<?php

namespace Modules\DailySalePaymentReportModule\Http\Controllers;

use Illuminate\Contracts\Support\Renderable;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;

class DailySalePaymentReportModuleController extends Controller
{
    /**
     * Display a listing of the resource.
     * @return Renderable
     */
    public function index(Request $request)
    {
        $report_date = $request->input('report_date', Carbon::today()->toDateString());

        // Helper function (Closure) to calculate payment breakdown from a collection of payments
        $calculatePayments = function ($payments) {
            $breakdown = [
                'cash' => 0,
                'card1' => 0,
                'card2' => 0,
                'card3' => 0,
                'online_transfer' => 0,
                'link_pay' => 0
            ];
            foreach ($payments as $payment) {
                $method = strtolower(trim($payment->paying_method));
                if ($method == 'cash') {
                    $breakdown['cash'] += $payment->total_amount;
                } elseif ($method == 'card 1' || $method == 'card1') {
                    $breakdown['card1'] += $payment->total_amount;
                } elseif ($method == 'card 2' || $method == 'card2') {
                    $breakdown['card2'] += $payment->total_amount;
                } elseif ($method == 'card 3' || $method == 'card3') {
                    $breakdown['card3'] += $payment->total_amount;
                } elseif (str_contains($method, 'online')) {
                    $breakdown['online_transfer'] += $payment->total_amount;
                } elseif (str_contains($method, 'link')) {
                    $breakdown['link_pay'] += $payment->total_amount;
                }
            }
            return $breakdown;
        };

        // --- TABLE 1: Daily Sales ---
        $sales = DB::table('sales')
            ->leftJoin('users', 'sales.user_id', '=', 'users.id')
            ->leftJoin('customers', 'sales.customer_id', '=', 'customers.id')
            ->whereDate('sales.created_at', $report_date)
            ->select(
                'sales.id',
                'sales.created_at as date',
                'sales.reference_no',
                'users.name as cashier',
                'customers.name as customer',
                'sales.grand_total',
                'sales.due_amount'
            )->get();

        $sales_data = [];
        foreach ($sales as $sale) {
            // Get payments ONLY made on the report_date
            $payments = DB::table('payments')
                ->where('sale_id', $sale->id)
                ->whereDate('created_at', $report_date)
                ->select('paying_method', DB::raw('SUM(amount) as total_amount'))
                ->groupBy('paying_method')
                ->get();

            $breakdown = $calculatePayments($payments);

            $sales_data[] = (object) array_merge([
                'date' => Carbon::parse($sale->date)->format('Y-m-d'),
                'reference_no' => $sale->reference_no,
                'cashier' => $sale->cashier ?? 'N/A',
                'customer' => $sale->customer ?? 'N/A',
                'grand_total' => $sale->grand_total,
                'due_amount' => $sale->due_amount
            ], $breakdown);
        }


        return view('dailysalepaymentreportmodule::index', compact('sales_data', 'report_date'));
    }

    /**
     * Show the form for creating a new resource.
     * @return Renderable
     */
    public function create()
    {
        return view('dailysalepaymentreportmodule::create');
    }

    /**
     * Store a newly created resource in storage.
     * @param Request $request
     * @return Renderable
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Show the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function show($id)
    {
        return view('dailysalepaymentreportmodule::show');
    }

    /**
     * Show the form for editing the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function edit($id)
    {
        return view('dailysalepaymentreportmodule::edit');
    }

    /**
     * Update the specified resource in storage.
     * @param Request $request
     * @param int $id
     * @return Renderable
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     * @param int $id
     * @return Renderable
     */
    public function destroy($id)
    {
        //
    }

    public function exportReport(Request $request)
    {

        $date = $request->query('date');
        $type = $request->query('type');


        return "Export function is working. Selected Date: " . $date . " | Export Type: " . $type;
    }
}