#!/bin/bash

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

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

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

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
#path_url=$YNH_APP_ARG_PATH
path_url="/"
#admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
#language=$YNH_APP_ARG_LANGUAGE
app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --time --weight=1

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

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --time --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=is_public --value=$is_public

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --time --weight=1

#waiting for new version of helpers to be deployed https://github.com/YunoHost/yunohost/blob/stretch-unstable/data/helpers.d/nodejs
ynh_install_nodejs --nodejs_version=10
ynh_use_nodejs
ynh_npm install -g coffeescript
#npm install -g coffeescript


ynh_install_app_dependencies $pkg_dependencies

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --time --weight=1

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
# uncompress and patch done manually as 7z format is not supported
ynh_setup_source --dest_dir="$final_path" --source_id=$app
7zr e $final_path/retroarch.7z -o$final_path
rm $final_path/retroarch.7z

#create additionnal folders & file #https://github.com/libretro/RetroArch/tree/master/pkg/emscripten
mkdir -p $final_path/assets/frontend/bundle
mkdir -p $final_path/assets/cores
touch $final_path/analytics.js #https://github.com/libretro/RetroArch/issues/4539#issuecomment-473345195
mv $final_path/canvas.png $final_path/media/ #do not ask me why this file is not naturally at the correct place

#Get the indexer as exe so that folder w/ ROMs can be indexed
chmod +x $final_path/indexer

###install bundle source. As it is change every day (only nightly exists) - ynh_setup_source is useless
#ynh_setup_source --dest_dir="$final_path/assets/frontend/bundle" --source_id=bundle
wget -q $(grep 'SOURCE_URL=' "../conf/bundle.src" | cut --delimiter='=' --fields=2-) -O $final_path/assets/frontend/bundle/bundle.zip
unzip -q $final_path/assets/frontend/bundle/bundle.zip -d $final_path/assets/frontend/bundle/
rm $final_path/assets/frontend/bundle/bundle.zip

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --time --weight=1

#backup & Update nginx MIME type so wasm mime type is recognized

if [ !$(grep wasm /etc/nginx/mime.types) ]; then
	ynh_print_info "/etc/nginx/mime.types saved as /etc/nginx/mime.types.$app"
	cp /etc/nginx/mime.types /etc/nginx/mime.types.$app
	ynh_replace_string --match_string="    application/octet-stream              bin exe dll;" --replace_string="    application/wasm                      wasm;\n\n    application/octet-stream              bin exe dll;" --target_file="/etc/nginx/mime.types"
	ynh_store_file_checksum --file="/etc/nginx/mime.types"
fi

# Create a dedicated nginx config
ynh_add_nginx_config

### For security reason, any app should set the permissions to root: before anything else.
### Then, if write authorization is needed, any access should be given only to directories
### that really need such authorization.

# Set permissions to app files
chown -R root: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..." --time --weight=1

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	ynh_permission_update --permission "main" --add visitors
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SETUP INDEX
#=================================================
#indexer use the active directory to run #https://github.com/libretro/RetroArch/tree/master/pkg/emscripten
#Indexer will list the available ROM and cores for Retroarch
cd $final_path/assets/frontend/bundle/
../../../indexer > .index-xhr
cd $final_path/assets/cores
../../indexer > .index-xhr

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

ynh_script_progression --message="Installation of $app completed" --time --last