<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Models\Client;
use App\Models\ContentBrief;
use App\Models\Event;
use App\Models\Invoice;
use App\Models\RateCard;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SearchController extends Controller
{
    public function index(Request $request): View
    {
        $q       = trim((string) $request->get('q', ''));
        $results = $q ? $this->search($q) : [];

        return view('search.index', compact('q', 'results'));
    }

    /** Quick AJAX endpoint — returns grouped results for the dropdown */
    public function quick(Request $request): JsonResponse
    {
        $q = trim((string) $request->get('q', ''));

        if (strlen($q) < 2) {
            return response()->json([]);
        }

        return response()->json($this->search($q, limit: 5));
    }

    private function search(string $q, int $limit = 20): array
    {
        $groups = [];
        $like   = "%{$q}%";

        // ── Clients ──────────────────────────────────────────────
        $clients = Client::where('name', 'LIKE', $like)
            ->orWhere('email', 'LIKE', $like)
            ->orWhere('company', 'LIKE', $like)
            ->orWhere('ig_handle', 'LIKE', $like)
            ->orWhere('tiktok_handle', 'LIKE', $like)
            ->limit($limit)->get();

        if ($clients->isNotEmpty()) {
            $groups[] = [
                'type'  => 'clients',
                'label' => '👥 Clients',
                'items' => $clients->map(fn ($c) => [
                    'icon'     => '👥',
                    'title'    => $c->name,
                    'subtitle' => collect([$c->company, $c->email])->filter()->implode(' · '),
                    'url'      => route('clients.show', $c),
                ])->values()->all(),
            ];
        }

        // ── Events ───────────────────────────────────────────────
        $events = Event::with('client')
            ->where('title', 'LIKE', $like)
            ->orWhere('description', 'LIKE', $like)
            ->orWhere('location', 'LIKE', $like)
            ->limit($limit)->get();

        if ($events->isNotEmpty()) {
            $groups[] = [
                'type'  => 'events',
                'label' => '📅 Events',
                'items' => $events->map(fn ($e) => [
                    'icon'     => '📅',
                    'title'    => $e->title,
                    'subtitle' => $e->start_time->format('d M Y') . ($e->client ? ' · ' . $e->client->name : ''),
                    'url'      => route('schedule.index'),
                ])->values()->all(),
            ];
        }

        // ── Invoices ─────────────────────────────────────────────
        $invoices = Invoice::with('client')
            ->where('invoice_number', 'LIKE', $like)
            ->orWhere('title', 'LIKE', $like)
            ->limit($limit)->get();

        if ($invoices->isNotEmpty()) {
            $groups[] = [
                'type'  => 'invoices',
                'label' => '🧾 Invoices',
                'items' => $invoices->map(fn ($i) => [
                    'icon'     => '🧾',
                    'title'    => $i->invoice_number . ($i->title ? ' — ' . $i->title : ''),
                    'subtitle' => ($i->client?->name ?? '') . ' · ' . ($i->formatted_total ?? ''),
                    'url'      => route('invoices.show', $i),
                ])->values()->all(),
            ];
        }

        // ── Content Briefs ───────────────────────────────────────
        $content = ContentBrief::with('client')
            ->where('title', 'LIKE', $like)
            ->orWhere('description', 'LIKE', $like)
            ->orWhere('platform', 'LIKE', $like)
            ->limit($limit)->get();

        if ($content->isNotEmpty()) {
            $groups[] = [
                'type'  => 'content',
                'label' => '🎬 Content',
                'items' => $content->map(fn ($c) => [
                    'icon'     => $c->platform_icon ?? '🎬',
                    'title'    => $c->title,
                    'subtitle' => ucfirst($c->platform) . ($c->client ? ' · ' . $c->client->name : ''),
                    'url'      => route('content.show', $c),
                ])->values()->all(),
            ];
        }

        // ── Rate Cards ───────────────────────────────────────────
        $rateCards = RateCard::where('service_name', 'LIKE', $like)
            ->orWhere('description', 'LIKE', $like)
            ->limit($limit)->get();

        if ($rateCards->isNotEmpty()) {
            $groups[] = [
                'type'  => 'rate-cards',
                'label' => '💰 Rate Cards',
                'items' => $rateCards->map(fn ($r) => [
                    'icon'     => '💰',
                    'title'    => $r->service_name,
                    'subtitle' => $r->description ?? '',
                    'url'      => route('rate-cards.edit', $r),
                ])->values()->all(),
            ];
        }

        // ── Notes ───────────────────────────────────────────
        $notes = \App\Models\Note::where('title', 'LIKE', $like)
            ->orWhere('content', 'LIKE', $like)
            ->limit($limit)->get();

        if ($notes->isNotEmpty()) {
            $groups[] = [
                'type'  => 'notes',
                'label' => '📝 Notes',
                'items' => $notes->map(fn ($n) => [
                    'icon'     => '📝',
                    'title'    => $n->title ?: 'Untitled',
                    'subtitle' => 'Notes Management',
                    'url'      => route('notes.index'),
                ])->values()->all(),
            ];
        }

        return $groups;
    }
}