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<?php

namespace App\Http\Controllers;

use App\Models\ChartOfAccount;
use App\Models\ChartOfAccountSubType;
use App\Models\ChartOfAccountType;
use App\Models\User;
use App\Models\Utility;
use App\Models\JournalItem;
use App\Models\ChartOfAccountParent;
use Illuminate\Http\Request;

class ChartOfAccountController extends Controller
{

    public function index(Request $request)
    {

        if(\Auth::user()->can('manage chart of account'))
        {
            if (!empty($request->start_date) && !empty($request->end_date)) {
                $start = $request->start_date;
                $end = $request->end_date;
            } else {
                $start = date('Y-01-01');
                $end = date('Y-m-d', strtotime('+1 day'));
            }
            $filter['startDateRange'] = $start;
            $filter['endDateRange'] = $end;

            $types = ChartOfAccountType::where('created_by', '=', \Auth::user()->creatorId())->get();

            $accounts = ChartOfAccount::whereIn('type', $types->pluck('id'))
                ->where('created_by', '=', \Auth::user()->creatorId())
                ->with(['subType', 'parentAccount'])
                ->get()
                ->groupBy('type');

            $chartAccounts = [];
            foreach ($types as $type) {
                $typeName = $type->name;
                $chartAccounts[$typeName] = $accounts[$type->id] ?? [];
            }

            return view('chartOfAccount.index', compact('chartAccounts', 'types' , 'filter'));
        }
        else
        {
            return redirect()->back()->with('error', __('Permission denied.'));
        }
    }

    public function create()
    {

        $types = ChartOfAccountType::where('created_by',\Auth::user()->creatorId())->get();

        $account_type = [];

        foreach ($types as $type) {
            $accountTypes = ChartOfAccountSubType::where('type', $type->id)->where('created_by',\Auth::user()->creatorId())->get();
            $temp = [];
            foreach($accountTypes as $accountType)
            {
                $temp[$accountType->id] = $accountType->name;
            }
            $account_type[$type->name] = $temp;
        }
        $selectAcc =     [
            null => "Select",
            ];
               $account_type =  array_merge($selectAcc, $account_type);

        return view('chartOfAccount.create', compact('account_type'));
    }


    public function store(Request $request)
    {

        if(\Auth::user()->can('create chart of account'))
        {
            $validator = \Validator::make(
                $request->all(), [
                                   'name' => 'required',
                                   'sub_type' => 'required',
                               ]
            );
            if($validator->fails())
            {
                $messages = $validator->getMessageBag();

                return redirect()->back()->with('error', $messages->first());
            }

            $type = ChartOfAccountSubType::where('id',$request->sub_type)->where('created_by', '=', \Auth::user()->creatorId())->first();
            $account = ChartOfAccount::where('id',$request->parent)->where('created_by', '=', \Auth::user()->creatorId())->first();
            if(!empty($account->name)){
            $existingparentAccount = ChartOfAccountParent::where('name',$account->name)->where('created_by',\Auth::user()->creatorId())->first();

            if ($existingparentAccount) {
                $parentAccount = $existingparentAccount;
            } else {
                $parentAccount              = new ChartOfAccountParent();
            }

            $parentAccount->name        = $account->name;
            $parentAccount->sub_type    = $request->sub_type;
            $parentAccount->type        = $type->type;
            $parentAccount->account      = $request->parent;
            $parentAccount->created_by  = \Auth::user()->creatorId();
            $parentAccount->save();

            $account              = new ChartOfAccount();
            $account->name        = $request->name;
            $account->code        = $request->code;
            $account->type        = $type->type;
            $account->sub_type    = $request->sub_type;
            $account->parent      = $parentAccount->id;
            $account->description = $request->description;
            $account->is_enabled  = isset($request->is_enabled) ? 1 : 0;
            $account->created_by  = \Auth::user()->creatorId();
            $account->save();
        }
            return redirect()->route('chart-of-account.index')->with('success', __('Account successfully created.'));
        }
        else
        {
            return redirect()->back()->with('error', __('Permission denied.'));
        }
    }


    public function show(ChartOfAccount $chartOfAccount,Request $request)
    {
        if(\Auth::user()->can('ledger report'))
        {
            if(!empty($request->start_date) && !empty($request->end_date))
            {
                $start = $request->start_date;
                $end   = $request->end_date;
            }
            else
            {
                $start = date('Y-m-01');
                $end   = date('Y-m-t');
            }
            if(!empty($request->start_date) && !empty($request->end_date))
            {
                $accounts = ChartOfAccount::select(\DB::raw('CONCAT(code, " - ", name) AS code_name, id'))
                    ->where('created_by', \Auth::user()->creatorId())
                    ->where('created_at', '>=', $start)
                    ->where('created_at', '<=', $end)
                    ->get()->pluck('code_name', 'id');
                $accounts->prepend('Select Account', '');

            }
            else
            {
                $accounts = ChartOfAccount::select(\DB::raw('CONCAT(code, " - ", name) AS code_name, id'))
                    ->where('created_by', \Auth::user()->creatorId())->get()
                    ->pluck('code_name', 'id');
                $accounts->prepend('Select Account', '');
            }
            if(!empty($request->account))
            {
                $account = ChartOfAccount::find($request->account);
            }
            else
            {
                $account = ChartOfAccount::find($chartOfAccount->id);
            }

            // $journalItems = JournalItem::select('journal_entries.journal_id', 'journal_entries.date as transaction_date', 'journal_items.*')
            //     ->leftjoin('journal_entries', 'journal_entries.id', 'journal_items.journal')
            //     ->where('journal_entries.created_by', '=', \Auth::user()->creatorId())
            //     ->where('account', !empty($account) ? $account->id : 0);
            // $journalItems->where('date', '>=', $start);
            // $journalItems->where('date', '<=', $end);
            // $journalItems = $journalItems->get();

            $balance = 0;
            $debit   = 0;
            $credit  = 0;

            // foreach($journalItems as $item)
            // {
            //     if($item->debit > 0)
            //     {
            //         $debit += $item->debit;
            //     }

            //     else
            //     {
            //         $credit += $item->credit;
            //     }

            //     $balance = $credit - $debit;
            // }

            $filter['startDateRange'] = $start;
            $filter['endDateRange']   = $end;

            return view('chartOfAccount.show', compact('filter', 'account', 'accounts'));
        }
        else
        {
            return redirect()->back()->with('error', __('Permission Denied.'));
        }
    }

    public function edit(ChartOfAccount $chartOfAccount)
    {
        $types = ChartOfAccountType::get()->pluck('name', 'id');
        $types->prepend('Select Account Type', 0);

        return view('chartOfAccount.edit', compact('chartOfAccount', 'types'));
    }


    public function update(Request $request, ChartOfAccount $chartOfAccount)
    {

        if(\Auth::user()->can('edit chart of account'))
        {
            $validator = \Validator::make(
                $request->all(), [
                                   'name' => 'required',
                               ]
            );
            if($validator->fails())
            {
                $messages = $validator->getMessageBag();

                return redirect()->back()->with('error', $messages->first());
            }


            $chartOfAccount->name        = $request->name;
            $chartOfAccount->code        = $request->code;
            $chartOfAccount->description = $request->description;
            $chartOfAccount->is_enabled  = isset($request->is_enabled) ? 1 : 0;
            $chartOfAccount->save();



            return redirect()->route('chart-of-account.index')->with('success', __('Account successfully updated.'));
        }
        else
        {
            return response()->json(['error' => __('Permission denied.')], 401);
        }
    }


    public function destroy(ChartOfAccount $chartOfAccount)
    {
        if(\Auth::user()->can('delete chart of account'))
        {
            $chartOfAccount->delete();

            return redirect()->route('chart-of-account.index')->with('success', __('Account successfully deleted.'));
        }
        else
        {
            return redirect()->back()->with('error', __('Permission denied.'));
        }
    }

    public function getSubType(Request $request)
    {
        $types = ChartOfAccount::where('sub_type', $request->type)->get()->pluck('name', 'id');
        $types->prepend('Select an account', 0);

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