"use server";

import { authOptions } from "@/app/auth";
import type {
	ApiError,
	ApiResponse,
	NewPayment,
	Payment,
} from "@/lib/backend-types";
import type { User } from "@/lib/types/user";
import { tryCatch } from "@/utils/tryCatch";
import { getServerSession } from "next-auth";
import { revalidatePath } from "next/cache";
import { redirect } from "next/navigation";

export async function createPayment(data: NewPayment) {
	const session = await getServerSession(authOptions);
	console.log("data", data);
	const response = await fetch(
		`${
			process.env.SARLINK_API_BASE_URL // });
		}/api/billing/payment/`,
		{
			method: "POST",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
			body: JSON.stringify(data),
		},
	);
	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	const payment = (await response.json()) as Payment;
	revalidatePath("/devices");
	return payment;
}

export async function getPayment({ id }: { id: string }) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/${id}`,
		{
			method: "GET",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
		},
	);

	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	const data = (await response.json()) as Payment;
	return data;
}

export async function getPayments() {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/`,
		{
			method: "GET",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
		},
	);
	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	const data = (await response.json()) as ApiResponse<Payment>;
	return data;
}

export async function cancelPayment({ id }: { id: string }) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/${id}/delete/`,
		{
			method: "DELETE",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
		},
	);
	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	return { message: "Payment successfully canceled." };
}

type UpdatePayment = Pick<
	Payment,
	"id" | "paid" | "paid_at" | "method" | "number_of_months"
>;
export async function updatePayment({
	id,
	method,
	paid,
	paid_at,
	number_of_months,
}: UpdatePayment) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/${id}/update/`,
		{
			method: "PUT",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
			body: JSON.stringify({
				method,
				paid,
				paid_at,
				number_of_months,
			}),
		},
	);

	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	const payment = (await response.json()) as Payment;
	return payment;
}

type TUpdateWalletBalance = Pick<User, "id" | "wallet_balance">;
export async function updateWalletBalance({
	id,
	wallet_balance,
}: TUpdateWalletBalance) {
	const session = await getServerSession(authOptions);
	console.log("wallet bal in server action", wallet_balance);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/auth/update-wallet/${id}/`,
		{
			method: "PUT",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
			body: JSON.stringify({
				wallet_balance: Number.parseFloat(wallet_balance?.toFixed(2) ?? "0"),
			}),
		},
	);

	if (!response.ok) {
		const errorData = (await response.json()) as ApiError;
		const errorMessage =
			errorData.message || errorData.detail || "An error occurred.";
		const error = new Error(errorMessage);
		(error as ApiError & { details?: ApiError }).details = errorData; // Attach the errorData to the error object
		throw error;
	}
	const message = (await response.json()) as {
		message: "Wallet balance updated successfully.";
	};
	return message;
}

type VerifyPaymentType = {
	userId: string;
	paymentId?: string;
	benefName: string;
	accountNo?: string;
	absAmount: string;
	time: string;
	type?: "TRANSFER" | "WALLET";
};

class InsufficientFundsError extends Error {
	constructor() {
		super("Insufficient funds in wallet");
		this.name = "InsufficientFundsError";
	}
}

export async function processWalletPayment({
	payment,
	amount,
}: { payment: Payment | undefined; amount: number }) {
	const session = await getServerSession(authOptions);
	if (!session?.user || !payment) {
		throw new Error("User or payment not found");
	}

	const walletBalance = session.user.wallet_balance ?? 0;
	if (walletBalance < amount) {
		throw new InsufficientFundsError();
	}

	const [updatePaymentError, _] = await tryCatch(
		updatePayment({
			id: payment.id,
			method: "WALLET",
			paid: true,
			paid_at: new Date().toISOString(),
			number_of_months: payment.number_of_months,
		}),
	);
	if (updatePaymentError) {
		throw new Error(updatePaymentError.message);
	}
	console.log("Wallet balance before update:", walletBalance);
	const updated_balance = walletBalance - amount;
	const [walletUpdateError, response] = await tryCatch(
		updateWalletBalance({
			id: session.user.id,
			wallet_balance: Number.parseFloat(updated_balance?.toFixed(2) ?? "0"),
		}),
	);
	if (walletUpdateError) {
		throw new Error(walletUpdateError.message);
	}
	revalidatePath("/payments/[paymentsId]", "page");
	return response;
}

type VerifyPaymentResponse =
	| {
			success: boolean;
			message: string;
	  }
	| {
			success: boolean;
			message: string;
			transaction: {
				ref: string;
				sourceBank: string;
				trxDate: string;
			};
	  };

// async function verifyExternalPayment(
// 	data: VerifyPaymentType,
// 	payment: PaymentWithDevices | null,
// ): Promise<VerifyPaymentResponse> {
// 	console.log("payment verify data ->", data);
// 	const response = await fetch(
// 		"https://verifypaymentsapi.baraveli.dev/verify-payment",
// 		{
// 			method: "POST",
// 			headers: { "Content-Type": "application/json" },
// 			body: JSON.stringify(data),
// 		},
// 	);

// 	const json = await response.json();
// 	console.log(json);
// 	if (!payment) {
// 		throw new Error("Payment verification failed or payment not found");
// 	}

// 	if (json.success) {
// 		const expiryDate = new Date();
// 		expiryDate.setMonth(expiryDate.getMonth() + payment.numberOfMonths);
// 		await prisma.payment.update({
// 			where: { id: payment.id },
// 			data: {
// 				paid: true,
// 				paidAt: new Date(),
// 				method: "TRANSFER",
// 				devices: {
// 					updateMany: payment.devices.map((device) => ({
// 						where: { id: device.id },
// 						data: {
// 							isActive: true,
// 							expiryDate: expiryDate,
// 						},
// 					})),
// 				},
// 			},
// 		});
// 	}

// 	return json;
// }

// async function updateDevices(payment: PaymentWithDevices | null) {
// 	if (!payment) return;

// 	const newDevices = payment.devices.map((d) => ({
// 		name: d.name,
// 		macAddress: formatMacAddress(d.mac),
// 	}));

// 	return await addDevicesToGroup({
// 		groupId: process.env.OMADA_GROUP_ID,
// 		siteId: process.env.OMADA_SITE_ID,
// 		newDevices,
// 	});
// }

// export async function verifyPayment(data: VerifyPaymentType) {
// 	try {
// 		const [payment, user] = await Promise.all([
// 			prisma.payment.findUnique({
// 				where: { id: data.paymentId },
// 				include: { devices: true },
// 			}),
// 			prisma.user.findUnique({
// 				where: { id: data.userId },
// 			}),
// 		]);

// 		if (data.type === "WALLET") {
// 			console.log("WALLET");
// 			await processWalletPayment(user, payment, Number(data.absAmount));
// 			redirect("/payments");
// 		}
// 		if (data.type === "TRANSFER") {
// 			console.log({ data, payment });
// 			const verificationResult = await verifyExternalPayment(data, payment);
// 			await updateDevices(payment);

// 			revalidatePath("/payment[paymentId]");

// 			return verificationResult;
// 		}
// 	} catch (error) {
// 		console.error("Payment verification failed:", error);
// 		throw error; // Re-throw to handle at a higher level
// 	}
// }

// export async function addDevicesToOmada() {
// 	console.log("hi");
// }