<?php

namespace App\Http\Controllers\Web\Dashboard;

use App\Enums\KeparahanSerangan;
use App\Enums\PenyakitTanaman;
use App\Enums\PraktikBudidaya\PemberianPupuk;
use App\Enums\SeranganHama;
use App\Enums\SosialEkonomi\StatusKepemilikanLahanSosialEkonomi;
use App\Http\Controllers\Controller;
use App\Models\Pertanian\Komoditas;
use App\Models\Pertanian\Lahan;
use App\Models\Pertanian\Petani;
use App\Models\Pertanian\PraktikBudidaya;
use App\Models\Pertanian\Produksi;
use App\Models\Pertanian\SkorPetani;
use App\Models\Pertanian\SosialEkonomi;
use App\Models\Pertanian\SurveyProduktivitas;
use App\Models\Wilayah\DesaKelurahan;
use App\Models\Wilayah\KabupatenKota;
use App\Models\Wilayah\Kecamatan;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class IndikatorPertanianController extends Controller
{
    public function index(Request $request)
    {
        $kabupatenOptions = $this->kabupatenOptions();
        $ngadaOption = collect($kabupatenOptions)->first(
            fn ($option) => str_contains(strtolower($option['label']), 'ngada')
        );
        $initialFilters = $this->selectedFilters($request, $ngadaOption['value'] ?? 'all');

        $totalPetani = $this->applyPetaniFilters(Petani::query(), $initialFilters)->count();
        $totalLuasLahan = ((float) $this->applyLahanFilters(Lahan::query(), $initialFilters)->sum('luas_lahan')) / 10000;
        $rataRataLuasLahan = $totalPetani > 0
            ? $totalLuasLahan / $totalPetani
            : 0;
        $totalProduksiKg = $this->totalProduksiKg($initialFilters);
        $rataRataProduksiKg = $totalPetani > 0
            ? $totalProduksiKg / $totalPetani
            : 0;
        $rataRataProduktivitas = $totalLuasLahan > 0
            ? $totalProduksiKg / $totalLuasLahan
            : 0;

        $filterOptions = [
            [
                'key' => 'kabupaten',
                'label' => 'Kabupaten',
                'options' => $kabupatenOptions,
                'icon' => 'tabler-map-pin',
                'readonly' => true,
            ],
            [
                'key' => 'kecamatan',
                'label' => 'Kecamatan',
                'options' => $this->kecamatanOptions(),
            ],
            [
                'key' => 'desa',
                'label' => 'Desa',
                'options' => $this->desaOptions(),
            ],
            [
                'key' => 'komoditas',
                'label' => 'Komoditas',
                'options' => $this->komoditasOptions(),
            ],
            [
                'key' => 'segmentasi',
                'label' => 'Segmentasi',
                'options' => $this->segmentasiOptions(),
            ],
        ];

        $summaryData = [
            [
                'value' => number_format($totalPetani, 0, ',', '.'),
                'label' => 'Petani Terdata',
                'description' => 'Total petani yang masuk sistem',
                'icon' => 'tabler-users',
                'variant' => 'primary',
            ],
            [
                'value' => number_format($totalLuasLahan, 2, ',', '.').' ha',
                'label' => 'Total Luas Lahan',
                'description' => 'Rata-rata '.number_format($rataRataLuasLahan, 2, ',', '.').' ha/petani',
                'icon' => 'tabler-mountain',
                'variant' => 'success',
            ],
            [
                'value' => number_format($totalProduksiKg, 0, ',', '.').' kg',
                'label' => 'Total Produksi (Semua Komoditas)',
                'description' => 'Rata-rata '.number_format($rataRataProduksiKg, 0, ',', '.').' kg/petani',
                'icon' => 'tabler-wheat',
                'variant' => 'warning',
            ],
            [
                'value' => number_format($rataRataProduktivitas, 0, ',', '.').' kg/ha',
                'label' => 'Rata-rata Produktivitas',
                'description' => 'Semua komoditas berdasarkan total produksi dan luas lahan',
                'icon' => 'tabler-chart-bar',
                'variant' => 'info',
            ],
        ];

        return view('dashboard.indikator-pertanian', [
            'title' => 'Indikator Pertanian',
            'initialFilters' => $initialFilters,
            'filterOptions' => $filterOptions,
            'summaryData' => $summaryData,
            'chartData' => [
                'petaniPerKomoditas' => $this->petaniPerKomoditasChart($initialFilters),
                'luasLahanPerKecamatan' => $this->luasLahanPerKecamatanChart($initialFilters),
                'kondisiTanaman' => $this->kondisiTanamanChart($initialFilters),
                'statusKepemilikanLahan' => $this->statusKepemilikanLahanChart($initialFilters),
                'seranganHama' => $this->seranganHamaChart($initialFilters),
                'penyakitTanaman' => $this->penyakitTanamanChart($initialFilters),
                'keparahanSerangan' => $this->keparahanSeranganChart($initialFilters),
                'statusHakKelolaLahan' => $this->statusHakKelolaLahanChart($initialFilters),
                'praktikPemupukan' => $this->praktikPemupukanChart($initialFilters),
                'produksiPerKomoditas' => $this->produksiPerKomoditasChart($initialFilters),
                'produktivitasPerKomoditas' => $this->produktivitasPerKomoditasChart($initialFilters),
                'luasPanenPerKomoditas' => $this->luasPanenPerKomoditasChart($initialFilters),
                'statusPanen' => $this->statusPanenChart($initialFilters),
                'surveyProduktivitasHa' => $this->surveyProduktivitasByUnitChart($initialFilters, 'ha_tahun'),
                'surveyProduktivitasPohon' => $this->surveyProduktivitasByUnitChart($initialFilters, 'pohon_tahun'),
            ],
        ]);
    }

    private function selectedFilters(Request $request, string $defaultKabupaten): array
    {
        $filters = [
            'kabupaten' => $defaultKabupaten,
            'kecamatan' => $this->validFilterValue($request->query('kecamatan'), Kecamatan::class),
            'desa' => $this->validFilterValue($request->query('desa'), DesaKelurahan::class),
            'komoditas' => $this->validFilterValue($request->query('komoditas'), Komoditas::class),
            'segmentasi' => $this->validSegmentasi((string) $request->query('segmentasi', 'all')),
        ];

        if ($filters['desa'] !== 'all') {
            $desa = DesaKelurahan::query()->find($filters['desa']);

            if (! $desa || ($filters['kecamatan'] !== 'all' && (string) $desa->kecamatan_id !== $filters['kecamatan'])) {
                $filters['desa'] = 'all';
            }
        }

        if ($filters['kecamatan'] === 'all') {
            $filters['desa'] = 'all';
        }

        return $filters;
    }

    private function validFilterValue(mixed $value, string $modelClass): string
    {
        if (! $value || $value === 'all') {
            return 'all';
        }

        return $modelClass::query()->whereKey($value)->exists()
            ? (string) $value
            : 'all';
    }

    private function validSegmentasi(string $value): string
    {
        return in_array($value, [
            'Penggerak',
            'Perintis',
            'Pemerhati',
            'Pemula',
            'Belum tersegmentasi',
            'all',
        ], true) ? $value : 'all';
    }

    private function kabupatenOptions(): array
    {
        return $this->withAllOption(
            'Semua Kabupaten',
            KabupatenKota::query()
                ->orderBy('nama')
                ->get(['id', 'kode', 'nama'])
                ->map(fn (KabupatenKota $kabupaten) => [
                    'value' => (string) $kabupaten->id,
                    'label' => $this->kabupatenLabel($kabupaten),
                ])
                ->values()
                ->all()
        );
    }

    private function kecamatanOptions(): array
    {
        return $this->withAllOption(
            'Semua Kecamatan',
            Kecamatan::query()
                ->orderBy('nama')
                ->get(['id', 'nama'])
                ->map(fn (Kecamatan $kecamatan) => [
                    'value' => (string) $kecamatan->id,
                    'label' => $kecamatan->nama,
                ])
                ->values()
                ->all()
        );
    }

    private function desaOptions(): array
    {
        return $this->withAllOption(
            'Semua Desa',
            DesaKelurahan::query()
                ->orderBy('nama')
                ->get(['id', 'nama', 'kecamatan_id'])
                ->map(fn (DesaKelurahan $desa) => [
                    'value' => (string) $desa->id,
                    'label' => $desa->nama,
                    'parent' => (string) $desa->kecamatan_id,
                ])
                ->values()
                ->all()
        );
    }

    private function komoditasOptions(): array
    {
        return $this->withAllOption(
            'Semua Komoditas',
            Komoditas::query()
                ->orderBy('nama')
                ->get(['id', 'nama'])
                ->map(fn (Komoditas $komoditas) => [
                    'value' => (string) $komoditas->id,
                    'label' => $komoditas->nama,
                ])
                ->values()
                ->all()
        );
    }

    private function segmentasiOptions(): array
    {
        // Aggregate bucket counts in SQL instead of pulling every skor_kesiapan_adopsi
        // value into PHP just to map/filter/unique it.
        $row = SkorPetani::query()->selectRaw("
            COUNT(*) FILTER (WHERE skor_kesiapan_adopsi >= 4) as penggerak,
            COUNT(*) FILTER (WHERE skor_kesiapan_adopsi >= 3 AND skor_kesiapan_adopsi < 4) as perintis,
            COUNT(*) FILTER (WHERE skor_kesiapan_adopsi >= 2 AND skor_kesiapan_adopsi < 3) as pemerhati,
            COUNT(*) FILTER (WHERE skor_kesiapan_adopsi >= 1 AND skor_kesiapan_adopsi < 2) as pemula,
            COUNT(*) FILTER (WHERE skor_kesiapan_adopsi IS NOT NULL AND skor_kesiapan_adopsi < 1) as belum_tersegmentasi
        ")->first();

        $order = [
            'Penggerak' => $row->penggerak,
            'Perintis' => $row->perintis,
            'Pemerhati' => $row->pemerhati,
            'Pemula' => $row->pemula,
            'Belum tersegmentasi' => $row->belum_tersegmentasi,
        ];

        $segments = collect($order)
            ->filter(fn ($count) => $count > 0)
            ->keys()
            ->map(fn ($segment) => [
                'value' => $segment,
                'label' => $segment,
            ])
            ->values()
            ->all();

        return $this->withAllOption('Semua Segmentasi', $segments);
    }

    private function totalProduksiKg(array $filters): float
    {
        $expr = $this->kgCaseExpr('jumlah_panen', 'satuan');

        return (float) ($this->applyProduksiFilters(Produksi::query(), $filters)
            ->whereNotNull('jumlah_panen')
            ->selectRaw("SUM({$expr}) as total")
            ->value('total') ?? 0);
    }

    private function petaniPerKomoditasChart(array $filters): array
    {
        $rows = $this->applyPetaniFilters(Petani::query(), $filters)
            ->leftJoin('master_komoditas as k', 'k.id', '=', 'petani.komoditas_id')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw('COUNT(petani.id) as total')
            ->groupBy('k.id', 'k.nama')
            ->orderByDesc('total')
            ->get();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => (int) $value)->values()->all(),
        ];
    }

    private function luasLahanPerKecamatanChart(array $filters): array
    {
        $rows = $this->applyLahanFilters(Lahan::query(), $filters)
            ->leftJoin('master_desa_kelurahan as d', 'd.id', '=', 'map_lahan.desa_kelurahan_id')
            ->leftJoin('master_kecamatan as k', 'k.id', '=', 'd.kecamatan_id')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw('SUM(map_lahan.luas_lahan) / 10000 as total')
            ->groupBy('k.id', 'k.nama')
            ->havingRaw('SUM(map_lahan.luas_lahan) > 0')
            ->orderByDesc('total')
            ->limit(8)
            ->get()
            ->filter(fn ($row) => round((float) $row->total, 2) > 0)
            ->values();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => round((float) $value, 2))->values()->all(),
        ];
    }

    private function kondisiTanamanChart(array $filters): array
    {
        $rows = $this->applyTanamanTableFilters(DB::table('map_tanaman'), $filters)
            ->whereNull('map_tanaman.deleted_at')
            ->whereNotNull('map_tanaman.kondisi_tanaman')
            ->selectRaw('map_tanaman.kondisi_tanaman as label')
            ->selectRaw('COUNT(map_tanaman.id) as total')
            ->groupBy('map_tanaman.kondisi_tanaman')
            ->orderByDesc('total')
            ->get();

        if ($rows->isEmpty()) {
            $rows = $this->applyLahanFilters(Lahan::query(), $filters)
                ->whereNull('deleted_at')
                ->whereNotNull('kondisi_tanaman')
                ->selectRaw('kondisi_tanaman as label')
                ->selectRaw('COUNT(map_lahan.id) as total')
                ->groupBy('kondisi_tanaman')
                ->orderByDesc('total')
                ->get();
        }

        return [
            'labels' => $rows->pluck('label')->map(fn ($label) => $this->shortEnumLabel((string) $label))->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => (int) $value)->values()->all(),
        ];
    }

    private function seranganHamaChart(array $filters): array
    {
        return $this->tanamanAttributeChart(
            $filters,
            'serangan_hama',
            fn ($label) => $this->enumLabel(SeranganHama::class, (string) $label)
        );
    }

    private function penyakitTanamanChart(array $filters): array
    {
        return $this->tanamanAttributeChart(
            $filters,
            'penyakit_tanaman',
            fn ($label) => $this->enumLabel(PenyakitTanaman::class, (string) $label)
        );
    }

    private function keparahanSeranganChart(array $filters): array
    {
        return $this->tanamanAttributeChart(
            $filters,
            'keparahan_serangan',
            fn ($label) => $this->keparahanSeranganLabel((string) $label)
        );
    }

    private function statusKepemilikanLahanChart(array $filters): array
    {
        $rows = $this->applyLahanFilters(Lahan::query(), $filters)
            ->whereNotNull('status_kepemilikan')
            ->selectRaw('status_kepemilikan as label')
            ->selectRaw('COUNT(map_lahan.id) as total')
            ->groupBy('status_kepemilikan')
            ->orderByDesc('total')
            ->get();

        return $this->chartFromRows($rows, fn ($label) => $this->shortEnumLabel((string) $label));
    }

    private function statusHakKelolaLahanChart(array $filters): array
    {
        $rows = $this->applySosialEkonomiFilters(SosialEkonomi::query(), $filters)
            ->whereNotNull('status_kepemilikan_lahan')
            ->selectRaw('status_kepemilikan_lahan as label')
            ->selectRaw('COUNT(sosial_ekonomi.id) as total')
            ->groupBy('status_kepemilikan_lahan')
            ->orderByDesc('total')
            ->get();

        return $this->chartFromRows(
            $rows,
            fn ($label) => $this->enumLabel(StatusKepemilikanLahanSosialEkonomi::class, (string) $label)
        );
    }

    private function praktikPemupukanChart(array $filters): array
    {
        $rows = $this->applyPraktikBudidayaFilters(PraktikBudidaya::query(), $filters)
            ->whereNotNull('pemberian_pupuk')
            ->selectRaw('pemberian_pupuk as label')
            ->selectRaw('COUNT(praktik_budidaya.id) as total')
            ->groupBy('pemberian_pupuk')
            ->orderBy('pemberian_pupuk')
            ->get();

        return $this->chartFromRows(
            $rows,
            fn ($label) => $this->pemberianPupukLabel((int) $label)
        );
    }

    private function produksiPerKomoditasChart(array $filters): array
    {
        $expr = $this->kgCaseExpr('produksi.jumlah_panen', 'produksi.satuan');

        $rows = $this->applyProduksiFilters(Produksi::query(), $filters)
            ->leftJoin('master_komoditas as k', 'k.id', '=', 'produksi.komoditas_id')
            ->whereNotNull('jumlah_panen')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw("SUM({$expr}) as total")
            ->groupBy('k.id', 'k.nama')
            ->get()
            ->filter(fn ($row) => round((float) $row->total, 2) > 0)
            ->sortByDesc('total')
            ->values();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => round((float) $value, 2))->values()->all(),
        ];
    }

    private function produktivitasPerKomoditasChart(array $filters): array
    {
        $expr = $this->kgCaseExpr('produksi.jumlah_panen', 'produksi.satuan');

        $rows = $this->applyProduksiFilters(Produksi::query(), $filters)
            ->leftJoin('master_komoditas as k', 'k.id', '=', 'produksi.komoditas_id')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw('AVG(produksi.produktivitas) FILTER (WHERE produksi.produktivitas > 0) as avg_prod')
            ->selectRaw("SUM({$expr}) as total_kg")
            ->selectRaw('SUM(produksi.luas_panen) as total_luas')
            ->groupBy('k.id', 'k.nama')
            ->get()
            ->map(function ($row) {
                $avgProd = (float) $row->avg_prod;
                $totalLuas = (float) $row->total_luas;
                $totalKg = (float) $row->total_kg;

                $value = $avgProd > 0
                    ? $avgProd
                    : ($totalLuas > 0 ? $totalKg / $totalLuas : 0);

                return (object) ['label' => $row->label, 'total' => round($value, 2)];
            })
            ->filter(fn ($row) => $row->total > 0)
            ->sortByDesc('total')
            ->values();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->values()->all(),
        ];
    }

    private function luasPanenPerKomoditasChart(array $filters): array
    {
        $rows = $this->applyProduksiFilters(Produksi::query(), $filters)
            ->leftJoin('master_komoditas as k', 'k.id', '=', 'produksi.komoditas_id')
            ->whereNotNull('luas_panen')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw('SUM(produksi.luas_panen) as total')
            ->groupBy('k.id', 'k.nama')
            ->havingRaw('SUM(produksi.luas_panen) > 0')
            ->orderByDesc('total')
            ->get();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => round((float) $value, 2))->values()->all(),
        ];
    }

    private function statusPanenChart(array $filters): array
    {
        $rows = $this->applyProduksiFilters(Produksi::query(), $filters)
            ->whereNotNull('status_panen')
            ->selectRaw("COALESCE(status_panen, 'Belum ditentukan') as label")
            ->selectRaw('COUNT(produksi.id) as total')
            ->groupBy('status_panen')
            ->orderByDesc('total')
            ->get();

        return $this->chartFromRows($rows, fn ($label) => $this->shortEnumLabel((string) $label));
    }

    private function surveyProduktivitasByUnitChart(array $filters, string $unit): array
    {
        $rows = $this->applySurveyProduktivitasFilters(SurveyProduktivitas::query(), $filters)
            ->leftJoin('master_komoditas as k', 'k.id', '=', 'survey_produktivitas.komoditas_id')
            ->where('satuan', $unit)
            ->whereNotNull('kuantitas')
            ->selectRaw("COALESCE(k.nama, 'Belum ditentukan') as label")
            ->selectRaw('AVG(survey_produktivitas.kuantitas) as total')
            ->groupBy('k.id', 'k.nama')
            ->havingRaw('AVG(survey_produktivitas.kuantitas) > 0')
            ->orderByDesc('total')
            ->get();

        return [
            'labels' => $rows->pluck('label')->values()->all(),
            'series' => $rows->pluck('total')->map(fn ($value) => round((float) $value, 2))->values()->all(),
        ];
    }

    private function chartFromRows($rows, callable $labelResolver): array
    {
        return [
            'labels' => $rows
                ->pluck('label')
                ->map(fn ($label) => $labelResolver($label))
                ->values()
                ->all(),
            'series' => $rows
                ->pluck('total')
                ->map(fn ($value) => (int) $value)
                ->values()
                ->all(),
        ];
    }

    private function tanamanAttributeChart(array $filters, string $field, callable $labelResolver): array
    {
        $qualifiedField = 'map_tanaman.'.$field;

        $rows = $this->applyTanamanTableFilters(DB::table('map_tanaman'), $filters)
            ->whereNull('map_tanaman.deleted_at')
            ->whereNotNull($qualifiedField)
            ->selectRaw($qualifiedField.' as label')
            ->selectRaw('COUNT(map_tanaman.id) as total')
            ->groupBy($qualifiedField)
            ->orderByDesc('total')
            ->get();

        if ($rows->isEmpty()) {
            $rows = $this->applyLahanFilters(Lahan::query(), $filters)
                ->whereNotNull($field)
                ->selectRaw($field.' as label')
                ->selectRaw('COUNT(map_lahan.id) as total')
                ->groupBy($field)
                ->orderByDesc('total')
                ->get();
        }

        return $this->chartFromRows($rows, $labelResolver);
    }

    private function applyPetaniFilters($query, array $filters)
    {
        return $query
            ->when($filters['kecamatan'] !== 'all', function ($query) use ($filters) {
                $query->whereHas('desaKelurahan', fn ($desa) => $desa->where('kecamatan_id', $filters['kecamatan']));
            })
            ->when($filters['desa'] !== 'all', fn ($query) => $query->where('desa_kelurahan_id', $filters['desa']))
            ->when($filters['komoditas'] !== 'all', fn ($query) => $query->where('komoditas_id', $filters['komoditas']))
            ->when($filters['segmentasi'] !== 'all', function ($query) use ($filters) {
                $query->whereHas('skor', function ($skor) use ($filters) {
                    $this->applySegmentasiRange($skor, $filters['segmentasi']);
                });
            });
    }

    private function applyLahanFilters($query, array $filters)
    {
        return $query
            ->when($filters['kecamatan'] !== 'all', function ($query) use ($filters) {
                $query->whereHas('desaKelurahan', fn ($desa) => $desa->where('kecamatan_id', $filters['kecamatan']));
            })
            ->when($filters['desa'] !== 'all', fn ($query) => $query->where('desa_kelurahan_id', $filters['desa']))
            ->when($filters['komoditas'] !== 'all', fn ($query) => $query->where('komoditas_id', $filters['komoditas']))
            ->when($filters['segmentasi'] !== 'all', function ($query) use ($filters) {
                $query->whereIn('petani_id', $this->segmentasiPetaniIdsQuery($filters['segmentasi']));
            });
    }

    private function applyProduksiFilters($query, array $filters)
    {
        return $query
            ->when($filters['kecamatan'] !== 'all' || $filters['desa'] !== 'all' || $filters['segmentasi'] !== 'all', function ($query) use ($filters) {
                $query->whereHas('lahan', function ($lahan) use ($filters) {
                    $this->applyLahanFilters($lahan, $filters);
                });
            })
            ->when($filters['komoditas'] !== 'all', fn ($query) => $query->where('komoditas_id', $filters['komoditas']));
    }

    private function applySosialEkonomiFilters($query, array $filters)
    {
        return $query->whereHas('petani', function ($petani) use ($filters) {
            $this->applyPetaniFilters($petani, $filters);
        });
    }

    private function applyPraktikBudidayaFilters($query, array $filters)
    {
        return $query->whereHas('petani', function ($petani) use ($filters) {
            $this->applyPetaniFilters($petani, $filters);
        });
    }

    private function applySurveyProduktivitasFilters($query, array $filters)
    {
        return $query
            ->whereHas('petani', function ($petani) use ($filters) {
                $this->applyPetaniFilters($petani, $filters);
            })
            ->when($filters['komoditas'] !== 'all', fn ($query) => $query->where('komoditas_id', $filters['komoditas']));
    }

    private function applyTanamanTableFilters($query, array $filters)
    {
        return $query
            ->leftJoin('map_lahan as l', 'l.id', '=', 'map_tanaman.lahan_id')
            ->when($filters['kecamatan'] !== 'all', function ($query) use ($filters) {
                $query
                    ->leftJoin('master_desa_kelurahan as d', 'd.id', '=', 'l.desa_kelurahan_id')
                    ->where('d.kecamatan_id', $filters['kecamatan']);
            })
            ->when($filters['desa'] !== 'all', fn ($query) => $query->where('l.desa_kelurahan_id', $filters['desa']))
            ->when($filters['komoditas'] !== 'all', fn ($query) => $query->where('map_tanaman.komoditas_id', $filters['komoditas']))
            ->when($filters['segmentasi'] !== 'all', function ($query) use ($filters) {
                $query->where(function ($query) use ($filters) {
                    $query
                        ->whereIn('map_tanaman.petani_id', $this->segmentasiPetaniIdsQuery($filters['segmentasi']))
                        ->orWhereIn('l.petani_id', $this->segmentasiPetaniIdsQuery($filters['segmentasi']));
                });
            });
    }

    private function segmentasiPetaniIdsQuery(string $segmentasi)
    {
        return Petani::query()
            ->select('id')
            ->whereHas('skor', function ($skor) use ($segmentasi) {
                $this->applySegmentasiRange($skor, $segmentasi);
            });
    }

    private function applySegmentasiRange($query, string $segmentasi)
    {
        return match ($segmentasi) {
            'Penggerak' => $query->where('skor_kesiapan_adopsi', '>=', 4),
            'Perintis' => $query->where('skor_kesiapan_adopsi', '>=', 3)->where('skor_kesiapan_adopsi', '<', 4),
            'Pemerhati' => $query->where('skor_kesiapan_adopsi', '>=', 2)->where('skor_kesiapan_adopsi', '<', 3),
            'Pemula' => $query->where('skor_kesiapan_adopsi', '>=', 1)->where('skor_kesiapan_adopsi', '<', 2),
            default => $query->where(function ($query) {
                $query->whereNull('skor_kesiapan_adopsi')->orWhere('skor_kesiapan_adopsi', '<', 1);
            }),
        };
    }

    /**
     * SQL CASE expression converting a jumlah/satuan pair to kilograms,
     * so aggregation happens in the database instead of pulling every
     * row of `produksi` into PHP to sum with toKilograms().
     */
    private function kgCaseExpr(string $jumlahColumn, string $satuanColumn): string
    {
        return "CASE LOWER({$satuanColumn})
            WHEN 'ton' THEN {$jumlahColumn} * 1000
            WHEN 'kuintal' THEN {$jumlahColumn} * 100
            WHEN 'kwintal' THEN {$jumlahColumn} * 100
            ELSE {$jumlahColumn}
        END";
    }

    private function shortEnumLabel(string $value): string
    {
        return str($value)
            ->replace('_', ' ')
            ->headline()
            ->toString();
    }

    private function enumLabel(string $enumClass, int|string $value): string
    {
        $case = $enumClass::tryFrom($value);

        if (! $case) {
            return $this->shortEnumLabel((string) $value);
        }

        return method_exists($case, 'label')
            ? $case->label()
            : $this->shortEnumLabel((string) $case->value);
    }

    private function keparahanSeranganLabel(string $value): string
    {
        return match (KeparahanSerangan::tryFrom($value)) {
            KeparahanSerangan::RINGAN => 'Ringan',
            KeparahanSerangan::SEDANG => 'Sedang',
            KeparahanSerangan::BERAT => 'Parah',
            default => $this->shortEnumLabel($value),
        };
    }

    private function pemberianPupukLabel(int $value): string
    {
        return match (PemberianPupuk::tryFrom($value)) {
            PemberianPupuk::TIDAK_PERNAH => 'Tidak pernah',
            PemberianPupuk::JENIS_DOSIS_WAKTU_TIDAK_MENENTU => 'Tidak menentu',
            PemberianPupuk::JENIS_SESUAI_DOSIS_TIDAK_MENENTU => 'Jenis sesuai',
            PemberianPupuk::JENIS_DOSIS_SESUAI_WAKTU_CUKUP_TEPAT => 'Cukup tepat',
            PemberianPupuk::JENIS_DOSIS_SESUAI_WAKTU_TEPAT => 'Tepat & rutin',
            default => $this->shortEnumLabel((string) $value),
        };
    }

    private function toKilograms(float $value, string $unit): float
    {
        return match (strtolower($unit)) {
            'ton' => $value * 1000,
            'kuintal', 'kwintal' => $value * 100,
            default => $value,
        };
    }

    private function withAllOption(string $label, array $options): array
    {
        return array_merge([
            [
                'value' => 'all',
                'label' => $label,
            ],
        ], $options);
    }

    private function kabupatenLabel(KabupatenKota $kabupaten): string
    {
        return preg_replace('/^(kabupaten|kota)\s+/i', '', $kabupaten->nama);
    }

    private function segmentLabel(float $score): string
    {
        return match (true) {
            $score >= 4.0 => 'Penggerak',
            $score >= 3.0 => 'Perintis',
            $score >= 2.0 => 'Pemerhati',
            $score >= 1.0 => 'Pemula',
            default => 'Belum tersegmentasi',
        };
    }
}