#!/bin/bash

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 "Installing Dex..."

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/tree/ccc5b82dc9762b42abe82dfa0582e6e4bb6175c5 --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 "Storing installation settings..."

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

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

# Install nodejs
ynh_nodejs_install 2>&1

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
ynh_script_progression "Creating a PostgreSQL database..."

ynh_psql_db_shell <<< "CREATE EXTENSION IF NOT EXISTS unaccent;"

ynh_psql_db_shell <<< "CREATE EXTENSION IF NOT EXISTS pg_trgm;"

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

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

#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod -R o-rwx "$install_dir"
#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | 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 "Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_config_add_nginx

# Create a dedicated systemd config
ynh_config_add_systemd

# Use logrotate to manage application logfile(s)
ynh_config_add_logrotate

cron_path="/etc/cron.d/$app"
ynh_config_add --template="outline.cron" --destination="$cron_path"
#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown root: "$cron_path"
#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 644 "$cron_path"

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

#=================================================
# BUILD YARN DEPENDENCIES
#=================================================
ynh_script_progression "Building $app. This can be very long, be patient !"

pushd "$install_dir"

	ynh_hide_warnings ynh_exec_as_app node_load_PATH yarn install --frozen-lockfile --network-timeout 1000000000 2>&1
	ynh_hide_warnings ynh_exec_as_app node_load_PATH NODE_OPTIONS="--max-old-space-size=3200" yarn build 2>&1
	ynh_hide_warnings ynh_exec_as_app node_load_PATH yarn cache clean 2>&1
popd

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression "Adding $app's configuration..."

ynh_config_add --template=".env" --destination="$install_dir/.env"

#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 400 "$install_dir/.env"
#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown $app:$app "$install_dir/.env"

#=================================================
# RUN DB MIGRATION
#=================================================
ynh_script_progression "Running DB initial migration..."

pushd "$install_dir"

	ynh_hide_warnings ynh_exec_as_app node_load_PATH yarn db:migrate
popd

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression "Starting $app's systemd service..."

# Start a systemd service
ynh_systemctl --service=$app --action="start" --log_path="systemd"

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

ynh_script_progression "Installation of $app completed"