#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

# Retrieve app settings
domain=$(ynh_app_setting_get "$app" domain)
path_url=$(ynh_app_setting_get "$app" path)
port=$(ynh_app_setting_get "$app" port)
ssoenabled=$(ynh_app_setting_get "$app" ssoenabled)
public_site=$(ynh_app_setting_get "$app" public_site)
timezone=$(cat /etc/timezone)
final_path=$(ynh_app_setting_get "$app" final_path)
db_name=$(ynh_app_setting_get "$app" db_name)

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

# 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


# 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

#=================================================
# ACTIVE TRAP
#=================================================

# TODO: activate backup
# 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
#=================================================

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

ynh_install_app_dependencies php-gd php-curl php-imagick php-cli php-zmq

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

ynh_setup_source "$final_path"

## TODO: consider installation in a subpath
ynh_replace_string "'/ws/'" "'${path_url%/}/ws/'" \
    "${final_path}/app/assets/js/movim_websocket.js"

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

#=================================================
# SET PERMISSIONS
#=================================================

chown -R "$app":www-data "$final_path"
find "${final_path}/" -type f -print0 | xargs -0 chmod 0644
find "${final_path}/" -type d -print0 | xargs -0 chmod 0755
chmod 400 "${final_path}/config/db.inc.php"

#=================================================
# Install PHP dependencies using composer
#=================================================

(
	cd "$final_path"
	curl -sS https://getcomposer.org/installer | php -- --install-dir="$final_path" \
		&& php composer.phar config --global discard-changes true --quiet \
		&& php composer.phar install --no-interaction --quiet
)

#=================================================
# Set-up database
#=================================================

(
	cd "$final_path"
	php mud.php db --set
)

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

# Reset SSO parameters
ynh_app_setting_delete "$app" protected_uris
ynh_app_setting_delete "$app" skipped_uris
yunohost app clearaccess "$app"

# Replace old public_site variable (if exists) by ssoenabled
# TODO: add clean support for old/new setting public_site/ssoenabled
if [ ! -z "$public_site" ]; then
    [[ $public_site = "Yes" ]] \
      && ssoenabled="No" \
      || ssoenabled="Yes"
    ynh_app_setting_delete "$app" public_site
    ynh_app_setting_set "$app" ssoenabled "$ssoenabled"
fi

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

# SSOwat configuration
if [[ "$ssoenabled" = "No" ]]; then
    ynh_app_setting_set "$app" skipped_uris "/"
    (cd "$final_path" && php mud.php config --xmppwhitelist="$domain")
    yunohost app ssowatconf
    undo_sso_patch
else
    ynh_app_setting_set "$app" unprotected_uris "/"
fi


#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_replace_string "__URL__"  "${domain}${path_url}" ../conf/systemd.service
ynh_replace_string "__PORT__" "${port}"              ../conf/systemd.service
ynh_add_systemd_config

#=================================================
# RELOAD SERVICES
#=================================================

# Reload services
service nginx reload