<?php

    namespace Modules\Webstatement\Http\Controllers;

    use Carbon\Carbon;
    use Exception;
    use Illuminate\Http\Request;
    use Illuminate\Routing\Controller;
    use Maatwebsite\Excel\Facades\Excel;
    use Modules\Webstatement\Exports\PeriodeStatementExport;
    use Modules\Webstatement\Http\Requests\PeriodeStatementRequest;
    use Modules\Webstatement\Models\PeriodeStatement;

    class PeriodeStatementController extends Controller
    {
        public $user;

        /**
         * Display a listing of the resource.
         */
        public function index()
        {
            return view('webstatement::periode-statement.index');
        }

        /**
         * Store a newly created resource in storage.
         */
        public function store(PeriodeStatementRequest $request)
        {
            $validate = $request->validated();

            if ($validate) {
                try {
                    // Add created_by field and default values
                    $validate['created_by']        = auth()->id();
                    $validate['status']            = 'pending';
                    $validate['authorized_status'] = 'pending';

                    // Save to database
                    PeriodeStatement::create($validate);

                    return redirect()
                        ->route('periode-statements.index')
                        ->with('success', 'Periode Statement created successfully');
                } catch (Exception $e) {
                    return redirect()
                        ->route('periode-statements.create')
                        ->with('error', 'Failed to create Periode Statement: ' . $e->getMessage());
                }
            }
        }

        /**
         * Show the form for creating a new resource.
         */
        public function create()
        {
            return view('webstatement::periode-statement.create');
        }

        /**
         * Show the specified resource.
         */
        public function show($id)
        {
            $periodeStatement = PeriodeStatement::find($id);
            return view('webstatement::periode-statement.show', compact('periodeStatement'));
        }

        /**
         * Show the form for editing the specified resource.
         */
        public function edit($id)
        {
            $periodeStatement = PeriodeStatement::find($id);
            return view('webstatement::periode-statement.create', compact('periodeStatement'));
        }

        /**
         * Remove the specified resource from storage.
         */
        public function destroy($id)
        {
            try {
                // Add deleted_by field
                $periodeStatement             = PeriodeStatement::find($id);
                $periodeStatement->deleted_by = auth()->id();
                $periodeStatement->save();

                // Delete from database
                $periodeStatement->delete();

                echo json_encode(['success' => true, 'message' => 'Periode Statement deleted successfully']);
            } catch (Exception $e) {
                echo json_encode([
                    'success' => false,
                    'message' => 'Failed to delete Periode Statement: ' . $e->getMessage()
                ]);
            }
        }

        /**
         * Provide data for datatables.
         */
        public function dataForDatatables(Request $request)
        {
            if (is_null($this->user) || !$this->user->can('periode-statements.view')) {
                //abort(403, 'Sorry! You are not allowed to view periode statement.');
            }

            // Retrieve data from the database
            $query = PeriodeStatement::query();

            // Apply search filter if provided
            if ($request->has('search') && !empty($request->get('search'))) {
                $search = $request->get('search');
                $query->where(function ($q) use ($search) {
                    $q->where('periode', 'LIKE', "%$search%");
                    $q->orWhere('status', 'LIKE', "%$search%");
                    $q->orWhere('authorized_status', 'LIKE', "%$search%");
                    $q->orWhere('notes', 'LIKE', "%$search%");
                });
            }

            // Apply sorting if provided
            if ($request->has('sortOrder') && !empty($request->get('sortOrder'))) {
                $order  = $request->get('sortOrder');
                $column = $request->get('sortField');
                $query->orderBy($column, $order);
            }

            // Get the total count of records
            $totalRecords = $query->count();

            // Apply pagination if provided
            if ($request->has('page') && $request->has('size')) {
                $page   = $request->get('page');
                $size   = $request->get('size');
                $offset = ($page - 1) * $size; // Calculate the offset

                $query->skip($offset)->take($size);
            }

            // Get the filtered count of records
            $filteredRecords = $query->count();

            // Get the data for the current page
            $data = $query->get();

            // Calculate the page count
            $pageCount = ceil($filteredRecords / ($request->get('size') ?: 1));

            // Calculate the current page number
            $currentPage = $request->get('page') ?: 1;

            // Return the response data as a JSON object
            return response()->json([
                'draw'            => $request->get('draw'),
                'recordsTotal'    => $totalRecords,
                'recordsFiltered' => $filteredRecords,
                'pageCount'       => $pageCount,
                'page'            => $currentPage,
                'totalCount'      => $totalRecords,
                'data'            => $data,
            ]);
        }

        /**
         * Delete multiple records.
         */
        public function deleteMultiple(Request $request)
        {
            $ids = $request->input('ids');

            // Add deleted_by to each record
            $periodeStatements = PeriodeStatement::whereIn('id', $ids)->get();
            foreach ($periodeStatements as $periodeStatement) {
                $periodeStatement->deleted_by = auth()->id();
                $periodeStatement->save();
            }

            PeriodeStatement::whereIn('id', $ids)->delete();
            return response()->json(['message' => 'Periode Statements deleted successfully']);
        }

        /**
         * Export data to Excel.
         */
        public function export()
        {
            return Excel::download(new PeriodeStatementExport, 'periode-statements.xlsx');
        }

        /**
         * Process the specified periode statement.
         */
        public function process($id)
        {
            try {
                $periodeStatement = PeriodeStatement::find($id);

                // Update status to processing
                $periodeStatement->update([
                    'status'       => 'processing',
                    'notes'        => ($periodeStatement->notes ? $periodeStatement->notes . "\n" : '') . 'Processing started at ' . Carbon::now()
                                                                                                                                           ->format('Y-m-d H:i:s'),
                    'updated_by'   => auth()->id(),
                    'processed_at' => Carbon::now(),
                ]);

                return redirect()
                    ->route('periode-statements.index')
                    ->with('success', 'Periode statement processing has been initiated.');
            } catch (Exception $e) {
                return redirect()
                    ->route('periode-statements.index')
                    ->with('error', 'Failed to process Periode Statement: ' . $e->getMessage());
            }
        }

        /**
         * Update the specified resource in storage.
         */
        public function update(PeriodeStatementRequest $request, $id)
        {
            $validate = $request->validated();

            if ($validate) {
                try {
                    // Add updated_by field
                    $validate['updated_by'] = auth()->id();
                    if (request()->get('status') == 'approved') {
                        $validate['status']            = 'completed';
                        $validate['authorized_status'] = 'approved';
                        $validate['processed_at']      = Carbon::now();
                    } else if (request()->get('status') == 'rejected') {
                        $validate['status']            = 'failed';
                        $validate['authorized_status'] = 'rejected';
                    }

                    $periodeStatement = PeriodeStatement::find($id);

                    $validate['notes']         = ($periodeStatement->notes ? $periodeStatement->notes . "\n" : '') . request()->get('notes');
                    $validate['authorized_by'] = auth()->id();
                    $validate['authorized_at'] = Carbon::now();

                    // Update in database

                    $periodeStatement->update($validate);

                    return redirect()
                        ->route('periode-statements.index')
                        ->with('success', 'Periode Statement updated successfully');
                } catch (Exception $e) {
                    return redirect()
                        ->route('periode-statements.edit', $id)
                        ->with('error', 'Failed to update Periode Statement: ' . $e->getMessage());
                }
            }
        }

        /**
         * Show the form for authorizing the specified resource.
         */
        public function showAuthorize($id)
        {
            $periodeStatement = PeriodeStatement::find($id);
            return view('webstatement::periode-statement.authorize', compact('periodeStatement'));
        }

        /**
         * Authorize the specified resource in storage.
         */
        public function authorize(Request $request, $id)
        {
            try {
                $periodeStatement = PeriodeStatement::find($id);

                $notes = $periodeStatement->notes ?? '';
                if ($request->authorization_notes) {
                    $notes .= ($notes ? "\n" : '') . 'Authorization note: ' . $request->authorization_notes;
                }

                $periodeStatement->update([
                    'authorized_status' => $request->authorized_status,
                    'authorized_by'     => auth()->id(),
                    'authorized_at'     => Carbon::now(),
                    'notes'             => $notes,
                    'updated_by'        => auth()->id(),
                ]);

                return redirect()
                    ->route('periode-statements.index')
                    ->with('success', 'Periode statement has been ' . $request->authorized_status . '.');
            } catch (Exception $e) {
                return redirect()
                    ->route('periode-statements.index')
                    ->with('error', 'Failed to authorize Periode Statement: ' . $e->getMessage());
            }
        }

        /**
         * Display a listing of the resources pending authorization.
         */
        public function pendingAuthorization()
        {
            return view('webstatement::periode-statement.pending_authorization');
        }

        /**
         * Complete the specified periode statement.
         */
        public function complete($id)
        {
            try {
                $periodeStatement = PeriodeStatement::find($id);

                // Update status to completed
                $periodeStatement->update([
                    'status'     => 'completed',
                    'notes'      => ($periodeStatement->notes ? $periodeStatement->notes . "\n" : '') . 'Completed at ' . Carbon::now()
                                                                                                                                ->format('Y-m-d H:i:s'),
                    'updated_by' => auth()->id(),
                ]);

                return redirect()
                    ->route('periode-statements.index')
                    ->with('success', 'Periode statement has been marked as completed.');
            } catch (Exception $e) {
                return redirect()
                    ->route('periode-statements.index')
                    ->with('error', 'Failed to complete Periode Statement: ' . $e->getMessage());
            }
        }

        /**
         * Mark the specified periode statement as failed.
         */
        public function fail(Request $request, $id)
        {
            try {
                $periodeStatement = PeriodeStatement::find($id);

                // Update status to failed
                $periodeStatement->update([
                    'status'     => 'failed',
                    'notes'      => ($periodeStatement->notes ? $periodeStatement->notes . "\n" : '') . 'Failed at ' . Carbon::now()
                                                                                                                             ->format('Y-m-d H:i:s') . '. Reason: ' . $request->failure_reason,
                    'updated_by' => auth()->id(),
                ]);

                return redirect()
                    ->route('periode-statements.index')
                    ->with('success', 'Periode statement has been marked as failed.');
            } catch (Exception $e) {
                return redirect()
                    ->route('periode-statements.index')
                    ->with('error', 'Failed to mark Periode Statement as failed: ' . $e->getMessage());
            }
        }
    }