<?php

namespace App\Http\Controllers\Panel;

use App\Http\Controllers\Controller;
use App\Mixins\RegistrationPackage\UserPackage;
use App\Models\Comment;
use App\Models\Gift;
use App\Models\Meeting;
use App\Models\ReserveMeeting;
use App\Models\Sale;
use App\Models\Support;
use App\Models\Webinar;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;

class DashboardController extends Controller
{
    public function dashboard()
    {
        $user = auth()->user();

        $nextBadge = $user->getBadges(true, true);

        $data = [
            'pageTitle' => trans('panel.dashboard'),
            'nextBadge' => $nextBadge
        ];

        if (!$user->isUser()) {
            $meetingIds = Meeting::where('creator_id', $user->id)->pluck('id')->toArray();
            $pendingAppointments = ReserveMeeting::whereIn('meeting_id', $meetingIds)
                ->whereHas('sale')
                ->where('status', ReserveMeeting::$pending)
                ->count();

            $userWebinarsIds = $user->webinars->pluck('id')->toArray();
            $supports = Support::whereIn('webinar_id', $userWebinarsIds)->where('status', 'open')->get();

            $comments = Comment::whereIn('webinar_id', $userWebinarsIds)
                ->where('status', 'active')
                ->whereNull('viewed_at')
                ->get();

            $time = time();
            $firstDayMonth = strtotime(date('Y-m-01', $time));// First day of the month.
            $lastDayMonth = strtotime(date('Y-m-t', $time));// Last day of the month.

            $monthlySales = Sale::where('seller_id', $user->id)
                ->whereNull('refund_at')
                ->whereBetween('created_at', [$firstDayMonth, $lastDayMonth])
                ->get();

            $data['pendingAppointments'] = $pendingAppointments;
            $data['supportsCount'] = count($supports);
            $data['commentsCount'] = count($comments);
            $data['monthlySalesCount'] = count($monthlySales) ? $monthlySales->sum('total_amount') : 0;
            $data['monthlyChart'] = $this->getMonthlySalesOrPurchase($user);
        } else {
            $webinarsIds = $user->getPurchasedCoursesIds();

            $webinars = Webinar::whereIn('id', $webinarsIds)
                ->where('status', 'active')
                ->get();

            $reserveMeetings = ReserveMeeting::where('user_id', $user->id)
                ->whereHas('sale', function ($query) {
                    $query->whereNull('refund_at');
                })
                ->where('status', ReserveMeeting::$open)
                ->get();

            $supports = Support::where('user_id', $user->id)
                ->whereNotNull('webinar_id')
                ->where('status', 'open')
                ->get();

            $comments = Comment::where('user_id', $user->id)
                ->whereNotNull('webinar_id')
                ->where('status', 'active')
                ->get();

            $data['webinarsCount'] = count($webinars);
            $data['supportsCount'] = count($supports);
            $data['commentsCount'] = count($comments);
            $data['reserveMeetingsCount'] = count($reserveMeetings);
            $data['monthlyChart'] = $this->getMonthlySalesOrPurchase($user);
        }

        $data['giftModal'] = $this->showGiftModal($user);

        return view(getTemplate() . '.panel.dashboard.index', $data);
    }

    private function showGiftModal($user)
    {
        $gift = Gift::query()->where('email', $user->email)
            ->where('status', 'active')
            ->where('viewed', false)
            ->where(function ($query) {
                $query->whereNull('date');
                $query->orWhere('date', '<', time());
            })
            ->whereHas('sale')
            ->first();

        if (!empty($gift)) {
            $gift->update([
                'viewed' => true
            ]);

            $data = [
                'gift' => $gift
            ];

            $result = (string)view()->make('web.default.panel.dashboard.gift_modal', $data);
            $result = str_replace(array("\r\n", "\n", "  "), '', $result);

            return $result;
        }

        return null;
    }

    private function getMonthlySalesOrPurchase($user)
    {
        $months = [];
        $data = [];

        // all 12 months
        for ($month = 1; $month <= 12; $month++) {
            $date = Carbon::create(date('Y'), $month);

            $start_date = $date->timestamp;
            $end_date = $date->copy()->endOfMonth()->timestamp;

            $months[] = trans('panel.month_' . $month);

            if (!$user->isUser()) {
                $monthlySales = Sale::where('seller_id', $user->id)
                    ->whereNull('refund_at')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->sum('total_amount');

                $data[] = round($monthlySales, 2);
            } else {
                $monthlyPurchase = Sale::where('buyer_id', $user->id)
                    ->whereNull('refund_at')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->count();

                $data[] = $monthlyPurchase;
            }
        }

        return [
            'months' => $months,
            'data' => $data
        ];
    }
}