CREATE DATABASE IF NOT EXISTS ShipmentSystem;

USE ShipmentSystem;

CREATE TABLE IF NOT EXISTS Products (
    product_id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    description TEXT,
    price DECIMAL(10, 2) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS Shipments (
    shipment_id INT AUTO_INCREMENT PRIMARY KEY,
    product_id INT NOT NULL,
    quantity INT NOT NULL,
    shipment_date DATE NOT NULL,
    status VARCHAR(50) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (product_id) REFERENCES Products(product_id)
);

CREATE TABLE IF NOT EXISTS ShipmentDetails (
    detail_id INT AUTO_INCREMENT PRIMARY KEY,
    shipment_id INT NOT NULL,
    location VARCHAR(255) NOT NULL,
    status VARCHAR(50) NOT NULL,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (shipment_id) REFERENCES Shipments(shipment_id)
);