#!/bin/bash

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

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

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

if [ "$upgrade_type" == "UPGRADE_APP" ]; then
    ynh_script_progression --message="Upgrading source files..." --weight=1

    # Download, check integrity, uncompress and patch the source from app.src
    ynh_setup_source --dest_dir="$install_dir"
fi

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

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a calibre directory..." --weight=1

# build multimedia directory
ynh_multimedia_build_main_dir
ynh_multimedia_addaccess "$app"

calibre_dir="/home/yunohost.multimedia/share/eBook"
ynh_app_setting_set --app=$app --key=calibre_dir --value=$calibre_dir

# Check if metadata.db file exists. If not create it (empty library)
if [ ! -e "$calibre_dir/metadata.db" ]; then
    cp -a ../conf/metadata.db.empty "$calibre_dir/metadata.db"
fi

chmod 750 "$calibre_dir"
chmod -R o-rwx "$calibre_dir"
chown -R $app:www-data "$calibre_dir"

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

timezone="$(cat /etc/timezone)"

ynh_add_config --template="../conf/config_local.php" --destination="$install_dir/config_local.php"

chmod 400 "$install_dir/config_local.php"
chown $app "$install_dir/config_local.php"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading $app's service..." --weight=1

ynh_systemd_action --service_name=php$phpversion-fpm --action=reload

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

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