#!/bin/bash

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

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

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

utils_secret=$(ynh_hex_32_random)
secret_key=$(ynh_hex_32_random)

#=================================================
# INSTALL DEX APP FOR OAUTH2 / OIDC
#=================================================
ynh_script_progression --message="Installing Dex..." --weight=18

oidc_secret=$(ynh_hex_32_random)
oidc_name="Outline"
oidc_callback="$domain/auth/oidc.callback"

if yunohost app list | grep -q "$YNH_APP_ARG_DEX_DOMAIN$YNH_APP_ARG_DEX_PATH"; then
	ynh_die "The domain provided for Dex is already used by another app. Please chose another one !"
fi

yunohost app install https://github.com/YunoHost-Apps/dex_ynh --force --args "domain=$dex_domain&path=$dex_path&OIDC_name=$oidc_name&OIDC_secret=$oidc_secret&OIDC_callback=$oidc_callback" 2>&1 | tee dexlog.txt
dex_app=$(gawk 'match($0, /Installation of (.+) completed/, app) {print app[1]}' dexlog.txt)
rm dexlog.txt

# Create Dex URIs
if [ $dex_path = "/" ]
then
	dex_auth_uri="https://$dex_domain/auth"
	dex_token_uri="https://$dex_domain/token"
	dex_user_uri="https://$dex_domain/userinfo"
else
	dex_auth_uri="https://$dex_domain$dex_path/auth"
	dex_token_uri="https://$dex_domain$dex_path/token"
	dex_user_uri="https://$dex_domain$dex_path/userinfo"	
fi

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=1

ynh_app_setting_set --app=$app --key=utils_secret --value=$utils_secret
ynh_app_setting_set --app=$app --key=dex_app --value=$dex_app
ynh_app_setting_set --app=$app --key=oidc_name --value=$oidc_name
ynh_app_setting_set --app=$app --key=oidc_secret --value=$oidc_secret
ynh_app_setting_set --app=$app --key=oidc_callback --value=$oidc_callback
ynh_app_setting_set --app=$app --key=dex_auth_uri --value=$dex_auth_uri
ynh_app_setting_set --app=$app --key=dex_token_uri --value=$dex_token_uri
ynh_app_setting_set --app=$app --key=dex_user_uri --value=$dex_user_uri

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

# Install nodejs
ynh_install_nodejs --nodejs_version=$NODEJS_VERSION 2>&1

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PostgreSQL database..." --weight=1

ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS unaccent;" --database=$db_name
ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name

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

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir"

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

#=================================================
# SETUP LOCAL STORAGE
#=================================================

mkdir "/var/lib/$app"
chown -R $app:www-data "/var/lib/$app"

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

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

cron_path="/etc/cron.d/$app"
ynh_add_config --template="../conf/outline.cron" --destination="$cron_path"
chown root: "$cron_path"
chmod 644 "$cron_path"

yunohost service add $app --description="Outline server" --log="/var/log/$app/$app.log"

#=================================================
# BUILD YARN DEPENDENCIES
#=================================================

pushd "$install_dir"
	ynh_use_nodejs
#REMOVEME? 	ynh_script_progression --message="Fetching Yarn production dependencies... This can be very long, be patient !" --weight=18
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --frozen-lockfile --network-timeout 1000000000 2>&1
	ynh_script_progression --message="Building... This can be very long, be patient !" --weight=18
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH NODE_OPTIONS="--max-old-space-size=3900" yarn build 2>&1
	ynh_script_progression --message="Cleaning cache... " --weight=3
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean 2>&1
popd

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

ynh_add_config --template="../conf/.env" --destination="$install_dir/.env"

chmod 400 "$install_dir/.env"
chown $app:$app "$install_dir/.env"

#=================================================
# RUN DB MIGRATION
#=================================================
ynh_script_progression --message="Running DB initial migration..." --weight=3

pushd "$install_dir"
	ynh_use_nodejs
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn db:migrate
popd

#=================================================
# 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"

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

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