    REDIRECT_PROTO="\$http_x_forwarded_proto";
elif [ "${REDIRECT_PROTO}" != "http" ] && [ "${REDIRECT_PROTO}" != "https" ]; then
    echo "ERROR: Invalid value for REDIRECT_PROTO, got '${REDIRECT_PROTO}'" >&2
    echo "ERROR: Valid values are: 'auto', 'http' or 'https'" >&2
    exit 1
fi

# Replace templates in nginx config
for file in /etc/nginx/*/*.tpl; do
    sed \
        -e "s#{{DOCUMENT_ROOT}}#${DOCUMENT_ROOT}#g" \
        -e "s#{{REDIRECT_CODE}}#${REDIRECT_CODE}#g" \
        -e "s#{{REDIRECT_PROTO}}#${REDIRECT_PROTO}#g" \
        "${file}" \
        > "${file%.tpl}"
done

# Activate the right
rm -f /etc/nginx/sites-enabled/redirect-*.conf
if [[ -f "/etc/nginx/sites-available/redirect-${REDIRECT_MODE}.conf" ]]; then
    ln -s \
        "/etc/nginx/sites-available/redirect-${REDIRECT_MODE}.conf" \
        "/etc/nginx/sites-enabled/redirect-${REDIRECT_MODE}.conf"
fi

# Configure or disable XDebug as requested
XDEBUG_INI="/usr/local/etc/php/conf.d/10-xdebug.ini"
if [ ${XDEBUG} = true ] || [ "${XDEBUG}" == "1" ]; then
    for setting in $(env | egrep '^XDEBUG_'); do
        key=$(echo "${setting}" | cut -d'=' -f1 | sed -e 's/XDEBUG_/xdebug./' | tr 'A-Z' 'a-z')
        value=$(echo "${setting}" | cut -d'=' -f2-)
        echo "${key}=${value}" >> "${XDEBUG_INI}"
    done
else
    rm -f "${XDEBUG_INI}"
fi

exec /usr/bin/supervisord -c /etc/supervisord.conf