@extends('layouts.app')

@section('content')

<style>
.invoice-page {
    padding: 80px 0;
    background: #FAF7F2;
    font-family: 'DM Sans', system-ui, sans-serif;
    color: #2C2C2C;
}

.invoice-wrap {
    max-width: 760px;
    margin: 0 auto;
    background: #FFFFFF;
    border-radius: 12px;
    padding: 48px 44px;
    box-shadow: 0 4px 20px rgba(15, 26, 46, 0.08);
    border: 1px solid #E5E7EB;
}

/* Header */
.inv-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 2px solid #F3F4F6;
}

.inv-brand-name {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: #0F1A2E;
    margin-bottom: 4px;
}

.inv-brand-sub {
    font-size: 12.5px;
    color: #6B7280;
}

.inv-meta {
    text-align: right;
}

.inv-number {
    font-size: 20px;
    font-weight: 700;
    color: #0F1A2E;
    letter-spacing: 0.5px;
}

.inv-status {
    display: inline-block;
    margin-top: 6px;
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.status-pending  { background: #FEF3C7; color: #92400E; }
.status-paid     { background: #D1FAE5; color: #065F46; }
.status-cancelled{ background: #FEE2E2; color: #991B1B; }

/* Success banner */
.inv-success {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(5, 150, 105, 0.08);
    border: 1px solid rgba(5, 150, 105, 0.2);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 28px;
    font-size: 14px;
    color: #065F46;
    font-weight: 500;
}

.inv-success i { font-size: 18px; flex-shrink: 0; }

/* Bill-to / dates grid */
.inv-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.inv-info-block dt {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #9CA3AF;
    margin-bottom: 4px;
}

.inv-info-block dd {
    font-size: 14.5px;
    color: #0F1A2E;
    font-weight: 500;
    margin: 0;
    line-height: 1.6;
}

/* Services table */
.inv-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 28px;
    font-size: 14px;
}

.inv-table thead tr {
    background: #F9FAFB;
    border-bottom: 1px solid #E5E7EB;
}

.inv-table th {
    padding: 10px 14px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #6B7280;
}

.inv-table td {
    padding: 12px 14px;
    border-bottom: 1px solid #F3F4F6;
    color: #374151;
    vertical-align: top;
}

.inv-table tbody tr:last-child td { border-bottom: none; }

/* Totals */
.inv-totals {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    margin-bottom: 32px;
}

.inv-totals-row {
    display: flex;
    gap: 40px;
    font-size: 14px;
    color: #6B7280;
}

.inv-totals-row.total {
    font-size: 16px;
    font-weight: 700;
    color: #0F1A2E;
    padding-top: 10px;
    border-top: 2px solid #E5E7EB;
    margin-top: 4px;
}

.inv-totals-row span:last-child {
    min-width: 120px;
    text-align: right;
}

/* Details section */
.inv-details {
    background: #F9FAFB;
    border-radius: 8px;
    padding: 16px 18px;
    margin-bottom: 28px;
    font-size: 13.5px;
    color: #4B5563;
    line-height: 1.7;
}

.inv-details-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #9CA3AF;
    margin-bottom: 6px;
}

/* Footer note */
.inv-footer-note {
    text-align: center;
    font-size: 12.5px;
    color: #9CA3AF;
    border-top: 1px solid #F3F4F6;
    padding-top: 20px;
    line-height: 1.7;
}

/* Print button */
.inv-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
    margin-bottom: 28px;
}

.coupon-box {
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 24px;
    background: #FCFCFD;
}

.coupon-form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.coupon-input {
    flex: 1;
    min-width: 180px;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    padding: 10px 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.coupon-btn {
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    background: #0F1A2E;
    color: #FFFFFF;
}

.inv-action-feedback {
    display: none;
    width: 100%;
    font-size: 12.5px;
    color: #065F46;
    text-align: right;
}

.inv-action-feedback.show {
    display: block;
}

.btn-print {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid #E5E7EB;
    background: #FFFFFF;
    color: #0F1A2E;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-print:hover { background: #F9FAFB; border-color: #C9A84C; color: #0F1A2E; }

@media print {
    .invoice-page { padding: 0; background: #fff; }
    .inv-wrap { box-shadow: none; border: none; padding: 0; }
    .inv-actions { display: none; }
}

@media (max-width: 600px) {
    .invoice-page { padding: 40px 0; }
    .inv-wrap { padding: 28px 18px; }
    .inv-header { flex-direction: column; gap: 12px; }
    .inv-meta { text-align: left; }
    .inv-info-grid { grid-template-columns: 1fr; gap: 16px; }
}
</style>

<section class="invoice-page">
    <div class="container">
        <div class="invoice-wrap inv-wrap">

            @if (request('payment') === 'success')
                <div class="inv-success">
                    <i class="bi bi-check-circle-fill"></i>
                    Payment successful. Thank you for your payment.
                </div>
            @elseif (request('payment') === 'cancelled')
                <div class="inv-success" style="background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.25); color: #92400E;">
                    <i class="bi bi-exclamation-circle-fill"></i>
                    Payment was cancelled. You can try again when ready.
                </div>
            @endif

            @if (session('error'))
                <div class="inv-success" style="background: rgba(220, 38, 38, 0.08); border-color: rgba(220, 38, 38, 0.2); color: #991B1B;">
                    <i class="bi bi-x-circle-fill"></i>
                    {{ session('error') }}
                </div>
            @endif

            @if (session('success'))
                <div class="inv-success">
                    <i class="bi bi-check-circle-fill"></i>
                    {{ session('success') }}
                </div>
            @endif

            {{-- Success message on first load --}}
            <div class="inv-success">
                <i class="bi bi-check-circle-fill"></i>
                Thank you, {{ $invoice->name }}! Your quote has been received. Here is your invoice summary.
            </div>

            {{-- Header --}}
            <div class="inv-header">
                <div>
                    <div class="inv-brand-name">Infokings Media Ltd</div>
                    <div class="inv-brand-sub">Video Production · Social Media · Writing Services</div>
                </div>
                <div class="inv-meta">
                    <div class="inv-number">{{ $invoice->invoice_number }}</div>
                    <span class="inv-status status-{{ $invoice->status }}">{{ ucfirst($invoice->status) }}</span>
                </div>
            </div>

            {{-- Print / actions --}}
            <div class="inv-actions">
                @if ($invoice->status !== 'paid' && $invoice->amount !== null && (float) $invoice->amount > 0)
                    <form method="POST" action="{{ route('invoice.checkout', $invoice) }}">
                        @csrf
                        <button type="submit" class="btn-print" style="background:#0F1A2E; color:#FFFFFF; border-color:#0F1A2E;">
                            <i class="bi bi-credit-card-2-front"></i> Pay With Stripe
                        </button>
                    </form>
                @endif

                <button id="downloadPdfBtn" type="button" class="btn-print">
                    <i class="bi bi-download"></i> Download As PDF
                </button>

                <button id="shareInvoiceBtn" type="button" class="btn-print">
                    <i class="bi bi-share"></i> Share
                </button>

                <button id="copyUrlBtn" type="button" class="btn-print">
                    <i class="bi bi-link-45deg"></i> Copy URL
                </button>

                <button class="btn-print" onclick="window.print()">
                    <i class="bi bi-printer"></i> Print Invoice
                </button>

                <div id="invoiceActionFeedback" class="inv-action-feedback"></div>
            </div>

            @if ($invoice->status !== 'paid')
                <div class="coupon-box">
                    <div style="font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #6B7280; margin-bottom: 8px;">Coupon Code</div>
                    <form method="POST" action="{{ route('invoice.apply-coupon', $invoice) }}" class="coupon-form">
                        @csrf
                        <input
                            type="text"
                            name="code"
                            value="{{ old('code') }}"
                            maxlength="6"
                            class="coupon-input"
                            placeholder="ABC123"
                            required
                            oninput="this.value = this.value.toUpperCase().replace(/[^A-Z0-9]/g, '').slice(0, 6)"
                        >
                        <button type="submit" class="coupon-btn">Apply Coupon</button>
                    </form>
                    <div style="margin-top: 8px; font-size: 12px; color: #6B7280;">Applying a valid coupon updates this invoice amount to the coupon amount set by admin.</div>
                </div>
            @endif

            {{-- Bill-to & dates --}}
            <div class="inv-info-grid">
                <dl class="inv-info-block">
                    <dt>Billed To</dt>
                    <dd>
                        {{ $invoice->name }}<br>
                        {{ $invoice->business_name }}<br>
                        {{ $invoice->email }}<br>
                        @if ($invoice->phone){{ $invoice->phone }}@endif
                    </dd>
                </dl>
                <dl class="inv-info-block" style="text-align:right">
                    <dt>Invoice Date</dt>
                    <dd>{{ $invoice->created_at->format('M d, Y') }}</dd>

                    <dt style="margin-top:12px">Due Date</dt>
                    <dd>{{ $invoice->due_date?->format('M d, Y') ?? '—' }}</dd>
                </dl>
            </div>

            {{-- Services table --}}
            <table class="inv-table">
                <thead>
                    <tr>
                        <th>Service</th>
                        <th>Details</th>
                    </tr>
                </thead>
                <tbody>
                    @forelse ($invoice->services ?? [] as $service)
                        <tr>
                            <td>{{ $service }}</td>
                            <td>—</td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="2" style="color:#9CA3AF; font-style:italic;">No services listed</td>
                        </tr>
                    @endforelse

                    @if ($invoice->word_count)
                        <tr>
                            <td>Word Count</td>
                            <td>{{ number_format($invoice->word_count) }} words</td>
                        </tr>
                    @endif

                    @if ($invoice->service_minutes)
                        <tr>
                            <td>Estimated Duration</td>
                            <td>{{ $invoice->service_minutes }} minutes</td>
                        </tr>
                    @endif
                </tbody>
            </table>

            {{-- Totals --}}
            <div class="inv-totals">
                @if ($invoice->amount !== null)
                    <div class="inv-totals-row">
                        <span>Subtotal</span>
                        <span>${{ number_format((float) $invoice->amount, 2) }}</span>
                    </div>
                    @if ($invoice->coupon_code)
                        <div class="inv-totals-row">
                            <span>Applied Coupon</span>
                            <span>{{ $invoice->coupon_code }}</span>
                        </div>
                    @endif
                    <div class="inv-totals-row">
                        <span>GST (5%)</span>
                        <span>${{ number_format((float) $invoice->amount * 0.05, 2) }}</span>
                    </div>
                    <div class="inv-totals-row total">
                        <span>Total (CAD)</span>
                        <span>${{ number_format((float) $invoice->amount * 1.05, 2) }}</span>
                    </div>
                @else
                    <div class="inv-totals-row">
                        <span style="color:#9CA3AF; font-style:italic;">Amount to be confirmed — we'll follow up within 24 hours.</span>
                    </div>
                @endif
            </div>

            {{-- Notes / extra details --}}
            @if ($invoice->notes)
                <div class="inv-details">
                    <div class="inv-details-label">Notes</div>
                    {{ $invoice->notes }}
                </div>
            @endif

            {{-- Footer --}}
            <div class="inv-footer-note">
                No obligation. No spam. We'll be in touch within 24 hours.<br>
                All prices in Canadian dollars (CAD), excluding 5% GST. &mdash; Infokings Media Ltd
            </div>

        </div>
    </div>
</section>

<script>
document.addEventListener('DOMContentLoaded', function () {
    var downloadPdfBtn = document.getElementById('downloadPdfBtn');
    var shareInvoiceBtn = document.getElementById('shareInvoiceBtn');
    var copyUrlBtn = document.getElementById('copyUrlBtn');
    var feedback = document.getElementById('invoiceActionFeedback');

    function showFeedback(message, isError) {
        if (!feedback) {
            return;
        }

        feedback.textContent = message;
        feedback.style.color = isError ? '#991B1B' : '#065F46';
        feedback.classList.add('show');

        window.setTimeout(function () {
            feedback.classList.remove('show');
        }, 2200);
    }

    if (downloadPdfBtn) {
        downloadPdfBtn.addEventListener('click', function () {
            // Uses browser print dialog where user can choose "Save as PDF"
            window.print();
        });
    }

    if (copyUrlBtn) {
        copyUrlBtn.addEventListener('click', async function () {
            try {
                await navigator.clipboard.writeText(window.location.href);
                showFeedback('Invoice URL copied.', false);
            } catch (error) {
                showFeedback('Unable to copy URL in this browser.', true);
            }
        });
    }

    if (shareInvoiceBtn) {
        shareInvoiceBtn.addEventListener('click', async function () {
            var title = 'Invoice {{ $invoice->invoice_number ?? ('#'.$invoice->id) }}';
            var text = 'Please view this invoice.';
            var url = window.location.href;

            if (navigator.share) {
                try {
                    await navigator.share({ title: title, text: text, url: url });
                    showFeedback('Share sheet opened.', false);
                } catch (error) {
                    if (error && error.name !== 'AbortError') {
                        showFeedback('Unable to share right now.', true);
                    }
                }

                return;
            }

            try {
                await navigator.clipboard.writeText(url);
                showFeedback('Share is not supported here. URL copied instead.', false);
            } catch (error) {
                showFeedback('Share is not supported in this browser.', true);
            }
        });
    }
});
</script>

@endsection