"use client";

import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";

import AutoForm, { AutoFormSubmit } from "@/components/auto-form";
import { UserDataContext } from "@/components/providers/userdata-provider";
import { ToastBox, toastType } from "@/components/ui/toast-box";
import { useToast } from "@/components/ui/use-toast";
import type {
	IApiLoginReq,
	IApiLoginRes,
	IApiRegisterReq,
	IApiRegisterRes,
} from "@/interfaces/api.interface";
import { EReturnState, type IStandardisedReturn } from "@/interfaces/general.interface";
import type { IUserData } from "@/interfaces/userdata.interface";
import ApiRequest from "@/services/apiRequest";
import { useLocalStorage } from "@/services/localStorage";
import { Bug, RefreshCw } from "lucide-react";
import Link from "next/link";
import { type Dispatch, type SetStateAction, useContext, useState } from "react";
import * as z from "zod";

const loginSchema = z.object({
	email: z
		.string({
			required_error: "Email is needed.",
		})
		.email({
			message: "Should be a valid email.",
		})
		.describe("Your account email."),
	password: z
		.string({
			required_error: "Password is needed.",
		})
		.describe("Your account password."),
});

const registerSchema = z.object({
	firstName: z.string({
		required_error: "",
	}),
	lastName: z.string(),
	age: z.number().min(18).max(120),
	pseudo: z.string({
		required_error: "",
	}),
	city: z.string({
		required_error: "",
	}),

	email: z
		.string({
			required_error: "Email is needed.",
		})
		.email("Should be a valid email."),
	password: z
		.string({
			required_error: "Password is needed.",
		})
		.describe("Your account password."),
});

export function AuthForms() {
	const [isLoading, setIsLoading] = useState(false);
	const [sub, setSub] = useLocalStorage<string | undefined>("sub", "");
	const userContext = useContext(UserDataContext);
	const { toast } = useToast();

	async function doRegister(
		registerData: IApiRegisterReq,
		userDataSetter: Dispatch<SetStateAction<IUserData | null>>,
	): Promise<IStandardisedReturn<IApiRegisterRes>> {
		console.trace(registerData);
		try {
			const ReqRes = await ApiRequest.standard.post.json<
				IApiRegisterReq,
				IApiRegisterRes
			>("auth/signup", registerData);
			console.trace(ReqRes.data);
			if (ReqRes.data.user) {
				userDataSetter({
					...ReqRes.data.user,
					wallet: {
						uat: Date.now(),
						update_interval: 30_000,
						owned_cryptos: [],
					},
				});

				setSub(ReqRes.data.access_token);
			}
			console.debug(ReqRes.data.message || "Not additional message from request");
			return {
				state: EReturnState.done,
				resolved: ReqRes.data,
			};
		} catch (error) {
			console.error("Error during registration:", error);
			return {
				state: EReturnState.serverError,
				message: error as string,
			};
		}
	}

	async function doLogin(
		loginData: IApiLoginReq,
	): Promise<IStandardisedReturn<IApiLoginRes>> {
		try {
			const ReqRes = await ApiRequest.standard.post.json<IApiLoginReq, IApiLoginRes>(
				"auth/signin",
				loginData,
			);
			console.trace(ReqRes.data);
			if (ReqRes.data.access_token) {
				setSub(ReqRes.data.access_token);
			}
			return {
				state: EReturnState.done,
			};
		} catch (err) {
			console.error("Error during login:", err);
			return {
				state: EReturnState.serverError,
				message: err as string,
			};
		}
	}

	if (!userContext || !userContext.setUserData) {
		return (
			<div
				className={
					"bg-destructive text-destructive-foreground p-3 gap-2 border rounded flex flex-row justify-center items-center"
				}
			>
				<Bug />
				<p>It seems that the context is missing..</p>
			</div>
		);
	}

	return (
		<Tabs defaultValue="login" className="w-full p-2 md:w-[400px] my-4">
			<TabsList className="grid w-full grid-cols-2">
				<TabsTrigger value="login">Login</TabsTrigger>
				<TabsTrigger value="register">Register</TabsTrigger>
			</TabsList>
			<TabsContent value="login">
				<AutoForm
					// Pass the schema to the form
					formSchema={loginSchema}
					onSubmit={(data: IApiLoginReq) => {
						setIsLoading(true);
						doLogin(data).then((res) => {
							if (res.state !== EReturnState.done) {
								toast({
									description: res.message || "An unexpected error occurred..",
									variant: "destructive",
								});
								setIsLoading(false);
								return;
							}
							//toast.custom(<ToastBox message={"Login successful ! \n You will be redirected."} type={toastType.success}/>)
							toast({
								description: "Login successful ! \n You will be redirected.",
							});
							setTimeout(() => {
								setIsLoading(false);
								location.href = "/";
								console.log("Moving to home.");
							}, 3_000);
						});
					}}
					fieldConfig={{
						password: {
							inputProps: {
								type: "password",
								placeholder: "••••••••",
							},
						},
					}}
				>
					<AutoFormSubmit
						disabled={!!isLoading}
						className={"gap-2 disabled:bg-secondary"}
					>
						{/* biome-ignore lint/style/useTemplate: <explanation> */}
						<RefreshCw className={"animate-spin" + isLoading && "hidden"} />
						<p>Login</p>
					</AutoFormSubmit>
				</AutoForm>
			</TabsContent>
			<TabsContent value="register">
				<AutoForm
					// Pass the schema to the form
					formSchema={registerSchema}
					onSubmit={(data: IApiRegisterReq) => {
						setIsLoading(true);
						doRegister(
							data,
							userContext.setUserData as Dispatch<SetStateAction<IUserData | null>>,
						).then((res) => {
							if (res.state !== EReturnState.done) {
								//toast.custom(<ToastBox message={res.message || "An unexpected error occurred.."} type={toastType.error}/>)
								setIsLoading(false);
								return;
							}
							//toast.custom(<ToastBox message={"Register successful ! \n You will be redirected."} type={toastType.success}/>)
							setTimeout(() => {
								setIsLoading(false);
								//location.href = "/"
								console.log("Moving to home.");
							}, 5_000);
						});
					}}
					fieldConfig={{
						password: {
							inputProps: {
								type: "password",
								placeholder: "••••••••",
							},
						},
					}}
				>
					<AutoFormSubmit
						disabled={!!isLoading}
						className={"gap-2 disabled:bg-secondary"}
					>
						{/* biome-ignore lint/style/useTemplate: <explanation> */}
						<RefreshCw className={"animate-spin" + !isLoading && "hidden"} />
						<p>Register</p>
					</AutoFormSubmit>
					<p className="text-gray-500 text-sm">
						By submitting this form, you agree to our{" "}
						<Link href="#" className="text-primary underline">
							terms and conditions
						</Link>
						.
					</p>
				</AutoForm>
			</TabsContent>
		</Tabs>
	);
}