#!/bin/bash

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

# Load common variables and helpers
source _common.sh
source /usr/share/yunohost/helpers

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

upgrade_type=$(ynh_check_app_version_changed)

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

# If secret_key doesn't exist, create it
if [ -z "${secret_key:-}" ]; then
	secret_key=$(ynh_string_random --length=50)
	ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key
fi

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=5

	if [ ! -d "$data_dir/data" ]; then
    	ynh_print_warn "Migrating data directory to $data_dir..."

    	# remove old configuration files
		ynh_secure_remove --file="$install_dir/data/config.local.user.php"
		ynh_secure_remove --file="$install_dir/config.local.yunohost.php"
		
		mv "$install_dir/data" "$data_dir"
	fi

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir" --keep="config.local.php data/plugins"
fi

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

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

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

# Create a dedicated NGINX config
ynh_add_nginx_config

ynh_add_config --template="cron" --destination="/etc/cron.d/$app"
chown root: "/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=5

# Install configuration files
ynh_add_config --template="config.local.php" --destination="$install_dir/config.local.php"

chmod 650 "$install_dir/config.local.php"
chown $app:$app "$install_dir/config.local.php"

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

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