<!--gXm5Ca30-->
#!/bin/bash
set -euo pipefail

copy_default_uploads() {
        if [ ! -d ./wp-content/.uploads-default ]; then
                echo "No default uploads detected to copy."
                return
        fi

        local TIME_BUILD=`cat /container-build-time`
        local TIME_VOLUME=`[ -f ./wp-content/uploads/.defaults-copy-time ] && cat ./wp-content/uploads/.defaults-copy-time || echo "0"`

        if [ "$TIME_BUILD" -eq "$TIME_VOLUME" ]; then
                echo "No need to copy files, both are: $TIME_VOLUME"
        else
                echo "Timestamps not equal: $TIME_BUILD !== $TIME_VOLUME"
                cp /container-build-time ./wp-content/uploads/.defaults-copy-time
                cp -Tru --preserve=all ./wp-content/.uploads-default ./wp-content/uploads
                rm -rf ./wp-content/.uploads-default
                echo "Done copying default upload files"
        fi
}

# This ensures our git tracked default uploads are available to the customer on first run.
copy_default_uploads

# usage: exp_env VAR [DEFAULT]
exp_env() {
        local var="$1"
        local val="${2:-}"
        if [ "${!var:-}" ]; then
                val="${!var}"
        fi
        export "$var"="$val"
}

if [[ "$1" == apache2* ]] || [ "$1" == php-fpm ]; then
        if [ "$(id -u)" = '0' ]; then
                case "$1" in
                        apache2*)
                                user="${APACHE_RUN_USER:-www-data}"
                                group="${APACHE_RUN_GROUP:-www-data}"
                                ;;
                        *) # php-fpm
                                user='www-data'
                                group='www-data'
                                ;;
                esac
        else
                user="$(id -u)"
                group="$(id -g)"
        fi

        # allow any of these values to be specified via environment variables
        # with a "WORDPRESS_" prefix (ie, "WORDPRESS_DB_HOST")
        envs=(
                WORDPRESS_DB_HOST
                WORDPRESS_DB_NAME
                WORDPRESS_TABLE_PREFIX
                WORDPRESS_DEBUG
        )
        haveConfig=
        for e in "${envs[@]}"; do
                exp_env "$e"
                if [ -z "$haveConfig" ] && [ -n "${!e}" ]; then
                        haveConfig=1
                fi
        done

        # only touch "wp-config.php" if we have environment-supplied configuration values
        if [ "$haveConfig" ]; then
                : "${WORDPRESS_DB_HOST:=mysql}"
                : "${WORDPRESS_DB_NAME:=wordpress}"

                if [ -f wp-config.translucent-secret.php ]; then
                        echo "Copying WP config"
                        cp wp-config.translucent-secret.php wp-config.php
                        chown "$user:$group" wp-config.php
                else
                        echo "NOT copying WP config, have you set the docker secrets?"
                fi

                # see http://stackoverflow.com/a/2705678/433558
                sed_escape_lhs() {
                        echo "$@" | sed -e 's/[]\/$*.^|[]/\\&/g'
                }
                sed_escape_rhs() {
                        echo "$@" | sed -e 's/[\/&]/\\&/g'
                }
                php_escape() {
                        local escaped="$(php -r 'var_export(('"$2"') $argv[1]);' -- "$1")"
                        if [ "$2" = 'string' ] && [ "${escaped:0:1}" = "'" ]; then
                                escaped="${escaped//$'\n'/"' + \"\\n\" + '"}"
                        fi
                        echo "$escaped"
                }
                set_config() {
                        key="$1"
                        value="$2"
                        var_type="${3:-string}"
                        start="(['\"])$(sed_escape_lhs "$key")\2\s*,"
                        end="\);"
                        if [ "${key:0:1}" = '$' ]; then
                                start="^(\s*)$(sed_escape_lhs "$key")\s*="
                                end=";"
                        fi
                        sed -ri -e "s/($start\s*).*($end)$/\1$(sed_escape_rhs "$(php_escape "$value" "$var_type")")\3/" wp-config.php
                }

                set_config 'DB_HOST' "$WORDPRESS_DB_HOST"
                set_config 'DB_NAME' "$WORDPRESS_DB_NAME"

                if [ "$WORDPRESS_TABLE_PREFIX" ]; then
                        set_config '$table_prefix' "$WORDPRESS_TABLE_PREFIX"
                fi

                if [ "$WORDPRESS_DEBUG" ]; then
                        set_config 'WP_DEBUG' 1 boolean
                fi
        fi

        # now that we're definitely done writing configuration, let's clear out the relevant envrionment variables (so that stray "phpinfo()" calls don't leak secrets from our code)
        for e in "${envs[@]}"; do
                unset "$e"
        done
fi

exec "$@"