DROP DATABASE IF EXISTS inventarisierungsloesung;

CREATE DATABASE IF NOT EXISTS Inventarisierungsloesung
CHARACTER SET utf8;

USE Inventarisierungsloesung;

CREATE TABLE IF NOT EXISTS Town (
town_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
zip INT UNSIGNED NOT NULL,
town VARCHAR(100));

CREATE TABLE IF NOT EXISTS Address (
address_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
town_fk INT UNSIGNED NOT NULL,
streetname VARCHAR(100) NOT NULL,
streetnumber VARCHAR(25) NOT NULL,
country VARCHAR(45) NOT NULL,
additive VARCHAR(45),
po_Box INT UNSIGNED,
FOREIGN KEY (town_fk) REFERENCES Town(town_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Person (
person_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
firstname VARCHAR(45) NOT NULL,
lastname VARCHAR(45) NOT NULL);

CREATE Table IF NOT EXISTS Kundenkonto (
kundenkonto_id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT);

CREATE Table IF NOT EXISTS Customer (
person_fk INT UNSIGNED NOT NULL,
address_fk INT UNSIGNED NOT NULL,
kundenkonto_fk INT UNSIGNED NOT NULL,
tel VARCHAR(20),
eMail VARCHAR(30),
url VARCHAR(30),
FOREIGN KEY (person_fk) REFERENCES Person(Person_id) ON DELETE CASCADE,
FOREIGN KEY (address_fk) REFERENCES Address(address_id) ON DELETE CASCADE,
FOREIGN KEY (kundenkonto_fk) REFERENCES Kundenkonto(kundenkonto_id) ON DELETE CASCADE);

CREATE TABLE IF NOT EXISTS Location (
location_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
address_fk INT UNSIGNED NOT NULL,
designation VARCHAR(45) NOT NULL,
building INT UNSIGNED NOT NULL,
room INT UNSIGNED NOT NULL,
FOREIGN KEY (address_fk) REFERENCES Address(address_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Contact (
contact_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
person_fk INT UNSIGNED NOT NULL,
priority ENUM('First Priority','Second Priority','Emergency Contact') NOT NULL,
FOREIGN KEY (person_fk) REFERENCES Person(person_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS PointOfDelivery (
pod_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
customer_person_fk INT UNSIGNED NOT NULL,
contact_person_fk INT UNSIGNED NOT NULL,
location_fk INT UNSIGNED NOT NULL,
designation VARCHAR(45),
timezone TIME NOT NULL,
timeZonePositiv TINYINT NOT NULL,
ntpServerIp VARCHAR(20),
FOREIGN KEY (`customer_person_fk`) REFERENCES `customer`(`person_fk`)ON DELETE CASCADE,
FOREIGN KEY (`contact_person_fk`) REFERENCES `contact`(`contact_id`)ON DELETE CASCADE,
FOREIGN KEY (`location_fk`) REFERENCES `location`(`location_id`) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS DeviceType (
deviceType_id INT UNSIGNED NOT NULL AUTO_INCREMENT,
manufacturer VARCHAR(255) NOT NULL,
model VARCHAR(255) NOT NULL,
version VARCHAR(255) NULL,
PRIMARY KEY (deviceType_id)
);

CREATE Table IF NOT EXISTS Device (
device_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
location_fk INT UNSIGNED NOT NULL,
deviceType_fk INT UNSIGNED NOT NULL,
inventoryDate DATE NOT NULL,
deactivateDate DATE NOT NULL,
hostname VARCHAR(255),
domain VARCHAR(255),
description VARCHAR(255),
FOREIGN KEY (location_fk) REFERENCES location (location_id) ON DELETE CASCADE,
FOREIGN KEY (deviceType_fk) REFERENCES devicetype (deviceType_id) ON DELETE CASCADE
);

CREATE Table IF NOT EXISTS Operatingsystem (
operatingsystem_id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
operatingsystemName VARCHAR(255) NOT NULL,
model VARCHAR(255) NOT NULL,
version VARCHAR(255)
);

CREATE Table IF NOT EXISTS DeviceType_has_operatingsystem (
deviceType_fk INT UNSIGNED NOT NULL,
operatingsystem_fk INT UNSIGNED NOT NULL,
PRIMARY KEY(deviceType_fk,operatingsystem_fk),
FOREIGN KEY (deviceType_fk) REFERENCES DeviceType (deviceType_id) ON DELETE CASCADE,
FOREIGN KEY (operatingsystem_fk) REFERENCES Operatingsystem (operatingsystem_id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Network (
network_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
subnet VARCHAR(15) NOT NULL,
mask VARCHAR(15) NOT NULL,
vlan INT NOT NULL DEFAULT 1,
description VARCHAR(255) NULL
);

CREATE TABLE IF NOT EXISTS Interface (
interface_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
network_fk INT NOT NULL,
device_fk INT UNSIGNED NOT NULL,
ip_adress_v4 VARCHAR(15) NOT NULL,
mac_adresse VARCHAR(50) NOT NULL,
isFullDuplex BIT(1) NOT NULL DEFAULT 1,
bandwith INT NULL,
is_in_use TINYINT,
description VARCHAR(255) NULL,
FOREIGN KEY (network_fk) REFERENCES Network (network_id)ON DELETE CASCADE,
FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Transportmedium (
transportmedium_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
description VARCHAR(45) NOT NULL
);

CREATE TABLE IF NOT EXISTS Deviceport (
deviceport_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
description VARCHAR(45) NOT NULL,
device_fk INT UNSIGNED NOT NULL,
transportmedium_fk INT UNSIGNED NOT NULL,
FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE,
FOREIGN KEY (transportmedium_fk) REFERENCES Transportmedium (transportmedium_id)ON DELETE CASCADE
);

CREATE Table IF NOT EXISTS Log (
log_id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
device_fk INT UNSIGNED NOT NULL,
timestamp DATETIME NOT NULL,
logMessage VARCHAR(255) NOT NULL,
level ENUM('Low','Middle','High') NOT NULL,
is_acknowledged TINYINT,
FOREIGN KEY (device_fk) REFERENCES Device(device_id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Credentials (
credentials_id INT UNSIGNED NOT NULL AUTO_INCREMENT,
benutzername VARCHAR(255) NOT NULL,
passwort VARCHAR(255) NOT NULL,
snmp VARCHAR(255) NOT NULL,
PRIMARY KEY (credentials_id) 
);

CREATE TABLE IF NOT EXISTS Abrechnung (
abrechnung_id INT UNSIGNED NOT NULL AUTO_INCREMENT,
kundenkonto_fk INT UNSIGNED NOT NULL,
location_fk INT UNSIGNED NOT NULL,
device_fk INT UNSIGNED NOT NULL,
interface_fk INT UNSIGNED NOT NULL,
PRIMARY KEY (abrechnung_id),
FOREIGN KEY (kundenkonto_fk) REFERENCES Kundenkonto (kundenkonto_id)ON DELETE CASCADE,
FOREIGN KEY (location_fk) REFERENCES Location (location_id)ON DELETE CASCADE,
FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE,
FOREIGN KEY (interface_fk) REFERENCES Interface (interface_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS SoftwareDienstleistung (
software_id INT NOT NULL AUTO_INCREMENT,
stundenaufwand INT NOT NULL,
abrechung_fk INT UNSIGNED NOT NULL,
PRIMARY KEY (software_id),
Foreign Key (abrechung_fk) REFERENCES Abrechnung(abrechnung_id) ON DELETE CASCADE);

CREATE TABLE IF NOT EXISTS Produktegruppe (
produktegruppe_id INT NOT NULL AUTO_INCREMENT,
hardware VARCHAR(255),
software VARCHAR(255),
sonstigeArtikel VARCHAR(255),
abrechung_fk INT UNSIGNED NOT NULL,
PRIMARY KEY (produktegruppe_id),
Foreign Key (abrechung_fk) REFERENCES Abrechnung(abrechnung_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Produkte (
artikelnummer_id INT NOT NULL AUTO_INCREMENT,
artikelname VARCHAR(255) NOT NULL,
preis FLOAT NOT NULL,
produktegruppe_fk INT NOT NULL,
PRIMARY KEY (artikelnummer_id),
Foreign Key (produktegruppe_fk) REFERENCES Produktegruppe(produktegruppe_id)ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS Devices_has_Credentials (
devices_devices_id INT UNSIGNED NOT NULL,
credentials_credentials_id INT UNSIGNED NOT NULL,
PRIMARY KEY (devices_devices_id, credentials_credentials_id),
FOREIGN KEY (devices_devices_id) REFERENCES Device (device_id) ON DELETE CASCADE,
FOREIGN KEY (credentials_credentials_id) REFERENCES Credentials (credentials_id) ON DELETE CASCADE
); 

CREATE TABLE IF NOT EXISTS v_logentries (
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
pod VARCHAR(1000),
location VARCHAR(1000),
hostname VARCHAR(45),
severity INT,
timestamp TIMESTAMP,
message VARCHAR(1000)
);


# Stored Procedure bereinigung der quittierte Logs

DELIMITER //
CREATE PROCEDURE LogClear 
(
	IN _logentries_id INT
)

BEGIN
	
	DELETE FROM v_logentries
    WHERE _logentries_id = v_logentries_id;
    
    UPDATE Log
    SET is_acknowledged = 1
    WHERE log_id = _logentries_id;
	
END //
DELIMITER ;

# Stored Procedure für schreiben der Logs Anhand der Inputparameter

DELIMITER //
CREATE PROCEDURE LogMessageAdd
(
	IN i_pod VARCHAR(1000), i_hostname VARCHAR(45), i_severity INT, i_message VARCHAR(1000)
)

BEGIN

	INSERT INTO v_logentries ( pod, timestamp, hostname, severity, message)
    VALUE
    (i_pod, timestamp(now()), i_hostname, i_severity, i_message);
    
END //
DELIMITER ;

# View für das anzeigen nicht belegter Interfaces
CREATE VIEW
	view_freiesInterface (LocationName, Hostname, Portnummer, Medium, Geschwindigkeit)
    AS
		SELECT 
			CONCAT_WS(building, room),
            device.hostname,
            deviceport.description,
            transportmedium.description,
            bandwith
		FROM
			device INNER JOIN location 
				ON location_fk=location_id
			INNER JOIN deviceport
				ON device_fk = device_id
			INNER JOIN transportmedium
				ON device_fk = device_id
			INNER JOIN interface
				ON interface.device_fk = device_id
		WHERE interface.is_in_use = 0
;