<?php

namespace Modules\Business\App\Http\Controllers;

use Illuminate\Http\Request;
use App\Traits\DateFilterTrait;
use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;
use App\Services\PdfService;
use Maatwebsite\Excel\Facades\Excel;
use Modules\Business\App\Exports\ExportLossProfitHistory;

class AcnooLossProfitHistoryController extends Controller
{
    use DateFilterTrait;

    public function index(Request $request)
    {
        $user = auth()->user();
        $businessId = $user->business_id;

        $branchId = null;
        if (moduleCheck('MultiBranchAddon')) {
            $branchId = $user->branch_id ?? $user->active_branch_id;
        }

        $duration = $request->custom_days ?: 'today';

        $salesQuery = DB::table('sales')
            ->select(
                DB::raw('DATE(saleDate) as date'),
                DB::raw('SUM(actual_total_amount) as total_sales'),
                DB::raw('SUM(lossProfit) as total_sale_income')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) =>
                $q->where('branch_id', $branchId)
            )
            ->groupBy(DB::raw('DATE(saleDate)'));

        $this->applyDateFilter($salesQuery, $duration, 'saleDate', $request->from_date, $request->to_date);
        $dailySales = $salesQuery->get();

        $sale_datas = $dailySales->map(fn ($sale) => (object)[
            'type'           => 'Sale',
            'date'           => $sale->date,
            'total_sales'    => $sale->total_sales,
            'total_incomes'  => $sale->total_sale_income,
        ]);

        $incomeQuery = DB::table('incomes')
            ->select(
                DB::raw('DATE(incomeDate) as date'),
                DB::raw('SUM(amount) as total_incomes')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) =>
                $q->where('branch_id', $branchId)
            )
            ->groupBy(DB::raw('DATE(incomeDate)'));

        $this->applyDateFilter($incomeQuery, $duration, 'incomeDate', $request->from_date, $request->to_date);
        $dailyIncomes = $incomeQuery->get();

        $income_datas = $dailyIncomes->map(fn ($income) => (object)[
            'type'          => 'Income',
            'date'          => $income->date,
            'total_incomes' => $income->total_incomes,
        ]);

        $mergedIncomeSaleData = collect();
        $allDates = $dailySales->pluck('date')
            ->merge($dailyIncomes->pluck('date'))
            ->unique()
            ->sort();

        foreach ($allDates as $date) {

            if ($income = $income_datas->firstWhere('date', $date)) {
                $mergedIncomeSaleData->push($income);
            }

            if ($sale = $sale_datas->firstWhere('date', $date)) {
                $mergedIncomeSaleData->push($sale);
            }
        }

        $dailyPayrolls = collect();

        if (moduleCheck('HrmAddon')) {
            $payrollQuery = DB::table('payrolls')
                ->select(
                    DB::raw('DATE(date) as date'),
                    DB::raw('SUM(amount) as total_payrolls')
                )
                ->where('business_id', $businessId)
                ->when($branchId, fn ($q) =>
                    $q->where('branch_id', $branchId)
                )
                ->groupBy(DB::raw('DATE(date)'));

            $this->applyDateFilter($payrollQuery, $duration, 'date', $request->from_date, $request->to_date);
            $dailyPayrolls = $payrollQuery->get();
        }

        $expenseQuery = DB::table('expenses')
            ->select(
                DB::raw('DATE(expenseDate) as date'),
                DB::raw('SUM(amount) as total_expenses_only')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) =>
                $q->where('branch_id', $branchId)
            )
            ->groupBy(DB::raw('DATE(expenseDate)'));

        $this->applyDateFilter($expenseQuery, $duration, 'expenseDate', $request->from_date, $request->to_date);
        $dailyExpenses = $expenseQuery->get();

        $mergedExpenseData = collect();
        $allExpenseDates = $dailyExpenses->pluck('date')
            ->merge($dailyPayrolls->pluck('date'))
            ->unique()
            ->sort();

        foreach ($allExpenseDates as $date) {

            if ($expense = $dailyExpenses->firstWhere('date', $date)) {
                $mergedExpenseData->push((object)[
                    'type'           => 'Expense',
                    'date'           => $date,
                    'total_expenses' => $expense->total_expenses_only,
                ]);
            }

            if ($payroll = $dailyPayrolls->firstWhere('date', $date)) {
                $mergedExpenseData->push((object)[
                    'type'           => 'Payroll',
                    'date'           => $date,
                    'total_expenses' => $payroll->total_payrolls,
                ]);
            }
        }

        $grossSaleProfit = $sale_datas->sum('total_sales');
        $grossIncomeProfit = $income_datas->sum('total_incomes') + $sale_datas->sum('total_incomes');

        $totalExpenses = $mergedExpenseData->sum('total_expenses');
        $netProfit = $grossIncomeProfit - $totalExpenses;

        $allTimeSales = DB::table('sales')
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->sum('actual_total_amount');

        $allTimeIncomes = DB::table('incomes')
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->sum('amount');

        $allTimePayrolls = moduleCheck('HrmAddon')
            ? DB::table('payrolls')
                ->where('business_id', $businessId)
                ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
                ->sum('amount')
            : 0;

        $allTimeExpensesOnly = DB::table('expenses')
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->sum('amount');

        $allTimeSaleProfit = DB::table('sales')->where('business_id', $businessId)->when($branchId, fn ($q) => $q->where('branch_id', $branchId))->sum('lossProfit');

        $cardGrossProfit = $allTimeIncomes + $allTimeSaleProfit;
        $totalCardExpenses = $allTimePayrolls + $allTimeExpensesOnly;
        $cardNetProfit = $cardGrossProfit - $totalCardExpenses;

        return view('business::loss-profit-histories.index', compact(
            'mergedIncomeSaleData',
            'mergedExpenseData',
            'grossSaleProfit',
            'grossIncomeProfit',
            'totalExpenses',
            'netProfit',
            'cardGrossProfit',
            'totalCardExpenses',
            'cardNetProfit'
        ));
    }

    public function exportExcel()
    {
        return Excel::download(new ExportLossProfitHistory, 'loss-profit-history.xlsx');
    }

    public function exportCsv()
    {
        return Excel::download(new ExportLossProfitHistory, 'loss-profit-history.csv');
    }

    public function exportPdf()
    {
        $user = auth()->user();
        $businessId = $user->business_id;

        $branchId = null;
        if (moduleCheck('MultiBranchAddon')) {
            $branchId = $user->branch_id ?? $user->active_branch_id;
        }

        // SALES
        $dailySales = DB::table('sales')
            ->select(
                DB::raw('DATE(saleDate) as date'),
                DB::raw('SUM(actual_total_amount) as total_sales'),
                DB::raw('SUM(lossProfit) as total_sale_income')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->groupBy(DB::raw('DATE(saleDate)'))
            ->get();

        $sale_datas = $dailySales->map(fn ($sale) => (object)[
            'type' => 'Sale',
            'date' => $sale->date,
            'total_sales' => $sale->total_sales,
            'total_incomes' => $sale->total_sale_income,
        ]);

        // INCOME
        $dailyIncomes = DB::table('incomes')
            ->select(
                DB::raw('DATE(incomeDate) as date'),
                DB::raw('SUM(amount) as total_incomes')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->groupBy(DB::raw('DATE(incomeDate)'))
            ->get();

        $income_datas = $dailyIncomes->map(fn ($income) => (object)[
            'type' => 'Income',
            'date' => $income->date,
            'total_incomes' => $income->total_incomes,
        ]);

        // MERGE SALE + INCOME
        $mergedIncomeSaleData = collect();
        $allDates = $dailySales->pluck('date')->merge($dailyIncomes->pluck('date'))->unique()->sort();
        foreach ($allDates as $date) {
            if ($income = $income_datas->firstWhere('date', $date)) {
                $mergedIncomeSaleData->push($income);
            }
            if ($sale = $sale_datas->firstWhere('date', $date)) {
                $mergedIncomeSaleData->push($sale);
            }
        }

        // PAYROLL
        $dailyPayrolls = collect();
        if (moduleCheck('HrmAddon')) {
            $dailyPayrolls = DB::table('payrolls')
                ->select(
                    DB::raw('DATE(date) as date'),
                    DB::raw('SUM(amount) as total_payrolls')
                )
                ->where('business_id', $businessId)
                ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
                ->groupBy(DB::raw('DATE(date)'))
                ->get();
        }

        // EXPENSES
        $dailyExpenses = DB::table('expenses')
            ->select(
                DB::raw('DATE(expenseDate) as date'),
                DB::raw('SUM(amount) as total_expenses_only')
            )
            ->where('business_id', $businessId)
            ->when($branchId, fn ($q) => $q->where('branch_id', $branchId))
            ->groupBy(DB::raw('DATE(expenseDate)'))
            ->get();

        $mergedExpenseData = collect();
        $allExpenseDates = $dailyExpenses->pluck('date')->merge($dailyPayrolls->pluck('date'))->unique()->sort();
        foreach ($allExpenseDates as $date) {
            if ($expense = $dailyExpenses->firstWhere('date', $date)) {
                $mergedExpenseData->push((object)[
                    'type' => 'Expense',
                    'date' => $date,
                    'total_expenses' => $expense->total_expenses_only,
                ]);
            }
            if ($payroll = $dailyPayrolls->firstWhere('date', $date)) {
                $mergedExpenseData->push((object)[
                    'type' => 'Payroll',
                    'date' => $date,
                    'total_expenses' => $payroll->total_payrolls,
                ]);
            }
        }

        // SUMMARY
        $grossSaleProfit = $sale_datas->sum('total_sales');
        $grossIncomeProfit = $income_datas->sum('total_incomes') + $sale_datas->sum('total_incomes');
        $totalExpenses = $mergedExpenseData->sum('total_expenses');
        $netProfit = $grossIncomeProfit - $totalExpenses;

        // RENDER PDF
        return PdfService::render(
            'business::loss-profit-histories.pdf',
            compact(
                'mergedIncomeSaleData',
                'mergedExpenseData',
                'grossSaleProfit',
                'grossIncomeProfit',
                'totalExpenses',
                'netProfit'
            ),
            'loss-profit-history.pdf'
        );
    }
}