<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\{Matting, User, Cat, Setting};
use App\Exports\MattingExport;
use Maatwebsite\Excel\Facades\Excel;
use Barryvdh\DomPDF\Facade\Pdf;
use Carbon\Carbon;
use Illuminate\Support\Facades\Gate;

class MattingReportController extends Controller
{
    public function index(Request $request)
    {
        // PERBAIKAN: Proteksi akses menggunakan matriks permission
        if (Gate::allows('check-access', ['matting_reports', 'read'])) {
            // Lanjut proses
        }

        // 1. Eager Loading Lengkap (Menjamin Sire/Dam/PIC/Kittens terload dengan efisien)
        $query = Matting::with(['sire', 'dam', 'pic', 'kittens.cat'])->withCount('kittens');

        // 2. Filter Nama Indukan (Sire atau Dam)
        if ($request->filled('parent_name')) {
            $name = $request->parent_name;
            $query->where(function($q) use ($name) {
                $q->whereHas('sire', fn($sq) => $sq->where('nama_kucing', 'like', "%{$name}%"))
                  ->orWhereHas('dam', fn($sq) => $sq->where('nama_kucing', 'like', "%{$name}%"));
            });
        }

        // 3. Filter Ras Dinamis
        if ($request->filled('ras')) {
            $ras = $request->ras;
            $query->where(function($q) use ($ras) {
                $q->whereHas('sire', fn($sq) => $sq->where('ras', $ras))
                  ->orWhereHas('dam', fn($sq) => $sq->where('ras', $ras));
            });
        }

        // 4. PERBAIKAN: Filter Registry (Mendukung Multiple Choice ICA, CFA, dll)
        if ($request->filled('registry')) {
            $reg = is_array($request->registry) ? $request->registry : [$request->registry];
            $query->where(function($q) use ($reg) {
                $q->whereIn('registry', $reg) // Cek di table matting
                  ->orWhereHas('sire', fn($sq) => $sq->whereIn('registry', $reg)) // Cek di table cats (sire)
                  ->orWhereHas('dam', fn($sq) => $sq->whereIn('registry', $reg)); // Cek di table cats (dam)
            });
        }

        // 5. Filter Periode Perkawinan
        if ($request->filled('start_date') && $request->filled('end_date')) {
            $query->whereBetween('tgl_kawin_awal', [
                Carbon::parse($request->start_date)->startOfDay(),
                Carbon::parse($request->end_date)->endOfDay()
            ]);
        }

        // 6. Filter Status Induk Betina
        if ($request->filled('status')) {
            $status = $request->status;
            $query->whereHas('dam', fn($q) => $q->where('status', $status));
        }

        // 7. Handle Export
        if ($request->filled('export')) {
            $data = $query->latest()->get();
            return $this->processExport($data, $request->export);
        }

        // 8. Eksekusi dengan Pagination
        $mattings = $query->latest()->paginate(15)->withQueryString();

        // 9. Data Pendukung UI (Mengambil data unik dari database agar dropdown akurat)
        $breeds = Cat::distinct()->whereNotNull('ras')->pluck('ras');
        $registries = ['ICA', 'CFA', 'WCF', 'FFF', 'LOOF'];
        $statuses = ['Breeding', 'Hamil', 'Teradopsi', 'RIP'];

        return view('pages.reports.matting.index', compact(
            'mattings', 'breeds', 'registries', 'statuses'
        ));
    }

    protected function processExport($data, $format)
    {
        $fileName = "Lineage_Report_" . now()->format('Ymd_His');

        if ($format === 'xlsx') {
            return Excel::download(new MattingExport($data), "{$fileName}.xlsx");
        }

        // Penyempurnaan PDF: Tambahkan opsi font dan akses file lokal
        $pdf = Pdf::loadView('pages.reports.matting.pdf', [
            'data' => $data,
            'setting' => Setting::pluck('value', 'key') 
        ]);

        return $pdf->setPaper('a4', 'landscape')
                   ->setOption([
                       'tempDir' => public_path(),
                       'chroot'  => public_path(),
                       'isHtml5ParserEnabled' => true,
                       'isRemoteEnabled' => true, // Penting agar gambar dari storage muncul di PDF
                   ])
                   ->setWarnings(false)
                   ->download("{$fileName}.pdf");
    }

    public function show($id)
    {
        // Eager loading mendalam: load sire/dam (untuk foto), pic (registrar), dan kittens
        $matting = Matting::with(['sire', 'dam', 'pic', 'kittens.cat'])->findOrFail($id);
        
        return view('pages.reports.matting.show', compact('matting'));
    }
}