<?php

namespace App\Http\Controllers\Exports;

use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Classes\ValueObjects\Constants\PaymentMethodType;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Models\Booking;
use App\Models\Company;
use App\Models\Transaction;
use App\Models\User;
use App\Models\Wallet;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Mccarlosen\LaravelMpdf\Facades\LaravelMpdf;

class ExportCustomersAccountStatementTransactionToPDFController
{

    /**
     * ExportCustomersAccountStatementTransactionToPDFController constructor.
     * @param Request $request
     */
    public function __construct(Request $request)
    {
        $token = Auth::fromUser(User::find(1));
        $request->headers->set('Authorization', 'Bearer ' . $token);
    }

    public function export(Request $request)
    {
        ini_set('max_execution_time', '1000000');
        ini_set("pcre.backtrack_limit", "5000000");

        $companyId = $request->route('id');
        $company = Company::find($companyId);

        $transactions = Transaction::where(function ($query) use ($companyId) {
            $query
                ->where('type', TransactionType::PAYMENT)
                ->where('owner_type', Booking::class)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->where('payment_method', '!=', PaymentMethodType::WALLET)
                ->whereHas('booking', function ($q) use ($companyId) {
                    $q->where('company_id', $companyId);
                });
            })
            ->orWhere(function ($query) use ($companyId) {
                $query->whereHas('owner', function ($q) use ($companyId) {
                    $q->where('owner_id', $companyId);
                    $q->where('owner_type', Company::class);
                })
                ->where('owner_type', Wallet::class)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED]);
            })
            ->orWhere(function ($query) use ($companyId) {
                $query
                    ->where('type', TransactionType::INVOICE)
                    ->where('owner_type', Booking::class)
                    ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                    ->where('payment_method', '!=', PaymentMethodType::WALLET)
                    ->whereHas('booking', function ($q) use ($companyId) {
                        $q->where('company_id', $companyId);
                });
            })
            ->groupBy(
                DB::raw(
                    'if (transactions.type = 2,transactions.owner_id,transactions.id)'
                ),
                DB::raw(
                    'if (transactions.type = 2,transactions.type,transactions.id)'
                )
            )
            ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
            ->orderBy('created_at', 'asc')
            ->get();

        $total_incoming = Transaction::where(function ($query) use ($companyId) {
            $query->whereHas('owner', function ($q) use ($companyId) {
                    $q->where('owner_id', $companyId);
                    $q->where('owner_type', Company::class);
                })
                ->where('owner_type', Wallet::class)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->where('type', '!=', TransactionType::PAYMENT);
            })
            ->orWhere(function ($query) use ($companyId, $transactions) {
                $query
                    ->where('type', TransactionType::INVOICE)
                    ->where('owner_type', Booking::class)
                    ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                    ->where('payment_method', '!=', PaymentMethodType::WALLET)
                    ->whereHas('booking', function ($q) use ($companyId) {
                        $q->where('company_id', $companyId);
                    });
                })
            ->groupBy(
                DB::raw(
                    'if (transactions.type = 2,transactions.owner_id,transactions.id)'
                ),
                DB::raw(
                    'if (transactions.type = 2,transactions.type,transactions.id)'
                )
            )->get();
            
        $total_incoming = $total_incoming->sum(function ($transaction) {
            if ($transaction->type === TransactionType::INVOICE) {
                return $transaction->amount / $transaction->currency_rate + $transaction->service_charge;
            }
            
            return $transaction->amount;
        });

        $total_outgoing = Transaction::where(function ($query) use ($companyId) {
            $query
                ->where('type', TransactionType::PAYMENT)
                ->where('payment_method', '!=', PaymentMethodType::WALLET)
                ->where('owner_type', Booking::class)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->whereHas('booking', function ($q) use ($companyId) {
                    $q->where('company_id', $companyId);
                });
            })
            ->orWhere(function ($query) use ($companyId) {
                $query->whereHas('owner', function ($q) use ($companyId) {
                        $q->where('owner_id', $companyId);
                        $q->where('owner_type', Company::class);
                    })
                    ->where('owner_type', Wallet::class)
                    ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                    ->where('type', TransactionType::PAYMENT);
                })
            ->sum('transactions.amount');
        
        $currentBalance = $total_incoming - $total_outgoing;

        $pdf = LaravelMpdf::loadView('pages.pdfs.company_account_statement_transaction', ['transactions' => $transactions, 'runningBalance' => $currentBalance, 'company' => $company, 'isPrecise' => $request->route('is_precise') == 'true']);

        return $pdf->download("{$company->reference}_account_statement_transactions.pdf");
    }
}