#!/bin/bash

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

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

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# 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="/"

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=/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=1

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

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

# Find an available port
port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=7

ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_exec_warn_less ynh_install_go --go_version=$go_version

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

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

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=5

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"

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app... (this will take some time and resources!)" --weight=20

pushd "$final_path"
	ynh_use_nodejs
	ynh_exec_warn_less npm i -g npm
	ynh_exec_warn_less npm install --production
popd

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=2

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

chmod 744 "$final_path/config.json"
chown $app:www-data "$final_path/config.json"

#=================================================
# BUILD WEBIRCGATEWAY
#=================================================
ynh_script_progression --message="Building webircgateway..." --weight=4

webircgateway_path=/var/www/webircgateway
ynh_app_setting_set --app=$app --key=webircgateway_path --value=$webircgateway_path
mkdir -p $webircgateway_path

tempdir="$(mktemp -d)"
ynh_setup_source --dest_dir=$tempdir --source_id="webircgateway"
pushd $tempdir
	ynh_use_go
	export GOPATH="$tempdir/go"
	export GOCACHE="$tempdir/.cache"
	ynh_go build
popd

mv -f $tempdir/webircgateway $webircgateway_path/webircgateway

ynh_secure_remove --file="$tempdir"
ynh_remove_go

chmod 755 "$webircgateway_path"
chmod -R o-rwx "$webircgateway_path"
chown -R $app:www-data "$webircgateway_path"
chmod +x "$webircgateway_path/webircgateway"

ynh_add_config --template="../conf/config.conf" --destination="$webircgateway_path/config.conf"

chmod 755 "$webircgateway_path/config.conf"
chown $app:www-data "$webircgateway_path/config.conf"

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

# Create a dedicated systemd config
ynh_add_systemd_config

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

yunohost service add $app --description="Simple IRC web client"

#=================================================
# 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="systemd" --line_match="Using config"

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