<?php

namespace App\Http\Controllers\Activity;

use App\Enums\ActivityType;
use App\Enums\LingkupAksesData;
use App\Exports\FormExport;
use App\Http\Controllers\Controller;
use App\Imports\FormImport;
use App\Models\ActivityApprovalKonsolidasi;
use App\Models\ActivityForm;
use App\Models\ActivityLock;
use App\Models\Agency;
use App\Models\LogUserActivity;
use App\Models\ReferenceUnit;
use App\Models\SettingForm;
use App\Models\SettingFormDetail;
use Illuminate\Http\Request;
use App\Services\Activity\FormService;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Routing\Controllers\HasMiddleware;
use Illuminate\Routing\Controllers\Middleware;
use Illuminate\Support\Facades\Auth;
use Maatwebsite\Excel\Facades\Excel;

class FormController implements HasMiddleware
{
    // protected $title = 'Common Reporting Format (CRF)';
    protected $template = 'modules.form';
    protected $route = 'modules.laporan.crf';
    protected $formService;

    public function __construct(FormService $formService)
    {
        $this->formService = $formService;
    }

    public static function middleware(): array
    {
        $sector = request()->route('sector');
        $code = request()->route('code');

        return [
            // //new Middleware('permission:/' . $sector . '/' . $code, except: ['getUserActivities']),
        ];
    }

    public function data($sector, $code, $inventoryYear, $instansi = null)
    {
        // Fetch the form from the database based on sector and code
        $form = SettingForm::rowActive()->where('sector', $sector)->where('code', $code)->first();

        if (!$form) {
            abort(404, 'Page not found');
        }

        // Fetch form details
        $formDetails = SettingFormDetail::rowActive()->where('form_code', $code)->orderByRowNum()->get();

        if ($instansi && $instansi != 'all' && $instansi != 'none') {
            $agency = Agency::where('name', $instansi)->rowActive()->first();
            $instansi = $agency ? $agency->id : null;
        }

        // get Agencies for produsen data mapping
        $user = Auth::user();
        $scope = $user->getScope();

        if ($scope === LingkupAksesData::INTERNAL->value) {
            $instansi = $user->agency_id;
        }

        $agencies = Agency::whereHas('agencyActivity', function ($query) use ($sector, $code, $scope, $user) {
            $query->where('form_sector', $sector)
                ->where('form_code', $code);

            if ($scope === LingkupAksesData::INTERNAL->value) {
                $query->where('agency_id', $user->agency_id);
            }
        })->get();

        // Fetch activity form and activity form details using service
        $activityForm = $this->formService->getActivityForm($sector, $code, $inventoryYear, $instansi);
        if ($instansi == 'all') {
            $activityFormId = $activityForm->pluck('id')->toArray();
        } else {
            $activityFormId = $activityForm->id ?? null;
        }

        $activityFormDetails = $this->formService->getActivityFormDetails($activityFormId, $instansi);

        // Fetch all units & set the mappings
        $allUnits = ReferenceUnit::rowActive()->get();
        $unitsMap = $allUnits->keyBy('code');
        $unitsByCategory = $allUnits->groupBy('category');

        // For Copy data feature
        // $availableYears = ActivityForm::select('inventory_year')->distinct()
        //     ->where('sector', $sector)->where('form_code', $code)->rowActive()
        //     ->orderBy('inventory_year', 'desc')->get()->pluck('inventory_year')->toArray();

        $isLocked = ActivityLock::isLocked($inventoryYear);
        $isApprove = false;
        if ($instansi && $instansi != 'all' && $instansi != 'none') {
            $isApprove = ActivityApprovalKonsolidasi::isApprove($activityFormId, $sector, $code, $inventoryYear, $instansi);
        }

        $internal = $instansi;

        return compact(
            'form',
            'formDetails',
            'activityForm',
            'activityFormDetails',
            'unitsMap',
            'unitsByCategory',
            'inventoryYear',
            'isLocked',
            'agencies',
            'internal',
            'isApprove'
        );
    }

    public function show($sector, $code)
    {
        // Filter by Year
        $inventoryYear = request('inventoryYear') ?? date('Y');
        $instansi = request('instansi') ?? null;

        // Retrieve data
        $data = $this->data($sector, $code, $inventoryYear, $instansi);

        return view($this->template.'.index', $data);
    }

    public function save(Request $request, $sector, $code)
    {
        $request->validate([
            'data' => 'required|array',
        ]);

        // Filter by Year
        $inventoryYear = $request->input('inventoryYear') ?? date('Y');
        $instansi = request('instansi') ?? null;
        if ($instansi && $instansi != 'all' && $instansi != 'none') {
            $agency = Agency::where('name', $instansi)->rowActive()->first();
            $instansi = $agency ? $agency->id : null;
        } else {
            $instansi = null;
        }

        $data = $request->input('data');
        $unitCodes = $request->input('unit_code');

        try {
            $this->formService->save($sector, $code, $inventoryYear, $data, $unitCodes, $instansi);
            return redirect()->back()->with('success', 'Data berhasil disimpan.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Data gagal disimpan. Mohon dicoba kembali.' . $e->getMessage()]);
        }
    }

    public function convertUnit(Request $request)
    {
        $fromUnit = $request->get('from');
        $toUnit = $request->get('to');
        $value = $request->get('value');

        $convertedValue = $this->formService->convertUnit($fromUnit, $toUnit, $value);

        if ($convertedValue !== null) {
            $output = getFormattedValue($convertedValue);
            return response()->json([
                'success' => true,
                'convertedValue' => $output,
            ]);
        }

        return response()->json([
            'success' => false,
            'message' => 'Konversi tidak ditemukan',
        ]);
    }

    public function import(Request $request, $sector, $code, $inventoryYear, $instansi = null)
    {
        $request->validate([
            'import_file' => 'required|file|mimes:xlsx,xls|max:2048', // Adjust max file size as needed
        ]);

        try {
            $formDetails = SettingFormDetail::where('form_code', $code)->rowActive()->orderByRowNum()->get();

            if ($instansi && $instansi != 'all' && $instansi != 'none') {
                $agency = Agency::where('name', $instansi)->rowActive()->first();
                $instansi = $agency ? $agency->id : null;
            } else {
                $instansi = null;
            }

            Excel::import(new FormImport($this->formService, $sector, $code, $inventoryYear, $formDetails, $instansi), $request->file('import_file'));

            return redirect()->back()->with('success', 'Data berhasil diimpor.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Data gagal diimpor. Mohon dicoba kembali.' . $e->getMessage()]);
        }
    }

    public function export($sector, $code, $inventoryYear, $instansi = null)
    {
        $data = $this->data($sector, $code, $inventoryYear, $instansi);
        $data['inventoryYear'] = $inventoryYear;
        $data['instansi'] = $instansi;

        $isTemplate = request('isTemplate') ?? false;
        $data['isTemplate'] = $isTemplate;

        $instansiTitle = ($instansi && $instansi != 'all' && $instansi != 'none') ? ' (' . $instansi . ')' : '';
        $titleExcel = $data['form']->name . ' ' . $inventoryYear . $instansiTitle;

        if ($isTemplate) {
            $titleExcel = 'Template ' . $titleExcel;
        } else {
            $titleExcel = 'Data Aktivitas ' . $titleExcel;
        }

        $data['titleExcel'] = $titleExcel;
        $fileName = $titleExcel . '.xlsx';

        return Excel::download(new FormExport($data), $fileName);
    }

    public function getUserActivities(Request $request)
    {
        if ($request->ajax()) {
            $data = [];
            $formId = $request->query('form_id');

            if ($formId !== null && $formId !== '0') {
                // $data = LogUserActivity::with('user')->where('form_id', $formId)
                //     ->orderBy('created_at', 'desc');
                $data = LogUserActivity::rowActive()->orderByRowNum()->where('form_id', $formId);
            }

            $result = datatables()->of($data)
                ->addIndexColumn()
                ->addColumn('user_name', function ($row) {
                    return $row->user->name;
                })
                ->editColumn('activity_type', function ($row) {
                    return ActivityType::from($row->activity_type)->label();
                })
                ->editColumn('created_at', function ($row) {
                    return $row->created_at->format('d-m-Y H:i:s');
                })
                ->make(true);

            return $result;
        }
    }

    public function lock($sector, $code, $id)
    {
        try {
            $this->formService->lockForm($id);
            return redirect()->back()->with('success', 'Data Aktivitas berhasil dikunci.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Data Aktivitas gagal dikunci. Mohon dicoba kembali.']);
        }
    }

    public function unlock($sector, $code, $id)
    {
        try {
            $this->formService->unlockForm($id);
            return redirect()->back()->with('success', 'Data Aktivitas berhasil dibuka.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Data Aktivitas gagal dibuka. Mohon dicoba kembali.']);
        }
    }

    public function copyData(Request $request, $sector, $code)
    {
        try {
            $fromYear = $request->input('from_year');
            $toYear = $request->input('to_year');

            $this->formService->copyData($sector, $code, $fromYear, $toYear);

            return redirect()->back()->with('success', 'Data Aktivitas berhasil disalin.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Data Aktivitas gagal disalin. Mohon dicoba kembali.']);
        }
    }

    public function approvalKonsolidasi($sector, $code, $inventoryYear, $instansi = null)
    {
        try {
            $data = $this->data($sector, $code, $inventoryYear, $instansi);
            if ($instansi && $instansi != 'all' && $instansi != 'none') {
                $agency = Agency::where('name', $instansi)->rowActive()->first();
                $instansi = $agency ? $agency->id : null;
            }

            $form = $data['activityForm'];
            $this->formService->approvalKonsolidasi($form, $sector, $code, $inventoryYear, $instansi);

            return redirect()->back()->with('success', 'Persetujuan Data Produsen berhasil diproses.');
        } catch (\Exception $e) {
            return redirect()->back()->withErrors(['error' => 'Persetujuan Data Produsen gagal diproses. Mohon dicoba kembali.' . $e->getMessage()]);
        }
    }

    public function create($sector, $code) {

        $inventoryYear = date('Y');
        $instansi = null;

        $data = $this->data($sector, $code, $inventoryYear, $instansi);
        return view('modules.form.form', $data);
    }
}