import React, { useEffect } from "react";
import { FormattedMessage, useIntl } from "react-intl";
import { useMutation, useQueryClient } from "react-query";
import Client, { ErrorInfo } from "../../../../classes/client";
import Input from "../../../form/input";
import BaseDialog from "../../action-dispatcher/base-dialog";
import { useSelector } from 'react-redux';
import { activeInstance, fetchAccount } from "../../../../redux/clientSlice";

import Alert from "@material-ui/lab/Alert";
import FormControl from "@material-ui/core/FormControl";
import FormControlLabel from "@material-ui/core/FormControlLabel";
import FormGroup from "@material-ui/core/FormGroup";
import Switch from "@material-ui/core/Switch";


type AccountInfoDialogProps = {
    onClose: () => void
}

type AccountInfoModel = {
    email: string,
    firstname: string,
    lastname: string
}

const defaultModel: AccountInfoModel = { firstname: '', lastname: '', email: '' };
const AccountInfoDialog = ({ onClose }: AccountInfoDialogProps) => {
    const client: Client = useSelector(activeInstance);
    const queryClient = useQueryClient();
    const [remove, setRemove] = React.useState<boolean>(false);

    const [model, setModel] = React.useState<AccountInfoModel>(defaultModel);
    const [error, setError] = React.useState<ErrorInfo>();
    const intl = useIntl();

    const mutationChangeName = useMutation<void, ErrorInfo, AccountInfoModel>((model: AccountInfoModel) => {
        return client.updateAccountInfo(model.firstname, model.lastname);
    },
        {
            onSuccess: () => {
                queryClient.invalidateQueries('account')
                onClose()
            },
            onError: (error) => {
                setError(error);
            }
        }
    );

    const mutationRemove = useMutation<void, ErrorInfo, void>(() => {
        return client.deleteAccount();
    },
        {
            onSuccess: () => {
                window.location.href = '/c/logout'
                onClose()
            },
            onError: (error) => {
                setError(error);
            }
        }
    );

    const account = fetchAccount();
    useEffect(() => {
        if (account) {
            setModel({
                email: account?.email,
                lastname: account?.lastname,
                firstname: account?.firstname
            });
        }
    }, [account?.email])


    const handleOnClose = (): void => {
        onClose();
        setModel(defaultModel);
        setError(undefined);
    };

    const handleOnSubmit = (event: React.FormEvent<HTMLFormElement>): void => {
        event.preventDefault();
        if (remove) {
            mutationRemove.mutate();
        } else {
            mutationChangeName.mutate(model);
        }
    };

    const handleOnChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
        event.preventDefault();

        const name = event.target.name;
        const value = event.target.value;
        setModel({ ...model, [name as keyof AccountInfoModel]: value });
    }

    const handleOnRemoveChange = (event) => {
        setRemove(event.target.checked);
    };

    return (
        <BaseDialog onClose={handleOnClose} onSubmit={handleOnSubmit} error={error}
            title={intl.formatMessage({ id: 'accountinfo.title', defaultMessage: 'Account info' })}
            submitButton={intl.formatMessage({ id: 'accountinfo.button', defaultMessage: 'Accept' })}>

            <FormControl fullWidth={true}>
                <Input name="email" type="text" disabled={true} label={intl.formatMessage({ id: "accountinfo.email", defaultMessage: "Email" })}
                    value={model.email} onChange={handleOnChange} error={error} fullWidth={true} />

                <Input name="firstname" type="text" label={intl.formatMessage({ id: "accountinfo.firstname", defaultMessage: "First Name" })}
                    value={model.firstname} onChange={handleOnChange} required={true} fullWidth={true} />

                <Input name="lastname" type="text" label={intl.formatMessage({ id: "accountinfo.lastname", defaultMessage: "Last Name" })}
                    value={model.lastname} onChange={handleOnChange} required={true} fullWidth={true} />

                <FormGroup>
                    {remove &&
                        <Alert severity="error">
                            <FormattedMessage id="account.delete-warning" defaultMessage="Keep in mind that you will not be able retrieve any mindmap you have added. All your information will be deleted and it can not be restored." />
                        </Alert>
                    }
                    <FormControlLabel
                        control={<Switch checked={remove} onChange={(handleOnRemoveChange)} name="remove" color="primary" />}
                        label="Delete Account"
                    />
                </FormGroup>
            </FormControl>

        </BaseDialog>
    );
}
export default AccountInfoDialog;