import { FC } from "react";
import React from "react";

import { SwitchProps, useSwitch } from "@heroui/switch";
import axios from "axios";

import { useTranslation } from 'react-i18next';
import { useUserStore } from "@/stores/userStore";

import {
  Modal,
  ModalContent,
  ModalHeader,
  ModalBody,
  ModalFooter,
  Button,
  useDisclosure,
Checkbox,
  Input,
  Link,
} from "@heroui/react";

export const MailIcon = (props) => {
  return (
    <svg
      aria-hidden="true"
      fill="none"
      focusable="false"
      height="1em"
      role="presentation"
      viewBox="0 0 24 24"
      width="1em"
      {...props}
    >
      <path
        d="M17 3.5H7C4 3.5 2 5 2 8.5V15.5C2 19 4 20.5 7 20.5H17C20 20.5 22 19 22 15.5V8.5C22 5 20 3.5 17 3.5ZM17.47 9.59L14.34 12.09C13.68 12.62 12.84 12.88 12 12.88C11.16 12.88 10.31 12.62 9.66 12.09L6.53 9.59C6.21 9.33 6.16 8.85 6.41 8.53C6.67 8.21 7.14 8.15 7.46 8.41L10.59 10.91C11.35 11.52 12.64 11.52 13.4 10.91L16.53 8.41C16.85 8.15 17.33 8.2 17.58 8.53C17.84 8.85 17.79 9.33 17.47 9.59Z"
        fill="currentColor"
      />
    </svg>
  );
};

export const LockIcon = (props) => {
  return (
    <svg
      aria-hidden="true"
      fill="none"
      focusable="false"
      height="1em"
      role="presentation"
      viewBox="0 0 24 24"
      width="1em"
      {...props}
    >
      <path
        d="M12.0011 17.3498C12.9013 17.3498 13.6311 16.6201 13.6311 15.7198C13.6311 14.8196 12.9013 14.0898 12.0011 14.0898C11.1009 14.0898 10.3711 14.8196 10.3711 15.7198C10.3711 16.6201 11.1009 17.3498 12.0011 17.3498Z"
        fill="currentColor"
      />
      <path
        d="M18.28 9.53V8.28C18.28 5.58 17.63 2 12 2C6.37 2 5.72 5.58 5.72 8.28V9.53C2.92 9.88 2 11.3 2 14.79V16.65C2 20.75 3.25 22 7.35 22H16.65C20.75 22 22 20.75 22 16.65V14.79C22 11.3 21.08 9.88 18.28 9.53ZM12 18.74C10.33 18.74 8.98 17.38 8.98 15.72C8.98 14.05 10.34 12.7 12 12.7C13.66 12.7 15.02 14.06 15.02 15.72C15.02 17.39 13.67 18.74 12 18.74ZM7.35 9.44C7.27 9.44 7.2 9.44 7.12 9.44V8.28C7.12 5.35 7.95 3.4 12 3.4C16.05 3.4 16.88 5.35 16.88 8.28V9.45C16.8 9.45 16.73 9.45 16.65 9.45H7.35V9.44Z"
        fill="currentColor"
      />
    </svg>
  );
};

export const LoginDialog:FC = () => {
    const { t } = useTranslation('common')
    const setUser = useUserStore((s) => s.setUser);
    const {isOpen, onOpen, onOpenChange} = useDisclosure()
    const [email, setEmail] = React.useState("")
    const [password, setPassword] = React.useState("")
    const [rememberMe, setRememberMe] = React.useState(false)
    const [errorMessage, setErrorMessage] = React.useState<string | null>(null)
    const [isSubmitting, setIsSubmitting] = React.useState(false)

    const handleSubmit = async () => {
        if (isSubmitting) {
            return;
        }

        const trimmedEmail = email.trim();
        if (!trimmedEmail || !password) {
            setErrorMessage(t('email_and_password_required'));
            return;
        }

        setIsSubmitting(true);
        setErrorMessage(null);

        try {
            // Laravel's stateful API expects the XSRF-TOKEN cookie before posting credentials
            await axios.get("/sanctum/csrf-cookie", { withCredentials: true });

            await axios.post(
                "/api/login",
                {
                    email: trimmedEmail,
                    password,
                    remember: rememberMe,
                },
                {
                    headers: {
                        "Content-Type": "application/json",
                        Accept: "application/json",
                    },
                    withCredentials: true,
                    withXSRFToken: true,
                }
            );

            const meResponse = await axios.get("/api/user", {
                headers: {
                Accept: "application/json",
                },
                withCredentials: true,
            });

            setUser(meResponse.data);

            //window.location.href = "/"; // pokud chceš full reload
            window.location.assign("/contests");
        } catch (error) {
            if (axios.isAxiosError(error)) {
                const responseError =
                    error.response?.data?.errors?.email ||
                    error.response?.data?.message;
                setErrorMessage(responseError || t("unable_to_sign_in"));
            } else {
                setErrorMessage(t("unable_to_sign_in"));
            }
        } finally {
            setIsSubmitting(false);
        }
    }

    return (
        <>
            <Modal
                isDismissable={false}
                isKeyboardDismissDisabled={true}
                isOpen={true}
                hideCloseButton={true}
                onOpenChange={onOpenChange}
                placement="top-center"
                backdrop="blur"
            >
                <ModalContent>
                    <ModalHeader className="flex flex-col gap-1">{t('login_dialog_label')}</ModalHeader>
                    <ModalBody>
                        <Input
                            endContent={
                                <MailIcon className="text-2xl text-default-400 pointer-events-none shrink-0" />
                            }
                            label={t("email")}
                            placeholder={t("enter_email")}
                            variant="bordered"
                            autoFocus={true}
                            type="email"
                            value={email}
                            onValueChange={setEmail}
                            autoComplete="email"
                        />
                        <Input
                            endContent={
                                <LockIcon className="text-2xl text-default-400 pointer-events-none shrink-0" />
                            }
                            label={t("password")}
                            placeholder={t("enter_password")}
                            type="password"
                            variant="bordered"
                            value={password}
                            onValueChange={setPassword}
                            autoComplete="current-password"
                        />
                        <div className="flex py-2 px-1 justify-between">
                            <Checkbox
                                classNames={{
                                label: "text-small",
                                }}
                                isSelected={rememberMe}
                                onValueChange={setRememberMe}
                            >
                                {t('remember_me')}
                            </Checkbox>
                            <Link color="primary" href="#" size="sm">
                                {t('forgot_password')}
                            </Link>
                        </div>
                        {errorMessage && (
                            <p className="text-sm text-red-500">
                                {errorMessage}
                            </p>
                        )}
                    </ModalBody>
                    <ModalFooter>
                    <Button color="danger" variant="flat" onPress={() => {history.back()}}>{t("close")}</Button>
                    <Button color="primary" onPress={handleSubmit} isLoading={isSubmitting} isDisabled={isSubmitting}>{t("sign_in")}</Button>
                </ModalFooter>
                </ModalContent>
            </Modal>
        </>
    )
}

export default LoginDialog