<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\IamPrincipal;
use Illuminate\Support\Facades\DB;
use App\Models\ManageRestaurant;
use App\Models\Subscriptions;
use App\Exports\DashboardExportUser;
use App\Exports\DashboardSelectedExportUser;
use Maatwebsite\Excel\Facades\Excel;


class DashboardController extends Controller
{
    /**
     * Created By : sayali parab
     * Created at : 16 May 2024
     * Use : To show the dashboard.
     */

    public function showDashboard()
    {

        $dailyData = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("DATE(created_at) as date"))
            ->whereBetween('created_at', [now()->subDays(7), now()]) // Fetch data for the last 7 days
            ->groupBy(DB::raw("DATE(created_at)"))
            ->orderBy(DB::raw("DATE(created_at)"))
            ->pluck('count', 'date')
            ->toArray();

        $start_date = now()->subDays(7)->startOfDay();
        $end_date = now()->endOfDay();
        $formattedDailyData = [];
        while ($start_date <= $end_date) {
            $formattedDailyData[$start_date->format('Y-m-d')] = isset($dailyData[$start_date->format('Y-m-d')]) ? $dailyData[$start_date->format('Y-m-d')] : 0;
            $start_date->addDay();
        }


        $defaultData = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("MONTH(created_at) as month"))
            ->whereYear('created_at', date('Y'))
            ->groupBy(DB::raw("MONTH(created_at)"))
            ->orderBy(DB::raw("MONTH(created_at)"))
            ->pluck('count', 'month')
            ->toArray();

            $months = range(1, 12);
            $formattedDefaultData = [];
            foreach ($months as $month) {
                $formattedDefaultData[$month] = isset($defaultData[$month]) ? $defaultData[$month] : 0;
            }
            $quarterlyData = Subscriptions::select(
                DB::raw("COUNT(*) as count"),
                DB::raw("QUARTER(created_at) as quarter")
            )
            ->whereYear('created_at', date('Y'))
            ->groupBy(DB::raw("QUARTER(created_at)"))
            ->orderBy(DB::raw("QUARTER(created_at)"))
            ->pluck('count', 'quarter')
            ->toArray();

            // Ensure that $quarterlyData contains zeros for quarters with no data
            for ($i = 1; $i <= 4; $i++) {
                if (!isset($quarterlyData[$i])) {
                    $quarterlyData[$i] = 0;
                }
            }

            // Sort the array by quarter keys
            ksort($quarterlyData);

            // Fetching data for yearly option
            $yearlyData = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("YEAR(created_at) as year"))
                ->groupBy(DB::raw("YEAR(created_at)"))
                ->pluck('count', 'year')
                ->toArray();


        $dataMonthlyWithType3 = IamPrincipal::select(DB::raw("COUNT(*) as count"), DB::raw("MONTH(created_at) as month"))
            ->where('principal_type_xid', 3)
            ->whereYear('created_at', date('Y'))
            ->groupBy(DB::raw("MONTH(created_at)"))
            ->orderBy(DB::raw("MONTH(created_at)"))
            ->pluck('count', 'month')
            ->toArray();

        $dataMonthlyWithType4 = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("MONTH(created_at) as month"))
            ->whereYear('created_at', date('Y'))
            ->groupBy(DB::raw("MONTH(created_at)"))
            ->orderBy(DB::raw("MONTH(created_at)"))
            ->pluck('count', 'month')
            ->toArray();

        // Fill missing months with zeros
        $months = range(1, 12);
        $dataMonthlyWithType3 = array_replace(array_fill_keys($months, 0), $dataMonthlyWithType3);
        $dataMonthlyWithType4 = array_replace(array_fill_keys($months, 0), $dataMonthlyWithType4);

        // Quarterly data
        $dataQuarterlyWithType3 = IamPrincipal::select(DB::raw("COUNT(*) as count"), DB::raw("QUARTER(created_at) as quarter"))
            ->where('principal_type_xid', 3)
            ->groupBy(DB::raw("QUARTER(created_at)"))
            ->orderBy(DB::raw("QUARTER(created_at)"))
            ->pluck('count', 'quarter')
            ->toArray();

        $dataQuarterlyWithType4 = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("QUARTER(created_at) as quarter"))
            ->groupBy(DB::raw("QUARTER(created_at)"))
            ->orderBy(DB::raw("QUARTER(created_at)"))
            ->pluck('count', 'quarter')
            ->toArray();

        // Fill missing quarters with zeros
        $quarters = range(1, 4);
        $dataQuarterlyWithType3 = array_replace(array_fill_keys($quarters, 0), $dataQuarterlyWithType3);
        $dataQuarterlyWithType4 = array_replace(array_fill_keys($quarters, 0), $dataQuarterlyWithType4);

        // Yearly data
        $dataYearlyWithType3 = IamPrincipal::select(DB::raw("COUNT(*) as count"), DB::raw("YEAR(created_at) as year"))
            ->where('principal_type_xid', 3)
            ->groupBy(DB::raw("YEAR(created_at)"))
            ->pluck('count', 'year')
            ->toArray();

        $dataYearlyWithType4 = Subscriptions::select(DB::raw("COUNT(*) as count"), DB::raw("YEAR(created_at) as year"))
            ->groupBy(DB::raw("YEAR(created_at)"))
            ->pluck('count', 'year')
            ->toArray();

        $customerCount = IamPrincipal::where('principal_type_xid', '=', 3)->count();
        $restaurantCount = Subscriptions::where('is_active', 1)->count();
        $dateTime = now();
        $formattedDateTime = $dateTime->format('Y-m-d H:i:s');
        $recent_transaction = Subscriptions::where('next_payment_date', '>=', $formattedDateTime)->with('subscription')->orderBy('id', 'desc')->get()->toArray();


        return view('Admin.dashboard', compact(
            'customerCount',
            'restaurantCount',
            'dataMonthlyWithType3',
            'dataMonthlyWithType4',
            'dataQuarterlyWithType3',
            'dataQuarterlyWithType4',
            'dataYearlyWithType3',
            'dataYearlyWithType4',
            'recent_transaction',
            'dailyData',
            'formattedDailyData',
            'defaultData',
            'formattedDefaultData',
            'quarterlyData',
            'yearlyData'
        ));
    }


        /*
        Created By : Sayali Parab
        Created at : 08 July 2024
        Use : To Get Excel.
        */


    public function exportRecentTransactions(Request $request)
    {
        try {
            if ($request->has('all_id')) {
                $recentTransaction = Subscriptions::with('subscription')->get()->toArray();
                return Excel::download(new DashboardExportUser($recentTransaction), 'recent_transactions.xlsx');
            }

            $ids = $request->input('selected_id');
            $fileName = 'selected_customer_transaction_data.xlsx';
            return Excel::download(new DashboardSelectedExportUser($ids), $fileName);
        } catch (\Exception $e) {
            return response()->json(['error' => 'Export failed. Something went wrong.'], 500);
        }
    }
}