{% extends "base.html" %}

{% block title %}Codingo - Sign Up{% endblock %}

{% block content %}
<section class="content-section">
    <div class="container">
        <div class="card" style="max-width: 500px; margin: 2rem auto;">
            <div class="card-header">
                <h2 style="text-align: center; margin: 0; color: white;">Sign Up for Codingo</h2>
            </div>
            <div class="card-body">
                <form method="POST" class="auth-form">
                    {{ form.hidden_tag() }}
                    
                    <div class="form-group">
                        {{ form.username.label(class="form-label") }}
                        {{ form.username(class="form-control", placeholder="Choose a username") }}
                        {% if form.username.errors %}
                            <div class="alert alert-danger">
                                {% for error in form.username.errors %}
                                    <span>{{ error }}</span>
                                {% endfor %}
                            </div>
                        {% endif %}
                    </div>
                    
                    <div class="form-group">
                        {{ form.email.label(class="form-label") }}
                        {{ form.email(class="form-control", placeholder="Enter your email") }}
                        {% if form.email.errors %}
                            <div class="alert alert-danger">
                                {% for error in form.email.errors %}
                                    <span>{{ error }}</span>
                                {% endfor %}
                            </div>
                        {% endif %}
                    </div>
                    
                    <div class="form-group">
                        {{ form.password.label(class="form-label") }}
                        {{ form.password(class="form-control", placeholder="Create a password") }}
                        {% if form.password.errors %}
                            <div class="alert alert-danger">
                                {% for error in form.password.errors %}
                                    <span>{{ error }}</span>
                                {% endfor %}
                            </div>
                        {% endif %}
                        <div class="password-strength">
                            <div class="password-strength-bar" id="password-strength-bar"></div>
                        </div>
                    </div>
                    
                    <div class="form-group">
                        {{ form.confirm_password.label(class="form-label") }}
                        {{ form.confirm_password(class="form-control", placeholder="Confirm your password") }}
                        {% if form.confirm_password.errors %}
                            <div class="alert alert-danger">
                                {% for error in form.confirm_password.errors %}
                                    <span>{{ error }}</span>
                                {% endfor %}
                            </div>
                        {% endif %}
                    </div>
                    
                    <div class="form-group">
                        {{ form.role.label(class="form-label") }}
                        {{ form.role(class="form-control") }}
                        {% if form.role.errors %}
                            <div class="alert alert-danger">
                                {% for error in form.role.errors %}
                                    <span>{{ error }}</span>
                                {% endfor %}
                            </div>
                        {% endif %}
                    </div>
                    
                    <div class="form-group" style="margin-top: 2rem;">
                        {{ form.submit(class="btn btn-primary", style="width: 100%;") }}
                    </div>
                </form>
                
                <div style="text-align: center; margin-top: 1.5rem;">
                    <p>Already have an account? <a href="{{ url_for('auth.login') }}" style="color: var(--primary); font-weight: 500;">Login here</a>.</p>
                </div>
            </div>
        </div>
    </div>
</section>

<style>
    .auth-form .form-label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
        color: var(--dark);
    }
    
    .auth-form .form-control {
        width: 100%;
        padding: 0.75rem;
        border: 1px solid #ddd;
        border-radius: 5px;
        font-size: 1rem;
        transition: all 0.3s ease;
    }
    
    .auth-form .form-control:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    }
    
    .auth-form .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: white;
        padding: 0.75rem;
        border: none;
        border-radius: 5px;
        font-size: 1rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        z-index: 1;
    }
    
    .auth-form .btn-primary::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 0%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
        z-index: -1;
    }
    
    .auth-form .btn-primary:hover::before {
        width: 100%;
    }
    
    .auth-form .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    
    .alert-danger {
        color: var(--danger);
        background-color: rgba(231, 76, 60, 0.1);
        border: 1px solid var(--danger);
        border-radius: 5px;
        padding: 0.5rem;
        margin-top: 0.5rem;
        font-size: 0.9rem;
    }
    
    .password-strength {
        height: 5px;
        width: 100%;
        background-color: #eee;
        margin-top: 5px;
        border-radius: 3px;
        overflow: hidden;
    }
    
    .password-strength-bar {
        height: 100%;
        width: 0;
        border-radius: 3px;
        transition: width 0.3s, background-color 0.3s;
    }
</style>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const passwordInput = document.querySelector('input[name="password"]');
    const strengthBar = document.getElementById('password-strength-bar');
    
    if (passwordInput && strengthBar) {
        passwordInput.addEventListener('input', function() {
            const password = this.value;
            const strength = checkPasswordStrength(password);
            
            strengthBar.style.width = `${strength.percentage}%`;
            strengthBar.style.backgroundColor = strength.color;
        });
    }
    
    function checkPasswordStrength(password) {
        const requirements = {
            length: password.length >= 8,
            uppercase: /[A-Z]/.test(password),
            lowercase: /[a-z]/.test(password),
            number: /\d/.test(password),
            special: /[^A-Za-z0-9]/.test(password)
        };
        
        const strength = Object.values(requirements).filter(Boolean).length;
        const percentage = (strength / 5) * 100;
        
        return {
            valid: Object.values(requirements).every(Boolean),
            percentage,
            color: strength < 2 ? '#e74c3c' : strength < 4 ? '#f39c12' : '#27ae60'
        };
    }
});
</script>
{% endblock %}