<?php

namespace Modules\Crm\Http\Controllers;

use App\Category;
use App\Contact;
use App\Http\Controllers\Controller;
use App\Transaction;
use App\User;
use App\Utils\ModuleUtil;
use App\Utils\Util;
use Carbon\Carbon;
use DB;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\View;
use Modules\Crm\Entities\CrmContact;
use Modules\Crm\Entities\Schedule;
use Modules\Crm\Utils\CrmUtil;
use Yajra\DataTables\Facades\DataTables;

class ScheduleController extends Controller
{
    /**
     * All Utils instance.
     */
    protected $commonUtil;

    protected $moduleUtil;

    protected $crmUtil;

    /**
     * Constructor
     *
     * @param CommonUtil
     * @return void
     */
    public function __construct(Util $commonUtil, ModuleUtil $moduleUtil, CrmUtil $crmUtil)
    {
        $this->commonUtil = $commonUtil;
        $this->moduleUtil = $moduleUtil;
        $this->crmUtil = $crmUtil;
        $this->status_bg = [
            'scheduled' => 'bg-yellow',
            'open' => 'bg-blue',
            'canceled' => 'bg-red',
            'cancelled' => 'bg-red',
            'completed' => 'bg-green',
        ];
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $business_id = request()->session()->get('user.business_id');
        $can_access_all_schedule = auth()->user()->can('crm.access_all_schedule');
        $can_access_own_schedule = auth()->user()->can('crm.access_own_schedule');

        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module')) || !($can_access_all_schedule || $can_access_own_schedule)) {
            abort(403, 'Unauthorized action.');
        }

        if (request()->ajax()) {
            $schedules = Schedule::leftjoin('contacts', 'crm_schedules.contact_id', '=', 'contacts.id')
                ->leftjoin('users as U', 'crm_schedules.created_by', '=', 'U.id')
                ->leftjoin('categories as C', 'crm_schedules.followup_category_id', '=', 'C.id')
                ->with(['users'])
                ->where('crm_schedules.business_id', $business_id)
                ->select(
                    'crm_schedules.*',
                    'contacts.name as contact',
                    'contacts.supplier_business_name as biz_name',
                    'U.surname',
                    'U.first_name',
                    'U.last_name',
                    'crm_schedules.status as status',
                    'crm_schedules.created_at as added_on',
                    'contacts.type as contact_type',
                    'contacts.id as contact_id',
                    'C.name as followup_category'
                );

            if (request()->input('is_recursive') == 1) {
                $schedules->where('crm_schedules.is_recursive', 1);
            } else {
                $schedules->where('crm_schedules.is_recursive', 0);
            }

            if (!empty(request()->input('contact_id'))) {
                $schedules->where('crm_schedules.contact_id', request()->input('contact_id'));
            }

            if (!empty(request()->input('assgined_to'))) {
                $user_id = request()->input('assgined_to');
                $schedules->whereHas('users', function ($q) use ($user_id) {
                    $q->where('user_id', $user_id);
                });
            }

            if (!empty(request()->input('status'))) {
                if (request()->input('status') == 'none') {
                    $schedules->whereNull('crm_schedules.status');
                } else {
                    $schedules->where('crm_schedules.status', request()->input('status'));
                }
            }

            if (!empty(request()->input('schedule_type'))) {
                $schedules->where('crm_schedules.schedule_type', request()->input('schedule_type'));
            }

            if (!empty(request()->input('followup_category_id'))) {
                $schedules->where('crm_schedules.followup_category_id', request()->input('followup_category_id'));
            }

            if (!empty(request()->input('start_date_time')) && !empty(request()->input('end_date_time'))) {
                $start_date = request()->input('start_date_time');
                $end_date = request()->input('end_date_time');
                $schedules->whereBetween(DB::raw('date(start_datetime)'), [$start_date, $end_date]);
            }

            if (!empty(request()->input('follow_up_by'))) {
                $schedules->where('crm_schedules.follow_up_by', request()->input('follow_up_by'));
            }

            if (!auth()->user()->can('superadmin') && !$can_access_all_schedule) {
                $user_id = auth()->user()->id;
                $schedules->whereHas('users', function ($q) use ($user_id) {
                    $q->where('user_id', $user_id);
                });
            }

            return Datatables::of($schedules)
                ->addColumn('action', function ($row) {
                    $html = '<div class="btn-group">
                                <button class="btn btn-info dropdown-toggle btn-xs" type="button"  data-toggle="dropdown" aria-expanded="false">
                                    ' . __('messages.action') . '
                                    <span class="caret"></span>
                                    <span class="sr-only">'
                        . __('messages.action') . '
                                    </span>
                                </button>
                                  <ul class="dropdown-menu dropdown-menu-left" role="menu">';
                    // <li>
                    //      <a href="' . action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'show'], ['follow_up' => $row->id]) . '" class="cursor-pointer view_schedule">
                    //          <i class="fa fa-eye"></i>
                    //          '.__("messages.view").'
                    //      </a>
                    //  </li>';
                    if ($row->is_recursive != 1) {
                        $html .= '<li>
                                        <a data-schedule_id="' . $row->id . '"class="cursor-pointer view_schedule_log">
                                            <i class="fa fa-eye"></i>
                                            ' . __('crm::lang.view_follow_up') . '
                                        </a>
                                    </li>';

                        $html .= '<li>
                                        <a data-href="' . action([\Modules\Crm\Http\Controllers\ScheduleLogController::class, 'create'], ['schedule_id' => $row->id]) . '"class="cursor-pointer schedule_log_add">
                                            <i class="fa fa-edit"></i>
                                            ' . __('crm::lang.add_schedule_log') . '
                                        </a>
                                    </li>';

                        $html .= '<li>
                                        <a data-href="' . action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'edit'], ['follow_up' => $row->id]) . '"class="cursor-pointer schedule_edit">
                                            <i class="fa fa-edit"></i>
                                            ' . __('messages.edit') . '
                                        </a>
                                    </li>';
                    }

                    $html .= '<li>
                                        <a data-href="' . action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'destroy'], ['follow_up' => $row->id]) . '" class="cursor-pointer schedule_delete">
                                            <i class="fas fa-trash"></i>
                                            ' . __('messages.delete') . '
                                        </a>
                                    </li>';

                    $html .= '</ul>
                            </div>';

                    return $html;
                })
                ->editColumn('start_datetime', ' @if(!empty($start_datetime))
                    @format_datetime($start_datetime)<br>
                    <i>(<span class="time-from-now">{{$start_datetime}}</span>)</i> @endif
                ')
                ->editColumn('end_datetime', '
                    @if(!empty($end_datetime))@format_datetime($end_datetime) @endif
                ')
                ->editColumn('contact', '
                    @if(!empty($biz_name)) {{$biz_name}},<br>@endif {{$contact}}
                    <br>
                    @if($contact_type == "lead")
                        <a href="{{action(\'\Modules\Crm\Http\Controllers\LeadController@show\', [\'lead\' => $contact_id])}}" target="_blank">
                            <i class="fas fa-external-link-square-alt text-info"></i>
                        </a>
                    @else
                    <a href="{{action(\'App\Http\Controllers\ContactController@show\', [$contact_id])}}" target="_blank">
                            <i class="fas fa-external-link-square-alt text-info"></i>
                        </a>
                    @endif
                ')
                ->addColumn('added_by', function ($row) {
                    return "{$row->surname} {$row->first_name} {$row->last_name}";
                })
                ->addColumn('additional_info', function ($row) {
                    $html = '';
                    $infos = $row->followup_additional_info;
                    if (!empty($infos)) {
                        foreach ($infos as $key => $value) {
                            $html .= $key . ' : ' . $value . '<br>';
                        }
                    }

                    return $html;
                })
                ->editColumn('added_on', '
                    @format_datetime($added_on)
                ')
                ->editColumn('schedule_type', function ($row) {
                    $html = '';
                    if (!empty($row->schedule_type)) {
                        $html = '<div class="schedule_type" data-orig-value="' . __('crm::lang.' . $row->schedule_type) . '" data-status-name="' . __('crm::lang.' . $row->schedule_type) . '">
                                    ' . __('crm::lang.' . $row->schedule_type) .
                            '</div>';
                    }

                    return $html;
                })
                ->editColumn('users', function ($row) {
                    $html = '&nbsp;';
                    if ($row->users->count() > 0) {
                        foreach ($row->users as $user) {
                            if (isset($user->media->display_url)) {
                                $html .= '<img class="user_avatar" src="' . $user->media->display_url . '" data-toggle="tooltip" title="' . $user->user_full_name . '">';
                            } else {
                                $html .= '<img class="user_avatar" src="https://ui-avatars.com/api/?name=' . $user->first_name . '" data-toggle="tooltip" title="' . $user->user_full_name . '">';
                            }
                        }
                    }

                    return $html;
                })
                ->editColumn('status', function ($row) {
                    $html = '';
                    if (!empty($row->status)) {
                        $html = '<span class="text-center label status ' . $this->status_bg[$row->status] . '" data-orig-value="' . __('crm::lang.' . $row->status) . '" data-status-name="' . __('crm::lang.' . $row->status) . '"><small>
                                    ' . __('crm::lang.' . $row->status) .
                            '</small></span>';
                    }

                    return $html;
                })
                ->editColumn('follow_up_by', function ($row) {
                    $follow_up_by = '';

                    if ($row->follow_up_by == 'payment_status') {
                        $follow_up_by = __('sale.payment_status') . ' - ' . __('lang_v1.' . $row->follow_up_by_value);
                    } elseif ($row->follow_up_by == 'orders') {
                        $follow_up_by = __('restaurant.orders') . ' - ' . __('crm::lang.has_no_transactions');
                    }

                    return $follow_up_by;
                })
                ->removeColumn('id')
                ->rawColumns([
                    'action', 'start_datetime', 'end_datetime', 'users', 'contact', 'added_on',
                    'additional_info', 'schedule_type', 'status', 'description',
                ])
                ->make(true);
        }

        $leads = CrmContact::leadsDropdown($business_id, false);
        $contacts = Contact::customersDropdown($business_id, false)->toArray();

        foreach ($contacts as $key => $value) {
            $contacts[$key] = $value . ' (' . __('contact.customer') . ')';
        }
        foreach ($leads as $key => $value) {
            $contacts[$key] = $value . ' (' . __('crm::lang.lead') . ')';
        }

        $assigned_to = User::forDropdown($business_id, false);
        $statuses = Schedule::statusDropdown(true);
        $follow_up_types = Schedule::followUpTypeDropdown();

        // Set default user from get parameter
        $default_user = request()->input('assigned_to', null);

        // Set default status from get parameter
        $default_status = request()->input('status', null);

        // Set default date from get parameter (Gregorian Y-m-d for filters)
        $default_start_date = request()->input('start_date', null);
        $default_end_date = request()->input('end_date', null);
        $default_date_range_label = null;

        if (! empty($default_start_date) && ! empty($default_end_date)) {
            $default_date_range_label = $this->commonUtil->format_date($default_start_date)
                .' ~ '.$this->commonUtil->format_date($default_end_date);
        }

        $default_followup_category_id = request()->input('followup_category_id', null);

        $followup_category = Category::forDropdown($business_id, 'followup_category');

        return view('crm::schedule.index')
            ->with(compact(
                'contacts',
                'assigned_to',
                'statuses',
                'follow_up_types',
                'default_start_date',
                'default_end_date',
                'default_date_range_label',
                'default_status',
                'default_user',
                'followup_category',
                'default_followup_category_id'
            ));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        $business_id = request()->session()->get('user.business_id');
        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module'))) {
            abort(403, 'Unauthorized action.');
        }

        $schedule_for = request()->get('schedule_for', 'customer');
        $statuses = Schedule::statusDropdown();
        $follow_up_types = Schedule::followUpTypeDropdown();
        $notify_type = Schedule::followUpNotifyTypeDropdown();
        $followup_tags = $this->crmUtil->getAdvFollowupsTags();
        $users = User::forDropdown($business_id, false);
        $followup_category = Category::forDropdown($business_id, 'followup_category');

        if (request()->has('is_recursive')) {
            return view('crm::schedule.create_recursive_follow_up')
                ->with(compact('statuses', 'follow_up_types', 'notify_type', 'followup_tags', 'users', 'followup_category'));
        }

        $customers = CrmContact::getCustomerAndLeadsDropdown($business_id);
        if (request()->ajax()) {
            $contact_id = request()->get('contact_id', '');

            return view('crm::schedule.create')
                ->with(compact('customers', 'users', 'statuses', 'contact_id', 'schedule_for', 'follow_up_types', 'notify_type', 'followup_category'));
        }

        return view('crm::schedule.create_advance_follow_up')
            ->with(compact('statuses', 'schedule_for', 'follow_up_types', 'notify_type', 'followup_tags', 'customers', 'followup_category'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $business_id = request()->session()->get('user.business_id');
        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module'))) {
            abort(403, 'Unauthorized action.');
        }

        try {
            $input = $request->except(['_token', 'schedule_for', 'contact_ids']);
            if (empty($input['is_recursive'])) {
                $input['start_datetime'] = $this->commonUtil->uf_date($input['start_datetime'], true);
                $input['end_datetime'] = $this->commonUtil->uf_date($input['end_datetime'], true);
            }

            DB::beginTransaction();
            if (empty($input['follow_ups']) && empty($input['is_recursive'])) {
                $this->crmUtil->addFollowUp($input, \Auth::user());
            } elseif (!empty($input['is_recursive'])) {
                $this->crmUtil->addRecursiveFollowUp($input, \Auth::user());
            } else {
                $this->crmUtil->addAdvanceFollowUp($input, \Auth::user());
            }
            DB::commit();

            $schedule_for = request()->get('schedule_for', 'customer');

            $output = [
                'success' => true,
                'msg' => __('lang_v1.success'),
                'schedule_for' => $schedule_for,
            ];
        } catch (Exception $e) {
            DB::rollBack();
            \Log::emergency('File:' . $e->getFile() . 'Line:' . $e->getLine() . 'Message:' . $e->getMessage());

            $output = [
                'success' => false,
                'msg' => __('messages.something_went_wrong'),
            ];
        }

        if (request()->ajax()) {
            return $output;
        } else {
            return redirect()->action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'index'])->with(['status' => $output]);
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        $business_id = request()->session()->get('user.business_id');
        $can_access_all_schedule = auth()->user()->can('crm.access_all_schedule');
        $can_access_own_schedule = auth()->user()->can('crm.access_own_schedule');

        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module')) || !($can_access_all_schedule || $can_access_own_schedule)) {
            abort(403, 'Unauthorized action.');
        }

        $query = Schedule::with(['customer', 'users', 'invoices', 'invoices.payment_lines'])
                        ->where('business_id', $business_id);

        if (! $can_access_all_schedule && $can_access_own_schedule) {
            $query->where(function ($qry) {
                $qry->whereHas('users', function ($q) {
                    $q->where('user_id', auth()->user()->id);
                })->orWhere('created_by', auth()->user()->id);
            });
        }
        $schedule = $query->findOrFail($id);

        return view('crm::schedule.show')
            ->with(compact('schedule'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $business_id = request()->session()->get('user.business_id');
        $can_access_all_schedule = auth()->user()->can('crm.access_all_schedule');
        $can_access_own_schedule = auth()->user()->can('crm.access_own_schedule');

        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module')) || !($can_access_all_schedule || $can_access_own_schedule)) {
            abort(403, 'Unauthorized action.');
        }

        $query = Schedule::with(['customer', 'users'])
            ->where('business_id', $business_id);

        if (!$can_access_all_schedule && $can_access_own_schedule) {
            $query->where(function ($qry) {
                $qry->whereHas('users', function ($q) {
                    $q->where('user_id', auth()->user()->id);
                })->orWhere('created_by', auth()->user()->id);
            });
        }
        $schedule = $query->findOrFail($id);

        $schedule_for = request()->get('schedule_for', 'customer');

        $leads = CrmContact::leadsDropdown($business_id, false, false);
        $customers = Contact::customersDropdown($business_id, false, false)->toArray();
        $followup_category = Category::forDropdown($business_id, 'followup_category');

        foreach ($customers as $key => $value) {
            $customers[$key] = $value . ' (' . __('contact.customer') . ')';
        }
        foreach ($leads as $key => $value) {
            $customers[$key] = $value . ' (' . __('crm::lang.lead') . ')';
        }

        $users = User::forDropdown($business_id, false);
        $statuses = Schedule::statusDropdown();
        $follow_up_types = Schedule::followUpTypeDropdown();
        $notify_type = Schedule::followUpNotifyTypeDropdown();

        return view('crm::schedule.edit')
            ->with(compact('schedule', 'customers', 'users', 'statuses', 'schedule_for', 'follow_up_types', 'notify_type', 'followup_category'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $business_id = request()->session()->get('user.business_id');
        $can_access_all_schedule = auth()->user()->can('crm.access_all_schedule');
        $can_access_own_schedule = auth()->user()->can('crm.access_own_schedule');

        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module')) || !($can_access_all_schedule || $can_access_own_schedule)) {
            abort(403, 'Unauthorized action.');
        }

        try {
            $request = $request->except(['_method', '_token', 'schedule_for']);
            $request['start_datetime'] = $this->commonUtil->uf_date($request['start_datetime'], true);
            $request['end_datetime'] = $this->commonUtil->uf_date($request['end_datetime'], true);

            $this->crmUtil->updateFollowUp($id, $request, \Auth::user());

            $schedule_for = request()->get('schedule_for', 'customer');

            $output = [
                'success' => true,
                'msg' => __('lang_v1.success'),
                'schedule_for' => $schedule_for,
            ];
        } catch (Exception $e) {
            \Log::emergency('File:' . $e->getFile() . 'Line:' . $e->getLine() . 'Message:' . $e->getMessage());

            $output = [
                'success' => false,
                'msg' => __('messages.something_went_wrong'),
            ];
        }

        return $output;
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $business_id = request()->session()->get('user.business_id');
        $can_access_all_schedule = auth()->user()->can('crm.access_all_schedule');
        $can_access_own_schedule = auth()->user()->can('crm.access_own_schedule');

        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module')) || !($can_access_all_schedule || $can_access_own_schedule)) {
            abort(403, 'Unauthorized action.');
        }

        if (request()->ajax()) {
            try {
                $query = Schedule::where('business_id', $business_id);

                if (!$can_access_all_schedule && $can_access_own_schedule) {
                    $query->where(function ($qry) {
                        $qry->whereHas('users', function ($q) {
                            $q->where('user_id', auth()->user()->id);
                        })->orWhere('created_by', auth()->user()->id);
                    });
                }
                $schedule = $query->findOrFail($id);

                $schedule->delete();

                $view_type = request()->get('view_type', 'schedule');
                $output = [
                    'success' => true,
                    'msg' => __('lang_v1.success'),
                    'action' => action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'index']),
                    'view_type' => $view_type,
                ];
            } catch (Exception $e) {
                \Log::emergency('File:' . $e->getFile() . 'Line:' . $e->getLine() . 'Message:' . $e->getMessage());

                $output = [
                    'success' => false,
                    'msg' => __('messages.something_went_wrong'),
                ];
            }

            return $output;
        }
    }

    /**
     * Get today's schedule
     *
     * @return \Illuminate\Http\Response
     */
    public function getTodaysSchedule()
    {
        $business_id = request()->session()->get('user.business_id');
        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module'))) {
            abort(403, 'Unauthorized action.');
        }

        try {
            $start_date = Carbon::today();

            $query = $this->crmUtil->getFollowUpForGivenDate(\Auth::user(), $start_date);

            $schedules = $query->get();

            $schedule_html = view('crm::schedule.partial.today_schedule')
                ->with(compact('schedules'))
                ->render();
            $output = [
                'success' => true,
                'msg' => __('lang_v1.success'),
                'todays_schedule' => $schedule_html,
            ];
        } catch (Exception $e) {
            \Log::emergency('File:' . $e->getFile() . 'Line:' . $e->getLine() . 'Message:' . $e->getMessage());

            $output = [
                'success' => false,
                'msg' => __('messages.something_went_wrong'),
            ];
        }

        return $output;
    }

    public function getLeadSchedule(Request $request)
    {
        $business_id = request()->session()->get('user.business_id');
        if (!(auth()->user()->can('superadmin') || $this->moduleUtil->hasThePermissionInSubscription($business_id, 'crm_module'))) {
            abort(403, 'Unauthorized action.');
        }

        $lead_id = $request->get('lead_id');
        $schedules = Schedule::with('users')
            ->where('business_id', $business_id)
            ->where('contact_id', $lead_id)
            ->select('*');

        return Datatables::of($schedules)
            ->addColumn('action', function ($row) {
                $html = '<div class="btn-group">
                            <button class="btn btn-info dropdown-toggle btn-xs" type="button"  data-toggle="dropdown" aria-expanded="false">
                                ' . __('messages.action') . '
                                <span class="caret"></span>
                                <span class="sr-only">'
                    . __('messages.action') . '
                                </span>
                            </button>
                              <ul class="dropdown-menu dropdown-menu-left" role="menu">
                                <li>
                                    <a data-schedule_id="' . $row->id . '"class="cursor-pointer view_schedule_log">
                                        <i class="fa fa-eye"></i>
                                        ' . __('crm::lang.view_follow_up') . '
                                    </a>
                                </li>
                                <li>
                                    <a data-href="' . action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'edit'], ['follow_up' => $row->id]) . '?schedule_for=lead"class="cursor-pointer schedule_edit">
                                        <i class="fa fa-edit"></i>
                                        ' . __('messages.edit') . '
                                    </a>
                                </li>
                                <li>
                                    <a data-href="' . action([\Modules\Crm\Http\Controllers\ScheduleController::class, 'destroy'], ['follow_up' => $row->id]) . '" class="cursor-pointer schedule_delete">
                                        <i class="fas fa-trash"></i>
                                        ' . __('messages.delete') . '
                                    </a>
                                </li>';

                $html .= '</ul>
                        </div>';

                return $html;
            })
            ->editColumn('start_datetime', '
                @format_datetime($start_datetime)
            ')
            ->editColumn('end_datetime', '
                @format_datetime($end_datetime)
            ')
            ->editColumn('users', function ($row) {
                $html = '&nbsp;';
                foreach ($row->users as $user) {
                    if (isset($user->media->display_url)) {
                        $html .= '<img class="user_avatar" src="' . $user->media->display_url . '" data-toggle="tooltip" title="' . $user->user_full_name . '">';
                    } else {
                        $html .= '<img class="user_avatar" src="https://ui-avatars.com/api/?name=' . $user->first_name . '" data-toggle="tooltip" title="' . $user->user_full_name . '">';
                    }
                }

                return $html;
            })
            ->removeColumn('id')
            ->rawColumns(['action', 'start_datetime', 'end_datetime', 'users'])
            ->make(true);
    }

    /**
     * Get invoices dropdaown by payment status or transaction activity
     *
     * @return array
     */
    public function getInvoicesForFollowUp()
    {
        $business_id = request()->session()->get('user.business_id');
        $follow_up_by = request()->input('follow_up_by');
        $payment_status = request()->input('payment_status');

        $query = Transaction::with(['contact'])
            ->where('business_id', $business_id)
            ->where('type', 'sell')
            ->where('status', 'final');

        $permitted_locations = auth()->user()->permitted_locations();
        if ($permitted_locations != 'all') {
            $query->whereIn('transactions.location_id', $permitted_locations);
        }

        if ($follow_up_by == 'payment_status') {
            if ($payment_status == 'all') {
                $query->whereIn('payment_status', ['due', 'partial']);
            } elseif ($payment_status == 'due') {
                $query->where('payment_status', 'due');
            } elseif ($payment_status == 'partial') {
                $query->where('payment_status', 'partial');
            } elseif ($payment_status == 'overdue') {
                $query->overDue();
            }
        }

        $sells = $query->select('id', 'invoice_no', 'payment_status', 'contact_id', 'pay_term_number', 'pay_term_type', 'transaction_date')
            ->get();

        $sells_array = [];

        foreach ($sells as $sell) {
            $payment_status = Transaction::getPaymentStatus($sell);
            $contact = ' - ' . $sell->contact->name;
            if (!empty($sell->contact->supplier_business_name)) {
                $contact = ' - ' . $sell->contact->supplier_business_name . $contact;
            }

            $sells_array[] = [
                'id' => $sell->id,
                'text' => $sell->invoice_no . ' (' . __('lang_v1.' . $payment_status) . $contact . ')',
            ];
        }

        return $sells_array;
    }

    /**
     * Groups customers for follow-up based on payment status
     * or transaction activity
     *
     * @return html
     */
    public function getFollowUpGroups()
    {
        $business_id = request()->session()->get('user.business_id');
        $users = User::forDropdown($business_id, false);
        $follow_up_by = request()->input('follow_up_by');
        if ($follow_up_by == 'payment_status') {
            $invoices = request()->input('invoices');
            $sells = Transaction::where('business_id', $business_id)
                ->where('type', 'sell')
                ->where('status', 'final')
                ->whereIn('id', $invoices)
                ->with(['contact'])
                ->select('id', 'invoice_no', 'contact_id')
                ->get();

            $sells_by_customer = [];

            foreach ($sells as $sell) {
                $sells_by_customer[$sell->contact_id][] = $sell;
            }

            return view('crm::schedule.partial.group_invoices_by_customer')
                ->with(compact('sells_by_customer', 'users'));
        } elseif ($follow_up_by == 'contact_name') {
            $contact_ids = request()->input('contact_ids');
            $customers = Contact::where('contacts.business_id', $business_id)
                ->whereIn('id', $contact_ids)
                ->get();

            return view('crm::schedule.partial.group_customers')
                ->with(compact('customers', 'users'));
        } else {
            $days = request()->input('days');

            $from_transaction_date = \Carbon::now()->subDays($days)->format('Y-m-d');
            $query = Contact::where('contacts.business_id', $business_id)
                ->OnlyCustomers()
                ->leftJoin('transactions as t', 't.contact_id', '=', 'contacts.id');

            if ($follow_up_by == 'has_transactions') {
                $query->whereNotNull('t.id')
                    ->havingRaw("MAX(DATE(transaction_date)) >= '{$from_transaction_date}'");
            }

            if ($follow_up_by == 'has_no_transactions') {
                $query->havingRaw("MAX(DATE(transaction_date)) < '{$from_transaction_date}'")
                    ->orHavingRaw('transaction_date IS NULL');
            }

            $customers = $query->select('contacts.*', 'transaction_date')
                ->groupBy('contacts.id')
                ->get();

            return view('crm::schedule.partial.group_customers')
                ->with(compact('customers', 'users'));
        }
    }

    public function getCustomerDropdown($business_id)
    {
        $leads = CrmContact::leadsDropdown($business_id, false);
        $customers = Contact::customersDropdown($business_id, false)->toArray();

        foreach ($customers as $key => $value) {
            $customers[$key] = $value . ' (' . __('contact.customer') . ')';
        }
        foreach ($leads as $key => $value) {
            $customers[$key] = $value . ' (' . __('crm::lang.lead') . ')';
        }

        return $customers;
    }
}