import React, {useState, useCallback} from "react";
import { useNavigate } from "react-router-dom";
import "../style/RegisterPage.scss";
import { Button, Dropdown, Icon, Input} from "semantic-ui-react";
import Axios from 'axios'
function RegisterPage(props) {
    const navigate = useNavigate();
    const [Id, setId] = useState("");
    const [Password, setPassword] = useState("");
    const [PasswordCheck,setPasswordCheck] = useState("");
    const [Personality, setPersonality] = useState("");
    const onIdHandler = (event) => {
        setId(event.currentTarget.value);
    };
    const onPasswordHandler = (event) => {
        setPassword(event.currentTarget.value);
    };
    const onPersonalityHandler = (event) => {
        setPersonality(event.currentTarget.value.toUpperCase());
    };
    const onPasswordChkHandler = (event) => {
        //비밀번호를 입력할때마다 password 를 검증하는 함수
        setPasswordCheck(event.currentTarget.value);
    };
    const onSubmitHandler = (event) => {
        event.preventDefault();
        console.log("ID", Id);
        console.log("Password", Password);
        console.log("MBTI", Personality);
        if (Password !== PasswordCheck) {
            return alert('비밀번호가 일치하지 않습니다.')
        }
        else if((Personality[0] !== 'I' && Personality[0] !== 'E') || (Personality[1] !== 'S' && Personality[1] !== 'N')
        || (Personality[2] !== 'F' && Personality[2] !== 'T') || (Personality[3] !== 'J' && Personality[3] !== 'P'))
        { 
            return alert('올바르지 않은 MBTI입니다.')
        }
        else{
            Axios.post('/api/register',{
                Id, 
                Password,
                Personality
            })
            .then((res)=>{
                if(res.status === 200){
                    alert("회원가입에 성공하였습니다.")
                    navigate('/login')
                }
            }).catch((error) => {
                console.log(error.response)
                alert("중복된 아이디입니다.")
            })
        }
    }
    return (
        <div id="Register">
            <div className="register-form">
                <form onSubmit={onSubmitHandler}>
                    <h1>Tunnel</h1>
                    <div className="input-area">
                        <Input
                            icon={<Icon name="id badge"/>}
                            iconPosition='left'
                            placeholder="ID"
                            type="text"
                            value={Id}
                            autoComplete="off"
                            required onChange={onIdHandler}/>
                    </div>
                    <div className="input-area">
                        <Input
                            icon={<Icon name='heart'/>}
                            iconPosition='left'
                            placeholder="Your MBTI"
                            maxlength='4'
                            type="text"
                            value={Personality}
                            autoComplete="off"
                            onChange={onPersonalityHandler}/>
                    </div>
                    <div className="input-area">
                        <Input
                            icon={<Icon name='lock'/>}
                            iconPosition='left'
                            placeholder="Password"
                            type="password"
                            value={Password}
                            autoComplete="off"
                            onChange={onPasswordHandler}/>
                    </div>
                    <div className="input-area">
                        <Input
                            icon={<Icon name='check'/>}
                            iconPosition='left'
                            placeholder="Check your Password"
                            type="password"
                            value={PasswordCheck}
                            autoComplete="off"
                            onChange={onPasswordChkHandler}/>
                    </div>
                    <div className="btn-area" >
                        <Button className='register-btn'
                                content='Sign up'
                                icon='signup'/>
                    </div>
                </form>
            </div>
        </div>
    );
}
export default RegisterPage;