#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
random_key=$(ynh_app_setting_get --app=$app --key=random_key)
email=$(ynh_user_get_info --username=$admin --key=mail)
tag=$(ynh_app_upstream_version)
phpversion=$YNH_PHP_VERSION

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# Restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..."

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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
  if [ `cd $final_path && git rev-parse --is-inside-work-tree` ];
  then
	pushd "$final_path"
  else
    ynh_script_progression --message="Upgrading source files..."
    # Create a temporary directory
    tmpdir="$(mktemp -d)"

    # Backup the config file in the temp dir
	mkdir -p "$tmpdir/storage/upload"
	mkdir -p "$tmpdir/storage/export"
	mkdir -p "$final_path/storage/upload/"
	mkdir -p "$final_path/storage/export/"
	cp -aT "$final_path/storage/upload" "$tmpdir/storage/upload/$"
	cp -a "$final_path/.env" "$tmpdir/.env"
	cp -aT "$final_path/storage/export" "$tmpdir/storage/export/"
	ynh_secure_remove --file="$final_path"

	# Download, check integrity, uncompress and patch the source from app.src   
    	ynh_setup_source --dest_dir=$final_path
    	ynh_secure_remove  bootstrap/cache/*
	
	# Restore the config file and data
	mkdir -p "$final_path/storage/upload/"
	mkdir -p "$final_path/storage/export/"
	cp -aT "$tmpdir/storage/upload" "$final_path/storage/upload"
	cp -aT "$tmpdir/storage/export"  "$final_path/storage/export"
	cp -a "$tmpdir/.env" "$final_path/.env"
	# Remove temporary directory
	ynh_secure_remove --file="$tmpdir"
  fi
fi

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"
chmod -R 775 $final_path/storage

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..."

ynh_install_app_dependencies "$pkg_dependencies"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..."

# Create a dedicated php-fpm config
ynh_add_fpm_config --usage=low --footprint=low

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE PHP DEPENDENCIES
#=================================================
ynh_script_progression --message="Updating PHP dependencies..."

chown -R $app $final_path
ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"

#=================================================
# MODIFY A CONFIG FILE
#=================================================
ynh_script_progression --message="Modifying a config file..."

ynh_add_config --template="../conf/.env" --destination="$final_path/.env"

chmod 400 "$final_path/.env"
chown $app "$final_path/.env"

#=================================================
# DEPLOYMENT
#=================================================
ynh_script_progression --message="Deploying..."

pushd "$final_path"
	ynh_secure_remove --file="bootstrap/cache/*"
	php$phpversion artisan cache:clear
	php$phpversion artisan migrate --seed
	php$phpversion artisan firefly-iii:upgrade-database
	php$phpversion artisan passport:install
	php$phpversion artisan cache:clear
popd

#=================================================
# SETUP A CRON
#=================================================
ynh_script_progression --message="Setuping a cron..."

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

#=================================================
# 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="Upgrade of $app completed" --last