<?php

namespace App\Logic\Contract;

use App\Models\Contract;
use LogicException;

abstract class ContractManager
{

    // ------------MEMBER----
    protected Contract $contract;
    protected bool $initialized = false;


    // -------------PUBLIC--------
    public function initById(string $id): static
    {
        $contract = Contract::findOrFail($id);
        $this->contract = $contract;
        $this->initialized = true;
        return $this;
    }

    public function initForCreate(): static
    {
        $contract = new Contract();
        $contract->setId();

        $this->contract = $contract;
        $this->initialized = true;
        return $this;
    }

    public function fill(array $attr): static
    {
        if (!$this->initialized) {
            throw new LogicException("初期化ミス");
        }

        $this->contract->fill($attr);
        return $this;
    }

    public function id(): string
    {
        if (!$this->initialized) {
            throw new LogicException("初期化ミス");
        }
        return $this->contract->id;
    }


    // ----------------PROTECTED----------
    protected function save(): static
    {
        $this->contract->save();
        return $this;
    }

    /**
     * 契約識別子がUNIQUE判定する
     *
     * @param array $messages
     * @param boolean $forUpdate
     * @return boolean
     */
    protected function checkContractCode(array  &$messages, bool $forUpdate): bool
    {
        $contractCode = $this->contract->contract_code;

        if ($contractCode === null) {
            return true;
        }

        $query = Contract::whereContractCode($contractCode);
        if ($forUpdate) {
            $query->whereNot(Contract::COL_NAME_ID, $this->contract->id);
        }

        if ($query->exists()) {
            $messages[Contract::COL_NAME_CONTRACT_CODE] = "すでに使われています";
            return false;
        }
        return true;
    }
}