#!/bin/bash

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

source _common.sh
source _future.sh
source ynh_systemd_action
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
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

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

# Check machine architecture (in particular, we don't support ARM and 32bit machines)
[[ $(uname -m) == "x86_64" ]] || ynh_die "Sorry, but this app can only be installed on a x86, 64 bits machine :("

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

path_url=$(ynh_normalize_url_path $path_url)

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_app_setting_set $app is_public $is_public

#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
port=$(ynh_find_port 8081)
ynh_app_setting_set $app port $port

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

ynh_print_info "Installing nodejs ..."
ynh_install_nodejs 8.9.3

ynh_print_info "Installing mongodb dependencies ..."
ynh_install_app_dependencies "mongodb mongodb-server"

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

ynh_print_info "Setting up Wekan's sources ..."
ynh_app_setting_set $app final_path $final_path
# Download, check integrity, uncompress and patch the source from app.src
# For this app sources are in app subdirectory 
ynh_setup_source "$final_path"

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

# Create a dedicated nginx config
ynh_print_info "Configuring nginx ..."
ynh_add_nginx_config

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

# Create a system user
ynh_system_user_create $app "$final_path"

#=================================================
# SPECIFIC SETUP
#=================================================
# Install wekan dependencies
ynh_print_info "Installing npm dependencies ..."
chown -R $app $final_path
pushd $final_path/programs/server
ynh_use_nodejs
npm install
popd

# Start mogodb
ynh_print_info "Starting mongodb ..."
systemctl enable mongodb
systemctl restart mongodb

#=================================================
# SETUP SYSTEMD
#=================================================
# Create a dedicated systemd config
ynh_print_info "Adding wekan systemd service ..."
ynh_replace_string "__NODEJS__"   "$nodejs_use_version" "../conf/systemd.service"
ynh_replace_string "__ENV_PATH__" "$PATH"               "../conf/systemd.service"
ynh_replace_string "__DB_NAME__"  "$app"                "../conf/systemd.service"
ynh_replace_string "__URI__"      "$path_url"          "../conf/systemd.service"
ynh_replace_string "__PORT__"     "$port"               "../conf/systemd.service"
ynh_replace_string "__DOMAIN__"   "$domain"             "../conf/systemd.service"
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_print_info "Fixing permissions ..."
# Set strong right permissions to app files
chown -R $app: "$final_path"
chmod -R 640 "$final_path"
find "$final_path" -type d -print0 | xargs -0 chmod 750

#=================================================
# ADD SERVICE IN ADMIN PANEL
#=================================================
yunohost service add mongodb --log "/var/log/mongodb/mongodb.log"
yunohost service add $app

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

# Make app public if necessary or protect it
if [ $is_public -eq 1 ]
then
    # unprotected_uris allows SSO credentials to be passed anyway.
    ynh_app_setting_set "$app" unprotected_uris "/"
fi

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

systemctl reload nginx

#=================================================
# START SERVICE
#=================================================

ynh_systemd_action --action=start --service_name=$app --log_path="systemd" --line_match="Finishing add-custom-html-before-body-end migration"
sleep 10