<?php

namespace App\Domains\Event\Actions\UpdateParticipant;

use App\Enumerations\EfzStatus;
use App\Mail\ParticipantCocMails\ParticipantCocCompleteMail;
use App\Mail\ParticipantCocMails\ParticipantCocInvalidMail;
use App\Mail\ParticipantPaymentMails\ParticipantPaymentMissingPaymentMail;
use App\Mail\ParticipantPaymentMails\ParticipantPaymentOverpaidMail;
use App\Mail\ParticipantPaymentMails\ParticipantPaymentPaidMail;
use App\Models\EventParticipant;
use App\Providers\MissingPaymentProvider;
use App\ValueObjects\Amount;
use DateTime;
use Illuminate\Support\Facades\Mail;

class UpdateParticipantCommand {
    private UpdateParticipantResponse $response;
    function __construct(public UpdateParticipantRequest $request) {
    }

    public function execute() {
        $this->response = new UpdateParticipantResponse();

        $p = clone($this->request->participant);

        $p->firstname         = $this->request->firstname;
        $p->lastname          = $this->request->lastname;
        $p->nickname          = $this->request->nickname;
        $p->address_1         = $this->request->address_1;
        $p->address_2         = $this->request->address_2;
        $p->postcode          = $this->request->postcode;
        $p->city              = $this->request->city;
        $p->local_group       = $this->request->localgroup;
        $p->birthday          = DateTime::createFromFormat('Y-m-d', $this->request->birthday);
        $p->email_1           = $this->request->email_1;
        $p->phone_1           = $this->request->phone_1;
        $p->contact_person    = $this->request->contact_person;
        $p->email_2           = $this->request->email_2;
        $p->phone_2           = $this->request->phone_2;
        $p->arrival_date      = DateTime::createFromFormat('Y-m-d', $this->request->arrival);
        $p->departure_date    = DateTime::createFromFormat('Y-m-d', $this->request->departure);
        $p->participation_type = $this->request->participationType;
        $p->eating_habit      = $this->request->eatingHabit;
        $p->allergies         = $this->request->allergies;
        $p->intolerances      = $this->request->intolerances;
        $p->medications       = $this->request->medications;
        $p->first_aid_permission = $this->request->extendedFirstAid;
        $p->swimming_permission  = $this->request->swimmingPermission;
        $p->tetanus_vaccination  = $this->request->tetanusVaccination !== null
            ? DateTime::createFromFormat('Y-m-d', $this->request->tetanusVaccination)
            : null;
        $p->notes             = $this->request->notes;
        $p->amount_paid       = Amount::fromString($this->request->amountPaid);
        $p->amount            = Amount::fromString($this->request->amountExpected);
        $p->efz_status        = $this->request->cocStatus;

        if (
            MissingPaymentProvider::calculateMissingPayment(amountPaid: $p->amount_paid, amountToPay: $p->amount)->getAmount()
            !==
            MissingPaymentProvider::calculateMissingPayment(amountPaid: $this->request->participant->amount_paid, amountToPay: $this->request->participant->amount)->getAmount()
        ) {
            $this->handleAmountChanges($p);
        }

        if (
            $p->efz_status !== $this->request->participant->efz_status
        ) {
            $this->handleCocStatusChange($p);
        }


        $p->save();
        $this->response->success = true;
        $this->response->participant = $p;
        return $this->response;
    }

    private function handleAmountChanges(EventParticipant $participant) {
        $this->response->amountPaid = $participant->amount_paid;
        $this->response->amountExpected = $participant->amount;

        $amountToPay = MissingPaymentProvider::calculateMissingPayment(
            amountPaid: $participant->amount_paid,
            amountToPay: $participant->amount,
        );

        switch (true) {
            case $amountToPay->getAmount() > 0:
                Mail::to($participant->email_1)->send(new ParticipantPaymentMissingPaymentMail(
                    participant: $participant,
                ));

                if ($participant->email_2 !== null) {
                    Mail::to($participant->email_2)->send(new ParticipantPaymentMissingPaymentMail(
                        participant: $participant,
                    ));
                }
                break;
            case $amountToPay->getAmount() < 0:
                Mail::to($participant->email_1)->send(new ParticipantPaymentOverpaidMail(
                    participant: $participant,
                ));

                if ($participant->email_2 !== null) {
                    Mail::to($participant->email_2)->send(new ParticipantPaymentOverpaidMail(
                        participant: $participant,
                    ));
                }
                break;
            default:
                Mail::to($participant->email_1)->send(new ParticipantPaymentPaidMail(
                    participant: $participant,
                ));

                if ($participant->email_2 !== null) {
                    Mail::to($participant->email_2)->send(new ParticipantPaymentPaidMail(
                        participant: $participant,
                    ));
                }
        }
    }

    private function handleCocStatusChange(EventParticipant $participant) {
        $this->response->cocStatus = $participant->efzStatus()->first();

        switch ($participant->efzStatus()->first()->slug) {
            case EfzStatus::EFZ_STATUS_CHECKED_VALID:
            case EfzStatus::EFZ_STATUS_NOT_REQUIRED:
                Mail::to($participant->email_1)->send(new ParticipantCocCompleteMail(
                    participant: $participant,
                ));
                break;

            case EfzStatus::EFZ_STATUS_CHECKED_INVALID:
                Mail::to($participant->email_1)->send(new ParticipantCocInvalidMail(
                    participant: $participant,
                ));
                break;
        }
    }
}