#!/bin/bash

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

source _common.sh
source /usr/share/yunohost/helpers
# Overload the helper ynh_handle_getopts_args to have fixes from unstable.
# Needed for ynh_add_fail2ban_config
source _getopts_fix.sh

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
admin=$(ynh_app_setting_get $app adminusername)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set $app is_public 1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set $app is_public 0
	is_public=0
fi

# If db_name doesn't exist, create it
if [ -z $db_name ]; then
	db_name=$(ynh_sanitize_dbid $app)
	ynh_app_setting_set $app db_name $db_name
fi

# If final_path doesn't exist, create it
if [ -z $final_path ]; then
	final_path=/var/www/$app
	ynh_app_setting_set $app final_path $final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK THE PATH
#=================================================

# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path $path_url)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_print_info "Upgrading source files..."

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"

mkdir -p $final_path/sessions/

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a dedicated user (if not existing)
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CREATE CONFIG.PHP
#=================================================

# Retrieve admin email
email=$(ynh_user_get_info $admin mail)

# Copy and edit config.php
config_php="${final_path}/config.php"

ynh_backup_if_checksum_is_different "$config_php"

cp ../conf/config.php "$config_php"
db_pwd=$(ynh_app_setting_get $app mysqlpwd)
ynh_replace_string "__DB_PWD__" "$db_pwd" "$config_php"
ynh_replace_string "__DB_NAME__" $db_name "$config_php"
ynh_replace_string "__USER__"    $admin   "$config_php"
ynh_replace_string "__EMAIL__"   $email   "$config_php"
ynh_replace_string "__DOMAIN__"  $domain  "$config_php"

#=================================================
# UPGRADE KANBOARD
#=================================================

(
	cd "$final_path"
	# Launch database migration
	php cli db:migrate --no-interaction --verbose
	# Launch plugins migration
	php cli plugin:upgrade --no-interaction --verbose
)

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
chown -R root: $final_path
chown -R $app $final_path/{data,plugins,sessions}
chmod -R 700 $final_path/sessions

#=================================================
# SETUP FAIL2BAN
#=================================================

ynh_add_fail2ban_config --logpath="/var/log/nginx/$domain-error.log" --failregex="^.*authentication failure\" while reading response header from upstream, client: <HOST>,.*$" --max_retry=5

#=================================================
# SETUP SSOWAT
#=================================================

# Make app public or private
if [ $is_public -eq 1 ]
then
	ynh_app_setting_set $app unprotected_uris "/"
	ynh_replace_string "define('LDAP_AUTH'.*$"        "define('LDAP_AUTH', true);"        "$config_php"
	ynh_replace_string "define('HIDE_LOGIN_FORM'.*$"  "define('HIDE_LOGIN_FORM', false);" "$config_php"
	ynh_replace_string "define('REMEMBER_ME_AUTH'.*$" "define('REMEMBER_ME_AUTH', true);" "$config_php"
	ynh_replace_string "define('DISABLE_LOGOUT'.*$"   "define('DISABLE_LOGOUT', false);"  "$config_php"
else
	ynh_app_setting_set $app unprotected_uris "/jsonrpc.php"
fi

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$config_php"

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx

#=================================================
#=================================================