@extends('layouts.app')
@section('title', 'Bulk Batch Details')

@section('content')
<script src="https://unpkg.com/pdf-lib@1.17.1/dist/pdf-lib.min.js"></script>

<style>
    .force-panel-width { width: 750px !important; }
    @media (max-width: 768px) { .force-panel-width { width: 100% !important; } }
</style>

<div x-data="{ 
        showOffcanvas: false, 
        offcanvasPdfUrl: '', 
        offcanvasTitle: '',
        isMerging: false,
        async viewMergedDocument(urls, certUrl) {
            this.isMerging = true;
            this.offcanvasTitle = 'Merging Documents...';
            this.showOffcanvas = true;
            this.offcanvasPdfUrl = ''; 
            try {
                const { PDFDocument } = PDFLib;
                const mergedPdf = await PDFDocument.create();
                for (const url of urls) {
                    try {
                        const docResp = await fetch(url);
                        if (docResp.ok) {
                            const docBytes = await docResp.arrayBuffer();
                            const pdf = await PDFDocument.load(docBytes);
                            const copiedPages = await mergedPdf.copyPages(pdf, pdf.getPageIndices());
                            copiedPages.forEach((page) => mergedPdf.addPage(page));
                        }
                    } catch (err) { console.warn('Could not load doc:', url); }
                }
                try {
                    const certResp = await fetch(certUrl);
                    if (certResp.ok) {
                        const certBytes = await certResp.arrayBuffer();
                        const certPdf = await PDFDocument.load(certBytes);
                        const copiedPages = await mergedPdf.copyPages(certPdf, certPdf.getPageIndices());
                        copiedPages.forEach((page) => mergedPdf.addPage(page));
                    }
                } catch (err) { console.warn('Could not load certificate'); }
                const mergedPdfBytes = await mergedPdf.save();
                const blob = new Blob([mergedPdfBytes], { type: 'application/pdf' });
                if (this.offcanvasPdfUrl) URL.revokeObjectURL(this.offcanvasPdfUrl);
                this.offcanvasPdfUrl = URL.createObjectURL(blob);
                this.offcanvasTitle = 'Signed Package Content';
            } catch (error) {
                console.error('Merge Error:', error);
                alert('Error processing documents.');
                this.showOffcanvas = false;
            } finally { this.isMerging = false; }
        }
    }" 
    class="mx-auto max-w-screen-2xl p-4 md:p-6 2xl:p-10 bg-gray-50 dark:bg-boxdark-2 min-h-screen">

    <!-- Header Section -->
    <div class="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
        <div>
            <h2 class="text-2xl font-bold text-gray-900 dark:text-white">Bulk Batch Details</h2>
            <p class="text-sm text-gray-500 mt-1">Batch ID: <span class="font-mono font-bold text-primary">{{ $batch->bulk_guid }}</span></p>
        </div>
        <div class="flex items-center gap-3">
            @if(in_array($batch->status, ['Pending', 'Processing']))
            <form action="{{ route('bulk.cancel', $batch->bulk_guid) }}" method="POST" onsubmit="return confirm('Cancel remaining requests?')">
                @csrf
                <button type="submit" class="inline-flex items-center gap-2 px-4 py-2 bg-red-50 text-red-600 border border-red-200 rounded-lg text-sm font-bold hover:bg-red-100 transition-all">
                    <i class="bi bi-x-circle"></i> Cancel Batch
                </button>
            </form>
            @endif
            <a href="{{ route('bulk.list') }}" class="inline-flex items-center gap-2 px-4 py-2 bg-white dark:bg-meta-4 border border-stroke dark:border-strokedark rounded-lg text-sm font-medium text-gray-700 dark:text-white hover:bg-gray-100 transition-all shadow-sm">
                <i class="bi bi-arrow-left"></i> History
            </a>
        </div>
    </div>

    <!-- STATS BLOCKS -->
    <div class="grid grid-cols-1 sm:grid-cols-3 gap-6 mb-6">
        <div class="bg-white dark:bg-boxdark rounded-xl border border-stroke dark:border-strokedark p-5 shadow-sm flex items-center gap-4">
            <div class="h-12 w-12 rounded-lg bg-green-50 dark:bg-green-900/20 flex items-center justify-center text-green-600">
                <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2"></path><circle cx="9" cy="7" r="4"></circle><polyline points="16 11 18 13 22 9"></polyline></svg>
            </div>
            <div>
                <p class="text-[10px] text-gray-400 font-bold uppercase tracking-widest">Signatures</p>
                <p class="text-xl font-black text-gray-800 dark:text-white">{{ $signed_count }} / {{ $batch->total_count }}</p>
            </div>
        </div>

        <div class="bg-white dark:bg-boxdark rounded-xl border border-stroke dark:border-strokedark p-5 shadow-sm flex items-center gap-4">
            <div class="h-12 w-12 rounded-lg bg-blue-50 dark:bg-blue-900/20 flex items-center justify-center text-blue-600">
                <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"></polyline></svg>
            </div>
            <div>
                <p class="text-[10px] text-gray-400 font-bold uppercase tracking-widest">Creation Status</p>
                <p class="text-xl font-black text-blue-600">{{ $display_status ?? $batch->status }}</p>
            </div>
        </div>

        <div class="bg-white dark:bg-boxdark rounded-xl border border-stroke dark:border-strokedark p-5 shadow-sm flex items-center gap-4">
            <div class="h-12 w-12 rounded-lg bg-orange-50 dark:bg-orange-900/20 flex items-center justify-center text-orange-500">
                <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="18" rx="2" ry="2"></rect><line x1="16" y1="2" x2="16" y2="6"></line><line x1="8" y1="2" x2="8" y2="6"></line><line x1="3" y1="10" x2="21" y2="10"></line></svg>
            </div>
            <div>
                <p class="text-[10px] text-gray-400 font-bold uppercase tracking-widest">Created At</p>
                <p class="text-sm font-bold text-gray-800 dark:text-white">{{ date('M d, Y', strtotime($batch->created_at)) }}</p>
            </div>
        </div>
    </div>

    <!-- TEMPLATES BOX -->
    <div class="bg-white dark:bg-boxdark rounded-xl border border-stroke dark:border-strokedark p-6 mb-6 shadow-sm">
        <h3 class="text-[10px] font-bold text-gray-400 uppercase tracking-widest mb-3">Included Templates</h3>
        <div class="flex flex-wrap gap-3">
            @foreach($batchTemplates as $t)
            <div class="flex items-center gap-2 bg-gray-50 dark:bg-meta-4 px-3 py-2 rounded-lg border border-stroke dark:border-strokedark">
                <i class="bi bi-file-earmark-pdf text-danger"></i>
                <span class="text-xs font-bold text-gray-700 dark:text-gray-200">{{ $t->template_title }}</span>
            </div>
            @endforeach
        </div>
    </div>

    <!-- TABLE -->
    <div class="bg-white dark:bg-boxdark rounded-xl border border-stroke dark:border-strokedark shadow-sm overflow-hidden">
        <div class="px-6 py-4 border-b border-stroke dark:border-strokedark bg-gray-50/50 dark:bg-meta-4/20">
            <h3 class="font-bold text-gray-800 dark:text-white">Batch Recipients</h3>
        </div>
        <div class="max-w-full overflow-x-auto">
            <table class="w-full table-auto">
                <thead>
                    <tr class="bg-gray-50 dark:bg-meta-4 text-left">
                        <th class="px-6 py-4 text-xs font-bold text-gray-500 uppercase tracking-widest">Recipient</th>
                        <th class="px-6 py-4 text-xs font-bold text-gray-500 uppercase tracking-widest">Status</th>
                        <th class="px-6 py-4 text-xs font-bold text-gray-500 uppercase text-right tracking-widest">Action</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-stroke dark:divide-strokedark">
                    @foreach($packages as $pkg)
                    @php
                        $docs = json_decode($pkg->email_template_json);
                        $signed_urls_array = [];
                        $company_uuid = session('company_uuid');
                        
                        if($docs) {
                            foreach($docs as $d) {
                                // FIXED: Changed $pkg->id to $pkg->package_id
                                $signed_urls_array[] = $baseUrl . "/tenant_user/" . $company_uuid . "/signed_documents/" . $pkg->package_id . "_" . $d->template_id . ".pdf";
                            }
                        }
                        // FIXED: Changed $pkg->id to $pkg->package_id
                        $cert_url = $baseUrl . "/tenant_user/" . $company_uuid . "/certificate/" . $pkg->package_id . ".pdf";
                    @endphp
                    <tr class="hover:bg-gray-50 dark:hover:bg-white/[0.02] transition-colors">
                        <td class="px-6 py-5">
                            <div class="text-sm font-bold text-gray-800 dark:text-white">{{ $pkg->recipient_name }}</div>
                            <div class="text-[11px] text-gray-500">{{ $pkg->recipient_email }}</div>
                            <div class="text-[9px] text-gray-400 font-mono mt-1 uppercase">GUID: {{ $pkg->package_guid }}</div>
                        </td>
                        <td class="px-6 py-5">
                            <span class="inline-flex items-center gap-1.5 px-2.5 py-0.5 rounded-full text-[10px] font-bold uppercase tracking-wide
                                {{ $pkg->package_status == 'Completed' ? 'bg-green-100 text-green-700' : 'bg-orange-100 text-orange-700' }}">
                                <span class="h-1.5 w-1.5 rounded-full {{ $pkg->package_status == 'Completed' ? 'bg-green-700' : 'bg-orange-700' }}"></span>
                                {{ $pkg->package_status }}
                            </span>
                        </td>
                        <td class="px-6 py-5 text-right space-y-2">
                            @if($pkg->package_status == 'Completed')
                                <button @click="viewMergedDocument({{ json_encode($signed_urls_array) }}, '{{ $cert_url }}')" 
                                        class="inline-flex items-center gap-2 bg-primary text-white px-3 py-1.5 rounded-lg text-xs font-bold hover:bg-opacity-90 transition-all shadow-sm">
                                    <i class="bi bi-file-earmark-pdf"></i> View Signed + Cert
                                </button>
                            @else
                                @if($pkg->email_template_guid)
                                    <a href="{{ url('/sign/' . $pkg->email_template_guid) }}" target="_blank" 
                                       class="inline-flex items-center gap-2 bg-brand-500 text-white px-3 py-1.5 rounded-lg text-xs font-bold hover:bg-opacity-90 transition-all shadow-sm">
                                        <i class="bi bi-pencil-square"></i> Open Signing Link
                                    </a>
                                @else
                                    <span class="text-[10px] text-gray-400 italic">Processing Link...</span>
                                @endif
                            @endif
                            <div class="block">
                                <a href="/package-details/{{ $pkg->package_guid }}" class="text-[10px] text-primary hover:underline font-bold uppercase tracking-tight">Full Audit Trail</a>
                            </div>
                        </td>
                    </tr>
                    @endforeach
                </tbody>
            </table>
        </div>
    </div>

    <!-- PDF PREVIEW OFF-CANVAS -->
    <div x-show="showOffcanvas" x-cloak class="fixed inset-0 overflow-hidden" style="z-index: 99999999;" role="dialog" aria-modal="true">
        <div @click="showOffcanvas = false" class="fixed inset-0 bg-black/60 backdrop-blur-sm transition-opacity"></div>
        <div class="fixed inset-y-0 right-0 flex max-w-full">
            <div x-show="showOffcanvas" 
                 x-transition:enter="transform transition ease-in-out duration-500" 
                 x-transition:enter-start="translate-x-full" 
                 x-transition:enter-end="translate-x-0" 
                 x-transition:leave="transform transition ease-in-out duration-500" 
                 x-transition:leave-start="translate-x-0" 
                 x-transition:leave-end="translate-x-full" 
                 class="force-panel-width pointer-events-auto h-screen">
                
                <div class="flex h-full flex-col bg-white shadow-2xl dark:bg-gray-900 border-l border-stroke dark:border-strokedark">
                    <div class="px-6 py-5 border-b border-stroke dark:border-gray-800 shrink-0 flex items-center justify-between bg-gray-50 dark:bg-meta-4">
                        <div>
                            <h2 class="text-lg font-bold text-gray-900 dark:text-white" x-text="offcanvasTitle"></h2>
                            <p class="text-[10px] text-gray-500 uppercase font-bold tracking-widest mt-0.5">Bulk Package Viewer</p>
                        </div>
                        <button type="button" @click="showOffcanvas = false" class="h-10 w-10 flex items-center justify-center rounded-full text-gray-400 hover:bg-gray-200 dark:hover:bg-white/10 transition-all">
                            <i class="bi bi-x-lg text-xl"></i>
                        </button>
                    </div>
                    <div class="relative flex-1 bg-slate-100 dark:bg-gray-800 overflow-hidden flex items-center justify-center">
                        <template x-if="isMerging">
                            <div class="text-center">
                                <div class="animate-spin h-12 w-12 border-4 border-primary border-t-transparent rounded-full mx-auto mb-4"></div>
                                <p class="text-sm font-bold text-gray-600 dark:text-gray-400">Combining documents...</p>
                            </div>
                        </template>
                        <template x-if="!isMerging && offcanvasPdfUrl">
                            <iframe :src="offcanvasPdfUrl + '#view=FitH'" class="w-full h-full border-none"></iframe>
                        </template>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection