#!/bin/bash

# define main function
MAIN_INSTALL="main_install"
MAIN_UPGRADE="main_upgrade"
MAIN_UNINST="main_uninst"
# define each page's name
PAGE_MARIADB5="page_mariadb5"
PAGE_MARIADB10="page_mariadb10"
PAGE_RESTORE="page_restore"
PAGE_UPGRADE_RESTRICTED="page_upgrade_restricted"
PAGE_DB="page_db"
PAGE_UNINST_DB="page_uninst_db"
PAGE_CONFIRM="page_confirm"
PAGE_CONFIRM_UNINST="page_confirm_uninst"
REQUIRE_DB_SETUP=true
DEFAULT="enu"
# set out file name
OUTPUT_INSTALL="install_uifile"
OUTPUT_UPGRADE="upgrade_uifile"
OUTPUT_UNINST="uninstall_uifile"
INIT_DB_NAME="" # need to be overwritten
INIT_DB_USER="" # need to be overwritten
INFO_FILE="" # need to be overwritten
BACKUP_PATH="" # need to be overwritten
BACKUP_WEB_PATH="" # need to be overwritten
# here to define what page is necessary for each stage: install, upgrade, and uninstall
PAGES_INST="$PAGE_MARIADB5 $PAGE_RESTORE $PAGE_MARIADB10 $PAGE_DB"
PAGES_UPGRADE="$PAGE_UPGRADE_RESTRICTED $PAGE_MARIADB5 $PAGE_MARIADB10 $PAGE_DB $PAGE_CONFIRM"
PAGES_UNINST="$PAGE_UNINST_DB $PAGE_CONFIRM_UNINST"

MainCreate()
{
	local output="$1"
	local pages="$2"
	local main_function="$3"

	if IsWizardEmpty; then
		return
	fi

	for dir in lang/*; do
		local lan=$(basename "$dir")
		local wizard_script="${output}_${lan}.sh"
		cat "wizard_common" > "${wizard_script}"
		cat "lang/$lan" "wizard_customized" $pages "$main_function" >> "${wizard_script}"
		CustomWizCreate "${wizard_script}"
	done
	chmod +x "${output}"*.sh
	cp -a "${output}_${DEFAULT}.sh" "${output}.sh"
}

IsUpgradable()
{
	true
}

IsWizardEmpty()
{
	if $REQUIRE_DB_SETUP; then
		false; return
	fi
	true; return
}

NeedConfirmVirtualHost()
{
	local version="$1"
	if [ ! -z "$version" ] && [ "$version" -lt "1000" ]; then
		local websetted=$(/var/packages/WebStation/target/tools/synowebservice vhost is-web-share-as-vhost-root; echo $?)
		return $websetted
	fi

	return 1

}

CustomHasRunWebsiteSetup()
{
	local path="$1"
	[ -s "$path/$CONF_FILE" ]
}

CustomWizCreate()
{
	:
}

CustomMainInstall()
{
	:
}

CustomGetValueFromMetaFile()
{
	local key="$1"
	local backup_info="/var/packages/.$PKG_DIR.conf"
	local syno_conf="/var/packages/$PKG_NAME/synology.conf"
	local record_file=""

	if [ -s "$INFO_FILE" ]; then
		record_file="$INFO_FILE"
	elif [ -s "$backup_info" ]; then
		record_file="$backup_info"
	elif [ -s "$syno_conf" ]; then
		record_file="$syno_conf"
	else
		return
	fi
	get_key_value "$record_file" "$key"
}

GetPreviousPkgBuildNumber()
{
	local old_pkg_ver="$SYNOPKG_OLD_PKGVER"
	if [ -z "${old_pkg_ver}" ]; then
		# SYNOPKG_OLD_PKGVER does not exist in un-install stage of upgrade
		old_pkg_ver="$SYNOPKG_PKGVER"
	fi

	local old_build_number=$(echo "$old_pkg_ver" | cut -d- -f2)
	echo "$old_build_number"
}

IsPreviousVersionBelowDSM7()
{
	[ "$(GetPreviousPkgBuildNumber)" -lt "1000" ]
}

GetWebsiteRootOfPreviousVersion()
{
	local prev_website_root="$WEBSITE_ROOT"
	if IsPreviousVersionBelowDSM7; then
		prev_website_root=$(echo $WEBSITE_ROOT | sed "s/web_packages/web/g")
	fi

	echo "${prev_website_root}";
}

GetBackupPath()
{
	local backup_prefix="${SYNOPKG_PKGDEST_VOL}/@appdata/$PKG_NAME/.backup"
	echo "$backup_prefix"
}

GetBackupWebDir()
{
	local backup_web_dir="$(GetBackupPath)/backup_web_dir"
	echo "$backup_web_dir"
}

ClearBackupDir()
{
	local backup_path="$(GetBackupPath)"
	local backup_web_dir="$(GetBackupWebDir)"
	rm -rf "$backup_path"
	mkdir -p "$backup_web_dir"
}

InitBackupPath()
{
	BACKUP_PATH="$(GetBackupPath)"
	BACKUP_WEB_PATH="$(GetBackupWebDir)"
}

GetDefaultDSM7LegacyDotPackagePrefix()
{
	local dsm7_legacy_backup_path="/$(readlink /var/services/web_packages | cut -d/ -f2)/@appdata/$PKG_NAME/.$PKG_DIR"
	echo "${dsm7_legacy_backup_path}"
}

GetCustomDSM7LegacyBackupPrefix()
{
	GetDefaultDSM7LegacyDotPackagePrefix
}

GetDefaultDSM6LegacyBackupPrefix()
{
	local dsm6_legacy_backup_path="/$(readlink /var/services/web_packages | cut -d/ -f2)/@appstore/.$PKG_DIR"
	echo "${dsm6_legacy_backup_path}"
}

GetCustomDSM6LegacyBackupPrefix()
{
	GetDefaultDSM6LegacyBackupPrefix
}

GetLegacyBackupDataPrefix()
{
	local dsm6_legacy_backup_path="$(GetCustomDSM6LegacyBackupPrefix)"
	local dsm7_legacy_backup_path="$(GetCustomDSM7LegacyBackupPrefix)"

	local legacy_path=""
	if [ -e "$dsm6_legacy_backup_path" ]; then
		legacy_path="$dsm6_legacy_backup_path"
	fi
	if [ -e "$dsm7_legacy_backup_path" ]; then
		legacy_path="$dsm7_legacy_backup_path"
	fi

	echo "$legacy_path"
}

# we define pages in fuction not in global variables,
# because functions in wizard steps will be merged after calling MainCreate.
CustomSetPages()
{
	if $REQUIRE_DB_SETUP; then
		NEW_INSTALL_PAGES="$(PageM10),$(PageDB)"
		RESTORE_PAGES="$(PageRestore),$(PageM10),$(PageDB)"
		MIGRATE_PAGES="$(PageM5),$(PageRestore),$(PageM10),$(PageDB)"
		UNINSTALL_PAGES="$(PageUninstDB),$(PageConfirmUninstDataLoss)"
	else
		NEW_INSTALL_PAGES=""
		RESTORE_PAGES="$(PageRestore)"
		MIGRATE_PAGES="$(PageRestore)"
		UNINSTALL_PAGES=""
	fi
}

CustomParseDBConf()
{
	:
}

CustomGetDBName()
{
	:
}

CustomGetDBUser()
{
	:
}

CustomGetDBPass()
{
	:
}

quote_json() {
	sed -e 's|\\|\\\\|g' -e 's|\"|\\\"|g'
}

wizard_db_settings="Sett opp WordPress-database"
wizard_db_name_desc="Du må skrive inn databasenavnet for WordPress-databasen. "
wizard_db_name_label="Databasenavn"
wizard_m10_desc="Angi administratorens brukerinformasjon for MariaDB 10 for å fortsette med WordPress-databaseinnstillingen."
wizard_admin_acc="Konto"
wizard_admin_pass="Passord"
wizard_set_db_desc="Opprett en ny eksklusiv databasekonto for WordPress for å bruke eksisterende/nye data."
wizard_set_data_title="Sett opp WordPress"
wizard_found_backup="Inkompatible pakkereserverte data"
wizard_warn_data_backup_deprecated="De reserverte dataene i denne pakken i systemet er ikke kompatible med denne versjonen.<br>Hvis du installerer denne versjonen, blir de reserverte dataene slettet.<br>Hvis du vil beholde de reserverte dataene, installerer du pakken av samme versjon som den forrige installasjonen. (Forrige versjon: {prev_version})"
wizard_db_user_account_desc="Brukerkonto for database"
wizard_db_user_password_desc="Passord for databasebruker"
wizard_migrate_note="Den nyeste versjonen av WordPress støtter kun MariaDB 10.<br>Systemet har oppdaget en eksisterende MariaDB 5-database.<br>I det neste trinnet blir databasen overført fra MariaDB 5 til MariaDB 10.<br><br>Angi administratorens brukerinformasjon for MariaDB 5 for å fortsette installasjonen."
wizard_migrate_title="Overfør WordPress-database"
wizard_remove_msql_title="Fjern WordPress-database"
wizard_remove_msql_desc="Hvis du fjerner WordPress-databasen, vil alle data bli slettet."
wizard_msql_password_desc_remove="Angi brukerinformasjonen til databaseadministratoren for å fjerne WordPress-databasen."
wizard_admin_acc="Konto"
wizard_admin_pass="Passord"
wizard_confirm_page_title="Viktig"
wizard_confirm_check="Jeg har lest og forstått informasjonen ovenfor."
wizard_database="WordPress database"
wizard_upload_data="Data lastet opp til WordPress"
wizard_config_data="Konfigurasjoner i WordPress"
wizard_msql_password_desc="Angi administratorpassord for databasen."
wizard_unable_to_upgrade_title="Kan ikke oppdatere til denne versjonen"
wizard_upgrade_from_prev_release_required_desc="Oppdater pakken til <a href=\"{1}\" target=\"_blank\">forrige versjon</a> før du oppgraderer til denne versjonen."
wizard_data_will_be_lost_after_uninstallation_warning="Avinstallering av pakken vil slette alle relevante data."
wizard_i_know_the_data_will_be_removed="Jeg forstår at alle relevante data vil bli slettet"
wizard_vhost_setting_warning="Systemet oppdaget minst én virtuell vert i Web Station der rotkatalogen er konfigurert til «web»-mappen. Etter systemoppdateringen blir mappen til WordPress flyttet fra mappen «web» til «web_packages». Som følge av dette kan du ikke lenger få tilgang til WordPress via denne virtuelle verten.<br><br>Hvis du vil bruke det samme domenenavnet etter oppdateringen, kan du gå til Web Station > Nettjenesteportal for å slette den virtuelle verten.<br><br>Vær oppmerksom på at WordPress beholder http-gruppens tilgangstillatelser etter at den tilhørende mappen er fjernet. Hvis en bruker trenger tilgang til mappen til WordPress, må du legge til den aktuelle brukerkontoen i http-gruppen."
#!/bin/bash

PKG_NAME="WordPress"
PKG_DIR="wordpress"
WEBSITE_ROOT="/var/services/web_packages/$PKG_DIR"
INFO_FILE="/usr/syno/etc/packages/$PKG_NAME/$PKG_DIR.conf"
CONF_FILE="wp-config.php"
MIGRATE_DB_VERSION="0134"
INIT_DB_NAME="wordpress"
INIT_DB_USER="wordpress_user"

CustomMainInstall()
{
	if [ -d "$BACKUP_PATH" ]; then
		GEN_WP_CONF "$BACKUP_PATH"
	fi
}

GEN_WP_CONF()
{
	local path="$1"
	# before 0122, no version value record
	local version=$(get_key_value "$INFO_FILE" "version")
	if [ ! -s "$path/$CONF_FILE" ] && [ -z "$version" ]; then
		# We need to add back the wp-config.php
		echo "$WP_CONF_FILE" | openssl enc -base64 -d > "$path/$CONF_FILE"
		sed -i "s|'DB_NAME',.*|'DB_NAME','wordpressblog');|g" "$path/$CONF_FILE"
		sed -i "s|'DB_USER',.*|'DB_USER','wordpress');|g" "$path/$CONF_FILE"
		sed -i "s|'DB_PASSWORD',.*|'DB_PASSWORD','');|g" "$path/$CONF_FILE"
	fi
}

CustomParseDBConf()
{
	local path="$1"
	local db_info="$2"
	local grep_info="$3"
	local info_output=""

	if [ -s "$path/$CONF_FILE" ]; then
		info_output=$(grep "$grep_info" "$path/$CONF_FILE" | cut -d\' -f4 | UnQuotePHP)
	fi

	if [ -z "$info_output" ];then
		info_output="$(CustomGetValueFromMetaFile "$db_info")"
	fi

	echo "$info_output"
}

CustomGetDBName()
{
	local db_name=$(CustomParseDBConf "$1" "db_name" "DB_NAME")
	if [ -z "$db_name" ]; then
		db_name="$pkgwizard_db_name"
	fi
	echo "$db_name"
}

CustomGetDBUser()
{
	local db_user=$(CustomParseDBConf "$1" "db_user" "DB_USER")
	if [ -z "$db_user" ]; then
		db_user="$pkgwizard_db_user_account"
	fi
	echo "$db_user"

}

CustomGetDBPass()
{
	CustomParseDBConf "$1" "db_pass" "DB_PASSWORD"
}

UnQuotePHP()
{
	sed -e "s|\\\\'|'|g" -e 's|\\\\|\\|g'
}
PageUninstDB()
{
cat << EOF
{
	"step_title": "$wizard_msql_password_desc",
	"items": [{
		"type": "textfield",
		"desc": "$wizard_msql_password_desc",
		"subitems": [{
			"key": "wizard_m10_acc",
			"desc": "$wizard_admin_acc",
			"defaultValue": "root"
		}]
	}, {
		"type": "password",
		"subitems": [{
			"indent": 1,
			"key": "wizard_m10_pass",
			"desc": "$wizard_admin_pass"
		}]
	}, {
		"type": "multiselect",
		"subitems": [{
			"key": "pkgwizard_remove_additional",
			"defaultValue": true,
			"hidden": true
		}]
	}]
}
EOF
}
PageConfirmUninstDataLoss()
{
cat << EOF
{
    "step_title": "$wizard_confirm_page_title",
    "invalid_next_disabled_v2": true,
    "items": [{
        "type": "multiselect",
        "desc": "$wizard_data_will_be_lost_after_uninstallation_warning",
        "subitems": [{
			"key": "pkgwizard_confirm_check",
            "desc": "$wizard_i_know_the_data_will_be_removed",
            "defaultValue": false,
            "validator": {
                "fn": "{return arguments[0];}"
            }
        }]
    }]
}
EOF
}

main()
{
	CustomSetPages

	local uninstall_page="$UNINSTALL_PAGES"
	if [ -n "$uninstall_page" ]; then
		echo "[$uninstall_page]" > "${SYNOPKG_TEMP_LOGFILE}"
	fi

	return 0
}

main "$@"