#!/bin/bash

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression "Loading installation settings..."

db_name=$(ynh_app_setting_get --key=db_name)
password=$(ynh_app_setting_get --key=password)
email=$(ynh_app_setting_get --key=email)
mongo_version=$(ynh_app_setting_get --key=mongo_version)

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression "Stopping $app's systemd service..."

ynh_systemctl --service=$app --action="stop" --log_path="systemd"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression "Ensuring downward compatibility..."

# If mongo_version doesn't exist, create it
if [ -z "$mongo_version" ]; then
	mongo_version="$(mongod --version | grep -oP 'db version v\K.{0,3}')"
	ynh_app_setting_set --key=mongo_version --value=$mongo_version
fi

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

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

#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 $app:$app "$install_dir"
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression "Upgrading dependencies..."

ynh_nodejs_install
ynh_hide_warnings ynh_install_mongo

#=================================================
# CONFIGURE MONGOD
#=================================================
ynh_script_progression "Configuring mongod..."

ynh_replace --match="#  engine:" --replace="  engine: wiredTiger" --file="/etc/mongod.conf"
ynh_replace --match="#replication:" --replace="replication:\n  replSetName: rs01" --file="/etc/mongod.conf"

ynh_hide_warnings systemctl enable mongod --quiet
ynh_systemctl --service=mongod --action=restart --log_path=/var/log/mongodb/mongod.log --wait_until="Waiting for connections"

if ynh_hide_warnings ynh_mongo_exec --command="printjson(rs.status())" | grep -q "no replset config has been received"; then
	ynh_hide_warnings ynh_mongo_exec --command="printjson(rs.initiate())"
fi

#==============================================
# INSTALL ROCKETCHAT
#==============================================
ynh_script_progression "Building $app... (this will take some time and resources!)"

pushd $install_dir/programs/server

	ynh_hide_warnings ynh_exec_as_app node_load_PATH yarn install --unsafe-perm
popd

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression "Upgrading system configurations related to $app..."

# Create a dedicated NGINX config
ynh_config_add_nginx

# Create a dedicated systemd config
ynh_config_add_systemd

# Use logrotate to manage app-specific logfile(s)
ynh_config_add_logrotate

yunohost service add $app --description="Team collaboration communication platform" --log="/var/log/$app/$app.log"

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

ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="SERVER RUNNING"

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

ynh_script_progression "Upgrade of $app completed"