#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================

# Check destination directory
final_path="/var/www/$app"
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path "$path_url")

# Check web path availability
ynh_webpath_available "$domain" "$path_url"
# Register (book) web path
ynh_webpath_register "$app" "$domain" "$path_url"

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ynh_app_setting_set "$app" domain "$domain"
ynh_app_setting_set "$app" path "$path_url"
ynh_app_setting_set "$app" final_path "$final_path"

#=================================================
# STANDARD MODIFICATIONS
#=================================================


#=================================================
# INSTALL DEPENDENCIES
#=================================================

# Check depends installation
ynh_install_app_dependencies python-dev python-virtualenv \
			 uwsgi uwsgi-plugin-python \
			 `# ARM support: ` \
			 build-essential libssl-dev libffi-dev

#=================================================
# CREATE A MYSQL DATABASE
#=================================================

# Use 'FSyncMS' as database name and user
db_user=$app
db_name=$(ynh_sanitize_dbid $app)

ynh_app_setting_set "$app" db_name "$db_name"
ynh_mysql_setup_db "$db_user" "$db_name"

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

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

# Modify assets to take path into account
# TODO: try to include this as a patch if still needed
# find ../sources/syncserver/page/sync_files/ -type f -exec sed -i -e "s@media\/img@$path_url\/media\/img@g" {} \;

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

# Modify Nginx configuration file and copy it to Nginx conf directory
ynh_add_nginx_config

if [ "$path_url" == "/" ]
then
	# $finalnginxconf comes from ynh_add_nginx_config
	# uwsgi_param is only needed for non-root installation
	ynh_replace_string "uwsgi_param "     "#uwsgi_param "     "$finalnginxconf"
	ynh_replace_string "uwsgi_modifier1 " "#uwsgi_modifier1 " "$finalnginxconf"

	ynh_store_file_checksum "$finalnginxconf"
else
	# add rewrite for alias_traversal protection
	ynh_replace_string "^#sub_path_only" "" "../conf/nginx.conf"
fi

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

ynh_system_user_create "$app" "$final_path"

#=================================================
# SPECIFIC SETUP
#=================================================
# SETUP UWSGI
#=================================================

ynh_add_uwsgi_service

#=================================================
# create config file syncserver.ini
#=================================================

# Generate random password and save
secret=$(ynh_string_random)
ynh_app_setting_set "$app" secret "$secret"

# Copy Files
ynh_replace_string "__APP__"       "$app"        "$finaluwsgiini"
ynh_replace_string "__DOMAIN__"    "$domain"     "$finaluwsgiini"
ynh_replace_string "__PATH__"      "$path_url"   "$finaluwsgiini"
ynh_replace_string "__NAME__"      "$app"        "$finaluwsgiini"
ynh_replace_string "__FINALPATH__" "$final_path" "$finaluwsgiini"
ynh_replace_string "__SECRET__"    "$secret"     "$finaluwsgiini"

ynh_replace_string "__DB_USER__"   "$db_user" "$finaluwsgiini"
ynh_replace_string "__DB_PWD__"    "$db_pwd"  "$finaluwsgiini"
ynh_replace_string "__DB_NAME__"   "$db_name" "$finaluwsgiini"

rm "$final_path/syncserver.ini"
ln -s "$finaluwsgiini" "$final_path/syncserver.ini"

#=================================================
# MODIFY A CONFIG FILE
#=================================================

# TODO: fix this css patch
# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/firefox_sync-bundle.css
# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/responsive-bundle.css

#=================================================
# pip installation
#=================================================

virtualenv "$final_path/local"
# Init virtualenv
(
	set +o nounset
	source "$final_path/local/bin/activate"
	set -o nounset
	cd "$final_path"
	pip install --upgrade pip
	CFLAGS="-Wno-error -Wno-error=format-security" \
		ARCHFLAGS="-Wno-error=unused-command-line-argument-hard-error-in-future" \
		pip install --requirement "$final_path/requirements.txt"

	python "$final_path/setup.py" develop

	touch "$final_path/local/COMPLETE"
)

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

# no need, keep the default root:root

#=================================================
# SETUP LOGROTATE
#=================================================

ynh_use_logrotate

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

# accessible by everyone (authentification is done by firefox accounts)
ynh_app_setting_set "$app" skipped_uris "/"

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

systemctl start "uwsgi-app@$app.service"
systemctl reload nginx