#!/bin/bash

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

source _common.sh
source ynh_install_ruby__2
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=$YNH_APP_ARG_DOMAIN
path_url="/"
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE
admin=$YNH_APP_ARG_ADMIN
password=$YNH_APP_ARG_PASSWORD

app=$YNH_APP_INSTANCE_NAME

secret_key_base=$(ynh_string_random --length=30)
admin_mail=$(ynh_user_get_info --username=$admin --key=mail)

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

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..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=language --value=$language
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=secret_key_base --value=$secret_key_base

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 561F9B9CAC40B2F7
ynh_install_extra_app_dependencies --repo="deb https://oss-binaries.phusionpassenger.com/apt/passenger $(lsb_release -cs) main" --package="libnginx-mod-http-passenger"
ynh_install_ruby --ruby_version=$ruby_version

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

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

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

ynh_psql_test_if_first_run
db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
ynh_psql_execute_as_root --sql="ALTER USER $db_user WITH SUPERUSER;" --database="$db_name"
ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS ltree;" --database=$db_name
ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
ynh_psql_execute_as_root --sql="ALTER USER $db_user WITH NOSUPERUSER;" --database="$db_name"
db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)

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

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
mkdir -p "$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..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL GEMS
#=================================================
ynh_script_progression --message="Installing gems..."

pushd $final_path
	ynh_use_ruby
	ynh_use_nodejs
	ynh_exec_warn_less $ynh_gem install bundler --version $bundler_version
	ynh_exec_warn_less $ynh_gem install rails --version $rails_version
	ynh_exec_warn_less $ynh_gem install decidim -v $decidim_version
	ynh_exec_warn_less decidim live
popd

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

#=================================================
# CREATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a data directory..."

datadir=/home/yunohost.app/$app
ynh_app_setting_set --app=$app --key=datadir --value=$datadir

mkdir -p $datadir

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

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

ynh_add_config --template="../conf/schedule.rb" --destination="$final_path/live/config/schedule.rb"
chmod 400 "$final_path/live/config/schedule.rb"
chown $app:$app "$final_path/live/config/schedule.rb"

ynh_add_config --template="../conf/application.yml" --destination="$final_path/live/config/application.yml"
chmod 400 "$final_path/live/config/application.yml"
chown $app:$app "$final_path/live/config/application.yml"

ynh_add_config --template="../conf/storage.yml" --destination="$final_path/live/config/storage.yml"
chmod 400 "$final_path/live/config/storage.yml"
chown $app:$app "$final_path/live/config/storage.yml"

ynh_add_config --template="../conf/delayed_job_cron.sh" --destination="$final_path/live/bin/delayed_job_cron.sh"
chmod 400 "$final_path/live/bin/delayed_job_cron.sh"
chown $app:$app "$final_path/live/bin/delayed_job_cron.sh"
chmod +x "$final_path/live/bin/delayed_job_cron.sh"

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

#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..."

pushd "$final_path/live"
	ynh_secure_remove --file="$final_path/live/Gemfile.lock"
	bundle add figaro --skip-install
	bundle add passenger --group production --skip-install
	bundle add delayed_job_active_record --group production --skip-install
	bundle add daemons --group production --skip-install
	echo 'gem "whenever", require: false' >> "Gemfile"
	bundle install
	ynh_exec_warn_less ynh_exec_as $app env RAILS_ENV=production RACK_ENV=production $ynh_ruby_load_path bin/rails db:migrate
	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn add rails-ujs
	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn add graphql-ws
	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install
	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
	sed -i 's/require "decidim\/rails"/require "decidim\/rails"\nrequire "action_cable\/engine"/' config/application.rb
	echo 'Rails.autoloaders.main.ignore(Gem::Specification.find_by_name("decidim-core").gem_dir + "/app/packs")' >> config/application.rb
	ynh_exec_warn_less ynh_exec_as $app env RAILS_ENV=production RACK_ENV=production $ynh_ruby_load_path bin/rails assets:precompile
	ynh_exec_warn_less ynh_exec_as $app env RAILS_ENV=production RACK_ENV=production $ynh_ruby_load_path bin/rails runner "Decidim::System::Admin.new(email: '$admin_mail', password: '$password', password_confirmation: '$password').save!"
	ynh_exec_warn_less ynh_exec_as $app env RAILS_ENV=production RACK_ENV=production $ynh_ruby_load_path bin/rails generate delayed_job:active_record
	ynh_exec_warn_less ynh_exec_as $app env RAILS_ENV=production RACK_ENV=production $ynh_ruby_load_path bin/rake db:migrate
popd

ynh_install_app_dependencies $pkg_dependencies
ynh_install_extra_app_dependencies --repo="deb https://oss-binaries.phusionpassenger.com/apt/passenger $(lsb_release -cs) main" --package="libnginx-mod-http-passenger"
ynh_package_autoremove

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

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

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