#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

#=================================================
# MANAGE FAILURE OF THE SCRIPT
#=================================================

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

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

domain=$YNH_APP_ARG_DOMAIN
path_url="/"
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THIS ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --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..." --weight=2

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

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=2

# Find an available port
port=$(ynh_find_port --port=7777)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=2

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

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=3

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

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL NODEJS
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=10

# Install Nodejs
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# ADD SYSTEMD SERVICE
#=================================================

ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"

ynh_add_systemd_config

#=================================================
# INSTALL HASTEBIN
#=================================================

pushd "$final_path"
	ynh_use_nodejs
	ynh_exec_warn_less $ynh_npm install
popd

#=================================================
# CREATE DIRECTORY FOR DATA
#=================================================
ynh_script_progression --message="Creating the data directory..."

# Define app's data directory
data_path="/home/yunohost.app/${app}"
ynh_app_setting_set --app=$app --key=data_path --value=$data_path

# Create app folders
mkdir -p "$data_path"

chmod 750 "$data_path"
chmod -R o-rwx "$data_path"
chown -R $app:www-data "$data_path"

#=================================================
# CONFIGURE HASTE
#=================================================

ynh_add_config --template="../conf/config.js" --destination="$final_path/config.js"

# Replace ajax.googleapis by local file
cp ../sources/jquery.min.js "$final_path/static/jquery.min.js"

ynh_replace_string --match_string="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" --replace_string="jquery.min.js" --target_file="$final_path/static/index.html"

#=================================================
# ADD HASTE AS A BINARY FILE
#=================================================

haste_url="${domain}${path_url}"
ynh_add_config --template="../conf/haste.sh" --destination="/usr/bin/$app"

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

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"
chmod +x /usr/bin/$app

#=================================================
# HANDLE LOG FILES AND SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# FIXME Currently, the log is only redirected to syslog.
mkdir -p /var/log/$app
touch /var/log/$app/$app.log
chown $app -R /var/log/$app

ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================

yunohost service add $app --description="Haste is a pastebin software" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=2

# 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

if [ $is_public -eq 1 ]
then
	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