<?php

namespace App\Models;

# use Illuminate\Database\Eloquent\Model;

use App\Helpers\TimeLine;
use Exception;
use Illuminate\Support\Facades\DB;

class Pro extends Model
{
    protected $table = 'pro';

    public function displayName() {
        $name = [];
        if(!empty($this->name_last)) $name[] = $this->name_last;
        if(!empty($this->name_first)) $name[] = $this->name_first;
        if(!count($name)) {
            $name = $this->name_display;
        }
        else {
            $name = implode(", ", $name);
        }
        return $name;
    }

    public function initials() {
        $characters = [];
        if(!empty($this->name_first)) $characters[] = $this->name_first[0];
        if(!empty($this->name_last)) $characters[] = $this->name_last[0];
        return strtolower(implode("", $characters));
    }

    public function cmBills()
    {
        return $this->hasMany(Bill::class, 'cm_pro_id');
    }


    public function hcpBills()
    {
        return $this->hasMany(Bill::class, 'hcp_pro_id');
    }

    public function lastPayment() {
        return ProTransaction
            ::where('pro_id', $this->id)
            ->where('plus_or_minus', 'PLUS')
            ->orderBy('created_at', 'desc')
            ->first();
    }

    public function hasRates() {
        $numRates = ProRate::where('is_active', true)->where('pro_id', $this->id)->count();
        return $numRates > 0;
    }

    public function cmRates() {
        return ProRate::distinct('code')
            ->where('is_active', true)
            ->where('pro_id', $this->id)
            ->where('code', 'LIKE', 'CM%')
            ->get();
    }

    public function rmRates() {
        return ProRate::distinct('code')
            ->where('is_active', true)
            ->where('pro_id', $this->id)
            ->where('code', 'LIKE', 'RM%')
            ->get();
    }

    public function noteRates() {
        return ProRate::distinct('code')
            ->where('is_active', true)
            ->where('pro_id', $this->id)
            ->where('code', 'NOT LIKE', 'CM%')
            ->where('code', 'NOT LIKE', 'RM%')
            ->get();
    }

    public function shortcuts() {
        return $this->hasMany(ProTextShortcut::class, 'pro_id')->where('is_removed', false);
    }

    public function noteTemplates() {
        return $this->hasMany(NoteTemplatePro::class, 'pro_id')
            ->where('is_removed', false)
            ->orderBy('position_index', 'asc');
    }

    public function currentWork() {
        return ProClientWork::where('pro_id', $this->id)->where('is_active', true)->first();
    }

    public function isWorkingOnClient($_client) {
        $count = ProClientWork::where('pro_id', $this->id)->where('client_id', $_client->id)->where('is_active', true)->count();
        return $count > 0;
    }

    public function canvasCustomItems($_key) {
        return ClientCanvasDataCustomItem::where('key', $_key)->get();
    }


    /**
     * @param $_start - YYYY-MM-DD
     * @param $_end - YYYY-MM-DD
     * @param string $_timezone - defaults to EASTERN
     * @param string $_availableBG - defaults to #00a
     * @param string $_unavailableBG - defaults to #a00
     * @return array
     * @throws Exception
     */
    public function getAvailabilityEvents($_start, $_end, $_timezone = 'EASTERN', $_availableBG = '#00a', $_unavailableBG = '#a00') {

        $_start .= ' 00:00:00';
        $_end .= ' 23:59:59';

        // get availability data
        $proGenAvail = ProGeneralAvailability
            ::where('is_cancelled', false)
            ->where('pro_id', $this->id)
            ->get();
        $proSpecAvail = ProSpecificAvailability
            ::where('is_cancelled', false)
            ->where('pro_id', $this->id)
            ->where(function ($query) use ($_start, $_end) {
                $query
                    ->where(function ($query2) use ($_start, $_end) {
                        $query2
                            ->where('start_time', '>=', $_start)
                            ->where('start_time', '<=', $_end);
                    })
                    ->orWhere(function ($query2) use ($_start, $_end) {
                        $query2
                            ->where('end_time', '>=', $_start)
                            ->where('end_time', '<=', $_end);
                    });
            })
            ->get();
        $proSpecUnavail = ProSpecificUnavailability
            ::where('is_cancelled', false)
            ->where('pro_id', $this->id)
            ->where(function ($query) use ($_start, $_end) {
                $query
                    ->where(function ($query2) use ($_start, $_end) {
                        $query2
                            ->where('start_time', '>=', $_start)
                            ->where('start_time', '<=', $_end);
                    })
                    ->orWhere(function ($query2) use ($_start, $_end) {
                        $query2
                            ->where('end_time', '>=', $_start)
                            ->where('end_time', '<=', $_end);
                    });
            })
            ->get();

        // default GA
        // if no gen avail, assume mon to fri, 9 to 7
        /*if (count($proGenAvail) === 0) {
            $dayNames = ['MONDAY', 'TUESDAY', 'WEDNESDAY', 'THURSDAY', 'FRIDAY'];
            foreach ($dayNames as $dayName) {
                $item = new \stdClass();
                $item->day_of_week = $dayName;
                $item->timezone = $_timezone;
                $item->start_time = '09:00:00';
                $item->end_time = '18:00:00';
                $proGenAvail->push($item);
            }
        }*/

        // create timeline
        $phpTZ = appTZtoPHPTZ($_timezone);
        $phpTZObject = new \DateTimeZone($phpTZ);
        $startDate = new \DateTime($_start, $phpTZObject);
        $endDate = new \DateTime($_end, $phpTZObject);
        $proTimeLine = new TimeLine($startDate, $endDate);

        // General availability
        $period = new \DatePeriod($startDate, \DateInterval::createFromDateString('1 day'), $endDate);
        $days = [];
        foreach ($period as $day) {
            $days[] = [
                "day" => strtoupper($day->format("l")), // SUNDAY, etc.
                "date" => $day->format("Y-m-d"), // 2020-10-04, etc.
            ];
        }
        foreach ($days as $day) {
            $proGenAvailForTheDay = $proGenAvail->filter(function ($record) use ($day) {
                return $record->day_of_week === $day["day"];
            });
            foreach ($proGenAvailForTheDay as $ga) {
                $gaStart = new \DateTime($day["date"], new \DateTimeZone(appTZtoPHPTZ($ga->timezone)));
                $parts = explode(":", $ga->start_time);
                $gaStart->setTime(intval($parts[0]), intval($parts[1]), intval($parts[2]));
                $gaStart->setTimezone($phpTZObject);
                $gaEnd = new \DateTime($day["date"], new \DateTimeZone(appTZtoPHPTZ($ga->timezone)));
                $parts = explode(":", $ga->end_time);
                $gaEnd->setTime(intval($parts[0]), intval($parts[1]), intval($parts[2]));
                $gaEnd->setTimezone($phpTZObject);
                $proTimeLine->addAvailability($gaStart, $gaEnd);
            }
        }

        // specific availability
        foreach ($proSpecAvail as $sa) {
            $saStart = new \DateTime($sa->start_time, new \DateTimeZone(appTZtoPHPTZ($sa->timezone)));
            $saStart->setTimezone($phpTZObject);
            $saEnd = new \DateTime($sa->end_time, new \DateTimeZone(appTZtoPHPTZ($sa->timezone)));
            $saEnd->setTimezone($phpTZObject);
            $proTimeLine->addAvailability($saStart, $saEnd);
        }

        // specific unavailability
        foreach ($proSpecUnavail as $sua) {
            $suaStart = new \DateTime($sua->start_time, new \DateTimeZone(appTZtoPHPTZ($sua->timezone)));
            $suaStart->setTimezone($phpTZObject);
            $suaEnd = new \DateTime($sua->end_time, new \DateTimeZone(appTZtoPHPTZ($sua->timezone)));
            $suaEnd->setTimezone($phpTZObject);
            $proTimeLine->removeAvailability($suaStart, $suaEnd);
        }

        $events = [];

        // availability
        foreach ($proTimeLine->getAvailable() as $item) {
            $eStart = new \DateTime('@' . $item->start);
            $eStart->setTimezone($phpTZObject);
            $eEnd = new \DateTime('@' . $item->end);
            $eEnd->setTimezone($phpTZObject);
            $events[] = [
                "type" => "availability",
                "start" => $eStart->format('Y-m-d H:i:s'),
                "end" => $eEnd->format('Y-m-d H:i:s'),
                "editable" => false,
                "backgroundColor" => $_availableBG
            ];
        }

        // unavailability
        foreach ($proTimeLine->getUnavailable() as $item) {
            $eStart = new \DateTime('@' . $item->start);
            $eStart->setTimezone($phpTZObject);
            $eEnd = new \DateTime('@' . $item->end);
            $eEnd->setTimezone($phpTZObject);
            $events[] = [
                "type" => "unavailability",
                "start" => $eStart->format('Y-m-d H:i:s'),
                "end" => $eEnd->format('Y-m-d H:i:s'),
                "editable" => false,
                "backgroundColor" => $_unavailableBG
            ];
        }

        return $events;

    }

    public function getMyClientIds() {
        $clients = $this->getAccessibleClientsQuery()->get();
        $clientIds = [];
        foreach($clients as $client){
            $clientIds[] = $client->id;
        }
        return $clientIds;
    }

    public function favoritesByCategory($_category) {
        return ProFavorite::where('pro_id', $this->id)
            ->where('is_removed', false)
            ->where('category', $_category)
            ->orderBy('category', 'asc')
            ->orderBy('position_index', 'asc')
            ->get();
    }

    public function getAccessibleClientsQuery() {
        $proID = $this->id;
        if ($this->pro_type === 'ADMIN') {
            $query = Client::where('id', '>', 0);
        } else {
            $query = Client::where(function ($q) use ($proID) {
                $q->where('mcp_pro_id', $proID)
                    ->orWhere('cm_pro_id', $proID)
                    ->orWhere('rmm_pro_id', $proID)
                    ->orWhere('rme_pro_id', $proID)
                    ->orWhere('physician_pro_id', $proID)
                    ->orWhereRaw('id IN (SELECT client_id FROM client_pro_access WHERE is_active AND pro_id = ?)', [$proID])
                    ->orWhereRaw('id IN (SELECT client_id FROM appointment WHERE pro_id = ?)', [$proID])
                    ->orWhereRaw('id IN (SELECT mcp_pro_id FROM client_program WHERE client_id = client.id AND is_active = TRUE)')
                    ->orWhereRaw('id IN (SELECT manager_pro_id FROM client_program WHERE client_id = client.id AND is_active = TRUE)');
            });
        }
        return $query;
    }

    public function canAddCPMEntryForMeasurement(Measurement $measurement, Pro $pro)
    {
        // check if client has any programs where this measurement type is allowed
        $allowed = false;
        $client = $measurement->client;
        $clientPrograms = $client->clientPrograms;

        if($pro->pro_type !== 'ADMIN') {
            $clientPrograms = $clientPrograms->filter(function($_clientProgram) use ($pro) {
                return  $_clientProgram->manager_pro_id === $pro->id;
            });
        }

        if(count($clientPrograms)) {
            foreach ($clientPrograms as $clientProgram) {
                if(strpos(strtolower($clientProgram->measurement_labels), '|' . strtolower($measurement->label) . '|') !== FALSE) {
                    $allowed = true;
                    break;
                }
            }
        }

        return $allowed ? $clientPrograms : FALSE;
    }

    public function getMeasurements($_onlyUnstamped = true)
    {
        $measurementsQuery = Measurement::where('is_removed', false);
        if ($this->pro_type != 'ADMIN') {
            $measurementsQuery
                ->whereIn('client_id', $this->getMyClientIds());
        }
        if ($_onlyUnstamped) {
            $measurementsQuery
                ->whereNotNull('client_bdt_measurement_id')
                ->where(function ($q) {
                    $q->whereNull('status')
                        ->orWhere(function ($q2) {
                            $q2->where('status', '<>', 'ACK')
                                ->where('status', '<>', 'INVALID_ACK');
                        });
                });
        }
	$x = [];
        $measurements = $measurementsQuery->orderBy('id', 'desc')->paginate(50);

        // eager load stuff needed in JS
        foreach ($measurements as $measurement) {
            if ($measurement->client_bdt_measurement_id) {
                $measurement->bdtMeasurement = $measurement->clientBDTMeasurement->measurement;
            }
            unset($measurement->clientBDTMeasurement); // we do not need this travelling to the frontend

            $client = [
                "uid" => $measurement->client->uid,
                "name" => $measurement->client->displayName(),
            ];
            $measurement->patient = $client;

            $measurement->careMonth = $measurement->client->currentCareMonth();
            $measurement->timestamp = friendly_date_time($measurement->created_at);

            unset($measurement->client); // we do not need this travelling to the frontend
            // if($measurement->label == 'SBP' || $measurement->label = 'DBP'){
            //     continue;
	        // }
	        $x[] = $measurement;
	    }
	
        return $measurements;
    }
}