#!/bin/bash

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

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

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

#REMOVEME? 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
#REMOVEME? ynh_abort_if_errors

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

#REMOVEME? domain=$YNH_APP_ARG_DOMAIN
path="/"
#REMOVEME? is_public=$YNH_APP_ARG_IS_PUBLIC

#REMOVEME? language=$YNH_APP_ARG_LANGUAGE

if [ $language == "fr" ]; then
	language_key="fr_FR"
	echo "French"
else
	language_key="en_US"
	echo "English"
fi

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

#REMOVEME? app=$YNH_APP_INSTANCE_NAME

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

#REMOVEME? dex_domain=$YNH_APP_ARG_DEX_DOMAIN
#REMOVEME? dex_path=$YNH_APP_ARG_DEX_PATH
oidc_secret=$(ynh_hex_32_random)
oidc_name="Outline"
oidc_callback="$domain/auth/oidc.callback"

#REMOVEME? 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

#===================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#===================================================
#REMOVEME? ynh_script_progression --message="Validating installation parameters..." --weight=1

#REMOVEME? install_dir=/var/www/$app
#REMOVEME? test ! -e "$install_dir" || ynh_die --message="This path already contains a folder"

# Register (book) web path
#REMOVEME? ynh_webpath_register --app=$app --domain=$domain --path=$path

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

#REMOVEME? ynh_app_setting_set --app=$app --key=domain --value=$domain
#REMOVEME? ynh_app_setting_set --app=$app --key=path --value=$path
ynh_app_setting_set --app=$app --key=language --value=$language
ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key
ynh_app_setting_set --app=$app --key=utils_secret --value=$utils_secret
ynh_app_setting_set --app=$app --key=language_key --value=$language_key
ynh_app_setting_set --app=$app --key=dex_app --value=$dex_app
#REMOVEME? ynh_app_setting_set --app=$app --key=dex_domain --value=$dex_domain
#REMOVEME? ynh_app_setting_set --app=$app --key=dex_path --value=$dex_path
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

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

# Find an available port
#REMOVEME? port=$(ynh_find_port --port=2410)
#REMOVEME? ynh_app_setting_set --app=$app --key=port --value=$port

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

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

#REMOVEME? ynh_install_app_dependencies $pkg_dependencies 2>&1

# Install Yarn
#REMOVEME? ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg" 2>&1

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

# Create a system user
#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"

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

#REMOVEME? db_name=$(ynh_sanitize_dbid --db_name=$app)
#REMOVEME? ynh_app_setting_set --app=$app --key=db_name --value=$db_name
#REMOVEME? ynh_psql_test_if_first_run
#REMOVEME? ynh_psql_setup_db --db_user=$db_name --db_name=$db_name --db_pwd=$secret_key

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

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

chmod 750 "$install_dir"
chmod -R o-rwx "$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


#=================================================
# 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=3200" 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

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

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# ADD A CRON JOB
#=================================================

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

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

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

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# SETUP SSOWAT
#=================================================
#REMOVEME? ynh_script_progression --message="Configuring permissions..." --weight=1

# Make app public if necessary
#REMOVEME? if [ $is_public -eq 1 ]
then
#REMOVEME? 	ynh_permission_update --permission="main" --add="visitors"
fi
	ynh_permission_url --permission="main" --auth_header=false

#=================================================
# RELOAD NGINX
#=================================================
#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1

#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload

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

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