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

{% block title %}Set New Password - Hospital Management System{% endblock %}

{% block css %}
<style>
.reset-confirm-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.reset-confirm-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
}

.reset-confirm-header {
    background: linear-gradient(135deg, #348ac7 0%, #7474bf 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.reset-confirm-body {
    padding: 2rem;
}

.btn-confirm {
    background: linear-gradient(135deg, #348ac7 0%, #7474bf 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 138, 199, 0.4);
}

.password-requirements {
    font-size: 0.875rem;
    color: #6c757d;
}

.requirement {
    display: flex;
    align-items: center;
    margin-bottom: 0.25rem;
}

.requirement.valid {
    color: #28a745;
}

.requirement.invalid {
    color: #dc3545;
}
</style>
{% endblock %}

{% block content %}
<div class="reset-confirm-container">
    <div class="reset-confirm-card">
        <div class="reset-confirm-header">
            <h3 class="mb-0">
                <i class="fas fa-hospital-alt me-2"></i>
                Hospital Management
            </h3>
            <p class="mb-0 mt-2 opacity-75">Set your new password</p>
        </div>
        
        <div class="reset-confirm-body">
            {% if validlink %}
                <div class="text-center mb-4">
                    <div class="text-success mb-3">
                        <i class="fas fa-shield-alt fa-3x"></i>
                    </div>
                    <h4 class="mb-3">Create New Password</h4>
                    <p class="text-muted">
                        Please enter your new password below. Make sure it's strong and secure.
                    </p>
                </div>

                {% if messages %}
                    {% for message in messages %}
                        <div class="alert alert-{{ message.tags }} alert-dismissible fade show" role="alert">
                            {{ message }}
                            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                        </div>
                    {% endfor %}
                {% endif %}

                {% if form.non_field_errors %}
                    <div class="alert alert-danger">
                        {{ form.non_field_errors }}
                    </div>
                {% endif %}

                <form method="post" novalidate>
                    {% csrf_token %}
                    
                    <div class="mb-3">
                        <label for="id_new_password1" class="form-label">New Password</label>
                        <div class="input-group">
                            <span class="input-group-text">
                                <i class="fas fa-lock"></i>
                            </span>
                            <input type="password" 
                                   class="form-control {% if form.new_password1.errors %}is-invalid{% endif %}" 
                                   id="id_new_password1" 
                                   name="new_password1" 
                                   placeholder="Enter your new password"
                                   required>
                            <button type="button" class="btn btn-outline-secondary" onclick="togglePassword('id_new_password1')">
                                <i class="fas fa-eye"></i>
                            </button>
                        </div>
                        {% if form.new_password1.errors %}
                            <div class="invalid-feedback d-block">
                                {{ form.new_password1.errors.0 }}
                            </div>
                        {% endif %}
                        
                        <!-- Password Requirements -->
                        <div class="password-requirements mt-2">
                            <small class="text-muted">Password requirements:</small>
                            <div id="password-requirements" class="mt-1">
                                <div class="requirement" id="req-length">
                                    <i class="fas fa-times me-2"></i>At least 8 characters
                                </div>
                                <div class="requirement" id="req-uppercase">
                                    <i class="fas fa-times me-2"></i>One uppercase letter
                                </div>
                                <div class="requirement" id="req-lowercase">
                                    <i class="fas fa-times me-2"></i>One lowercase letter
                                </div>
                                <div class="requirement" id="req-number">
                                    <i class="fas fa-times me-2"></i>One number
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="id_new_password2" class="form-label">Confirm New Password</label>
                        <div class="input-group">
                            <span class="input-group-text">
                                <i class="fas fa-lock"></i>
                            </span>
                            <input type="password" 
                                   class="form-control {% if form.new_password2.errors %}is-invalid{% endif %}" 
                                   id="id_new_password2" 
                                   name="new_password2" 
                                   placeholder="Confirm your new password"
                                   required>
                            <button type="button" class="btn btn-outline-secondary" onclick="togglePassword('id_new_password2')">
                                <i class="fas fa-eye"></i>
                            </button>
                        </div>
                        {% if form.new_password2.errors %}
                            <div class="invalid-feedback d-block">
                                {{ form.new_password2.errors.0 }}
                            </div>
                        {% endif %}
                        <div id="password-match" class="mt-1"></div>
                    </div>

                    <div class="alert alert-info">
                        <i class="fas fa-info-circle me-2"></i>
                        After setting your new password, you'll be redirected to the login page.
                    </div>

                    <div class="d-grid">
                        <button type="submit" class="btn btn-primary btn-confirm" id="confirmBtn" disabled>
                            <i class="fas fa-save me-2"></i>Set New Password
                        </button>
                    </div>
                </form>

            {% else %}
                <!-- Invalid or expired link -->
                <div class="text-center">
                    <div class="text-danger mb-3">
                        <i class="fas fa-exclamation-triangle fa-3x"></i>
                    </div>
                    <h4 class="mb-3 text-danger">Invalid Reset Link</h4>
                    <p class="text-muted mb-4">
                        This password reset link is invalid or has expired. 
                        Password reset links are only valid for 24 hours.
                    </p>

                    <div class="alert alert-warning">
                        <h6 class="alert-heading">
                            <i class="fas fa-clock me-2"></i>What happened?
                        </h6>
                        <ul class="mb-0 small">
                            <li>The link may have expired (links are valid for 24 hours)</li>
                            <li>The link may have already been used</li>
                            <li>The link may have been copied incorrectly</li>
                        </ul>
                    </div>

                    <div class="d-grid gap-2">
                        <a href="{% url 'accounts:password_reset' %}" class="btn btn-primary">
                            <i class="fas fa-redo me-2"></i>Request New Reset Link
                        </a>
                        <a href="{% url 'accounts:login' %}" class="btn btn-outline-secondary">
                            <i class="fas fa-arrow-left me-2"></i>Back to Login
                        </a>
                    </div>

                    <div class="text-center mt-3">
                        <small class="text-muted">
                            Need help? 
                            <a href="mailto:support@hospital.com" class="text-decoration-none">Contact Support</a>
                        </small>
                    </div>
                </div>
            {% endif %}
        </div>
    </div>
</div>

<script>
{% if validlink %}
document.addEventListener('DOMContentLoaded', function() {
    const password1 = document.getElementById('id_new_password1');
    const password2 = document.getElementById('id_new_password2');
    const confirmBtn = document.getElementById('confirmBtn');
    
    // Password validation
    function validatePassword() {
        const password = password1.value;
        const requirements = {
            'req-length': password.length >= 8,
            'req-uppercase': /[A-Z]/.test(password),
            'req-lowercase': /[a-z]/.test(password),
            'req-number': /\d/.test(password)
        };
        
        let allValid = true;
        Object.keys(requirements).forEach(req => {
            const element = document.getElementById(req);
            const icon = element.querySelector('i');
            
            if (requirements[req]) {
                element.classList.add('valid');
                element.classList.remove('invalid');
                icon.className = 'fas fa-check me-2';
            } else {
                element.classList.add('invalid');
                element.classList.remove('valid');
                icon.className = 'fas fa-times me-2';
                allValid = false;
            }
        });
        
        return allValid;
    }
    
    function checkPasswordMatch() {
        const matchDiv = document.getElementById('password-match');
        
        if (password2.value === '') {
            matchDiv.innerHTML = '';
            return false;
        }
        
        if (password1.value === password2.value) {
            matchDiv.innerHTML = '<small class="text-success"><i class="fas fa-check me-1"></i>Passwords match</small>';
            return true;
        } else {
            matchDiv.innerHTML = '<small class="text-danger"><i class="fas fa-times me-1"></i>Passwords do not match</small>';
            return false;
        }
    }
    
    function updateConfirmButton() {
        const passwordValid = validatePassword();
        const passwordsMatch = checkPasswordMatch();
        
        confirmBtn.disabled = !(passwordValid && passwordsMatch);
    }
    
    password1.addEventListener('input', function() {
        validatePassword();
        checkPasswordMatch();
        updateConfirmButton();
    });
    
    password2.addEventListener('input', function() {
        checkPasswordMatch();
        updateConfirmButton();
    });
    
    // Form submission
    const form = document.querySelector('form');
    form.addEventListener('submit', function() {
        confirmBtn.disabled = true;
        confirmBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-2"></i>Setting Password...';
    });
    
    // Focus on first password field
    password1.focus();
});

function togglePassword(inputId) {
    const input = document.getElementById(inputId);
    const button = input.nextElementSibling;
    const icon = button.querySelector('i');
    
    if (input.type === 'password') {
        input.type = 'text';
        icon.className = 'fas fa-eye-slash';
    } else {
        input.type = 'password';
        icon.className = 'fas fa-eye';
    }
}
{% endif %}
</script>
{% endblock %}