#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

timezone="$(cat /etc/timezone)"
log_dir="/var/log/$app/"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
    ynh_script_progression --message="Upgrading source files..."

    mkdir "$install_dir/bkp"
    conf_files_to_keep="config.php backend/caldav/config.php backend/carddav/config.php backend/imap/config.php backend/combined/config.php autodiscover/config.php backend/searchldap/config.php"
    for file in $conf_files_to_keep
    do
        if [ -e $install_dir/$file ]
        then
            mkdir -p $install_dir/bkp/$(dirname $file)
            cp $install_dir/$file $install_dir/bkp/$file
        fi
    done

    # Download, check integrity, uncompress and patch the source from app.src
    mkdir "$install_dir/tmp"
    ynh_setup_source --dest_dir="$install_dir/tmp" --full_replace=1
    cp -af "$install_dir/tmp/src/." "$install_dir/."
    ynh_secure_remove --file="$install_dir/tmp"

    for file in $conf_files_to_keep
    do
        if [ -e $install_dir/bkp/$file ]
        then
            cp $install_dir/bkp/$file $install_dir/$file
        fi
    done
    ynh_secure_remove --file="$install_dir/bkp"
fi

chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Installing system configurations..."

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

# Create a dedicated NGINX config
ynh_add_nginx_config

mkdir -p $log_dir
chmod 750 "$log_dir"
chmod -R o-rwx "$log_dir"
chown -R $app:www-data "$log_dir"

ynh_use_logrotate --non-append

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a config file..."

# Enable caldav carddav support
if yunohost app list | grep -q 'id: baikal' ; then
    echo "Detected Baikal"
    baikaldomain=$(ynh_app_setting_get --app="baikal" --key=domain)
    baikalpath=$(ynh_app_setting_get --app="baikal" --key=path)
    baikalpath=${baikalpath%/}

    # Variables to hydrate template
    backend="BackendCombined"
    caldav_server="$baikaldomain"
    caldav_path="${baikalpath}/cal.php/calendars/%u/"
    caldav_personal="default"

    carddav_server="$baikaldomain"
    carddav_path="${baikalpath}/card.php/addressbooks/%u/"
    carddav_default_path="${baikalpath}/card.php/addressbooks/%u/default"

    imap_server="$domain"
    imap_meeting_use_caldav="true"

    ynh_add_config --template="backend/config-caldav.php" --destination="$install_dir/backend/caldav/config.php"
    ynh_add_config --template="backend/config-carddav.php" --destination="$install_dir/backend/carddav/config.php"
    ynh_add_config --template="backend/config-imap.php" --destination="$install_dir/backend/imap/config.php"
    ynh_add_config --template="backend/config-combined.php" --destination="$install_dir/backend/combined/config.php"

elif yunohost app list | grep -q 'id: nextcloud' ; then
    echo "Detected NextCloud"
    nextclouddomain=$(ynh_app_setting_get --app="nextcloud" --key=domain)
    nextcloudpath=$(ynh_app_setting_get --app="nextcloud" --key=path)
    nextcloudpath=${nextcloudpath%/}

    # Variables to hydrate template
    backend="BackendCombined"
    caldav_server="$nextclouddomain"
    caldav_path="${nextcloudpath}/remote.php/dav/calendars/%u/"
    caldav_personal="personal"

    carddav_server="$nextclouddomain"
    carddav_path="${nextcloudpath}/remote.php/dav/addressbooks/users/%u/"
    carddav_default_path="${nextcloudpath}/remote.php/dav/addressbooks/users/%u/"

    imap_server="$domain"
    imap_meeting_use_caldav="true"

    ynh_add_config --template="backend/config-caldav.php" --destination="$install_dir/backend/caldav/config.php"
    ynh_add_config --template="backend/config-carddav.php" --destination="$install_dir/backend/carddav/config.php"
    ynh_add_config --template="backend/config-imap.php" --destination="$install_dir/backend/imap/config.php"
    ynh_add_config --template="backend/config-combined.php" --destination="$install_dir/backend/combined/config.php"

else
    backend="BackendIMAP"
    imap_server="$domain"
    imap_meeting_use_caldav="false"
    
    ynh_add_config --template="backend/config-imap.php" --destination="$install_dir/backend/imap/config.php"
fi

# Copy config
ynh_add_config --template="config.php" --destination="$install_dir/config.php"
ynh_add_config --template="backend/config-autodiscover.php" --destination="$install_dir/autodiscover/config.php"
ynh_add_config --template="backend/config-searchldap.php" --destination="$install_dir/backend/searchldap/config.php"

# Fixstates to avoid full resync of devices after version upgrades
$install_dir/z-push-admin.php -a fixstates

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --last