#!/usr/bin/env bashio
# shellcheck shell=bash
# shellcheck disable=SC2155
set -e

##############
# CLOUDFLARE #
##############

if bashio::config.true "base_url_portless"; then
    export BASE_URL=$(bashio::config 'BASE_URL')
fi

###################
# Define database #
###################

bashio::log.info "Defining database"
export DB_TYPE=$(bashio::config 'DB_TYPE')
case $(bashio::config 'DB_TYPE') in

        # Use sqlite
    sqlite)
        bashio::log.info "Using a local sqlite database $WEBTREES_HOME/$DB_NAME"
        ;;

    mariadb_addon)
        bashio::log.info "Using MariaDB addon. Requirements : running MariaDB addon. Discovering values..."
        if ! bashio::services.available 'mysql'; then
            bashio::log.fatal \
                "Local database access should be provided by the MariaDB addon"
            bashio::exit.nok \
                "Please ensure it is installed and started"
        fi

        # Use values
        export DB_TYPE=mysql
        export DB_HOST=$(bashio::services "mysql" "host") && bashio::log.blue "DB_HOST=$DB_HOST"
        export DB_PORT=$(bashio::services "mysql" "port") && bashio::log.blue "DB_PORT=$DB_PORT"
        export DB_NAME=webtrees && bashio::log.blue "DB_NAME=$DB_NAME"
        export DB_USER=$(bashio::services "mysql" "username") && bashio::log.blue "DB_USER=$DB_USER"
        export DB_PASS=$(bashio::services "mysql" "password") && bashio::log.blue "DB_PASS=$DB_PASS"

        bashio::log.warning "Webtrees is using the Maria DB addon"
        bashio::log.warning "Please ensure this is included in your backups"
        bashio::log.warning "Uninstalling the MariaDB addon will remove any data"

        # Create database
        mysql --host="$(bashio::services 'mysql' 'host')" --port="$(bashio::services 'mysql' 'port')" --user="$(bashio::services "mysql" "username")" --password="$(bashio::services "mysql" "password")" -e"CREATE DATABASE IF NOT EXISTS webtrees;"
        ;;

    external)
        bashio::log.info "Using an external database, please populate all required fields in the config.yaml according to documentation"
        ;;

esac


################
# SSL CONFIG   #
################

bashio::config.require.ssl
if bashio::config.true 'ssl'; then

    #set variables
    CERTFILE=$(bashio::config 'certfile')
    KEYFILE=$(bashio::config 'keyfile')

    #Replace variables
    export SSL_CERT_FILE="/ssl/$CERTFILE"
    export SSL_CERT_KEY_FILE="/ssl/$KEYFILE"

    #Send env variables
    export HTTPS=true
    export SSL=true
    export HTTPS_REDIRECT=true
    BASE_URL=$(bashio::config 'BASE_URL'):$(bashio::addon.port 443)
    export BASE_URL="${BASE_URL/http:/https:}"

    #Communication
    bashio::log.info "Ssl enabled. If webui don't work, disable ssl or check your certificate paths"

else

    export HTTPS=false
    export SSL=false
    export HTTPS_REDIRECT=false
    BASE_URL=$(bashio::config 'BASE_URL'):$(bashio::addon.port 80)
    export BASE_URL="${BASE_URL/https:/http:}"

fi

if bashio::config.true "base_url_portless"; then
    export BASE_URL=$(bashio::config 'BASE_URL')
fi

##############
# LAUNCH APP #
##############

bashio::log.info "Launching app, please wait"

# Change data location
echo "... update data with image"
OLD_WEBTREES_HOME="$WEBTREES_HOME"
export WEBTREES_HOME="/share/webtrees"
cp -rn /var/www/webtrees "$(dirname "$OLD_WEBTREES_HOME")" &>/dev/null || true
mkdir -p "$WEBTREES_HOME"

echo "... update permissions"
chown -R www-data:www-data "$OLD_WEBTREES_HOME"
chown -R www-data:www-data "$WEBTREES_HOME"

# Make links with share
echo "... make links with data in /share"
for VOL in "data" "modules_v4"; do
    mkdir -p "$OLD_WEBTREES_HOME"/"$VOL"
    cp -rn "$OLD_WEBTREES_HOME"/"$VOL" "$WEBTREES_HOME" || true
    # shellcheck disable=SC2115
    rm -r "$OLD_WEBTREES_HOME"/"$VOL" || true
    echo "... linking $VOL"
    ln -s "$WEBTREES_HOME"/"$VOL" "$OLD_WEBTREES_HOME"
done

chown -R www-data:www-data "$WEBTREES_HOME"

# Correct base url if needed
echo "... align base url with latest addon value"
if [ -f "$WEBTREES_HOME"/data/config.ini.php ]; then
    echo "Aligning base_url addon config"
    LINE=$(sed -n '/base_url/=' "$WEBTREES_HOME"/data/config.ini.php)
    sed -i "$LINE a base_url=\"$BASE_URL\"" "$WEBTREES_HOME"/data/config.ini.php
    sed -i "$LINE d" "$WEBTREES_HOME"/data/config.ini.php
fi || true

###################
# TRUSTED HEADERS #
###################

if bashio::config.has_value "trusted_headers" && [ -f "$WEBTREES_HOME"/data/config.ini.php ]; then
    bashio::log.info "Aligning trusted_headers addon config (use single address, or a range of addresses in CIDR format)"
    sed -i "/trusted_headers/ d" "$WEBTREES_HOME"/data/config.ini.php
    sed -i "1a trusted_headers=\"$(bashio::config 'trusted_headers')\"" "$WEBTREES_HOME"/data/config.ini.php
elif [ -f "$WEBTREES_HOME"/data/config.ini.php ]; then
    bashio::log.info "Aligning trusted_headers addon config with cf-connecting-ip"
    sed -i "/trusted_headers/ d" "$WEBTREES_HOME"/data/config.ini.php
    sed -i "1a trusted_headers=\"cf-connecting-ip\"" "$WEBTREES_HOME"/data/config.ini.php
fi

############
# END INFO #
############

DB_NAME=$(echo "$DB_NAME" | tr -d '"')

bashio::log.info "Data is stored in $WEBTREES_HOME"
bashio::log.info "Webui can be accessed at : $BASE_URL"
bashio::log.info "If it is your first boot, the start-up wizard will open"

# Execute main script
echo "python3 /docker-entrypoint.py"
cd /
python3 /docker-entrypoint.py