<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Expires" content="0" />
    <title>SOLVE Chemistry</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        .videoBackdrop{
          z-index: -1;
          position: fixed;
          right: 0;
          bottom: 0;
          min-width: 100%; 
          min-height: 100%;
          opacity:0.3;

        }

        :root {
            --primary: #1a0f42;
            --secondary: #3d1db6;
            --accent: #bcff0c;
            --light: #f8f9fa;
            --dark: #1a0f42;
            --success: #28a745;
            --error: #dc3545;
        }

        body {
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #1a0f42;
            position: relative;
            overflow: hidden;
        }

        /* Background gradient shapes for glassmorphism */
        .background-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }

        .bg-shape {
            position: absolute;
            border-radius: 50%;
        }

        .bg-shape:nth-child(1) {
            height: 200px;
            width: 200px;
            background: linear-gradient(#1845ad, #23a2f6);
            left: 20%;
            top: 15%;
            animation: float-bg 20s infinite ease-in-out;
        }

        .bg-shape:nth-child(2) {
            height: 250px;
            width: 250px;
            background: linear-gradient(to right, #ff512f, #f09819);
            right: 25%;
            bottom: 20%;
            animation: float-bg 25s infinite ease-in-out reverse;
        }

        .bg-shape:nth-child(3) {
            height: 180px;
            width: 180px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            top: 60%;
            left: 35%;
            animation: float-bg 30s infinite ease-in-out;
        }

        .bg-shape:nth-child(4) {
            height: 220px;
            width: 220px;
            background: linear-gradient(135deg, #bcff0c, #596d25);
            top: 25%;
            right: 15%;
            animation: float-bg 22s infinite ease-in-out reverse;
        }

        @keyframes float-bg {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }

        .particle {
            position: absolute;
            border-radius: 50%;
            background-color: rgba(71, 118, 230, 0.2);
            pointer-events: none;
            animation: float 15s infinite linear;
        }

        @keyframes float {
            0% {
                transform: translateY(0) rotate(0deg);
            }
            100% {
                transform: translateY(-100vh) rotate(360deg);
            }
        }

        .container {
            width: 100%;
            max-width: 850px;
            min-height: 550px;
            display: flex;
            border-radius: 20px;
            box-shadow: 0 25px 45px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            position: relative;
            z-index: 1;
            backdrop-filter: blur(15px);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .left-panel {
            flex: 1;
            background: linear-gradient(135deg, rgba(26, 15, 66, 0.7), rgba(61, 29, 182, 0.7));
            backdrop-filter: blur(10px);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            color: white;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .left-panel-content {
            position: relative;
            z-index: 2;
        }

.email-href {
  color: #66b3ff;
  text-decoration: underline; 
}

a {
  color: #bcff0c; 
  text-decoration: underline;
}

a:visited {
  color: #bcff0c; 
}

a:hover, .email-href:hover {
  color: #6691c7;
  text-decoration: none;
}

a:focus, .menu-item-unselected:focus, .chartButton:focus {
  outline: 3px solid #bcff0c;
  outline-offset: 3px;
}

        .circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .circle:nth-child(1) {
            width: 150px;
            height: 150px;
            top: -75px;
            left: -75px;
        }

        .circle:nth-child(2) {
            width: 200px;
            height: 200px;
            top: 50%;
            right: -100px;
        }

        .circle:nth-child(3) {
            width: 100px;
            height: 100px;
            bottom: 10%;
            left: 20%;
        }

        .app-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .app-slogan {
            color: var(--accent);
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .feature-list {
            margin-top: 2rem;
        }

        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }

        .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            margin-right: 1rem;
        }

        .feature-text {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        .login-panel {
            flex: 1;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(10px);
            border-left: 1px solid rgba(255, 255, 255, 0.1);
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-title {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
        }

        .login-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 200px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .login-subtitle {
            color: var(--dark);
            font-weight: 500;
            margin-bottom: 2rem;
        }

        .social-login {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .social-btn {
            flex: 1;
            padding: 0.75rem 1rem;
            border: none;
            border-radius: 8px;
            background-color: #f8f9fa;
            color: #495057;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }

        .social-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .social-btn.google:hover {
            background-color: #f8f9fa;
            color: #ea4335;
        }

        .social-btn.microsoft:hover {
            background-color: #f8f9fa;
            color: #0078d4;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 1.5rem 0;
            color: var(--dark);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .divider::before,
        .divider::after {
            content: "";
            flex: 1;
            height: 2px;
            background-color: rgba(44, 62, 80, 0.3);
            box-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
        }

        .divider::before {
            margin-right: 1rem;
        }

        .divider::after {
            margin-left: 1rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            transition: all 0.3s ease;
            background-color: #f8f9fa;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(71, 118, 230, 0.1);
            background-color: #fff;
        }

        .form-label {
            position: absolute;
            top: 0.75rem;
            left: 1rem;
            font-size: 1rem;
            color: #6c757d;
            transition: all 0.3s ease;
            pointer-events: none;
        }

        .form-control:focus + .form-label,
        .form-control:not(:placeholder-shown) + .form-label {
            top: -0.5rem;
            left: 0.8rem;
            font-size: 0.75rem;
            background-color: #fff;
            padding: 0 0.3rem;
            color: var(--primary);
        }

        .password-toggle {
            position: absolute;
            right: 1rem;
            top: 0.75rem;
            cursor: pointer;
            color: #6c757d;
            z-index: 10;
        }

        .form-check {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .check-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--dark);
            font-weight: 500;
            cursor: pointer;
        }

        .forgot-div {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: color 0.3s ease;
            cursor:pointer;
        }

        .forgot-div:hover {
            color: var(--secondary);
            text-decoration: underline;
        }

        .custom-checkbox {
            position: relative;
            width: 18px;
            height: 18px;
            border-radius: 4px;
            border: 2px solid #dee2e6;
            display: inline-block;
            vertical-align: middle;
            transition: all 0.3s ease;
            background-color: white;
        }

        .custom-checkbox::after {
            content: "";
            position: absolute;
            width: 10px;
            height: 10px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            transition: transform 0.2s ease;
        }

        #remember:checked + .check-label .custom-checkbox {
            border-color: var(--primary);
        }

        #remember:checked + .check-label .custom-checkbox::after {
            transform: translate(-50%, -50%) scale(1);
        }

        .visually-hidden {
            position: absolute !important;
            width: 1px !important;
            height: 1px !important;
            padding: 0 !important;
            margin: -1px !important;
            overflow: hidden !important;
            clip: rect(0, 0, 0, 0) !important;
            white-space: nowrap !important;
            border: 0 !important;
        }

        .btn-login {
            width: 100%;
            padding: 0.85rem;
            border: none;
            border-radius: 8px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-login:hover {
            box-shadow: 0 5px 15px rgba(71, 118, 230, 0.4);
        }

        .btn-login .ripple {
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            transform: scale(0);
            animation: ripple 0.6s linear;
        }

        @keyframes ripple {
            to {
                transform: scale(20);
                opacity: 0;
            }
        }

        .register-link {
            text-align: center;
            margin-top: 1.5rem;
            color: var(--dark);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .register-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .register-link a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }

        .error-message {
            color: var(--error);
            font-size: 0.9rem;
            margin-top: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            opacity: 0;
            transform: translateY(-10px);
            transition: all 0.3s ease;
        }

        .error-message.show {
            opacity: 1;
            transform: translateY(0);
        }

        .error-icon {
            width: 16px;
            height: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--error);
            color: white;
            font-size: 0.7rem;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .container {
                flex-direction: column;
                max-width: 95%;
            }

            .left-panel {
                padding: 2rem;
            }

            .login-panel {
                padding: 2rem;
            }
        }

        /* Success state animation */
        @keyframes checkmark {
            0% {
                stroke-dashoffset: 100;
            }
            100% {
                stroke-dashoffset: 0;
            }
        }

        .success-checkmark {
            display: none;
            margin: 0 auto;
        }

        .success-checkmark.show {
            display: block;
        }

        .success-checkmark .check-icon {
            width: 80px;
            height: 80px;
            position: relative;
            border-radius: 50%;
            box-sizing: content-box;
            border: 4px solid var(--success);
            margin-left:50px;
        }

        .success-checkmark .check-icon::before {
            top: 3px;
            left: -2px;
            width: 30px;
            transform-origin: 100% 50%;
            border-radius: 100px 0 0 100px;
        }

        .success-checkmark .check-icon::after {
            top: 0;
            left: 30px;
            width: 60px;
            transform-origin: 0 50%;
            border-radius: 0 100px 100px 0;
            animation: rotate-circle 4.25s ease-in;
        }

        .success-checkmark .check-icon::before, .success-checkmark .check-icon::after {
            content: '';
            height: 100px;
            position: absolute;
            transform: rotate(-45deg);
        }

        .success-checkmark .check-icon .icon-line {
            height: 5px;
            background-color: var(--success);
            display: block;
            border-radius: 2px;
            position: absolute;
            z-index: 10;
        }

        .success-checkmark .check-icon .icon-line.line-tip {
            top: 46px;
            left: 14px;
            width: 25px;
            transform: rotate(45deg);
            animation: icon-line-tip 0.75s;
        }

        .success-checkmark .check-icon .icon-line.line-long {
            top: 38px;
            right: 8px;
            width: 47px;
            transform: rotate(-45deg);
            animation: icon-line-long 0.75s;
        }

        @keyframes icon-line-tip {
            0% {
                width: 0;
                left: 1px;
                top: 19px;
            }
            54% {
                width: 0;
                left: 1px;
                top: 19px;
            }
            70% {
                width: 50px;
                left: -8px;
                top: 37px;
            }
            84% {
                width: 17px;
                left: 21px;
                top: 48px;
            }
            100% {
                width: 25px;
                left: 14px;
                top: 46px;
            }
        }

        @keyframes icon-line-long {
            0% {
                width: 0;
                right: 46px;
                top: 54px;
            }
            65% {
                width: 0;
                right: 46px;
                top: 54px;
            }
            84% {
                width: 55px;
                right: 0px;
                top: 35px;
            }
            100% {
                width: 47px;
                right: 8px;
                top: 38px;
            }
        }
    </style>
</head>
<body>
<video autoplay muted loop id="myVideo" class="videoBackdrop" >
  <source src="/images/wave_amination_for_backdrop.mp4" type="video/mp4" />
</video>
    <!-- Background shapes for glassmorphism -->

    
    <div class="container">
        <div class="left-panel">

            
            <div class="left-panel-content">
                <div>
                    <h1 class="app-title">SOLVEChemistry.app</h1>
                    <p class="app-slogan">Enabling More Efficient Chemical Processes</p>
                </div>
                
                <div class="feature-list">
                    <div class="feature-item">
                        <div class="feature-icon">
                            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"></path>
                            </svg>
                        </div>
                        <div class="feature-text">Connection Encrypted</div>
                    </div>
                    <div class="feature-item">
                        <div class="feature-icon">
                            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <circle cx="12" cy="12" r="10"></circle>
                                <line x1="12" y1="8" x2="12" y2="12"></line>
                                <line x1="12" y1="16" x2="12.01" y2="16"></line>
                            </svg>
                        </div>
                        <div class="feature-text">Please break me!</div>
                    </div>
                    <div class="feature-item">
                        <div class="feature-icon">
                            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"></path>
                                <polyline points="22 4 12 14.01 9 11.01"></polyline>
                            </svg>
                        </div>
                        <div class="feature-text">Please <a className="email-href" href="mailto:support@solvechemistry.com">contact us</a> for queries and support.</div>
                    </div>
                </div>
            </div>
            
            <div>
                <p style="opacity: 0.6; font-size: 0.9rem;">© 2026 SOLVE Chemistry Ltd. All rights reserved.</p>
            </div>
        </div>
        
        <div class="login-panel">
            <div id="login-form">
                <h2 class="login-title" id="login-title">Welcome back</h2>
                <p class="login-subtitle">Login to access your app</p>
                

                
                <div class="divider" id="divider-div">Enter your username or email</div>
                
                <form id="form">
                    <div class="form-group">
                        <input type="email" class="form-control" id="email" placeholder="Email" hidden>
                        <input type="text" class="form-control" id="username" placeholder="Username" required>

                    </div>
                    
                    <div class="form-group">
                        <input type="password" class="form-control" id="password" placeholder="Password" required>

                        <span class="password-toggle" id="password-toggle">
                            <svg id="show-password" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path>
                                <circle cx="12" cy="12" r="3"></circle>
                            </svg>
                            <svg id="hide-password" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display: none;">
                                <path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path>
                                <line x1="1" y1="1" x2="23" y2="23"></line>
                            </svg>
                        </span>
                        <input type="password" class="form-control" id="new-password1" placeholder="Enter new password" hidden>
                        <input type="password" class="form-control" id="new-password2" placeholder="Re-enter password" hidden style="margin-top:20px;">
                    </div>
                    <div class="form-group">
                        <input type="text" class="form-control" id="email-code" placeholder="Email code" hidden>

                    </div>
                    
                    <div class="form-check">
                        <div>
                            <input type="checkbox" id="remember" class="visually-hidden">
                            <label for="remember" class="check-label">
                                <span class="custom-checkbox"></span>
                                Remember me
                            </label>
                        </div>
                        <div class="forgot-div" onclick="forgottenPassword()">Forgot password?</div>
                    </div>
                    
                    <button type="submit" class="btn-login" id="login-btn">
                        Sign in to continue
                    </button>
                    
                </form>
                
                
                
            </div>
            
            <div class="success-checkmark" id="success-animation">
                <div class="check-icon">
                    <span class="icon-line line-tip"></span>
                    <span class="icon-line line-long"></span>
                </div>
                <p style="text-align: center; margin-top: 1rem; color: var(--success); font-weight: 600;">Login successful!</p>
                <p style="text-align: center; color: #6c757d; margin-top: 0.5rem; font-size: 0.9rem;">Redirecting you to your app...</p>
            </div>
            <div class="login-failure-message" id="login-failure-message" style="display:none">
              <p style="text-align: center; margin-top: 1rem; color: var(--error); font-weight: 600;">Login failed!</p>
            </div>
            <div class="login-failure-message" id="passwords-matching-failure-message" style="display:none">
              <p style="text-align: center; margin-top: 1rem; color: var(--error); font-weight: 600;">Passwords do not match!</p>
            </div>
            <div class="login-failure-message" id="generic-failure-message" style="display:none">
              <p style="text-align: center; margin-top: 1rem; color: var(--error); font-weight: 600;">Error</p>
            </div>
        </div>
    </div>

    <script>

        let FormMode = "login"
        // Password toggle functionality
        const passwordToggle = document.getElementById('password-toggle')
        const newPasswordToggle = document.getElementById('new-password-toggle')
        const passwordInput = document.getElementById('password')
        const usernameInput = document.getElementById("username")
        const rememberMeInput = document.getElementById("remember")
        const showPasswordIcon = document.getElementById('show-password')
        const hidePasswordIcon = document.getElementById('hide-password')

        
        passwordToggle.addEventListener('click', function() {
            if (passwordInput.type === 'password') {
                passwordInput.type = 'text'
                document.getElementById("new-password1").type = "text"
                document.getElementById("new-password2").type = "text"                
                showPasswordIcon.style.display = 'none';
                hidePasswordIcon.style.display = 'block';
            } else {
                passwordInput.type = 'password';
                document.getElementById("new-password1").type = "password"
                document.getElementById("new-password2").type = "password"     
                showPasswordIcon.style.display = 'block';
                hidePasswordIcon.style.display = 'none';
            }
        })


        
        // Form validation
        const form = document.getElementById('form');
        const loginBtn = document.getElementById('login-btn');
        const emailError = document.getElementById('email-error');
        const passwordError = document.getElementById('password-error');
        const loginForm = document.getElementById('login-form');
        const successAnimation = document.getElementById('success-animation');
        

        

        
        // Button ripple effect
        loginBtn.addEventListener('click', function(e) {
            const x = e.clientX - e.target.getBoundingClientRect().left;
            const y = e.clientY - e.target.getBoundingClientRect().top;
            
            const ripple = document.createElement('span');
            ripple.classList.add('ripple');
            ripple.style.left = `${x}px`;
            ripple.style.top = `${y}px`;
            
            this.appendChild(ripple);
            
            setTimeout(() => {
                ripple.remove();
            }, 100);
        });
        
        // Form submission
        form.addEventListener('submit', async function(e) {
            e.preventDefault()
            loginBtn.disabled = true
            buttonLoading(1)

            if (FormMode === "newPassword") {
              tryToChangePassword()
              return
            }
            if (FormMode === "forgot-enterEmail") {
              tryToSubmitEmail()
              return
            }
            if (FormMode === "forgot-enterNewPassword") {
              tryToEnterNewPasswordAfterReset()
              return
            }

            const response = await fetch("/auth/login",{ method: "POST",  body: JSON.stringify({"username" : usernameInput.value, "password" : passwordInput.value, "remember_me" : rememberMeInput.checked })})
            

            let loginStatus
            if (await response.status === 200) {
              const response_json = await response.json()
              loginStatus = response_json?.status
            }
            if (loginStatus === "success" ) {
              loginForm.style.display = 'none'
              document.getElementById("success-animation").style.display = "block"
              setTimeout(() => {window.location.href = "/visualiser"}, 1500)
            } else if (loginStatus === "new_password_required" ) {
              FormMode = "newPassword"
              document.getElementById("login-title").innerText = "Welcome " + document.getElementById("username").value
              document.getElementById("divider-div").innerText = "Please enter a new password twice"
              usernameInput.hidden = true
              passwordInput.hidden = true
              document.getElementById("new-password1").hidden = false
              document.getElementById("new-password2").hidden = false
              document.getElementById("new-password1").required = true
              document.getElementById("new-password2").required = true

              loginBtn.innerText = "Submit new password"
              loginBtn.disabled = false
              
            
            } else {
              loginForm.style.display = "none"
              document.getElementById("login-failure-message").style.display = "block"
              setTimeout(() => {
                document.getElementById("login-failure-message").style.display = "none"
                loginForm.style.display = 'block'
                loginBtn.disabled = false
                loginBtn.innerText = "Sign in to continue"
              }, 1500)
            
            }

        })
        
        async function tryToChangePassword() {
          const password1 = document.getElementById("new-password1")
          const password2 = document.getElementById("new-password2")
          if (password1.value !== password2.value) {
              loginForm.style.display = "none"
              document.getElementById("passwords-matching-failure-message").style.display = "block"
              setTimeout(() => {
                document.getElementById("passwords-matching-failure-message").style.display = "none"
                loginForm.style.display = 'block'
                loginBtn.disabled = false
                loginBtn.innerText = "Submit new password"
              }, 3000)
              return
          }
          const response = await fetch("/auth/change_password_required",{ method: "POST",  body: JSON.stringify({"username" : usernameInput.value, "old_password" : document.getElementById("password").value , "new_password" : password1.value})})  
          const response_json = await response.json()
          const changePasswordStatus = response_json?.status
          if (changePasswordStatus === "success") {
            loginForm.style.display = 'none'
            document.getElementById("success-animation").style.display = "block"
            setTimeout(() => {window.location.href = "/visualiser"}, 1500)
            return
          }
          if (!changePasswordStatus) {changePasswordStatus = "Error"}
          const errorMessage = document.getElementById("generic-failure-message")
          errorMessage.innerHTML = (response_json.message && response_json.message !== "") ? response_json.message : changePasswordStatus
          errorMessage.style.setProperty("color", "var(--error)")
          loginForm.style.display = "none"
          errorMessage.style.display = "block"
          setTimeout(() => {
            errorMessage.style.display = "none"
            loginForm.style.display = 'block'
            loginBtn.disabled = false
            loginBtn.innerText = "Submit new password"
          }, 3000)       


        }
        
        async function buttonLoading(iterations) {
          const loginBtn = document.getElementById('login-btn')
          if (loginBtn.disabled === false) {
            return
          }
          if (loginBtn.innerText.length > 5) {
            loginBtn.innerText = "."
          } else {
            loginBtn.innerText += "."          
          }
          if (loginBtn.disabled === true && iterations < 100) {
            setTimeout(() => {buttonLoading(iterations + 1)}, 300)
          } else {
            loginBtn.disabled = false
          }
        }
        
        function forgottenPassword() {
          FormMode = "forgot-enterEmail"
          const loginBtn = document.getElementById('login-btn')
          loginBtn.innerText = "Submit email"
          document.getElementById("divider-div").innerText = "Please enter your email"
          document.getElementById('username').hidden = true
          document.getElementById('password').hidden = true
          document.getElementById('new-password1').hidden = true
          document.getElementById('new-password2').hidden = true

          document.getElementById('email').hidden = false
          showPasswordIcon.style.display = 'none'
          hidePasswordIcon.style.display = 'none'
          
        }
        async function tryToSubmitEmail() {
            await fetch("/auth/reset_password", { method: "POST",  body: JSON.stringify({"email" : document.getElementById("email").value})})

            
            document.getElementById('login-btn').disabled = false
            document.getElementById('login-btn').innerText = "Set a new password"
            document.getElementById("login-title").innerText = "Welcome back"
            if (document.getElementById("username").value === "") {
              document.getElementById("username").value = document.getElementById("email").value
            }
            

            document.getElementById("divider-div").innerText = "Enter the code we emailed you and a new password (if you have not received an email please check your spam folder)"
            if (document.getElementById("password").type === 'password') {        
                document.getElementById('show-password').style.display = 'none'
                document.getElementById('hide-password').style.display = 'block'
            } else {
                document.getElementById('show-password').style.display = 'block'
                document.getElementById('hide-password').style.display = 'none'          
            }
            document.getElementById("email").hidden = true
            document.getElementById("username").hidden = true
            document.getElementById("password").hidden = true
            document.getElementById("new-password1").hidden = false
            document.getElementById("new-password2").hidden = false
            document.getElementById("email-code").hidden = false
            document.getElementById("new-password1").required = true
            document.getElementById("new-password2").required = true
            document.getElementById("email-code").required = true

            
            FormMode = "forgot-enterNewPassword"
       
        }

        
        async function tryToEnterNewPasswordAfterReset() {
          const oldText = loginBtn.innerText
          if (document.getElementById("new-password1").value !== document.getElementById("new-password2").value) {
              loginForm.style.display = "none"
              document.getElementById("passwords-matching-failure-message").style.display = "block"
              setTimeout(() => {
                document.getElementById("passwords-matching-failure-message").style.display = "none"
                loginForm.style.display = 'block'
                loginBtn.disabled = false
                loginBtn.innerText = oldText
              }, 3000)
              return
          }
          const response = await fetch("/auth/finish_reset_password",{ method: "POST",  body: JSON.stringify({"email" : document.getElementById("email").value, "reset_code" : document.getElementById("email-code").value , "new_password" : document.getElementById("new-password1").value})})
          const response_json = await response.json()
          
          const changePasswordStatus = response_json?.status
          if (changePasswordStatus === "success") {
            FormMode = "login"
            loginForm.style.display = 'none'
            document.getElementById("success-animation").style.display = "block"
            setTimeout(() => {window.location.href = "/visualiser"}, 1500)
            return
          }
          if (!changePasswordStatus) {changePasswordStatus = "Error"}
          const errorMessage = document.getElementById("generic-failure-message")
          errorMessage.innerHTML = (response_json.message && response_json.message !== "") ? response_json.message : changePasswordStatus      
          errorMessage.style.setProperty("color", "var(--error)")
          loginForm.style.display = "none"
          errorMessage.style.display = "block"
          setTimeout(() => {
            errorMessage.style.display = "none"
            loginForm.style.display = 'block'
            loginBtn.disabled = false
            loginBtn.innerText = "Submit new password"
          }, 3000)           
          
        }
        
    </script>
</body>
</html>