import { Box, IconButton, Link, Typography, useMediaQuery, useTheme } from "@mui/material";
import CustomButton from "../components/CustomButton";
import InputTextfield from "../components/InputTextfield";
import PenaLogo from "../components/PenaLogo";
import CloseIcon from "@mui/icons-material/Close";
import { authHandler } from "../utils/api/authenticationHandler";
import { useNavigate } from "react-router-dom";
import { useFormik } from "formik";


interface Values {
    login: string;
    email: string;
    phoneNumber: string;
    password: string;
    repeatPassword: string;
}

// TODO
function validate(values: Values) {
    const errors = {} as any;
    if (!values.login) {
        errors.login = "Required";
    } else if (!/^[\w-]{3,25}$/i.test(values.login)) {
        errors.login = "Invalid username";
    }
    if (!values.password) {
        errors.password = "Required";
    } else if (!/^[\w-]{8,25}$/i.test(values.password)) {
        errors.password = "Invalid password";
    }
    if (values.password !== values.repeatPassword) {
        errors.repeatPassword = "Passwords do not match";
    }
    return errors;
}

export default function Signup() {
    const theme = useTheme();
    const upMd = useMediaQuery(theme.breakpoints.up("md"));
    const navigate = useNavigate();
    const formik = useFormik<Values>({
        initialValues: {
            login: "",
            email: "",
            phoneNumber: "",
            password: "",
            repeatPassword: "",
        },
        validate,
        onSubmit: async (values: Values) => {
            const result = await authHandler.register({
                email: values.email,
                login: values.login,
                password: values.password,
                phoneNumber: values.phoneNumber,
            });
            if (result instanceof Error) {
                console.log("TODO handle register error");
                return;
            }
            console.log("TODO handle register success feedback");
            navigate("/signin");
        }
    });

    return (
        <Box
            sx={{
                display: "flex",
                justifyContent: "center",
                alignItems: "center",
                height: "100vh",
            }}
        >
            <Box
                component="form"
                onSubmit={formik.handleSubmit}
                noValidate
                sx={{
                    position: "relative",
                    width: upMd ? "600px" : "100%",
                    height: upMd ? "auto" : "100%",
                    backgroundColor: "white",
                    display: "flex",
                    alignItems: "center",
                    flexDirection: "column",
                    p: upMd ? "50px" : "18px",
                    pb: upMd ? "40px" : "30px",
                    gap: "15px",
                    borderRadius: "12px",
                    boxShadow: `0px 100px 309px rgba(210, 208, 225, 0.24),
                                0px 41.7776px 129.093px rgba(210, 208, 225, 0.172525), 
                                0px 22.3363px 69.0192px rgba(210, 208, 225, 0.143066),
                                0px 12.5216px 38.6916px rgba(210, 208, 225, 0.12),
                                0px 6.6501px 20.5488px rgba(210, 208, 225, 0.0969343),
                                0px 2.76726px 8.55082px rgba(210, 208, 225, 0.0674749)`,
                }}
            >
                <IconButton
                    sx={{
                        position: "absolute",
                        right: "15px",
                        top: "15px",
                        p: 0,
                    }}
                >
                    <CloseIcon sx={{ transform: "scale(1.5)" }} />
                </IconButton>
                <Box sx={{ mt: "65px" }}>
                    <PenaLogo width={upMd ? 233 : 196} />
                </Box>
                <Typography
                    sx={{
                        color: theme.palette.grey3.main,
                        mt: "5px",
                        mb: upMd ? "35px" : "33px",
                    }}
                >Регистрация</Typography>
                <InputTextfield
                    TextfieldProps={{
                        value: formik.values.login,
                        placeholder: "username",
                        onBlur: formik.handleBlur,
                        error: formik.touched.login && Boolean(formik.errors.login),
                        helperText: formik.touched.login && formik.errors.login,
                    }}
                    onChange={formik.handleChange}
                    id="login"
                    label="Login"
                    gap={upMd ? "15px" : "10px"}
                />
                <InputTextfield
                    TextfieldProps={{
                        value: formik.values.email,
                        placeholder: "username@penahub.com",
                        onBlur: formik.handleBlur,
                        error: formik.touched.email && Boolean(formik.errors.email),
                        helperText: formik.touched.email && formik.errors.email,
                    }}
                    onChange={formik.handleChange}
                    id="email"
                    label="E-mail"
                    gap={upMd ? "15px" : "10px"}
                />
                <InputTextfield
                    TextfieldProps={{
                        value: formik.values.phoneNumber,
                        placeholder: "+7 900 000 00 00",
                        onBlur: formik.handleBlur,
                        error: formik.touched.phoneNumber && Boolean(formik.errors.phoneNumber),
                        helperText: formik.touched.phoneNumber && formik.errors.phoneNumber,
                    }}
                    onChange={formik.handleChange}
                    id="phoneNumber"
                    label="Телефон"
                    gap={upMd ? "15px" : "10px"}
                />
                <InputTextfield
                    TextfieldProps={{
                        value: formik.values.password,
                        placeholder: "Не менее 8 символов",
                        onBlur: formik.handleBlur,
                        error: formik.touched.password && Boolean(formik.errors.password),
                        helperText: formik.touched.password && formik.errors.password,
                        type: "password",
                    }}
                    onChange={formik.handleChange}
                    id="password"
                    label="Пароль"
                    gap={upMd ? "15px" : "10px"}
                />
                <InputTextfield
                    TextfieldProps={{
                        value: formik.values.repeatPassword,
                        placeholder: "Не менее 8 символов",
                        onBlur: formik.handleBlur,
                        error: formik.touched.repeatPassword && Boolean(formik.errors.repeatPassword),
                        helperText: formik.touched.repeatPassword && formik.errors.repeatPassword,
                        type: "password",
                    }}
                    onChange={formik.handleChange}
                    id="repeatPassword"
                    label="Повторить пароль"
                    gap={upMd ? "15px" : "10px"}
                />
                <CustomButton
                    fullWidth
                    variant="contained"
                    sx={{
                        backgroundColor: theme.palette.brightPurple.main,
                        textColor: "white",
                        width: "100%",
                        mt: upMd ? undefined : "10px",
                    }}
                    py="12px"
                    type="submit"
                    disabled={formik.isSubmitting}
                >Войти</CustomButton>
                <Link
                    href="#"
                    sx={{
                        color: theme.palette.brightPurple.main,
                        mt: "auto",
                    }}
                >Вход в личный кабинет</Link>
            </Box>
        </Box>
    );
}