#!/bin/bash

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

if [ ! -e _common.sh ]; then
	# Get the _common.sh file if it's not in the current directory
	cp ../settings/scripts/_common.sh ./_common.sh
	chmod a+rx _common.sh
fi
source _common.sh
source psql.sh
source ../settings/scripts/psql.sh
source ../settings/scripts/nodejs.sh
source nodejs.sh
source /usr/share/yunohost/helpers

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get "$app" domain)
path_url="/"
final_path=$(ynh_app_setting_get "$app" final_path)
port=$(ynh_app_setting_get "$app" port)
db_name=$(ynh_app_setting_get "$app" psql_db)
db_pwd=$(ynh_app_setting_get "$app" psqlpwd)


#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================

ynh_webpath_available "$domain" "$path_url" \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d "$final_path" \
	|| ynh_die "There is already a directory: $final_path "
	
ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
ynh_find_port "$port"
# Open this port
yunohost firewall allow Both "$port" 2>&1
ynh_app_setting_set "$app" port "$port"


#=================================================
# RESTORE THE APP MAIN DIR
#=================================================

ynh_restore_file "$final_path"
ynh_restore_file "/home/yunohost.app/${app}"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================

# Create the dedicated user (if not existing)
ynh_system_user_create "$app"


# Set right permissions for curl install
datadir="/home/yunohost.app/${app}/storage"
chown -R "$app" "$datadir"

#=================================================
# RESTORE THE PostgreSQL DATABASE
#=================================================

ynh_psql_test_if_first_run
ynh_psql_setup_db "$app" "$db_name" "$db_pwd"
ynh_psql_execute_file_as_root ./db.sql "$db_name"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================

# install yarn
wget https://github.com/yarnpkg/yarn/releases/download/v1.5.1/yarn_1.5.1_all.deb
echo "a4770cd8dcb13dc9a9218940dbd24b510ddf5eec78adb4e0da9ef3760b55a76e yarn_1.5.1_all.deb" | sha256sum -c || ynh_die
dpkg -i yarn_1.5.1_all.deb

# add backports (required to install ffmpeg)
echo "deb http://httpredir.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
ynh_package_update

# Define and install dependencies
ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools

# install nodejs
ynh_install_nodejs 8

#=================================================
# RESTORE SYSTEMD
#=================================================

ynh_restore_file "/etc/systemd/system/$app.service"
systemctl enable "$app.service"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file "/etc/logrotate.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
(cd "$final_path" && yarn install --production --pure-lockfile)
systemctl reload nginx
service  "$app" restart