#!/bin/bash
# info: add file manager functionality to Hestia Control Panel
# options: none
#
# The function installs the File Manager on the server
# for access through the Web interface.

#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Includes
source $HESTIA/func/main.sh
source $HESTIA/conf/hestia.conf

MODE=$1
user="admin"

FM_INSTALL_DIR="$HESTIA/web/fm"
FM_V="7.4.1"
FM_FILE="filegator_v${FM_V}.zip"
FM_URL="https://github.com/filegator/filegator/releases/download/v${FM_V}/${FM_FILE}"
COMPOSER_BIN="$HOMEDIR/$user/.composer/composer"


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

# Checking root permissions
if [ "x$(id -u)" != 'x0' ]; then
    echo "ERROR: v-add-sys-filemanager can be run executed only by root user"
    exit 10
fi

# Ensure that $HESTIA (/usr/local/hestia/) and other variables are valid.
if [ -z "$HESTIA" ]; then
    HESTIA="/usr/local/hestia"
fi

if [ -z "$HOMEDIR" ] || [ -z "$HESTIA_INSTALL_DIR" ]; then
    echo "ERROR: Environment variables not present, installation aborted."
    exit 2
fi

# Ensure that Composer is installed for the user before continuing as it is a dependency of the File Manager.
if [ ! -f "$COMPOSER_BIN" ]; then
    $BIN/v-add-user-composer "$user"
    if [ $? -ne 0 ]; then
        $BIN/v-add-user-notification admin 'Composer installation failed!' '<b>The File Manager will not work without Composer.</b><br><br>Please try running the installer manually from a shell session:<br>v-add-sys-filemanager<br><br>If this continues, open an issue report on <a href="https://github.com/hestiacp/hestiacp/issues" target="_new"><i class="fab fa-github"></i> GitHub</a>.'
        exit 1
    fi
fi

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

rm --recursive --force "$FM_INSTALL_DIR"
mkdir -p "$FM_INSTALL_DIR"
cd "$FM_INSTALL_DIR"

[ ! -f "${FM_INSTALL_DIR}/${FM_FILE}" ] && wget "$FM_URL" --quiet -O "${FM_INSTALL_DIR}/${FM_FILE}"

unzip -qq "${FM_INSTALL_DIR}/${FM_FILE}"
mv --force ${FM_INSTALL_DIR}/filegator/* "${FM_INSTALL_DIR}"
rm --recursive --force ${FM_INSTALL_DIR}/filegator
[[ -f "${FM_INSTALL_DIR}/${FM_FILE}" ]] && rm "${FM_INSTALL_DIR}/${FM_FILE}"

cp --recursive --force ${HESTIA_INSTALL_DIR}/filemanager/filegator/* "${FM_INSTALL_DIR}"

chown $user: -R "${FM_INSTALL_DIR}"

COMPOSER_HOME="$HOMEDIR/$user/.config/composer" user_exec /usr/bin/php $COMPOSER_BIN --quiet --no-dev install

# Check if installation was successful, if not abort script and throw error message notification and clean-up
if [ $? -ne 0 ]; then
    echo "ERROR: File Manager installation failed!"
    echo "Please report this to our development team:"
    echo "https://github.com/hestiacp/hestiacp/issues"
    $BIN/v-add-user-notification admin 'File Manager installation failed!' 'Please report this to our development team on <a href="https://github.com/hestiacp/hestiacp/issues" target="_new"><i class="fab fa-github"></i> GitHub</a>.'
    # Installation failed, clean up files
    rm --recursive --force ${FM_INSTALL_DIR}
    $BIN/v-change-sys-config-value 'FILE_MANAGER' 'false'
    exit 1
fi

# Add configuration file
cp -f $HESTIA_INSTALL_DIR/filemanager/filegator/configuration.php $HESTIA/web/fm/configuration.php


# Set permissions
chown root: -R "${FM_INSTALL_DIR}"
chown $user: "${FM_INSTALL_DIR}/private"
chown $user: "${FM_INSTALL_DIR}/private/logs"
chown $user: "${FM_INSTALL_DIR}/repository"

$BIN/v-change-sys-config-value 'FILE_MANAGER' 'true'

if [ "$MODE" != "quiet" ]; then
    echo "File Manager is now installed and ready for use."  
fi

#----------------------------------------------------------#
#                       Logging                            #
#----------------------------------------------------------#

log_history "file manager installed" '' 'admin'
log_event "$OK" "$ARGUMENTS"
