#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source ../settings/scripts/ynh_install_ruby__2
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=1

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1

ynh_restore_file --origin_path="$final_path"

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

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=5

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
ynh_exec_warn_less ynh_install_ruby --ruby_version=$ruby_version
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..." --weight=1

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1

ynh_psql_test_if_first_run
db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_psql_execute_file_as_root --file="./db.sql" --database="$db_name"

#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..." --weight=40

pushd $final_path/live
  ynh_use_ruby
  ynh_use_nodejs
  ynh_gem install bundler:$bundler_version
  ynh_exec_as $app $ynh_ruby_load_path $ld_preload script/configure_bundler
popd

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_package_autoremove

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/${app}_web.service"
ynh_restore_file --origin_path="/etc/systemd/system/${app}_sidekiq.service"

# tmp files
install -T --mode=0644 -v ../settings/conf/diaspora.tmpfiles.d /etc/tmpfiles.d/${app}.conf
ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file=/etc/tmpfiles.d/${app}.conf

# target unit
install -T --mode=0644 -v ../settings/conf/diaspora.target /etc/systemd/system/${app}.target
ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file=/etc/systemd/system/${app}.target

# reload, create, enable and start stuff
systemctl daemon-reload
systemd-tmpfiles --create
systemctl enable "${app}_web" "${app}_sidekiq" "$app.target" --quiet

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

yunohost service add $app.target \
  --log $final_path/live/log/production.log \
        $final_path/live/log/unicorn-stderr.log\
        $final_path/live/log/unicorn-stdout.log\
        $final_path/live/log/sidekiq.log\
  --description "Diaspora service (unicorn web and sidekiq)"

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

systemctl restart ${app}.target
ynh_systemd_action --service_name=${app}_web.service --action=restart --log_path="$final_path/live/log/production.log" --line_match="successfully configured the federation library"
ynh_systemd_action --service_name=${app}_sidekiq.service --action=restart --log_path="systemd" --line_match="Running in ruby"

#=================================================
# GENERIC FINALIZATION
#=================================================
# 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="Restoration completed for $app" --last