{% extends "base.html" %}

{% block title %}Single Payment - Plutus{% endblock %}

{% block content %}
<nav class="breadcrumb" aria-label="breadcrumbs">
    <ul>
        <li><a href="{{ url_for('main.index') }}">Dashboard</a></li>
        <li class="is-active"><a href="#" aria-current="page">Single Payment</a></li>
    </ul>
</nav>

<div class="level">
    <div class="level-left">
        <div>
            <h1 class="title">Single Payment Processing</h1>
            <p class="subtitle">Process individual customer payments through Stripe</p>
        </div>
    </div>
</div>

<!-- Single Payment Form -->
<div class="box">
    <!-- Step 1: Enter Splynx ID -->
    <div id="step1" class="payment-step">
        <h2 class="title is-4">
            <span class="icon"><i class="fas fa-search"></i></span>
            Customer Lookup
        </h2>
        
        <div class="field">
            <label class="label" for="lookup_splynx_id">Splynx Customer ID</label>
            <div class="control">
                <input class="input" type="number" id="lookup_splynx_id" placeholder="Enter customer ID" required>
            </div>
            <p class="help">Enter the Splynx customer ID to fetch customer details</p>
        </div>
        
        <!-- Loading State -->
        <div id="loading" class="has-text-centered py-5 is-hidden">
            <div class="spinner"></div>
            <p class="mt-3">Fetching customer details...</p>
        </div>
        
        <!-- Error State -->
        <div id="customerError" class="notification is-danger is-hidden">
            <span class="icon"><i class="fas fa-exclamation-triangle"></i></span>
            <span id="errorMessage">Customer not found or error occurred</span>
        </div>
        
        <div class="field is-grouped">
            <div class="control">
                <button class="button is-primary" id="nextBtn" onclick="fetchCustomerDetails()">
                    <span class="icon"><i class="fas fa-arrow-right"></i></span>
                    <span>Next</span>
                </button>
            </div>
        </div>
    </div>

    <!-- Step 2: Confirm Customer & Enter Amount -->
    <div id="step2" class="payment-step is-hidden">
        <h2 class="title is-4">
            <span class="icon"><i class="fas fa-user-check"></i></span>
            Confirm Customer & Payment Details
        </h2>
        
        <div class="box has-background-light mb-5">
            <h3 class="subtitle is-5">Customer Information</h3>
            <div id="customerDetails">
                <!-- Customer details will be populated here -->
            </div>
        </div>
        
        <form id="paymentForm">
            <input type="hidden" id="confirmed_splynx_id" name="splynx_id">
            
            <div class="field">
                <label class="label" for="payment_amount">Payment Amount (AUD)</label>
                <div class="control has-icons-left">
                    <input class="input is-large" type="number" step="0.01" min="0.01" max="10000" 
                           id="payment_amount" name="amount" placeholder="0.00" required>
                    <span class="icon is-small is-left">
                        <i class="fas fa-dollar-sign"></i>
                    </span>
                </div>
                <p class="help">Enter the amount to charge (maximum $10,000)</p>
            </div>
            
            <div class="notification is-info is-light">
                <span class="icon"><i class="fas fa-info-circle"></i></span>
                This payment will be processed immediately using the customer's default Stripe payment method.
            </div>
        </form>
        
        <div class="field is-grouped">
            <div class="control">
                <button class="button is-light" id="backBtn" onclick="goBackToStep1()">
                    <span class="icon"><i class="fas fa-arrow-left"></i></span>
                    <span>Back</span>
                </button>
            </div>
            <div class="control">
                <button class="button is-warning" id="processBtn" onclick="showConfirmationModal()">
                    <span class="icon"><i class="fas fa-credit-card"></i></span>
                    <span>Process Payment</span>
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Payment Confirmation Modal -->
<div class="modal" id="confirmationModal">
    <div class="modal-background" onclick="hideModal('confirmationModal')"></div>
    <div class="modal-card">
        <header class="modal-card-head has-background-warning">
            <p class="modal-card-title">
                <span class="icon"><i class="fas fa-exclamation-triangle"></i></span>
                Confirm Payment Processing
            </p>
            <button class="delete" aria-label="close" onclick="hideModal('confirmationModal')"></button>
        </header>
        <section class="modal-card-body">
            <div class="content">
                <p class="is-size-5 has-text-weight-semibold">Are you sure you want to process this payment?</p>
                
                <div class="box has-background-light">
                    <div class="columns">
                        <div class="column is-half">
                            <strong>Customer:</strong><br>
                            <span id="confirmCustomerName">-</span>
                        </div>
                        <div class="column is-half">
                            <strong>Amount:</strong><br>
                            <span id="confirmAmount" class="has-text-weight-bold is-size-4">$0.00</span>
                        </div>
                    </div>
                </div>
                
                <div class="notification is-warning is-light">
                    <span class="icon"><i class="fas fa-exclamation-triangle"></i></span>
                    <strong>Warning:</strong> This action cannot be undone. The payment will be charged immediately.
                </div>
            </div>
        </section>
        <footer class="modal-card-foot">
            <button class="button is-danger" id="confirmPaymentBtn" onclick="processPayment()">
                <span class="icon"><i class="fas fa-credit-card"></i></span>
                <span>Confirm & Process Payment</span>
            </button>
            <button class="button" onclick="hideModal('confirmationModal')">Cancel</button>
        </footer>
    </div>
</div>

<!-- Success Modal -->
<div class="modal" id="successModal">
    <div class="modal-background"></div>
    <div class="modal-card">
        <header class="modal-card-head has-background-success">
            <p class="modal-card-title has-text-white">
                <span class="icon"><i class="fas fa-check-circle"></i></span>
                Payment Successful
            </p>
        </header>
        <section class="modal-card-body">
            <div class="has-text-centered py-4">
                <span class="icon is-large has-text-success mb-4">
                    <i class="fas fa-check-circle fa-3x"></i>
                </span>
                <h3 class="title is-4">Payment Processed Successfully!</h3>
                <div id="successMessage" class="content">
                    <!-- Success details will be populated here -->
                </div>
            </div>
        </section>
        <footer class="modal-card-foot is-justify-content-center">
            <button class="button is-primary" onclick="closeSuccessModal()">
                <span class="icon"><i class="fas fa-check"></i></span>
                <span>Close</span>
            </button>
        </footer>
    </div>
</div>

<!-- Fee Update Modal (Orange) -->
<div class="modal" id="feeUpdateModal">
    <div class="modal-background"></div>
    <div class="modal-card">
        <header class="modal-card-head has-background-warning">
            <p class="modal-card-title has-text-dark">
                <span class="icon"><i class="fas fa-clock"></i></span>
                Direct Debit Processing
            </p>
        </header>
        <section class="modal-card-body">
            <div class="has-text-centered py-4">
                <span class="icon is-large has-text-warning mb-4">
                    <i class="fas fa-clock fa-3x"></i>
                </span>
                <h3 class="title is-4">Direct Debit is still being processed</h3>
                <div class="content">
                    <p>Your Direct Debit payment is currently being processed by the bank. This can take a few minutes to complete.</p>
                    <p><strong>Please check back later or click the button below to view payment details.</strong></p>
                </div>
            </div>
        </section>
        <footer class="modal-card-foot is-justify-content-center">
            <button class="button is-warning" id="viewPaymentDetailsBtn" onclick="viewPaymentDetails()">
                <span class="icon"><i class="fas fa-eye"></i></span>
                <span>View Payment Details</span>
            </button>
        </footer>
    </div>
</div>

<!-- Error Modal -->
<div class="modal" id="errorModal">
    <div class="modal-background" onclick="hideModal('errorModal')"></div>
    <div class="modal-card">
        <header class="modal-card-head has-background-danger">
            <p class="modal-card-title has-text-white">
                <span class="icon"><i class="fas fa-exclamation-circle"></i></span>
                Payment Failed
            </p>
            <button class="delete" aria-label="close" onclick="hideModal('errorModal')"></button>
        </header>
        <section class="modal-card-body">
            <div class="has-text-centered py-4">
                <span class="icon is-large has-text-danger mb-4">
                    <i class="fas fa-exclamation-circle fa-3x"></i>
                </span>
                <h3 class="title is-4">Payment Processing Failed</h3>
                <div id="errorDetails" class="content">
                    <!-- Error details will be populated here -->
                </div>
            </div>
        </section>
        <footer class="modal-card-foot is-justify-content-center">
            <button class="button is-danger" onclick="hideModal('errorModal')">
                <span class="icon"><i class="fas fa-times"></i></span>
                <span>Close</span>
            </button>
        </footer>
    </div>
</div>

<style>
/* Loading spinner */
.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    border-top-color: var(--plutus-gold);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Step transitions */
.payment-step {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.payment-step.is-hidden {
    display: none;
}

/* Enhanced form styling */
.input.is-large {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Modal enhancements */
.modal-card-head.has-background-warning {
    color: var(--plutus-charcoal);
}

.modal-card-head.has-background-success {
    color: white;
}

.modal-card-head.has-background-danger {
    color: white;
}
</style>

<script>
let currentCustomerData = null;
let currentPaymentId = null;

function fetchCustomerDetails() {
    const splynxIdElement = document.getElementById('lookup_splynx_id');
    const splynxId = splynxIdElement ? splynxIdElement.value : '';
    
    // Clear previous errors
    document.getElementById('customerError').classList.add('is-hidden');
    
    if (!splynxId || splynxId.trim() === '' || splynxId.trim() === '0') {
        showError('Please enter a valid Splynx Customer ID');
        return;
    }
    
    // Show loading state
    document.getElementById('loading').classList.remove('is-hidden');
    document.getElementById('nextBtn').disabled = true;
    
    const apiUrl = `/api/splynx/${splynxId.trim()}`;
    
    // Make API call
    fetch(apiUrl)
        .then(response => {
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            return response.json();
        })
        .then(data => {
            // Hide loading
            document.getElementById('loading').classList.add('is-hidden');
            document.getElementById('nextBtn').disabled = false;
            
            if (data && data.id) {
                currentCustomerData = data;
                displayCustomerDetails(data);
                goToStep2();
            } else {
                showError('Customer not found or invalid data received');
            }
        })
        .catch(error => {
            console.error('Error fetching customer:', error);
            document.getElementById('loading').classList.add('is-hidden');
            document.getElementById('nextBtn').disabled = false;
            showError(`Failed to fetch customer details: ${error.message}`);
        });
}

function displayCustomerDetails(customer) {
    const detailsHtml = `
        <div class="columns is-multiline">
            <div class="column is-half">
                <strong>Name:</strong><br>
                <span>${customer.name || 'N/A'}</span>
            </div>
            <div class="column is-half">
                <strong>Customer ID:</strong><br>
                <span class="tag is-info">${customer.id}</span>
            </div>
            <div class="column is-half">
                <strong>Status:</strong><br>
                ${customer.status === 'active' 
                    ? '<span class="tag is-success">Active</span>' 
                    : `<span class="tag is-warning">${customer.status || 'Unknown'}</span>`
                }
            </div>
            <div class="column is-half">
                <strong>Email:</strong><br>
                <span>${customer.email || 'N/A'}</span>
            </div>
            <div class="column is-full">
                <strong>Address:</strong><br>
                <span>${customer.street_1 || ''} ${customer.street_2 || ''}<br>
                ${customer.city || ''} ${customer.zip_code || ''}</span>
            </div>
            <div class="column is-half">
                <strong>Phone:</strong><br>
                <span>${customer.phone || 'N/A'}</span>
            </div>
        </div>
    `;
    
    document.getElementById('customerDetails').innerHTML = detailsHtml;
    document.getElementById('confirmed_splynx_id').value = customer.id;
}

function showError(message) {
    document.getElementById('errorMessage').textContent = message;
    document.getElementById('customerError').classList.remove('is-hidden');
}

function goToStep2() {
    // Hide step 1, show step 2
    document.getElementById('step1').classList.add('is-hidden');
    document.getElementById('step2').classList.remove('is-hidden');
    
    // Focus on amount input
    document.getElementById('payment_amount').focus();
}

function goBackToStep1() {
    // Show step 1, hide step 2
    document.getElementById('step1').classList.remove('is-hidden');
    document.getElementById('step2').classList.add('is-hidden');
    
    // Clear any errors
    document.getElementById('customerError').classList.add('is-hidden');
    
    // Clear form
    document.getElementById('payment_amount').value = '';
}

function showConfirmationModal() {
    const amount = document.getElementById('payment_amount').value;
    
    if (!amount || parseFloat(amount) <= 0) {
        alert('Please enter a valid payment amount');
        return;
    }
    
    if (!currentCustomerData) {
        alert('Customer data not found. Please restart the process.');
        return;
    }
    
    // Update confirmation modal content
    document.getElementById('confirmCustomerName').textContent = currentCustomerData.name || 'Unknown';
    document.getElementById('confirmAmount').textContent = `$${parseFloat(amount).toFixed(2)}`;
    
    // Show modal
    document.getElementById('confirmationModal').classList.add('is-active');
}

function processPayment() {
    const form = document.getElementById('paymentForm');
    const formData = new FormData(form);
    
    // Disable confirm button and show loading
    const confirmBtn = document.getElementById('confirmPaymentBtn');
    const originalText = confirmBtn.innerHTML;
    confirmBtn.disabled = true;
    confirmBtn.innerHTML = '<span class="icon"><i class="fas fa-spinner fa-spin"></i></span><span>Processing...</span>';
    
    // Submit the payment
    fetch('/single-payment/process', {
        method: 'POST',
        body: formData
    })
    .then(response => {
        return response.json().then(data => {
            return { status: response.status, data: data };
        });
    })
    .then(result => {
        // Hide confirmation modal
        hideModal('confirmationModal');
        
        const { status, data } = result;
        
        // Check if payment was successful
        if (status === 200 && data.success && data.payment_success) {
            showSuccessModal(data);
        } else if (status === 422 && data.fee_update) {
            // Direct Debit needs fee update - show orange modal
            showFeeUpdateModal(data);
        } else {
            // Payment failed or had an error - show the specific error
            let errorMessage;
            
            if (status === 422) {
                // Payment processing failed (business logic error)
                errorMessage = `Payment Failed: ${data.stripe_error || data.error || 'Unknown error'}`;
            } else if (status >= 400) {
                // Other HTTP errors
                errorMessage = data.error || 'Payment processing failed';
            } else {
                // Unexpected status
                errorMessage = 'Payment processing failed. Please try again.';
            }
            
            showErrorModal(errorMessage);
        }
    })
    .catch(error => {
        console.error('Error processing payment:', error);
        hideModal('confirmationModal');
        showErrorModal('Payment processing failed. Please try again.');
    })
    .finally(() => {
        // Re-enable button
        confirmBtn.disabled = false;
        confirmBtn.innerHTML = originalText;
    });
}

function showSuccessModal(data) {
    const successHtml = `
        <p><strong>Payment ID:</strong> ${data.payment_id}</p>
        <p><strong>Payment Intent:</strong> ${data.payment_intent || 'N/A'}</p>
        <p><strong>Amount:</strong> $${parseFloat(data.amount).toFixed(2)}</p>
        <p><strong>Customer:</strong> ${data.customer_name}</p>
    `;
    
    document.getElementById('successMessage').innerHTML = successHtml;
    document.getElementById('successModal').classList.add('is-active');
}

function showErrorModal(errorMessage) {
    document.getElementById('errorDetails').innerHTML = `<p>${errorMessage}</p>`;
    document.getElementById('errorModal').classList.add('is-active');
}

function hideModal(modalId) {
    document.getElementById(modalId).classList.remove('is-active');
}

function showFeeUpdateModal(data) {
    currentPaymentId = data.payment_id;
    document.getElementById('feeUpdateModal').classList.add('is-active');
}

function viewPaymentDetails() {
    if (currentPaymentId) {
        // Redirect to the single payment detail page
        window.location.href = `/single-payment/detail/${currentPaymentId}`;
    }
}

function closeSuccessModal() {
    hideModal('successModal');
    // Reset form to step 1
    goBackToStep1();
    document.getElementById('lookup_splynx_id').value = '';
    currentCustomerData = null;
}

// Close modals on escape key
document.addEventListener('keydown', function(event) {
    if (event.key === 'Escape') {
        const activeModals = document.querySelectorAll('.modal.is-active');
        activeModals.forEach(modal => modal.classList.remove('is-active'));
    }
});

// Enter key navigation
document.getElementById('lookup_splynx_id').addEventListener('keypress', function(event) {
    if (event.key === 'Enter') {
        fetchCustomerDetails();
    }
});

document.getElementById('payment_amount').addEventListener('keypress', function(event) {
    if (event.key === 'Enter') {
        showConfirmationModal();
    }
});
</script>
{% endblock %}