@php
    $helpdeskAttachmentAccept = collect(config('helpdesk.allowed_extensions', config('helpdesk.allowed_mimes', [])))
        ->filter(fn ($extension) => is_string($extension) && trim($extension) !== '')
        ->map(fn ($extension) => '.' . strtolower(ltrim(trim($extension), '.')))
        ->unique()
        ->implode(',');
@endphp
@props(['comments', 'level' => 0, 'ticket' => null, 'canSeeInternalNotes' => false])

<div class="space-y-3" data-helpdesk-thread-level="{{ (int) $level }}">
    @foreach ($comments as $comment)
        @php
            $commentUser = $comment->relationLoaded('user') ? $comment->getRelation('user') : null;
            $commentAttachments = $comment->relationLoaded('attachments')
                ? $comment->getRelation('attachments')
                : collect();
            $commentReplies = $comment->relationLoaded('replies') ? $comment->getRelation('replies') : collect();
            $replyFormId = 'helpdesk-reply-form-' . $comment->id;
            $currentTicket = $ticket ?? ($comment->ticket ?? null);
            $replyCount = $commentReplies->count();
            $isInternal = (bool) $comment->is_internal;
            $borderClass = $isInternal
                ? 'border-purple-400/70 dark:border-purple-600/70'
                : 'border-zinc-200 dark:border-zinc-700';
            $railClass = $isInternal
                ? 'bg-purple-500'
                : ((int) $level % 3 === 0
                    ? 'bg-red-500'
                    : ((int) $level % 3 === 1
                        ? 'bg-blue-500'
                        : 'bg-emerald-500'));
            $commentSubject = trim((string) ($comment->subject ?? ''));

            if ($commentSubject === '') {
                $plainSubject = trim((string) ($comment->body_text ?? strip_tags((string) $comment->body)));
                $commentSubject = Str::limit($plainSubject !== '' ? $plainSubject : 'Response', 72);
            }

            if ($isInternal && !Str::startsWith(Str::lower($commentSubject), 'internal')) {
                $commentSubject = 'Internal note';
            }
            $renderedBody = html_entity_decode((string) $comment->body, ENT_QUOTES | ENT_HTML5, 'UTF-8');

            while (
                str_contains($renderedBody, '&lt;') ||
                str_contains($renderedBody, '&gt;') ||
                str_contains($renderedBody, '&amp;lt;')
            ) {
                $decodedBody = html_entity_decode($renderedBody, ENT_QUOTES | ENT_HTML5, 'UTF-8');

                if ($decodedBody === $renderedBody) {
                    break;
                }

                $renderedBody = $decodedBody;
            }

            if ($currentTicket !== null) {
                $renderedBody = strtr($renderedBody, [
                    '{{ ticket . reference }}' => (string) e((string) ($currentTicket->reference ?? '')),
                    '{{ ticket . subject }}' => (string) e((string) ($currentTicket->subject ?? '')),
                    '{{ ticket . status }}' => (string) e((string) ($currentTicket->status?->name ?? '')),
                    '{{ ticket . priority }}' => (string) e((string) ($currentTicket->priority?->name ?? '')),
                    '{{ ticket . category }}' => (string) e((string) ($currentTicket->category?->name ?? '')),
                    '{{ ticket . project }}' => (string) e((string) ($currentTicket->project?->title ?? '')),
                    '{{ ticket . team }}' => (string) e((string) ($currentTicket->team?->name ?? '')),
                    '{{ requester . name }}' => (string) e(
                        (string) ($currentTicket->owner?->name ?? ($currentTicket->user?->name ?? '')),
                    ),
                    '{{ agent . name }}' => (string) e((string) ($currentTicket->agent?->name ?? '')),
                    '{{ actor . name }}' => (string) e((string) ($commentUser?->name ?? '')),
                    '{{ ticket . url }}' => (string) e(
                        route('helpdesk.tickets.show', ['ticket' => $currentTicket->getKey()]),
                    ),
                ]);
            }

            $containsHtml = $renderedBody !== strip_tags($renderedBody);
            $renderedBody = preg_replace('/<\s*(script|style)[^>]*>.*?<\s*\/\s*\1\s*>/is', '', $renderedBody) ?: '';
            $renderedBody = preg_replace('/\s+on[a-z]+\s*=\s*("[^"]*"|\'[^\']*\'|[^\s>]+)/i', '', $renderedBody) ?: '';
            $renderedBody = preg_replace('/javascript\s*:/i', '', $renderedBody) ?: '';
            $renderedBody = strip_tags(
                $renderedBody,
                '<p><br><strong><b><em><i><u><ul><ol><li><blockquote><pre><code><a>',
            );
            $renderedBody = $containsHtml ? $renderedBody : nl2br(e($renderedBody));
        @endphp

        @if (!$isInternal || $canSeeInternalNotes)
            <details class="group rounded-2xl border {{ $borderClass }} bg-white shadow-sm transition dark:bg-zinc-900"
                data-helpdesk-comment-card
                data-helpdesk-comment-text="{{ e(Str::lower($commentSubject . ' ' . strip_tags((string) $comment->body) . ' ' . ($comment->body_text ?? '') . ' ' . ($commentUser?->name ?? '') . ' ' . ($comment->unid ?? '') . ' ' . ($comment->guid ?? ''))) }}"
                style="margin-left: {{ min((int) $level, 4) * 1.25 }}rem">
                <summary class="flex cursor-pointer list-none items-start gap-3 rounded-2xl p-4 marker:hidden">
                    <span class="mt-1 inline-flex h-12 w-2 shrink-0 rounded-full {{ $railClass }}"
                        aria-hidden="true"></span>

                    <div class="min-w-0 flex-1">
                        <div class="flex flex-wrap items-center gap-2">
                            <span
                                class="inline-flex h-9 w-9 shrink-0 items-center justify-center rounded-xl bg-zinc-100 text-zinc-700 ring-1 ring-zinc-200 dark:bg-zinc-800 dark:text-zinc-100 dark:ring-zinc-700">
                                <i class="fa-solid {{ $isInternal ? 'fa-note-sticky' : 'fa-envelope' }}"
                                    aria-hidden="true"></i>
                            </span>
                            <div class="min-w-0 flex-1">
                                <div class="flex flex-wrap items-center gap-2">
                                    <span
                                        class="truncate text-base font-extrabold text-zinc-900 dark:text-zinc-100">{{ $commentSubject }}</span>
                                    <span
                                        class="rounded-full bg-zinc-100 px-2.5 py-1 text-[11px] font-extrabold text-zinc-700 dark:bg-zinc-800 dark:text-zinc-100">{{ $replyCount }}
                                        {{ $replyCount === 1 ? 'reply' : 'replies' }}</span>
                                    @if ($commentAttachments->isNotEmpty())
                                        <span
                                            class="rounded-full bg-emerald-100 px-2.5 py-1 text-[11px] font-extrabold text-emerald-800 dark:bg-emerald-950 dark:text-emerald-100">
                                            <i class="fa-solid fa-paperclip mr-1"
                                                aria-hidden="true"></i>{{ $commentAttachments->count() }}
                                        </span>
                                    @endif
                                    @if ($isInternal)
                                        <span
                                            class="rounded-full bg-purple-600 px-2.5 py-1 text-[11px] font-extrabold uppercase tracking-wide text-white">Internal</span>
                                    @else
                                        <span
                                            class="rounded-full bg-emerald-600 px-2.5 py-1 text-[11px] font-extrabold uppercase tracking-wide text-white">Public</span>
                                    @endif
                                </div>
                                <div
                                    class="mt-1 flex flex-wrap items-center gap-2 text-xs font-semibold text-zinc-500 dark:text-zinc-400">
                                    <span>{{ $commentUser?->name ?? 'Unknown user' }}</span>
                                    <span aria-hidden="true">•</span>
                                    <span>{{ $comment->created_at?->format('d M Y H:i') }}</span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <span
                        class="mt-1 inline-flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-zinc-100 text-zinc-600 transition group-open:rotate-90 dark:bg-zinc-800 dark:text-zinc-200">
                        <i class="fa-solid fa-chevron-right text-xs" aria-hidden="true"></i>
                    </span>
                </summary>

                <div class="border-t border-zinc-100 px-4 pb-4 pt-3 dark:border-zinc-800">
                    <div class="prose prose-sm max-w-none dark:prose-invert">
                        {!! $renderedBody !!}
                    </div>

                    @if ($commentAttachments->isNotEmpty())
                        <div
                            class="mt-4 rounded-xl border border-zinc-200 bg-zinc-50 p-3 dark:border-zinc-700 dark:bg-zinc-950/60">
                            <div
                                class="mb-2 flex items-center gap-2 text-xs font-extrabold uppercase tracking-wide text-zinc-500">
                                <i class="fa-solid fa-paperclip text-blue-500" aria-hidden="true"></i>
                                Attachments
                            </div>
                            <div class="flex flex-wrap gap-2">
                                @foreach ($commentAttachments as $attachment)
                                    <a href="{{ route('helpdesk.attachments.download', $attachment->id) }}"
                                        target="_blank"
                                        class="inline-flex items-center gap-2 rounded-lg border border-blue-200 bg-white px-3 py-2 text-xs font-bold text-blue-700 shadow-sm hover:bg-blue-50 dark:border-blue-900 dark:bg-zinc-900 dark:text-blue-200 dark:hover:bg-blue-950/50">
                                        <i class="fa-solid fa-thumbtack" aria-hidden="true"></i>
                                        {{ $attachment->original_name ?? ($attachment->original_filename ?? ($attachment->filename ?? ($attachment->file_name ?? basename($attachment->path ?? ($attachment->file_path ?? ''))))) }}
                                    </a>
                                @endforeach
                            </div>
                        </div>
                    @endif

                    @if ($currentTicket !== null)
                        <div class="mt-4 flex flex-wrap justify-end gap-2">
                            <button type="button" dusk="reply-to-comment-{{ $comment->id }}"
                                data-helpdesk-reply-toggle="{{ $replyFormId }}"
                                class="inline-flex items-center justify-center rounded-lg bg-blue-600 px-3 py-2 text-xs font-bold text-white shadow-sm transition hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400/70">
                                <i class="fa-solid fa-reply mr-2" aria-hidden="true"></i>
                                Respond
                            </button>

                            @if (auth()->user()?->isMpbaPlatformAdmin())
                                <form method="POST"
                                    action="{{ route('helpdesk.tickets.comments.destroy', [$currentTicket, $comment]) }}"
                                    onsubmit="return confirm('Delete this response? This will remove it from the visible conversation but keep the replication identity/audit trail.');">
                                    @csrf
                                    @method('DELETE')
                                    <button type="submit" dusk="delete-comment-{{ $comment->id }}"
                                        class="inline-flex items-center justify-center rounded-lg bg-red-600 px-3 py-2 text-xs font-bold text-white shadow-sm transition hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-400/70">
                                        <i class="fa-solid fa-trash-can mr-2" aria-hidden="true"></i>
                                        Delete
                                    </button>
                                </form>
                            @endif
                        </div>

                        <form id="{{ $replyFormId }}" method="POST"
                            action="{{ route('helpdesk.tickets.comments.store', $currentTicket) }}"
                            enctype="multipart/form-data"
                            class="mt-4 hidden rounded-xl border border-red-200 bg-red-50/60 p-4 dark:border-red-900 dark:bg-red-950/20"
                            data-helpdesk-comment-form>
                            @csrf
                            <input type="hidden" name="parent_id" value="{{ $comment->id }}">
                            <div class="mb-3">
                                <label for="reply-subject-{{ $comment->id }}"
                                    class="mb-2 block text-sm font-bold text-zinc-700 dark:text-zinc-200">Subject</label>
                                <input id="reply-subject-{{ $comment->id }}" name="subject"
                                    value="{{ old('subject', 'RE: ' . $commentSubject) }}"
                                    spellcheck="true" lang="en-GB" autocorrect="on" autocomplete="on" autocapitalize="sentences" inputmode="text"
                                    class="block w-full rounded-xl border border-zinc-300 bg-white p-3 text-sm font-semibold text-zinc-900 shadow-sm focus:border-blue-500 focus:ring-blue-500 dark:border-zinc-700 dark:bg-zinc-950 dark:text-zinc-100">
                            </div>
                            <label for="reply-body-{{ $comment->id }}"
                                class="mb-2 block text-sm font-bold text-zinc-700 dark:text-zinc-200">Response to
                                response</label>
                            <div class="mb-2 flex flex-wrap gap-2"
                                data-helpdesk-html-toolbar="reply-body-{{ $comment->id }}">
                                <button type="button" data-helpdesk-tag="strong"
                                    class="rounded-lg border px-2 py-1 text-xs font-black">B</button>
                                <button type="button" data-helpdesk-tag="em"
                                    class="rounded-lg border px-2 py-1 text-xs italic">I</button>
                                <button type="button" data-helpdesk-tag="ul"
                                    class="rounded-lg border px-2 py-1 text-xs">List</button>
                                <button type="button" data-helpdesk-wrap="<blockquote>"
                                    data-helpdesk-wrap-end="</blockquote>"
                                    class="rounded-lg border px-2 py-1 text-xs">Quote</button>
                                <button type="button" data-helpdesk-wrap="<code>" data-helpdesk-wrap-end="</code>"
                                    class="rounded-lg border px-2 py-1 text-xs">Code</button>
                            </div>
                            <textarea spellcheck="true" lang="en-GB" autocorrect="on" autocomplete="on" autocapitalize="sentences" inputmode="text" id="reply-body-{{ $comment->id }}" dusk="reply-body-{{ $comment->id }}" name="commentBody" rows="4"
                                required
                                class="block w-full rounded-xl border border-zinc-300 bg-white p-3 text-sm text-zinc-900 shadow-sm focus:border-blue-500 focus:ring-blue-500 dark:border-zinc-700 dark:bg-zinc-950 dark:text-zinc-100"
                                placeholder="Write a threaded Lotus Notes-style response..."></textarea>

                            <div class="mt-4 rounded-xl border border-zinc-200 bg-white p-3 shadow-sm dark:border-zinc-700 dark:bg-zinc-950">
                                <p class="text-xs font-extrabold uppercase tracking-[0.16em] text-zinc-500 dark:text-zinc-400">Visibility</p>

                                @can('update', $currentTicket)
                                    @if ($canSeeInternalNotes)
                                        <div class="mt-3 grid gap-3 sm:grid-cols-2">
                                            <label class="flex cursor-pointer items-start gap-3 rounded-xl border border-emerald-300 bg-emerald-50 p-3 text-emerald-950 shadow-sm transition hover:border-emerald-400 hover:bg-emerald-100/80 focus-within:border-emerald-500 focus-within:bg-emerald-100/80 focus-within:ring-2 focus-within:ring-emerald-400/30 active:bg-emerald-100/80 dark:border-emerald-900 dark:bg-emerald-950/60 dark:text-emerald-100 dark:hover:border-emerald-700 dark:hover:bg-emerald-900/50 dark:focus-within:bg-emerald-900/50">
                                                <input type="radio" name="internal" value="0" checked class="mt-1 border-emerald-400 text-emerald-600 focus:ring-emerald-500">
                                                <span>
                                                    <span class="block text-sm font-extrabold">Public reply</span>
                                                    <span class="mt-1 block text-xs font-semibold opacity-80">Visible to the requester and counts towards SLA.</span>
                                                </span>
                                            </label>

                                            <label class="flex cursor-pointer items-start gap-3 rounded-xl border border-purple-300 bg-purple-50 p-3 text-purple-950 shadow-sm transition hover:border-purple-400 hover:bg-purple-100/80 focus-within:border-purple-500 focus-within:bg-purple-100/80 focus-within:ring-2 focus-within:ring-purple-400/30 active:bg-purple-100/80 dark:border-purple-900 dark:bg-purple-950/60 dark:text-purple-100 dark:hover:border-purple-700 dark:hover:bg-purple-900/50 dark:focus-within:bg-purple-900/50">
                                                <input type="radio" name="internal" value="1" class="mt-1 border-purple-400 text-purple-600 focus:ring-purple-500">
                                                <span>
                                                    <span class="block text-sm font-extrabold">Internal note</span>
                                                    <span class="mt-1 block text-xs font-semibold opacity-80">Support-only note. Does not count as public SLA response.</span>
                                                </span>
                                            </label>
                                        </div>
                                    @else
                                        <input type="hidden" name="internal" value="0">
                                        <div class="mt-3 rounded-xl border border-emerald-300 bg-emerald-50 p-3 text-sm font-semibold text-emerald-950 dark:border-emerald-900 dark:bg-emerald-950/60 dark:text-emerald-100">
                                            <i class="fa-solid fa-envelope-circle-check mr-2" aria-hidden="true"></i>
                                            This threaded response will be public.
                                        </div>
                                    @endif
                                @else
                                    <input type="hidden" name="internal" value="0">
                                @endcan
                            </div>

                            <details
                                class="mt-4 overflow-hidden rounded-xl border border-zinc-200 bg-white/80 shadow-sm dark:border-zinc-800 dark:bg-zinc-950/50">
                                <summary
                                    class="group flex cursor-pointer list-none items-center justify-between gap-3 bg-gradient-to-r from-slate-950 via-blue-950 to-slate-900 px-4 py-3 text-white [&::-webkit-details-marker]:hidden">
                                    <span class="flex min-w-0 items-center gap-3">
                                        <span
                                            class="inline-flex h-9 w-9 shrink-0 items-center justify-center rounded-xl border border-blue-400/30 bg-blue-500/15 text-blue-200">
                                            <i class="fa-solid fa-paperclip text-xs" aria-hidden="true"></i>
                                        </span>
                                        <span class="min-w-0">
                                            <span
                                                class="block text-[10px] font-black uppercase tracking-[0.22em] text-blue-200">Attachments</span>
                                            <span class="block truncate text-xs font-semibold text-zinc-300">Pin
                                                response files.</span>
                                        </span>
                                    </span>
                                    <span class="flex shrink-0 items-center gap-2">
                                        <span
                                            class="rounded-full border border-white/10 bg-white/10 px-2.5 py-1 text-[10px] font-black text-white"
                                            data-helpdesk-file-count>0 files</span>
                                        <i class="fa-solid fa-chevron-down text-[10px] text-blue-200 transition group-open:rotate-180"
                                            aria-hidden="true"></i>
                                    </span>
                                </summary>
                                <div class="p-4">
                                    <div
                                        class="flex min-h-[4.5rem] flex-col gap-3 rounded-xl border border-zinc-200 bg-zinc-50/80 p-4 dark:border-zinc-800 dark:bg-zinc-950/70 sm:flex-row sm:items-center sm:justify-between">
                                        <span class="text-xs font-semibold text-zinc-500 dark:text-zinc-400"
                                            data-helpdesk-file-label>No files attached</span>
                                        <label data-helpdesk-file-button>
                                            <i class="fa-solid fa-paperclip" aria-hidden="true"></i>
                                            <span>Attach files</span>
                                            <input name="attachments[]" type="file" multiple accept="{{ $helpdeskAttachmentAccept }}" class="sr-only"
                                                data-helpdesk-file-input>
                                        </label>
                                    </div>
                                </div>
                            </details>

                            <div class="mt-4 flex justify-end gap-2">
                                <button type="button" data-helpdesk-reply-toggle="{{ $replyFormId }}"
                                    class="inline-flex items-center justify-center rounded-lg bg-slate-600 px-3 py-2 text-xs font-bold text-white shadow-sm transition hover:bg-slate-700 focus:outline-none focus:ring-2 focus:ring-slate-400/70">Cancel</button>
                                <button type="submit" dusk="post-reply-{{ $comment->id }}"
                                    class="inline-flex items-center justify-center rounded-lg bg-emerald-600 px-3 py-2 text-xs font-bold text-white shadow-sm transition hover:bg-emerald-700 focus:outline-none focus:ring-2 focus:ring-emerald-400/70">Post
                                    response</button>
                            </div>
                        </form>
                    @endif

                    @if ($commentReplies->isNotEmpty())
                        <div class="mt-4 border-l-4 border-red-500 pl-4">
                            @include('helpdesk::partials.comment-thread', [
                                'comments' => $commentReplies,
                                'level' => ((int) $level) + 1,
                                'ticket' => $currentTicket,
                                'canSeeInternalNotes' => $canSeeInternalNotes,
                            ])
                        </div>
                    @endif
                </div>
            </details>
        @endif
    @endforeach
</div>