#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_print_info "Validating installation parameters..."

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)

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_print_info "Storing installation settings..."

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path_url

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_print_info "Configuring firewall..."

# Find a free port
port=$(ynh_find_port 4242)
# Open this port
#ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
ynh_app_setting_set $app port $port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_print_info "Installing dependencies..."

ynh_install_app_dependencies python-virtualenv sqlite3 libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_print_info "Setting up source files..."

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

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_print_info "Configuring nginx..."

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info "Configuring system user..."

# Create a system user
ynh_system_user_create $app


#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL PYTHONZ TO GET PYTHON 3.6
#=================================================

# Get pythonz
# curl -kL https://raw.githubusercontent.com/saghul/pythonz/master/pythonz-install
# ./pythonz-install
ynh_setup_source "$final_path/.pythonz" pythonz
export PYTHONZ_ROOT="$final_path/.pythonz"
# Then install it
python $final_path/.pythonz/pythonz_install.py

# if ! grep --quiet "YunoRunner" /root/.bashrc
# then
#     [[ -s $final_path/.pythonz/etc/bashrc ]] && source $final_path/.pythonz/etc/bashrc # Added by YunoRunner
# fi

# Install Python 3.6.6
$final_path/.pythonz/bin/pythonz install 3.6.6

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

pushd $final_path
	virtualenv -p $($final_path/.pythonz/bin/pythonz locate 3.6.6) ve3
	ve3/bin/pip3 install -r requirements-frozen.txt
	#Fix current websocket version error (2019-02-14)
	ve3/bin/pip3 uninstall -y websockets
	ve3/bin/pip3 install 'websockets>=6.0,<7.0'
popd

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_print_info "Configuring a systemd service..."

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# CHANGE PORT IN YUNORUNNER
#=================================================

ynh_replace_string "__PORT__" "$port" "/etc/systemd/system/$app.service"
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "/etc/systemd/system/$app.service"
systemctl daemon-reload

#=================================================
# GENERIC FINALISATION
#=================================================
# SECURING FILES AND DIRECTORIES
#=================================================

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

#=================================================
# ENABLE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app --description "$app daemon for YunoRunner"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info "Configuring SSOwat..."

# Make app public
ynh_app_setting_set $app skipped_uris "/"

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx..."

ynh_system_reload --service_name=nginx

#=================================================
# START YUNORUNNER
#=================================================

ynh_system_reload --service_name=$app --action=start

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

ynh_print_info "Installation of $app completed"