#!/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

if [ -z "${smtp_host:-}" ]; then
  user_conf="$data_dir/data/config.local.user.php"
	if [ -f $user_conf ]; then
		smtp_host=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_HOST)
		smtp_port=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_PORT)
		smtp_user=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_USER)
		smtp_password=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_PASSWORD)
		smtp_security=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_SECURITY)
		mail_return_path=$(ynh_read_var_in_file --file=$user_conf --key=MAIL_RETURN_PATH)
		mail_sender=$(ynh_read_var_in_file --file=$user_conf --key=MAIL_SENDER)
		ynh_replace_string --match_string="const SMTP_" --replace_string="//const SMTP_" --target_file=$user_conf
		ynh_replace_string --match_string="const MAIL_" --replace_string="//const MAIL_" --target_file=$user_conf
	else
		smtp_host=$domain
		smtp_port=25
		smtp_user=$app
		smtp_password=$mail_pwd
		smtp_security=STARTTLS
		mail_return_path=$app@$domain
		mail_sender=$app@$domain
	fi
		ynh_app_setting_set --app=$app --key=smtp_host --value=$smtp_host
		ynh_app_setting_set --app=$app --key=smtp_port --value=$smtp_port
		ynh_app_setting_set --app=$app --key=smtp_user --value=$smtp_user
		ynh_app_setting_set --app=$app --key=smtp_password --value=$smtp_password
		ynh_app_setting_set --app=$app --key=smtp_security --value=$smtp_security
		ynh_app_setting_set --app=$app --key=mail_return_path --value=$mail_return_path
		ynh_app_setting_set --app=$app --key=mail_sender --value=$mail_sender
fi

#=================================================
# KEEP CONFIGS IF NEEDED
#=================================================

if [ -f "$install_dir/config.local.yunohost.php" ]
then
	ynh_script_progression --message="cleaning conf files..." --weight=5
	ynh_secure_remove "$install_dir/config.local.php"
	mv "$install_dir/config.local.yunohost.php" "$install_dir/config.local.php"
	chmod 440 "$install_dir/config.local.php"
	chown $app:$app "$install_dir/config.local.php"
	ynh_store_file_checksum --file="$install_dir/config.local.php"
fi

ynh_script_progression --message="removing old conf files if they exist..." --weight=5

if [ -f "$install_dir/config.local.user.php" ]; then
	ynh_secure_remove "$install_dir/config.local.user.php"
fi

if [ -f "$install_dir/data/config.local.user.php" ]; then
	ynh_secure_remove "$install_dir/data/config.local.user.php"
fi

if [ -d "$install_dir/data/data" ]; then
	ynh_secure_remove "$install_dir/data/data"
fi


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

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

	# 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 440 "$install_dir/config.local.php"
chown $app:$app "$install_dir/config.local.php"

ynh_replace_string --match_string="//require '$data_dir/data/config.local.user.php';" --replace_string="require '$data_dir/data/config.local.user.php';" --target_file="$install_dir/config.local.php"

if ynh_compare_current_package_version --comparison le --version 1.3.6~ynh2 && ynh_compare_current_package_version --comparison ge --version 1.3.0~ynh1; then
  ynh_script_progression --message="keep old user configuration file..." --weight=5
  mv "$data_dir/data/config.local.user.php" "$data_dir/data/config.local.user.php.old"
  ynh_add_config --template="config.local.user.php" --destination="$data_dir/data/config.local.user.php"
  chmod 640 "$data_dir/data/config.local.user.php"
  chown $app:$app "$data_dir/data/config.local.user.php"
fi

#=================================================
# ADD A CONFIG FILE
#=================================================

if [ ! -d "$data_dir/data" ]; then
	ynh_script_progression --message="Adding a configuration directory..." --weight=5
	mkdir "$data_dir/data"
	chmod 770 "$data_dir/data"
	chown -R $app:www-data "$data_dir/data"
else
  chown -R $app:www-data "$data_dir/data/cache"
  chown $app:www-data "$data_dir/data/index.html"
fi

if [ ! -f "$data_dir/data/config.local.user.php" ]; then
  ynh_script_progression --message="Adding a configuration file..." --weight=5
  ynh_add_config --template="config.local.user.php" --destination="$data_dir/data/config.local.user.php"
  chmod 640 "$data_dir/data/config.local.user.php"
  chown $app:$app "$data_dir/data/config.local.user.php"
fi

if [ ! -d "$data_dir/data/local_addresses" ]; then
  ynh_script_progression --message="Adding a configuration directory..." --weight=5
  mkdir "$data_dir/data/local_addresses"
  chmod 770 "$data_dir/data/local_addresses"
  chown -R $app:www-data "$data_dir/data/local_addresses"
else
  chown -R $app:www-data "$data_dir/data/local_addresses"
  chown $app:www-data "$data_dir/data/local_addresses"
fi

if [ -f "$install_dir/data/association.sqlite" ]; then
	ynh_script_progression --message="Moving db files..." --weight=5
	mv $install_dir/data/association.*  $data_dir/data/
	ynh_secure_remove "$install_dir/data/association.*"
fi

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

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