import { relations } from 'drizzle-orm';
import { integer, numeric, pgSchema, text, timestamp, varchar } from 'drizzle-orm/pg-core';

export const schema = pgSchema('seeder_lib_pg');

export const customers = schema.table('customer', {
	id: varchar('id', { length: 256 }).primaryKey(),
	companyName: text('company_name').notNull(),
	contactName: text('contact_name').notNull(),
	contactTitle: text('contact_title').notNull(),
	address: text('address').notNull(),
	city: text('city').notNull(),
	postalCode: text('postal_code'),
	region: text('region'),
	country: text('country').notNull(),
	phone: text('phone').notNull(),
	fax: text('fax'),
});

export const employees = schema.table(
	'employee',
	{
		id: integer('id').primaryKey(),
		lastName: text('last_name').notNull(),
		firstName: text('first_name'),
		title: text('title').notNull(),
		titleOfCourtesy: text('title_of_courtesy').notNull(),
		birthDate: timestamp('birth_date').notNull(),
		hireDate: timestamp('hire_date').notNull(),
		address: text('address').notNull(),
		city: text('city').notNull(),
		postalCode: text('postal_code').notNull(),
		country: text('country').notNull(),
		homePhone: text('home_phone').notNull(),
		extension: integer('extension').notNull(),
		notes: text('notes').notNull(),
		reportsTo: integer('reports_to'),
		photoPath: text('photo_path'),
	},
);

export const employeesRelations = relations(employees, ({ one }) => ({
	employee: one(employees, {
		fields: [employees.reportsTo],
		references: [employees.id],
	}),
}));

export const orders = schema.table('order', {
	id: integer('id').primaryKey(),
	orderDate: timestamp('order_date').notNull(),
	requiredDate: timestamp('required_date').notNull(),
	shippedDate: timestamp('shipped_date'),
	shipVia: integer('ship_via').notNull(),
	freight: numeric('freight').notNull(),
	shipName: text('ship_name').notNull(),
	shipCity: text('ship_city').notNull(),
	shipRegion: text('ship_region'),
	shipPostalCode: text('ship_postal_code'),
	shipCountry: text('ship_country').notNull(),

	customerId: text('customer_id').notNull(),

	employeeId: integer('employee_id').notNull(),
});

export const ordersRelations = relations(orders, ({ one }) => ({
	customer: one(customers, {
		fields: [orders.customerId],
		references: [customers.id],
	}),
	employee: one(employees, {
		fields: [orders.employeeId],
		references: [employees.id],
	}),
}));

export const suppliers = schema.table('supplier', {
	id: integer('id').primaryKey(),
	companyName: text('company_name').notNull(),
	contactName: text('contact_name').notNull(),
	contactTitle: text('contact_title').notNull(),
	address: text('address').notNull(),
	city: text('city').notNull(),
	region: text('region'),
	postalCode: text('postal_code').notNull(),
	country: text('country').notNull(),
	phone: text('phone').notNull(),
});

export const products = schema.table('product', {
	id: integer('id').primaryKey(),
	name: text('name').notNull(),
	quantityPerUnit: text('quantity_per_unit').notNull(),
	unitPrice: numeric('unit_price').notNull(),
	unitsInStock: integer('units_in_stock').notNull(),
	unitsOnOrder: integer('units_on_order').notNull(),
	reorderLevel: integer('reorder_level').notNull(),
	discontinued: integer('discontinued').notNull(),

	supplierId: integer('supplier_id').notNull(),
});

export const productsRelations = relations(products, ({ one }) => ({
	supplier: one(suppliers, {
		fields: [products.supplierId],
		references: [suppliers.id],
	}),
}));

export const details = schema.table('order_detail', {
	unitPrice: numeric('unit_price').notNull(),
	quantity: integer('quantity').notNull(),
	discount: numeric('discount').notNull(),

	orderId: integer('order_id').notNull(),

	productId: integer('product_id').notNull(),
});

export const detailsRelations = relations(details, ({ one }) => ({
	order: one(orders, {
		fields: [details.orderId],
		references: [orders.id],
	}),
	product: one(products, {
		fields: [details.productId],
		references: [products.id],
	}),
}));