<?php

namespace App\Http\Controllers\Activity;

use App\Http\Controllers\Controller;
use App\Models\Adaptation;
use Illuminate\Http\Request;
use App\Models\KegiatanAdaptasi;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Auth;
use Barryvdh\DomPDF\Facade\Pdf;

class FormAdaptasiController extends Controller
{
    public function thankYou(string $id)
    {
        $user = Auth::user();
        $km = KegiatanAdaptasi::findOrFail($id);

        $data = [
            'oleh'      => $user ? $user->name : 'Guest',
            'waktu'     => $km->created_at->translatedFormat('l, d F Y, H:i'),
            'nama'      => $km->nama_kegiatan,
            'tahun'     => $km->tahun_kegiatan,
            'sektor'    => $km->sektor,
            'subsektor' => $km->sub_sektor,
            'target'    => $km->target,
            'satuan'    => $km->satuan,
            'penurunan' => $km->emission_factor,
        ];

        return view('form.index-adaptasi-thankyou', compact('data', 'km'));
    }

    public function downloadPDF(string $id)
    {
        $user = Auth::user();
        $km = KegiatanAdaptasi::findOrFail($id);

        $data = [
            'oleh'      => $user ? $user->name : 'Guest',
            'waktu'     => $km->created_at->translatedFormat('l, d F Y, H:i'),
            'nama'      => $km->nama_kegiatan,
            'tahun'     => $km->tahun_kegiatan,
            'sektor'    => $km->sektor,
            'subsektor' => $km->sub_sektor,
            'target'    => $km->target,
            'satuan'    => $km->satuan,
            'penurunan' => $km->emission_factor,
        ];

        $pdf = PDF::loadView('form.index-adaptasi.pdf', compact('data'))
                    ->setPaper('a4', 'portrait');
        
        return $pdf->download('bukti-submission-'.$km->nama_kegiatan.'.pdf');
    }

    public function view(string $id)
    {
        $ka = KegiatanAdaptasi::findOrFail($id);
        $sessionData = [
            'adaptation_id'              => $ka->adaptation_id,
            'nama_kegiatan'              => $ka->nama_kegiatan,
            'tahun_kegiatan'             => $ka->tahun_kegiatan,
            'sektor'                     => $ka->sektor,
            'sub_sektor'                 => $ka->sub_sektor,
            'kategori_aksi'              => $ka->kategori_aksi,
            // 'jenis_aksi'                 => $ka->jenis_aksi,
            // 'aksi'                       => $ka->aksi,
            'pelaksana_kegiatan'         => $ka->pelaksana_kegiatan,
            'lokasi_kegiatan'            => $ka->lokasi_kegiatan,
            'waktu_kegiatan'             => $ka->waktu_kegiatan,
            'dokumen'                    => $ka->dokumen,
            'alokasi_apbn'               => $ka->alokasi_apbn,
            'alokasi_apbd'               => $ka->alokasi_apbd,
            'alokasi_swasta'             => $ka->alokasi_swasta,
            'alokasi_sumber_dana_lain'   => $ka->alokasi_sumber_dana_lain,
            'realisasi_apbn'             => $ka->realisasi_apbn,
            'realisasi_apbd'             => $ka->realisasi_apbd,
            'realisasi_swasta'           => $ka->realisasi_swasta,
            'realisasi_sumber_dana_lain' => $ka->realisasi_sumber_dana_lain,
            'detail_kegiatan'            => $ka->detail_kegiatan,
        ];

        return view('form.index-adaptasi-view', [
            'sessionData' => $sessionData,
            'id'          => $id,
        ]);
    }

    public function edit(string $id, Request $request)
    {
        $ka = KegiatanAdaptasi::findOrFail($id);
        $sessionData = [
            'adaptation_id'              => $ka->adaptation_id,
            'nama_kegiatan'              => $ka->nama_kegiatan,
            'tahun_kegiatan'             => $ka->tahun_kegiatan,
            'sektor'                     => $ka->sektor,
            'sub_sektor'                 => $ka->sub_sektor,
            'kategori_aksi'              => $ka->kategori_aksi,
            // 'jenis_aksi'                 => $ka->jenis_aksi,
            // 'aksi'                       => $ka->aksi,
            'pelaksana_kegiatan'         => $ka->pelaksana_kegiatan,
            'lokasi_kegiatan'            => $ka->lokasi_kegiatan,
            'waktu_kegiatan'             => $ka->waktu_kegiatan,
            'dokumen'                    => $ka->dokumen,
            'alokasi_apbn'               => $ka->alokasi_apbn,
            'alokasi_apbd'               => $ka->alokasi_apbd,
            'alokasi_swasta'             => $ka->alokasi_swasta,
            'alokasi_sumber_dana_lain'   => $ka->alokasi_sumber_dana_lain,
            'realisasi_apbn'             => $ka->realisasi_apbn,
            'realisasi_apbd'             => $ka->realisasi_apbd,
            'realisasi_swasta'           => $ka->realisasi_swasta,
            'realisasi_sumber_dana_lain' => $ka->realisasi_sumber_dana_lain,
            'detail_kegiatan'            => $ka->detail_kegiatan,
        ];

        $request->session()->put('kegiatan_adaptasi', $sessionData);

        $startYear = 200;
        $currentYear = now()->year;
        $years       = range($startYear, $currentYear);
        rsort($years);

        $sectors     = KegiatanAdaptasi::distinct()->pluck('sektor')->toArray();

        return view('form.index-adaptasi-edit', [
            'sessionData' => $sessionData,
            'years'       => $years,
            'currentYear' => $currentYear,
            'sectors'     => $sectors,
            'adaptation'  => $ka,
            'readonly'    => false
        ]);
    }

    public function create(Request $request)
    {
        if ($request->has('reset')) {
            $request->session()->forget('kegiatan_adaptasi');
        }
        $sessionData = $request->session()->get('kegiatan_adaptasi', []);

        $startYear = 2000;
        $currentYear = date('Y');
        $years = range($startYear, $currentYear);
        rsort($years);

        return view('form.index-adaptasi', compact('sessionData', 'years', 'currentYear'));
    }

    public function update(Request $request, $id)
    {
        $kegiatanAdaptasi = KegiatanAdaptasi::findOrFail($id);

        $sessionData = $request->session()->get('kegiatan_adaptasi');
        if (empty($sessionData)) {
            return response()->json([
                'success' => false,
                'message' => 'Data tidak lengkap, silakan lengkapi semua bagian.'
            ]);
        }

        try {
            DB::transaction(function() use ($sessionData, $request, $kegiatanAdaptasi) {
                $kegiatanAdaptasi->update([
                    'adaptation_id'              => $sessionData['adaptation_id'] ?? null,
                    'nama_kegiatan'              => $sessionData['nama_kegiatan'] ?? null,
                    'tahun_kegiatan'             => $sessionData['tahun_kegiatan'] ?? null,
                    'sektor'                     => $sessionData['sektor'] ?? null,
                    'sub_sektor'                 => $sessionData['sub_sektor'] ?? null,
                    'kategori_aksi'              => $sessionData['kategori_aksi'] ?? null,
                    // 'jenis_aksi'                 => $sessionData['jenis_aksi'] ?? null,
                    // 'aksi'                       => $sessionData['aksi'] ?? null,
                    'pelaksana_kegiatan'         => $sessionData['pelaksana_kegiatan'] ?? null,
                    'lokasi_kegiatan'            => $sessionData['lokasi_kegiatan'] ?? null,
                    'waktu_kegiatan'             => $sessionData['waktu_kegiatan'] ?? null,
                    'dokumen'                    => $sessionData['dokumen'] ?? null,
                    'alokasi_apbn'               => $sessionData['alokasi_apbn'] ?? null,
                    'alokasi_apbd'               => $sessionData['alokasi_apbd'] ?? null,
                    'alokasi_swasta'             => $sessionData['alokasi_swasta'] ?? null,
                    'alokasi_sumber_dana_lain'   => $sessionData['alokasi_sumber_dana_lain'] ?? null,
                    'realisasi_apbn'             => $sessionData['realisasi_apbn'] ?? null,
                    'realisasi_apbd'             => $sessionData['realisasi_apbd'] ?? null,
                    'realisasi_swasta'           => $sessionData['realisasi_swasta'] ?? null,
                    'realisasi_sumber_dana_lain' => $sessionData['realisasi_sumber_dana_lain'] ?? null,
                    'detail_kegiatan'            => $request['detail_kegiatan'] ?? $sessionData['detail_kegiatan'],
                    'updated_by'                 => auth()->check() ? auth()->user()->name : null,
                ]);

                $request->session()->forget('kegiatan_adaptasi');
            });

            return response()->json([
                'success' => true,
                'redirect' => route('formAdaptasi.thankYou', $id),
            ]);
        } catch(\Exception $e) {
            Log::error('Error updating data: ' . $e->getMessage());
            return back()->with('error', 'Gagal mengupdate data. Silakan coba lagi.');
        }
    }

    public function storePart1(Request $request)
    {
        $validated = $request->validate([
            'nama_kegiatan' => 'required|string',
            'tahun_kegiatan' => 'required|integer|min:2000|max:' . date('Y'),
            'sektor' => 'required|string',
            'sub_sektor' => 'required|string',
            'kategori_aksi' => 'required|string',
            // 'jenis_aksi' => 'required|string',
            // 'aksi' => 'required|string',
            'pelaksana_kegiatan' => 'nullable|string',
            'lokasi_kegiatan' => 'nullable|string',
            'waktu_kegiatan' => 'nullable|string',
            'dokumen' => 'nullable|string',
            'adaptation_id' => 'required|string'
        ]);

        $sessionData = $request->session()->get('kegiatan_adaptasi');
        $sessionArray = is_object($sessionData) ? $sessionData->toArray() : (array) $sessionData;
        $mergedData = array_merge($sessionArray, $validated);

        $request->session()->put('kegiatan_adaptasi', $mergedData);

        return response()->json(['success' => true]);
    }

    public function storePart2(Request $request)
    {
        $validated = $request->validate([
            'alokasi_apbn' => 'nullable|string',
            'alokasi_apbd' => 'nullable|string',
            'alokasi_swasta' => 'nullable|string',
            'alokasi_sumber_dana_lain' => 'nullable|string',
            'realisasi_apbn' => 'nullable|string',
            'realisasi_apbd' => 'nullable|string',
            'realisasi_swasta' => 'nullable|string',
            'realisasi_sumber_dana_lain' => 'nullable|string'
        ]);

        $sessionData = $request->session()->get('kegiatan_adaptasi');
        
        if(!$sessionData) {
            return response()->json(['success' => false, 'message' => 'Silakan lengkapi bagian Informasi Umum terlebih dahulu']);
        }

        $updatedData = array_merge($sessionData, $validated);
        
        $request->session()->put('kegiatan_adaptasi', $updatedData);
        return response()->json(['success' => true]);
    }

    public function storeFinal(Request $request)
    {
        $sessionData = $request->session()->get('kegiatan_adaptasi');

        if (empty($sessionData)) {
            return response()->json([
                'success' => false,
                'message' => 'Silakan lengkapi semua bagian terlebih dahulu'
            ]);
        }

        try {
            $adaptasiId = Str::uuid()->toString();

            DB::transaction(function() use ($sessionData, $request, $adaptasiId) {
                // 1️⃣ Create master record
                KegiatanAdaptasi::create([
                    'id'                         => $adaptasiId,
                    'adaptation_id'              => $sessionData['adaptation_id'] ?? null,
                    'nama_kegiatan'              => $sessionData['nama_kegiatan'] ?? null,
                    'tahun_kegiatan'             => $sessionData['tahun_kegiatan'] ?? null,
                    'sektor'                     => $sessionData['sektor'] ?? null,
                    'sub_sektor'                 => $sessionData['sub_sektor'] ?? null,
                    'kategori_aksi'              => $sessionData['kategori_aksi'] ?? null,
                    // 'jenis_aksi'                 => $sessionData['jenis_aksi'] ?? null,
                    // 'aksi'                       => $sessionData['aksi'] ?? null,
                    'pelaksana_kegiatan'         => $sessionData['pelaksana_kegiatan'] ?? null,
                    'lokasi_kegiatan'            => $sessionData['lokasi_kegiatan'] ?? null,
                    'waktu_kegiatan'             => $sessionData['waktu_kegiatan'] ?? null,
                    'dokumen'                    => $sessionData['dokumen'] ?? null,
                    'alokasi_apbn'               => $sessionData['alokasi_apbn'] ?? null,
                    'alokasi_apbd'               => $sessionData['alokasi_apbd'] ?? null,
                    'alokasi_swasta'             => $sessionData['alokasi_swasta'] ?? null,
                    'alokasi_sumber_dana_lain'   => $sessionData['alokasi_sumber_dana_lain'] ?? null,
                    'realisasi_apbn'             => $sessionData['realisasi_apbn'] ?? null,
                    'realisasi_apbd'             => $sessionData['realisasi_apbd'] ?? null,
                    'realisasi_swasta'           => $sessionData['realisasi_swasta'] ?? null,
                    'realisasi_sumber_dana_lain' => $sessionData['realisasi_sumber_dana_lain'] ?? null,
                    'detail_kegiatan'            => $sessionData['detail_kegiatan'] ?? $request->input('detail_kegiatan'),
                    'created_by'                 => auth()->check() ? auth()->user()->name : null,
                ]);

                // bersihkan session setelah sukses
                $request->session()->forget('kegiatan_adaptasi');
            });

            return response()->json([
                'success'  => true,
                'redirect' => route('formAdaptasi.thankYou', $adaptasiId),
            ]);
        } catch (\Exception $e) {
            Log::error('Error storing final data: ' . $e->getMessage());
            return back()->with('error', 'Gagal menyimpan data. Silakan coba lagi.');
        }
    }


    public function getSectors()
    {
        $query = Adaptation::select('sector')
            ->where('is_active', true)
            ->distinct();
        $result = $query->pluck('sector');

        return response()->json($result);
    }

    public function getSubSectors(Request $request)
    {
        $param = $request->input('sector');

        $query = Adaptation::select('sub_sector')
            ->where('sector', $param)
            ->where('is_active', true)
            ->distinct();
        $result = $query->pluck('sub_sector');

        return response()->json($result);
    }

    public function getKategoriAksi(Request $request)
    {
        $param = $request->input('sub_sector');
        $param2 = $request->input('sector');

        $query = Adaptation::select('id','kategori_aksi')
            ->where('sub_sector', $param)
            ->where('sector', $param2)
            ->where('is_active', true)
            ->distinct()
            ->get();

        // kirim langsung object, jangan pluck
        return response()->json($query);
    }


    public function getJenisAksi(Request $request)
    {
        $param = $request->input('sub_sector');
        $param2 = $request->input('sector');
        $param3 = $request->input('kategori');

        $query = Adaptation::select('jenis_aksi')
             ->where('sub_sector', $param)
            ->where('sector', $param2)
            ->where('kategori_aksi', $param3)
            ->where('is_active', true)
            ->distinct()->get();
        $result = $query->pluck('jenis_aksi');
        
        return response()->json($result);
    }

    public function getAksi(Request $request)
    {
        $param = $request->input('sub_sector');
        $param2 = $request->input('sector');
        $param3 = $request->input('kategori');
        $param4 = $request->input('jenis');

        $query = Adaptation::select('id', 'aksi')
             ->where('sub_sector', $param)
            ->where('sector', $param2)
            ->where('kategori_aksi', $param3)
            ->where('jenis_aksi', $param4)
            ->where('is_active', true)
            ->distinct('aksi')->get();
        
        return response()->json($query);
    }
}