{% extends 'base.html' %}
{% load static %}

{% block title %}Create Account{% endblock %}

{% block extra_css %}
<link rel="stylesheet" href="{% static 'css/agent-base.css' %}">
<style>
    /* Override main-container for full-width sections */
    .main-container {
        max-width: none;
        padding: 0;
    }
    
    /* Register page using agent-base.css */
    .register-page {
        background: var(--background);
        min-height: calc(100vh - 84px);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-lg);
    }
    
    .register-container {
        background: var(--surface);
        border-radius: var(--radius-lg);
        padding: 48px;
        box-shadow: var(--shadow-lg);
        width: 100%;
        max-width: 520px;
        border: 1px solid var(--outline);
    }
    
    .register-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .register-title {
        font-size: 28px;
        font-weight: 700;
        color: var(--on-surface);
        margin: 0 0 var(--spacing-sm) 0;
    }
    
    .register-subtitle {
        font-size: 16px;
        color: var(--on-surface-variant);
        margin: 0;
    }
    
    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .password-strength {
        margin-top: var(--spacing-sm);
        font-size: 12px;
        color: var(--on-surface-variant);
    }
    
    .strength-indicator {
        display: flex;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-xs);
    }
    
    .strength-bar {
        flex: 1;
        height: 3px;
        border-radius: 2px;
        background: var(--outline);
        transition: background-color var(--transition);
    }
    
    .strength-bar.weak { background-color: var(--on-surface-variant); }
    .strength-bar.medium { background-color: var(--on-surface); }
    .strength-bar.strong { background-color: var(--primary); }
    
    .help-text {
        font-size: 12px;
        color: var(--on-surface-variant);
        margin-top: var(--spacing-xs);
    }
    
    .register-btn {
        width: 100%;
        margin-bottom: 32px;
        margin-top: 8px;
    }
    
    .messages {
        margin-bottom: var(--spacing-lg);
    }
    
    .message {
        padding: var(--spacing-md);
        border-radius: var(--radius-sm);
        margin-bottom: var(--spacing-sm);
        font-size: 14px;
        font-weight: 500;
        border: 1px solid;
    }
    
    .message.success {
        background: var(--surface-variant);
        color: var(--on-surface);
        border-color: var(--outline);
    }
    
    .message.error {
        background: var(--surface-variant);
        color: var(--on-surface);
        border-color: var(--outline);
    }
    
    .register-auth-links {
        text-align: center;
        padding-top: 24px;
        border-top: 1px solid var(--outline);
    }
    
    .register-auth-links p {
        margin: var(--spacing-sm) 0;
        color: var(--on-surface-variant);
        font-size: 14px;
    }
    
    .register-auth-links a {
        color: var(--primary);
        text-decoration: none;
        font-weight: 600;
        transition: all var(--transition);
    }
    
    .register-auth-links a:hover {
        text-decoration: underline;
    }
    
    /* Responsive */
    @media (max-width: 640px) {
        .form-row {
            grid-template-columns: 1fr;
        }
    }
    
    @media (max-width: 480px) {
        .register-page {
            padding: var(--spacing-md);
        }
        
        .register-container {
            padding: 32px 24px;
        }
        
        .register-title {
            font-size: 24px;
        }
    }
</style>
{% endblock %}

{% block content %}
<div class="register-page theme-professional">
    <div class="register-container">
        <div class="register-header">
            <h1 class="register-title">Create Account</h1>
            <p class="register-subtitle">Join our platform to get started</p>
        </div>
        
        {% if messages %}
            <div class="messages">
                {% for message in messages %}
                    <div class="message {{ message.tags }}">{{ message }}</div>
                {% endfor %}
            </div>
        {% endif %}
        
        <form method="post" class="register-form" id="registerForm">
            {% csrf_token %}
            
            <div class="form-row">
                <div class="form-group">
                    <label for="username" class="form-label">Username</label>
                    <input 
                        type="text" 
                        id="username" 
                        name="username" 
                        class="form-input"
                        placeholder="Choose username"
                        required
                        autocomplete="username"
                    >
                    <div class="help-text">Your unique identifier</div>
                </div>
                
                <div class="form-group">
                    <label for="email" class="form-label">Email</label>
                    <input 
                        type="email" 
                        id="email" 
                        name="email" 
                        class="form-input"
                        placeholder="Enter your email"
                        required
                        autocomplete="email"
                    >
                    <div class="help-text">We'll use this for updates</div>
                </div>
            </div>
            
            <div class="form-group">
                <label for="password1" class="form-label">Password</label>
                <input 
                    type="password" 
                    id="password1" 
                    name="password1" 
                    class="form-input"
                    placeholder="Create password"
                    required
                    autocomplete="new-password"
                >
                <div class="password-strength">
                    <div>Password strength:</div>
                    <div class="strength-indicator">
                        <div class="strength-bar" id="strength-1"></div>
                        <div class="strength-bar" id="strength-2"></div>
                        <div class="strength-bar" id="strength-3"></div>
                        <div class="strength-bar" id="strength-4"></div>
                    </div>
                </div>
            </div>
            
            <div class="form-group">
                <label for="password2" class="form-label">Confirm Password</label>
                <input 
                    type="password" 
                    id="password2" 
                    name="password2" 
                    class="form-input"
                    placeholder="Confirm password"
                    required
                    autocomplete="new-password"
                >
                <div class="help-text" id="password-match"></div>
            </div>
            
            <button type="submit" class="btn btn-primary register-btn" id="registerBtn">
                Create Account
            </button>
        </form>
        
        <div class="register-auth-links">
            <p>Already have an account? <a href="{% url 'authentication:login' %}">Sign in</a></p>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    document.addEventListener('DOMContentLoaded', function() {
        const usernameField = document.getElementById('username');
        const password1Field = document.getElementById('password1');
        const password2Field = document.getElementById('password2');
        const registerForm = document.getElementById('registerForm');
        const registerBtn = document.getElementById('registerBtn');
        const passwordMatch = document.getElementById('password-match');
        
        // Focus on username field
        if (usernameField) {
            usernameField.focus();
        }
        
        // Password strength checker
        if (password1Field) {
            password1Field.addEventListener('input', function() {
                const password = this.value;
                const strength = calculatePasswordStrength(password);
                updateStrengthIndicator(strength);
            });
        }
        
        // Password confirmation checker
        if (password2Field) {
            password2Field.addEventListener('input', function() {
                const password1 = password1Field.value;
                const password2 = this.value;
                
                if (password2.length === 0) {
                    passwordMatch.textContent = '';
                    passwordMatch.style.color = '';
                } else if (password1 === password2) {
                    passwordMatch.textContent = '✅ Passwords match';
                    passwordMatch.style.color = 'var(--primary)';
                } else {
                    passwordMatch.textContent = '❌ Passwords do not match';
                    passwordMatch.style.color = 'var(--on-surface-variant)';
                }
            });
        }
        
        // Form submission
        if (registerForm && registerBtn) {
            registerForm.addEventListener('submit', function() {
                registerBtn.innerHTML = 'Creating account...';
                registerBtn.disabled = true;
            });
        }
        
        function calculatePasswordStrength(password) {
            let strength = 0;
            
            if (password.length >= 8) strength++;
            if (password.match(/[a-z]/)) strength++;
            if (password.match(/[A-Z]/)) strength++;
            if (password.match(/[0-9]/)) strength++;
            if (password.match(/[^a-zA-Z0-9]/)) strength++;
            
            return Math.min(strength, 4);
        }
        
        function updateStrengthIndicator(strength) {
            const bars = document.querySelectorAll('.strength-bar');
            
            bars.forEach((bar, index) => {
                bar.className = 'strength-bar';
                
                if (index < strength) {
                    if (strength <= 2) {
                        bar.classList.add('weak');
                    } else if (strength <= 3) {
                        bar.classList.add('medium');
                    } else {
                        bar.classList.add('strong');
                    }
                }
            });
        }
    });
</script>
{% endblock %}