#!/bin/bash

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

source _common.sh
source ynh_composer__2
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)
is_public=$(ynh_app_setting_get --app=$app --key=is_public)
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)

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..."

upgrade_type=$(ynh_check_app_version_changed)

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

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=0
    is_public=0
fi

# 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

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

# 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

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	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 -a "$final_path/storage/upload/" "$tmpdir/storage/upload/"
	cp -a "$final_path/.env" "$tmpdir/.env"
	cp -a "$final_path/storage/export/" "$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"

	# Restore the config file
	cp -a "$tmpdir/storage/upload/" "$final_path/storage/upload/"
	cp -a "$tmpdir/storage/export/"  "$final_path/storage/export/"
	cp -a "$tmpdir/.env" "$final_path/.env"
	# Remove temporary directory
	ynh_secure_remove --file="$tmpdir"
fi

#=================================================
# 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"

#=================================================
# 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

#=================================================
# 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 --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# 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..."

config="$final_path/.env"
ynh_backup_if_checksum_is_different --file="$config"
cp ../conf/.env "$config"

ynh_replace_string --match_string="SomeRandomStringOf32CharsExactly" --replace_string="$random_key" --target_file="$config"
ynh_replace_string --match_string="fireflyiiidb" --replace_string="127.0.0.1" --target_file="$config"
ynh_replace_string --match_string="DB_DATABASE=firefly" --replace_string="DB_DATABASE=$db_name" --target_file="$config"
ynh_replace_string --match_string="DB_USERNAME=firefly" --replace_string="DB_USERNAME=$db_name" --target_file="$config"
ynh_replace_string --match_string="secret_firefly_password" --replace_string="$db_pwd" --target_file="$config"
ynh_replace_string --match_string="MAIL_MAILER=log" --replace_string="MAIL_MAILER=smtp" --target_file="$config"
ynh_replace_string --match_string="MAIL_HOST=null" --replace_string="MAIL_HOST=127.0.0.1" --target_file="$config"
ynh_replace_string --match_string="MAIL_PORT=2525" --replace_string="MAIL_PORT=25" --target_file="$config"
ynh_replace_string --match_string="mail@example.com" --replace_string="$email" --target_file="$config"
ynh_replace_string --match_string="changeme@example.com" --replace_string="$app@$domain" --target_file="$config"
# These helpers are for reference.Remove them once app gets support for LDAP. Put them directly in .env

# ynh_replace_string --match_string="ADLDAP_CONTROLLERS=" --replace_string="ADLDAP_CONTROLLERS=127.0.0.1" --target_file="$config"
# ynh_replace_string --match_string='ADLDAP_BASEDN=""' --replace_string='ADLDAP_BASEDN="dc=yunohost,dc=org"' --target_file="$config"
# ynh_replace_string --match_string="ADLDAP_ACCOUNT_PREFIX=" --replace_string='ADLDAP_ACCOUNT_PREFIX="uid="' --target_file="$config"
# ynh_replace_string --match_string="ADLDAP_ACCOUNT_SUFFIX=" --replace_string='ADLDAP_ACCOUNT_SUFFIX=",dc=yunohost,dc=org"' --target_file="$config"
# ynh_replace_string --match_string="distinguishedname" --replace_string="uid" --target_file="$config"
# ynh_replace_string --match_string="userprincipalname" --replace_string="uid" --target_file="$config"
ynh_replace_string --match_string="localhost" --replace_string="$domain$path_url" --target_file="$config"

# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$config"

#=================================================
# 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 LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..."

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..."

# Set permissions on app files
chown -R $app: $final_path
chmod -R 775 $final_path/storage

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

cp ../conf/cron /etc/cron.d/$app

ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="/etc/cron.d/$app"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="/etc/cron.d/$app"
ynh_replace_string --match_string="__PHPVERSION__" --replace_string="$phpversion" --target_file="/etc/cron.d/$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