"use server";

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

type GenericGetResponseProps = {
	offset?: number;
	limit?: number;
	page?: number;
	[key: string]: string | number | undefined;
};

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 createTopup(data: { amount: number }) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/topup/`,
		{
			method: "POST",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
			body: JSON.stringify(data),
		},
	);
	return handleApiResponse<Topup>(response, "createTopup");
}

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;
}

type GetPaymentProps = {
	[key: string]: string | number | undefined; // Allow additional properties for flexibility
};

export async function getPayments(params: GetPaymentProps) {
	// Build query string from all defined params
	const query = Object.entries(params)
		.filter(([_, value]) => value !== undefined && value !== "")
		.map(([key, value]) => `${encodeURIComponent(key)}=${encodeURIComponent(String(value))}`)
		.join("&");
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/?${query}`,
		{
			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 getTopups(params: GenericGetResponseProps) {

	// Build query string from all defined params
	const query = Object.entries(params)
		.filter(([_, value]) => value !== undefined && value !== "")
		.map(([key, value]) => `${encodeURIComponent(key)}=${encodeURIComponent(String(value))}`)
		.join("&");

	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/topup/?${query}`,
		{
			method: "GET",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
		},
	);
	return handleApiResponse<ApiResponse<Topup>>(response, "getTopups");
}

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

	return handleApiResponse<Topup>(response, "getTopup");
}

export async function cancelTopup({ id }: { id: string }) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/topup/${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: "Topup successfully canceled." };
}

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 = {
	id: string;
	method: "TRANSFER" | "WALLET";
	benefName?: string;
	accountNo?: string;
	absAmount?: string;
	time?: string;
};
export async function verifyPayment({ id, method }: UpdatePayment) {
	const session = await getServerSession(authOptions);
	const response = await fetch(
		`${process.env.SARLINK_API_BASE_URL}/api/billing/payment/${id}/verify/`,
		{
			method: "PUT",
			headers: {
				"Content-Type": "application/json",
				Authorization: `Token ${session?.apiToken}`,
			},
			body: JSON.stringify({
				method,
			}),
		},
	);
	revalidatePath("/payments/[paymentId]", "page");
	return handleApiResponse<Payment>(response, "updatePayment");
}


export type VerifyTopupPaymentState = {
	transaction?: {
		sourceBank: string;
		trxDate: string;
	};
	message: string;
	success: boolean;
	fieldErrors: Record<string, string>;
	payload?: FormData;
}
export async function verifyTopupPayment(
	_prevState: VerifyTopupPaymentState,
	formData: FormData
): Promise<VerifyTopupPaymentState> {
	const session = await getServerSession(authOptions);

	// Get the topup ID from the form data or use a hidden input
	const topupId = formData.get('topupId') as string;

	if (!topupId) {
		return {
			message: "Topup ID is required",
			success: false,
			fieldErrors: { topupId: "Topup ID is required" },
		};
	}

	try {
		const response = await fetch(
			`${process.env.SARLINK_API_BASE_URL}/api/billing/topup/${topupId}/verify/`,
			{
				method: "PUT",
				headers: {
					"Content-Type": "application/json",
					Authorization: `Token ${session?.apiToken}`,
				},
			},
		);

		const result = await handleApiResponse<TopupResponse>(response, "verifyTopupPayment");

		revalidatePath("/top-ups/[topupId]", "page");

		return {
			message: result.message || "Topup payment verified successfully",
			success: true,
			fieldErrors: {},
			transaction: result.transaction,
		};
	} catch (error: unknown) {
		if (error instanceof Error) {
			return {
				message: error.message || "Please check your payment details and try again.",
				success: false,
				fieldErrors: {},
			};
		} else {
			return {
				message: "Topup verification failed.",
				success: false,
				fieldErrors: {},
			};
		}
	}
}

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

	return handleApiResponse<User>(response, "getProfile");
}