#!/bin/bash

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

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

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

ynh_clean_setup () {
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url='/'
is_public=1
use_ngram=$YNH_APP_ARG_USE_NGRAM
use_untested_ngram=$YNH_APP_ARG_USE_UNTESTED_NGRAM
use_word2vec=$YNH_APP_ARG_USE_WORD2VEC
use_fasttext=$YNH_APP_ARG_USE_FASTTEXT
use_compressed_fasttext=$YNH_APP_ARG_USE_COMPRESSED_FASTTEXT
grammalecte_server=$YNH_APP_ARG_GRAMMALECTE_SERVER
app=$YNH_APP_INSTANCE_NAME

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

final_path=/opt/yunohost/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
data_path=/home/yunohost.app/$app
test ! -e "$data_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..." --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=$app --key=use_ngram --value=$use_ngram
ynh_app_setting_set --app=$app --key=use_untested_ngram --value=$use_untested_ngram
ynh_app_setting_set --app=$app --key=use_word2vec --value=$use_word2vec
ynh_app_setting_set --app=$app --key=use_fasttext --value=$use_fasttext
ynh_app_setting_set --app=$app --key=use_compressed_fasttext --value=$use_compressed_fasttext
ynh_app_setting_set --app=$app --key=grammalecte_server --value=$grammalecte_server

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=1

# Find an available port
port=$(ynh_find_port --port=8081)
ynh_app_setting_set --app=$app --key=port --value=$port

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

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=100

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
ynh_app_setting_set --app=$app --key=data_path --value=$data_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

download_data

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

# Create a system user
ynh_system_user_create --username=$app

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config -v port

#=================================================
# ADD A CONFIGURATION
#=================================================

add_languagetool_config

#=================================================
# SPECIFIC SETUP
#=================================================
# COMPILE FASTTEXT
#=================================================

compile_fasttext

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

# Set permissions to app files
chown -R root:$app $final_path
chmod -R g=u,g-w,o-rwx $final_path
chown -R root:$app $data_path
chmod -R g=u,g-w,o-rwx $data_path

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Multilingual grammar, style, and spell checker" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

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

ynh_systemd_action --service_name=nginx --action=reload

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

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