<?php

namespace App\Http\Controllers;

use App\Exports\TransactionDealerExport;
use App\Exports\TransactionExport;
use App\Exports\TransactionSaExport;
use App\Models\Dealer;
use App\Models\Menu;
use App\Models\Transaction;
use App\Models\User;
use App\Models\Work;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Gate;
use Yajra\DataTables\Facades\DataTables;
use Maatwebsite\Excel\Facades\Excel;

class ReportController extends Controller
{
    public function transaction_sa_old2(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction_sa')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');

        if(!isset($request->month)) {
            $request['month'] = date('m');
        }
        
        if(!isset($request->dealer)) {
            $request['dealer'] = 'all';
        }
        
        if(!isset($request->sa)) {
            $request['sa'] = 'all';
        }

        $works = Work::select('id', 'name')->whereHas('transactions', function($q) use($request) {
            if(isset($request->month)) {
                $q = $q->whereMonth('date', '=', $request->month)->whereYear('date', date('Y'));
            }
            
            if(isset($request->dealer) && $request->dealer != 'all') {
                $q = $q->where('dealer_id', '=', $request->dealer);
            }
            
            if(isset($request->sa) && $request->sa != 'all') {
                $q = $q->where('user_sa_id', '=', $request->sa);
            }

            return $q;
        })->orderBy('id', 'ASC')->get();

        $dealer_datas = Dealer::orderBy('id', 'ASC')->get();
        $sa_datas = User::select('id', 'name')->where('role_id', 4)->get();
        $sa     = $request->sa;
        $dealer = $request->dealer;
        $month = $request->month;

        return view('back.report.transaction_sa', compact('dealer_datas', 'sa_datas', 'month', 'works', 'sa', 'dealer'));
    }

    public function transaction_sa(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction_sa')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');

        if(!isset($request->month)) {
            $request['month'] = date('m');
        }
        
        if(!isset($request->year)) {
            $request['year'] = date('Y');
        }
        
        if(!isset($request->dealer)) {
            $request['dealer'] = '20';
        }
        
        if(!isset($request->sa)) {
            $request['sa'] = 'all';
        }

        $dealer_datas = Dealer::orderBy('id', 'ASC')->get();
        $sa_datas = User::select('id', 'name')->where('role_id', 4)->get();

        $sa     = $request->sa;
        $dealer = $request->dealer;
        $month = $request->month;
        $year = $request->year;

        $ajax_url   = route('report.transaction_sa_data').'?month='.$month.'&year='.$year.'&dealer='.$dealer.'&sa='.$sa;

        return view('back.report.transaction_sa', compact('dealer_datas', 'sa_datas', 'month', 'year', 'sa', 'dealer', 'ajax_url'));
    }

    public function transaction_sa_data(Request $request) {
        abort_if(Gate::denies('view', Menu::where('link', 'dashboard')->first()), 403, 'Unauthorized User');
        if(!isset($request->month)) {
            $request['month'] = date('m');
        }
        
        if(!isset($request->year)) {
            $request['year'] = date('Y');
        }

        if(isset($request->{'amp;dealer'})) {
            $request['dealer'] = $request->{'amp;dealer'};
        }

        if(isset($request->{'amp;sa'})) {
            $request['sa'] = $request->{'amp;sa'};
        }

        if(isset($request->{'amp;year'})) {
            $request['year'] = $request->{'amp;year'};
        }

        if(!isset($request->dealer)) {
            $request['dealer'] = 'all';
        }

        $month  = $request->month;
        $dealer = $request->dealer;
        $sa     = $request->sa;
        $year   = $request->year;

        $dealer_work_trx = DB::statement("SET @sql = NULL");
        $sql = "SELECT IF(work_id IS NOT NULL, GROUP_CONCAT(DISTINCT CONCAT('SUM(IF(work_id = \"', work_id,'\", qty,\"\")) AS \"',CONCAT(w.name, '|',w.id),'\"')), 's.work_id') INTO @sql FROM transactions t JOIN works w ON w.id = t.work_id WHERE month(t.date) = '". $month ."' and year(t.date) = '". $year ."' and t.deleted_at is null";

        if(isset($request->dealer) && $request->dealer != 'all') {
            $sql .= " and t.dealer_id = '". $dealer ."'";
        }

        if(isset($request->sa) && $request->sa != 'all') {
            $sql .= " and t.user_sa_id = '". $sa ."'";
        }

        $sa_work_trx = DB::statement($sql);
        
        if(isset($request->dealer) && $request->dealer != 'all') {
            if(isset($request->sa) && $request->sa != 'all') {
                $sa_work_trx = DB::statement("SET @sql = IF(@sql != 's.work_id' ,CONCAT(\"SELECT sa.name as SA, sa.id as sa_id,  \", @sql, \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.dealer_id = '". $dealer ."' and s.user_sa_id = '". $sa ."' GROUP BY s.user_sa_id ORDER BY s.user_sa_id ASC\"), CONCAT(\"SELECT sa.name as SA, sa.id as sa_id \", \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.dealer_id = '". $dealer ."' and s.user_sa_id = '". $sa ."' GROUP BY s.`user_sa_id` ORDER BY s.`user_sa_id` ASC\"))");
            }else{
                $sa_work_trx = DB::statement("SET @sql = IF(@sql != 's.work_id' ,CONCAT(\"SELECT sa.name as SA, sa.id as sa_id,  \", @sql, \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.dealer_id = '". $dealer ."' GROUP BY s.user_sa_id ORDER BY s.user_sa_id ASC\"), CONCAT(\"SELECT sa.name as SA, sa.id as sa_id \", \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.dealer_id = '". $dealer ."' GROUP BY s.`user_sa_id` ORDER BY s.`user_sa_id` ASC\"))");
            }
        }else{
            if(isset($request->sa) && $request->sa != 'all') {
                $sa_work_trx = DB::statement("SET @sql = IF(@sql != 's.work_id' ,CONCAT(\"SELECT sa.name as SA, sa.id as sa_id,  \", @sql, \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.user_sa_id = '". $sa ."' GROUP BY s.user_sa_id ORDER BY s.user_sa_id ASC\"), CONCAT(\"SELECT sa.name as SA, sa.id as user_sa_id \", \"FROM transactions s JOIN dealers d ON d.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null and s.user_sa_id = '". $sa ."' GROUP BY s.`user_sa_id` ORDER BY s.`user_sa_id` ASC\"))");
            }else{
                $sa_work_trx = DB::statement("SET @sql = IF(@sql != 's.work_id' ,CONCAT(\"SELECT sa.name as SA, sa.id as sa_id,  \", @sql, \"FROM transactions s JOIN users sa ON sa.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null GROUP BY s.user_sa_id ORDER BY s.user_sa_id ASC\"), CONCAT(\"SELECT sa.name as SA, sa.id as user_sa_id \", \"FROM transactions s JOIN dealers d ON d.id = s.user_sa_id WHERE month(s.date) = '". $month ."' and year(s.date) = '". $year ."' and s.deleted_at is null GROUP BY s.`user_sa_id` ORDER BY s.`user_sa_id` ASC\"))");
            }
        }
        
        $sa_work_trx = DB::statement("PREPARE stmt FROM @sql");
        $sa_work_trx = DB::select(DB::raw("EXECUTE stmt"));
        DB::statement('DEALLOCATE PREPARE stmt');
        $theads = ['SA'];
        $sa_names = [];
        $sa_trx = [];
        $work_trx = [];
        $work_ids = [];

        foreach($sa_work_trx as $index => $sa_work) {
            $sa_work_2 = (array) $sa_work;
            unset($sa_work_2['sa_id']);
            $work_trx[$sa_work->sa_id] = array_values($sa_work_2);
            unset($sa_work_2['SA']);
            $work_names = array_keys($sa_work_2);
            if($index == 0) {
                foreach($work_names as $work) {
                    $arr_work = explode('|', $work);
                    $theads[] = $arr_work[0];
                    $work_ids[] = $arr_work[1];
                    $sa_trx[$work] = [
                        'work_name' => $arr_work[0],
                        'qty'       => []
                    ];

                    if($sa_work->{$work} > 0) {
                        $sa_trx[$work]['qty'][] = $sa_work->{$work};
                    }else{
                        $sa_trx[$work]['qty'][] = "N/A";
                    }
                }
            }else{
                foreach($work_names as $work) {
                    if($sa_work->{$work} > 0) {
                        $sa_trx[$work]['qty'][] = $sa_work->{$work};
                    }else{
                        $sa_trx[$work]['qty'][] = "N/A";
                    }
                }
            }
            
            $sa_names[] = $sa_work->SA;
        }
        
        $sa_trx = array_values($sa_trx);
        $dealer = $request->dealer;
        $month  = $request->month;
        $sa     = $request->sa;
        $year     = $request->year;

        $sa_names   = json_encode($sa_names);
        $sa_trx     = json_encode($sa_trx);

        return view('back.report.transaction_sa_data', compact('theads', 'work_trx', 'month', 'sa_names', 'sa_trx', 'dealer', 'sa', 'year'));
    }

    public function transaction_sa_old(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction_sa')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');

        if(!isset($request->month)) {
            $request['month'] = date('m');
        }

        $works = Work::select('id', 'name')->whereHas('transactions', function($q) use($request) {
            if(isset($request->month)) {
                $q->whereMonth('date', '=', $request->month);
            }
            
            if(isset($request->dealer) && $request->dealer != 'all') {
                $q->where('dealer_id', '=', $request->dealer);
            }
            
            if(isset($request->sa) && $request->sa != 'all') {
                $q->where('user_sa_id', '=', $request->sa);
            }
        })->get();

        $sas = User::select('id', 'name')->where('role_id', 4)->get();
        
        $trxs = [];
        foreach($sas as $key => $sa) {
            $sa_works = [];
            foreach ($works as $key2 => $work) {
                $d = Transaction::where('user_sa_id', $sa->id)->where('work_id', $work->id);
                
                if(isset($request->month)) {
                    $d = $d->whereMonth('date', '=', $request->month);
                }
            
                if(isset($request->dealer) && $request->dealer != 'all') {
                    $d = $d->where('dealer_id', '=', $request->dealer);
                }
            
                if(isset($request->sa) && $request->sa != 'all') {
                    $d = $d->where('user_sa_id', '=', $request->sa);
                }
                
                $d = $d->sum('qty');
                if($d) {
                    $sa_works[] = [
                        'work_id'       => $work->id,
                        'work_name'     => $work->name,
                        'user_sa_id'     => $sa->id,
                        'qty'           => $d,
                    ];
                }else{
                    $sa_works[] = [
                        'work_id'       => $work->id,
                        'work_name'     => $work->name,
                        'user_sa_id'     => $sa->id,
                        'qty'           => 0,
                    ];
                }
            }

            $trxs[] = [
                'user_sa_id'     => $sa->id,
                'sa_name'        => $sa->name,
                'works'          => $sa_works
            ];
        }
        
        $sa_names = [];
        $trx_data     = [];
        foreach($trxs as $trx) {
            $sa_names[] = $trx['sa_name'];
            $work_data2 = [];
            foreach($trx['works'] as $work_data) {
                if(array_key_exists($work_data['work_name'], $trx_data)) {
                    $trx_data[$work_data['work_name']]['qty'][] = $work_data['qty'];
                }else{
                    $trx_data[$work_data['work_name']] = [
                        'work_name' => $work_data['work_name'],
                        'qty'       => [$work_data['qty']]
                    ];
                }
            }
        }

        $sa_names       = json_encode($sa_names);
        $trx_data       = json_encode(array_values($trx_data));
        // dd($trx_data);
        $work_count     = count($works);
        $month          = $request->month;
        $dealer_id      = $request->dealer;
        $sa_id          = $request->sa;
        $dealers        = Dealer::all();
        $sas            = User::where('role_id', 4)->get();
        

        return view('back.report.transaction_sa', compact('sas', 'dealers', 'dealer_id', 'sa_id', 'month', 'trxs', 'works', 'work_count', 'sa_names', 'trx_data'));
    }

    public function sa_work_trx(Request $request) {
        $sa_work_trx = Work::select(DB::raw('works.name AS work_name'), DB::raw("IFNULL(SUM(t.qty), 0) AS qty"), 'works.id AS work_id')->whereHas('transactions', function($q) use($request) {
            if(isset($request->month)) {
                $q = $q->whereMonth('date', '=', $request->month)->whereYear('date', date('Y'));
            }
            
            if(isset($request->dealer) && $request->dealer != 'all') {
                $q = $q->where('dealer_id', '=', $request->dealer);
            }
            
            if(isset($request->sa_filter) && $request->sa_filter != 'all') {
                $q = $q->where('user_sa_id', '=', $request->sa_filter);
            }

            return $q;
        })->leftJoin('transactions AS t', function($q) use($request) {
            $q->on('t.work_id', '=', 'works.id');
            $q->on(DB::raw('MONTH(t.date)'), '=', DB::raw($request->month));
            $q->on(DB::raw('YEAR(t.date)'), '=', DB::raw(date('Y')));
            $q->on('t.user_sa_id', '=', DB::raw($request->sa));
            if(isset($request->dealer) && $request->dealer != 'all') {
                $q->on('t.dealer_id', '=', DB::raw($request->dealer));
            }
            if(isset($request->sa_filter) && $request->sa_filter != 'all') {
                $q->on('t.user_sa_id', '=', DB::raw($request->sa_filter));
            }
        })->groupBy('works.id')->orderBy('works.id', 'ASC')->get();
        return response()->json($sa_work_trx);
    }

    public function get_sa_has_transactions(Request $request) {
        if(!isset($request->month)) {
            $request['month'] = date('m');
        }
        
        if(!isset($request->dealer)) {
            $request['dealer'] = 'all';
        }
        
        if(!isset($request->sa)) {
            $request['sa'] = 'all';
        }

        $sas = User::where('role_id', 4)->whereHas('sa_transactions', function($q) use($request) {
            if(isset($request->month)) {
                $q = $q->whereMonth('date', '=', $request->month)->whereYear('date', date('Y'));
            }
            
            if(isset($request->dealer) && $request->dealer != 'all') {
                $q->where('dealer_id', '=', $request->dealer);
            }
        });

        if(isset($request->sa) && $request->sa != 'all') {
            $sas = $sas->where('id', $request->sa);
        }

        $sas = $sas->orderBy('id', 'ASC')->get();

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

    public function transaction_dealer(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction_dealer')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');
        
        if(!isset($request->month)) {
            $request['month'] = date('m');
        }

        if(!isset($request->year)) {
            $request['year'] = date('Y');
        }

        $year      = $request->year;
        $month      = $request->month;
        $dealer      = $request->dealer;
        $dealer_datas = Dealer::all();
        $ajax_url   = route('dashboard_data').'?month='.$month.'&year='.$year.'&dealer='.$dealer;
        return view('dashboard', compact('month', 'ajax_url', 'dealer', 'dealer_datas', 'year'));
    }

    public function transaction(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');

        $sas = User::where('role_id', 4)->get();
        $mechanics = User::where('role_id', 3)->get();
        $dealers = Dealer::all();
        $works = Work::all();

        return view('back.report.transaction', compact('sas', 'mechanics', 'dealers', 'works'));
    }

    public function transaction_data(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('view', $menu), 403, 'Unauthorized User');

        if ($request->ajax()) {
            $data = Transaction::leftJoin('users', 'users.id', '=', 'transactions.user_id')
            ->leftJoin('users as sa', 'sa.id', '=', 'transactions.user_sa_id')
            ->leftJoin('works as w', 'w.id', '=', 'transactions.work_id')
            ->leftJoin('categories as cat', 'cat.id', '=', 'w.category_id')
            ->leftJoin('dealers as d', 'd.id', '=', 'transactions.dealer_id')
            ->select('transactions.id', 'transactions.status', 'transactions.user_id as user_id', 'transactions.user_sa_id as user_sa_id', 'users.name as username', 'sa.name as sa_name', 'cat.name as category_name', 'w.name as workname', 'transactions.qty as qty', 'transactions.date as date', 'transactions.police_number as police_number', 'transactions.warranty as warranty', 'transactions.spk as spk', 'transactions.dealer_id', 'd.name as dealer_name');
            
            if(isset($request->date_start)) {
                $data->where('transactions.date', '>=', $request->date_start);
            }            

            if(isset($request->date_end)) {
                $data->where('transactions.date', '<=', $request->date_end);
            }

            if(isset($request->sa)) {
                $data->where('transactions.user_sa_id', $request->sa);
            }

            if(isset($request->mechanic)) {
                $data->where('transactions.user_id', $request->mechanic);
            }

            if(isset($request->dealer)) {
                $data->where('transactions.dealer_id', $request->dealer);
            }

            $data->orderBy('date', 'DESC');
            return DataTables::of($data)->addIndexColumn()
                ->addColumn('action', function($row) use ($menu) {
                    $btn = '<div class="d-flex justify-content-center">';

                    if($row->status == 1) {
                        if(Gate::allows('delete', $menu)) {
                            $btn .= ' <button class="btn btn-danger btn-sm btn-bold mr-2" data-action="'. route('report.transaction.destroy', $row->id) .'" id="destroyTransaction'. $row->id .'" onclick="destroyTransaction('. $row->id .')"> Hapus </button>';
                        }
                        $btn .= '<span class="badge badge-success">Closed</span>';
                    }else{
                        if(Gate::allows('delete', $menu)) {
                            $btn .= '<button class="btn btn-danger btn-sm btn-bold mr-2" data-action="'. route('report.transaction.destroy', $row->id) .'" id="destroyTransaction'. $row->id .'" onclick="destroyTransaction('. $row->id .')"> Hapus </button>';
                        }
                        
                        if(Gate::allows('update', $menu)) {
                            $btn .= '<button class="btn btn-info btn-sm btn-bold mr-2" data-url="'. route('report.transaction.edit', $row->id) .'" data-action="'.  route('report.transaction.update', $row->id) .'" onclick="editTransaction('. $row->id .')" id="editTransaction'. $row->id .'"> Edit </button>
                            <button class="btn btn-warning btn-sm btn-bold" id="closeTransaction'. $row->id .'" data-url="'. route('report.transaction.close', $row->id) .'" onclick="closeTransaction('. $row->id .')"> Close </button>';
                        }
                    }

                    $btn .= '</div>';

                    return $btn;
                })
                ->rawColumns(['action'])
                ->make(true);
        }
    }

    public function export(Request $request) 
    {
        return Excel::download(new TransactionExport($request), date('dmY_').'pekerjaan.xlsx');
    }

    public function dealer_export(Request $request) 
    {
        return Excel::download(new TransactionDealerExport($request), date('dmY_').'dealer.xlsx');
    }

    public function sa_export(Request $request) 
    {
        return Excel::download(new TransactionSaExport($request), date('dmY_').'sa.xlsx');
    }

    public function edit($id)
    {
        $transaction = Transaction::find($id);
        $response = [
            'data' => $transaction,
            'status' => 200,
            'message' => 'get data successfully'
        ];
        return response()->json($response);
    }

    public function update(Request $request, $id)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('update', $menu), 403, 'Unauthorized User');
     
        Transaction::find($id)->update([
            "spk" => $request->spk,
            "date" => $request->date,
            "police_number" => $request->police_number,
            "work_id" => $request->work_id,
            "dealer_id" => $request->dealer_id,
            "qty" => $request->qty,
            "warranty" => $request->warranty,
            "user_sa_id" => $request->sa_id,
        ]);

        $response = [
            "status" => 200,
            "message"   => "Data updated successfully"
        ];

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

    public function close_transaction($id)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('update', $menu), 403, 'Unauthorized User');

        Transaction::find($id)->update([
            'status'    => 1
        ]);

        $response = [
            'message'   => 'Data updated successfully',
            'status'    => 200
        ];

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

    public function bulk_close_transaction(Request $request)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('update', $menu), 403, 'Unauthorized User');

        Transaction::whereIn('id', $request->selected)->update([
            'status'    => 1
        ]);

        $response = [
            'message'   => 'Data updated successfully',
            'status'    => 200
        ];

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

    public function destroy_transaction($id)
    {
        $menu = Menu::where('link', 'report.transaction')->first();
        abort_if(Gate::denies('delete', $menu), 403, 'Unauthorized User');

        Transaction::destroy($id);

        $response = [
            'message'   => 'Data deleted successfully',
            'status'    => 200
        ];

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