source: frontend/src/pages/Register.tsx@ 16aed54

import { useEffect, useState } from "react";
import { useNavigate } from "react-router";
import { toast } from "react-toastify";
import axiosInstance, { scheduleTokenRefresh } from "../api/axiosInstance";
import { useAuth } from "../context/authContext";
import type { User } from "../utils/types";

const Register = () => {
        const { setUser } = useAuth();
        const [username, setUsername] = useState("");
        const [password, setPassword] = useState("");
        const [fullname, setFullname] = useState("");
        const [email, setEmail] = useState("");
        const [profilePhotoFile, setProfilePhotoFile] = useState<File | null>(null);
        const [previewProfilePhoto, setPreviewProfilePhoto] = useState<string | null>(
                null,
        );
        const [error, setError] = useState<string | null>(null);

        const navigate = useNavigate();

        useEffect(() => {
                return () => {
                        if (previewProfilePhoto) {
                                URL.revokeObjectURL(previewProfilePhoto);
                        }
                };
        }, [previewProfilePhoto]);

        const handleRemoveFile = () => {
                if (previewProfilePhoto) {
                        URL.revokeObjectURL(previewProfilePhoto);
                }
                setProfilePhotoFile(null);
                setPreviewProfilePhoto(null);
        };

        const handleRegister = async (e: React.FormEvent) => {
                e.preventDefault();
                if (profilePhotoFile && profilePhotoFile.size > 5 * 1024 * 1024) {
                        alert("Max file size is 5MB");
                        return;
                }

                if (username === "" || password === "" || fullname === "" || email === "") {
                        setError("Please fill in all required fields.");
                        return;
                }

                if (profilePhotoFile && !profilePhotoFile.type.startsWith("image/")) {
                        alert("Only images allowed");
                        return;
                }
                const formData = new FormData();
                if (profilePhotoFile) formData.append("profilePhoto", profilePhotoFile);
                formData.append("username", username);
                formData.append("fullname", fullname);
                formData.append("email", email);
                formData.append("password", password);

                try {
                        const response = await axiosInstance.post<{
                                user: User;
                                tokenExpiresIn: number;
                        }>("/auth/register", formData);
                        scheduleTokenRefresh(response.data.tokenExpiresIn);
                        setUser(response.data.user);
                        navigate("/");
                        toast.success("Registration successful!");
                } catch (error: any) {
                        const errorMessage = error.response?.data?.error || "Please try again.";
                        setError(`Registration failed: ${errorMessage}`);
                }
        };

        return (
                <div className="flex flex-col items-center justify-center min-h-[90vh] bg-gray-100">
                        <h2 className="text-2xl mb-4">Register</h2>
                        <form className="bg-white p-6 rounded shadow-md w-full max-w-md">
                                {error && <p className="text-red-500 mb-4">{error}</p>}
                                <div className="mb-4">
                                        <label className="block text-gray-700 mb-2" htmlFor="username">
                                                Username
                                        </label>
                                        <input
                                                type="text"
                                                id="username"
                                                className="w-full p-2 border border-gray-300 rounded"
                                                value={username}
                                                onChange={(e) => setUsername(e.target.value)}
                                        />
                                </div>
                                <div className="mb-4">
                                        <label className="block text-gray-700 mb-2" htmlFor="password">
                                                Password
                                        </label>
                                        <input
                                                type="password"
                                                id="password"
                                                className="w-full p-2 border border-gray-300 rounded"
                                                value={password}
                                                onChange={(e) => setPassword(e.target.value)}
                                        />
                                </div>
                                <div className="mb-4">
                                        <label className="block text-gray-700 mb-2" htmlFor="fullName">
                                                Full Name
                                        </label>
                                        <input
                                                type="text"
                                                id="fullName"
                                                className="w-full p-2 border border-gray-300 rounded"
                                                value={fullname}
                                                onChange={(e) => setFullname(e.target.value)}
                                        />
                                </div>
                                <div className="mb-4">
                                        <label className="block text-gray-700 mb-2" htmlFor="email">
                                                Email
                                        </label>
                                        <input
                                                type="email"
                                                id="email"
                                                className="w-full p-2 border border-gray-300 rounded"
                                                value={email}
                                                onChange={(e) => setEmail(e.target.value)}
                                        />
                                </div>
                                <div className="mb-4">
                                        <label className="block text-gray-700 mb-2">Profile Photo</label>
                                        <div className="flex items-center gap-3">
                                                <label
                                                        htmlFor="profilePhoto"
                                                        className="px-4 py-2 bg-blue-500 text-white rounded cursor-pointer hover:bg-blue-600 transition-colors text-sm font-medium text-center"
                                                >
                                                        Choose File
                                                </label>
                                                <span className="text-gray-600 text-sm flex-1">
                                                        {profilePhotoFile ? profilePhotoFile.name : "No file chosen"}
                                                </span>
                                                {profilePhotoFile && (
                                                        <button
                                                                type="button"
                                                                onClick={handleRemoveFile}
                                                                className="px-3 py-2 bg-red-500 text-white rounded hover:bg-red-600 transition-colors text-sm font-medium"
                                                        >
                                                                Remove
                                                        </button>
                                                )}
                                        </div>
                                        <input
                                                type="file"
                                                accept="image/*"
                                                id="profilePhoto"
                                                className="hidden"
                                                onChange={(e) => {
                                                        if (e.target.files && e.target.files[0]) {
                                                                setProfilePhotoFile(e.target.files[0]);
                                                                setPreviewProfilePhoto(URL.createObjectURL(e.target.files[0]));
                                                        }
                                                }}
                                        />
                                </div>
                                {previewProfilePhoto && (
                                        <div className="mb-4">
                                                <p className="block text-gray-700 mb-2">Profile Photo Preview:</p>
                                                <img
                                                        src={previewProfilePhoto}
                                                        alt="Profile Preview"
                                                        className="w-20 h-20 object-cover rounded-full"
                                                />
                                        </div>
                                )}
                                <button
                                        type="submit"
                                        className="w-full bg-blue-500 text-white p-2 rounded hover:bg-blue-600 cursor-pointer"
                                        onClick={handleRegister}
                                >
                                        Register
                                </button>
                        </form>
                </div>
        );
};

export default Register;