#!/bin/bash

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

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

config="$install_dir/live/.env.production"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# Set `service` settings to support `yunohost app shell` command
if [[ -z "${service:-}" ]]; then
	service="$app-web.service"
	ynh_app_setting_set --app="$app" --key=service --value="$service"
fi

#Remove previous added repository
ynh_remove_extra_repo

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name="${app}-web" --action="stop" --log_path="/var/log/$app/$app-web.log"
ynh_systemd_action --service_name="${app}-sidekiq" --action="stop" --log_path="/var/log/$app/$app-sidekiq.log"
ynh_systemd_action --service_name="${app}-streaming" --action="stop" --log_path="/var/log/$app/$app-streaming.log"

# Rename the database to match packaging v2 defaults db_name (`$app_production` to `$app`)
if [[ $db_name = *'_production' ]]; then
	ynh_psql_execute_as_root --sql="ALTER DATABASE $db_name RENAME TO $app;"
	db_name=$app
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

#=================================================
# ADD SWAP IF NEEDED
#=================================================
ynh_script_progression --message="Adding swap if needed..." --weight=1

total_memory=$(ynh_get_ram --total)
swap_needed=0

if [ $total_memory -lt $memory_needed ]; then
	# Need a minimum of 8Go of memory
	swap_needed=$(($memory_needed - $total_memory))
fi

ynh_script_progression --message="Adding $swap_needed Mo to swap..."
ynh_add_swap --size=$swap_needed

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading Ruby..." --weight=1
ynh_exec_warn_less ynh_install_ruby --ruby_version=$ruby_version

ynh_script_progression --message="Upgrading NodeJS..." --weight=1
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=1

# Download Mastodon
ynh_setup_source --dest_dir="$install_dir/live" --keep="public/system/"

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

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a config file..." --weight=1

language="$(echo $language | head -c 2)"

ynh_add_config --template=".env.production.sample" --destination="$config"

chmod 400 "$config"
chown "$app:$app" "$config"

#=================================================
# BUILD ASSETS
#=================================================
ynh_script_progression --message="Building assets..." --weight=1

pushd "$install_dir/live"
	ynh_use_ruby
	ynh_gem update --system
	ynh_gem install bundler --no-document
	ynh_exec_as "$app" "$ynh_ruby_load_path" "$ld_preload" bin/bundle config deployment 'true'
	ynh_exec_as "$app" "$ynh_ruby_load_path" "$ld_preload" bin/bundle config without 'development test'
	ynh_exec_as "$app" "$ynh_ruby_load_path" "$ld_preload" bin/bundle config set force_ruby_platform true --quiet
	ynh_exec_as "$app" "$ynh_ruby_load_path" "$ld_preload" bin/bundle install -j$(getconf _NPROCESSORS_ONLN)
	ynh_use_nodejs
	# This export might be removed in yunohost 12
	export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
	corepack enable
	yarn install
	if [ -d "$install_dir/live/public/assets" ]; then
		ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/bundle exec rails assets:clean
	fi
	ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/bundle exec rails assets:precompile
	ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/bundle exec rails db:migrate
	ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/tootctl cache clear
popd

#=================================================
# APPLY MIGRATIONS
#=================================================
ynh_script_progression --message="Applying migrations..." --weight=1

pushd "$install_dir/live"
	ynh_use_ruby
	ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/bundle exec rails db:migrate
	ynh_exec_warn_less ynh_exec_as "$app" RAILS_ENV=production COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_ruby_load_path" "$ld_preload" bin/tootctl cache clear
popd

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

ynh_add_nginx_config

ynh_use_ruby

# Create a dedicated systemd config
ynh_add_systemd_config --service="$app-web" --template="glitchsoc-web.service"
yunohost service add "$app-web" --description="$app web service"

ynh_add_systemd_config --service="$app-sidekiq" --template="glitchsoc-sidekiq.service"
yunohost service add "$app-sidekiq" --description="$app sidekiq service"

ynh_add_systemd_config --service="$app-streaming" --template="glitchsoc-streaming.service"
yunohost service add "$app-streaming" --description="$app streaming service"

ynh_add_config --template="cron" --destination="/etc/cron.d/$app"

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append
chown "$app:$app" "/var/log/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd service..." --weight=1

ynh_systemd_action --service_name="${app}-web" --action="start" --log_path="/var/log/$app/$app-web.log" --line_match="Listening on"
ynh_systemd_action --service_name="${app}-sidekiq" --action="start" --log_path="/var/log/$app/$app-sidekiq.log" --line_match="Schedules Loaded"
ynh_systemd_action --service_name="${app}-streaming" --action="start" --log_path="/var/log/$app/$app-streaming.log" --line_match="Streaming API now listening"

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

ynh_script_progression --message="Upgrade of $app completed" --last