import nodemailer from 'nodemailer';
import sql from '$lib/db/db.server';
import jwt from 'jsonwebtoken';
import { type inquiryTokenPayload, Sender } from '$lib/types/inquiries';
import type { Item } from '$lib/types/item';

// Create a transporter object using SMTP transport
export const transporter = nodemailer.createTransport({
	host: process.env.EMAIL_HOST,
	port: Number(process.env.EMAIL_PORT),
	secure: true, // true for 465, false for other ports
	auth: {
		user: process.env.EMAIL_USER,
		pass: process.env.EMAIL_PASS
	}
});

export async function sendNewInquiryEmail(inquiryId: number) {
	// const item: Item = await sql`
	// 	SELECT json_agg(item_data) AS result
	// 	FROM (
	// 				 SELECT
	// 					 i.*,
	// 					 (
	// 						 SELECT json_agg(thread_data)
	// 						 FROM (
	// 										SELECT
	// 											it.id,
	// 											it.item_id,
	// 											(
	// 												SELECT json_agg(im)
	// 												FROM inquiry_messages im
	// 												WHERE im.thread_id = it.id
	// 											) AS messages
	// 										FROM inquiry_threads it
	// 										WHERE it.id = ${inquiryId}
	// 									) AS thread_data
	// 					 ) AS threads
	// 				 FROM items i
	// 				 WHERE i.id = (
	// 					 SELECT item_id
	// 					 FROM inquiry_threads
	// 					 WHERE id = ${inquiryId}
	// 				 )
	// 			 ) AS item_data;
	//
	// `;

	const [item]: Item[] = await sql`
		SELECT
			i.*,
			json_agg(
			jsonb_build_object(
				'id', t.id,
				'item_id', t.item_id,
				'created_at', t.created_at,
				'messages', m.messages
			)
							) FILTER ( WHERE t.id = ${inquiryId} ) AS threads
		FROM items i
					 LEFT JOIN inquiry_threads t
										 ON t.item_id = i.id
					 LEFT JOIN LATERAL (
			SELECT
				json_agg(im.* ORDER BY im.created_at) AS messages
			FROM inquiry_messages im
			WHERE im.thread_id = t.id
			) m ON TRUE
		WHERE i.id = (SELECT item_id FROM inquiry_threads WHERE id = ${inquiryId})
		GROUP BY i.id;`;

	const tokenPayload: inquiryTokenPayload = {
		threadId: inquiryId,
		sender: Sender.FINDER
	};
	const replyToken = jwt.sign(tokenPayload, process.env.JWT_SECRET!);

	console.log(item);
	console.log(item.threads);
	console.log(replyToken);
	// Send mail with defined transport object
	await transporter.sendMail({
		from: `Westuffind Notifier <${process.env.EMAIL_USER}>`,
		to: item.emails,
		// to: 'drake@marinodev.com', // TEMPORARY EMAIL FOR TESTING
		replyTo: `${process.env.EMAIL_USER!.split('@')[0]}+${replyToken}${process.env.EMAIL_USER!.split('@')[1]}`,
		subject: 'New Item Inquiry!',
		text: `Someone has made an inquiry on the item with description: ${item.description}\nThey ask: ${item.threads![0].messages[0].body}\n\n\nRespond to this email directly, or click the below link to reply on Westuffinder\n${process.env.BASE_URL}/items/${item.id}/inquiries/${inquiryId}?token=${replyToken}`
	});
}

export async function sendInquiryMessageEmail(inquiryId: number, sender: Sender) {
	const [item]: Item[] = await sql`
		SELECT
			i.*,
			json_agg(
			jsonb_build_object(
				'id', t.id,
				'item_id', t.item_id,
				'created_at', t.created_at,
				'messages', m.messages
			)
							) FILTER ( WHERE t.id = ${inquiryId} ) AS threads
		FROM items i
					 LEFT JOIN inquiry_threads t
										 ON t.item_id = i.id
					 LEFT JOIN LATERAL (
			SELECT
				json_agg(im.* ORDER BY im.created_at) AS messages
			FROM inquiry_messages im
			WHERE im.thread_id = t.id
			) m ON TRUE
		WHERE i.id = (SELECT item_id FROM inquiry_threads WHERE id = ${inquiryId})
		GROUP BY i.id;`;

	const tokenPayload: inquiryTokenPayload = {
		threadId: inquiryId,
		sender
	};
	const replyToken = jwt.sign(tokenPayload, process.env.JWT_SECRET!);

	// Send mail with defined transport object
	await transporter.sendMail({
		from: `Westuffind Notifier <${process.env.EMAIL_USER}>`,
		to: item.emails,
		// to: 'drake@marinodev.com', // TEMPORARY EMAIL FOR TESTING
		replyTo: `${process.env.EMAIL_USER!.split('@')[0]}+${replyToken}${process.env.EMAIL_USER!.split('@')[1]}`,
		subject: 'New Item Inquiry!',
		text: `Someone has replied to the inquiry on the item with description: ${item.description}\nThey say: ${item.threads![0].messages[item.threads![0].messages.length - 1].body}\n\n\nRespond to this email directly, or click the below link to reply on Westuffinder\n${process.env.BASE_URL}/items/${item.id}/inquiries/${inquiryId}?token=${replyToken}`
	});
}

export async function sendClaimEmail(id: number, email: string) {
	const [item]: Item[] = await sql`
		SELECT * FROM items WHERE id = ${id};`;

	if (!item.transferred) {
		// Send mail with defined transport object
		await transporter.sendMail({
			from: `Westuffind Notifier <${process.env.EMAIL_USER}>`,
			to: item.emails,
			replyTo: email,
			// to: 'drake@marinodev.com', // TEMPORARY EMAIL FOR TESTING
			subject: 'Your Item was Claimed!',
			text: `Someone has claimed your item with description: ${item.description}\nReply to this email explaining how they can pick up the item from you. Replies to this email go directly to the claimer.`
		});
	}
}