'use server'

import {DeliveryOption, Lang, Order} from '@prisma/client'
import {z} from 'zod'

import {sendMail} from '@/actions/admin/mailer'
import {STORE_ID} from '@/lib/config/constants'
import dayjs from '@/lib/config/dayjs'
import {db} from '@/lib/db/prisma/client'
import {createOrderFormSchema} from '@/lib/schemas/admin/order'
import {dbErrorHandling} from '@/lib/utils'

const generateOrderNo = (): string => {
	const hex = Math.floor(Math.random() * 16777215)
		.toString(16)
		.slice(0, 3)
		.toUpperCase()

	return `${dayjs().format('YYMM')}-${hex}`
}

export const onPlacingOrder = async (
	formData: z.infer<typeof createOrderFormSchema>
) => {
	const fields = createOrderFormSchema.parse(formData)
	if (!fields) return {error: 'Недійсні вхідні дані'}

	const orderNo = generateOrderNo()

	try {
		const newOrder: Order = await db.order.create({
			data: {
				storeId: STORE_ID,
				lang: fields.lang as Lang,
				orderNo,
				isQuick: fields.is_quick,
				userId: fields.user_id ? parseInt(fields.user_id) : null,
				firstName: fields.first_name,
				surname: fields.surname,
				deliveryOption: fields.delivery_option as DeliveryOption,
				phone: fields.phone,
				email: fields.email,
				address: fields.address.length > 10 ? JSON.parse(fields.address) : null,
				notes: fields.notes?.toString().trim() !== '' ? fields.notes : null,
				details: fields.details ? JSON.parse(fields.details) : null
			}
		})

		const text = JSON.stringify(newOrder, null, 2)

		const result = await sendMail({
			email: `${newOrder.firstName} ${newOrder.surname} <${newOrder.email as string}>`,
			subject: `Замовлення № ${orderNo}`,
			text,
			html: `<pre>${text}</pre>`
		})

		const updated = await db.order.update({
			where: {
				id: newOrder.id
			},
			data: {
				emailSent: result.ok
			}
		})

		if (result.ok) {
			return {success: newOrder.orderNo}
		} else {
			return {
				error: result.message
			}
		}
	} catch (error) {
		return dbErrorHandling(error)
	}
}