boursecu_server/app/Services/ConfigService.php

<?php

namespace App\Services;

use App\Models\Cnt;
use App\Models\Setting;

class ConfigService
{
    public const PRICE_PROVIDERS = ['montzar', 'etehadie', 'taban_gohar', 'main_product'];

    public function Config($name)
    {
        return $this->get($name, false);
    }

    /**
     * مقدار setting؛ اگر نبود از config/price_providers.php یا default پارامتر.
     */
    public function get(string $key, $default = null)
    {
        $row = Setting::where('key', $key)->first();

        if ($row !== null && $row->value !== null && $row->value !== '') {
            return $row->value;
        }

        $fromFile = config("price_providers.{$key}");

        return $fromFile !== null ? $fromFile : $default;
    }

    public function getString(string $key, string $default = ''): string
    {
        $value = $this->get($key, $default);

        return trim((string) ($value === false ? $default : $value));
    }

    public function getBool(string $key, bool $default = false): bool
    {
        $value = $this->get($key, $default);

        if ($value === false || $value === null || $value === '') {
            return $default;
        }

        return filter_var($value, FILTER_VALIDATE_BOOLEAN);
    }

    public function getInt(string $key, int $default = 0): int
    {
        $value = $this->get($key, $default);

        return (int) ($value === false || $value === null || $value === '' ? $default : $value);
    }

    /**
     * تنها منبع فعال قیمت — فقط یکی از: montzar | etehadie | taban_gohar | main_product
     *
     * اولویت:
     * 1) price_provider (یا price_primary_source قدیمی)
     * 2) montzar_price=true → montzar (ابشده خانگی و پروژه‌های فعلی)
     * 3) پیش‌فرض فایل: montzar
     */
    public function priceProvider(): string
    {
        foreach (['price_provider', 'price_primary_source'] as $key) {
            $explicit = strtolower($this->getString($key, ''));
            if (in_array($explicit, self::PRICE_PROVIDERS, true)) {
                return $explicit;
            }
        }

        if ($this->getBool('montzar_price', false)) {
            return 'montzar';
        }

        $default = strtolower((string) config('price_providers.price_provider', 'montzar'));

        return in_array($default, self::PRICE_PROVIDERS, true) ? $default : 'montzar';
    }

    /**
     * شناسه محصول آبشده پیش‌فرض: اول settings، بعد جدول const.
     */
    public function mainProductId(): ?int
    {
        $fromSettings = $this->getString('main_product', '');
        if ($fromSettings !== '' && is_numeric($fromSettings)) {
            return (int) $fromSettings;
        }

        $fromConst = Cnt::where('key', 'main_product')->value('value');
        if ($fromConst !== null && $fromConst !== '' && is_numeric($fromConst)) {
            return (int) $fromConst;
        }

        return null;
    }

    /** @deprecated از priceProvider() استفاده کن */
    public function pricePrimarySource(): string
    {
        $provider = $this->priceProvider();

        return in_array($provider, ['montzar', 'etehadie'], true) ? $provider : 'montzar';
    }

    public function usesMontzarPricing(): bool
    {
        return $this->priceProvider() === 'montzar';
    }

    public function usesEtehadiePricing(): bool
    {
        return $this->priceProvider() === 'etehadie';
    }

    public function usesMainProductPricing(): bool
    {
        return $this->priceProvider() === 'main_product';
    }

    public function UpdateConfig($name, $value)
    {
        return Setting::updateOrCreate(
            ['key' => $name],
            ['value' => $value]
        );
    }

    public function trackDailyPriceExtreme(float $price): void
    {
        if ($price <= 0) {
            return;
        }

        $upSetting = Setting::where('key', 'up_price')->first();
        $downSetting = Setting::where('key', 'down_price')->first();

        if (!$upSetting || !$downSetting) {
            return;
        }

        $priceInt = (int) round($price);
        $today = now()->toDateString();
        $extremeDate = $this->Config('price_extreme_date');

        if ($extremeDate !== $today) {
            $this->UpdateConfig('up_price', $priceInt);
            $this->UpdateConfig('down_price', $priceInt);
            $this->UpdateConfig('price_extreme_date', $today);
            return;
        }

        $currentUp = (float) ($upSetting->value ?: 0);
        $currentDown = (float) ($downSetting->value ?: 0);

        if ($currentUp <= 0 || $priceInt > $currentUp) {
            $this->UpdateConfig('up_price', $priceInt);
        }
        if ($currentDown <= 0 || $priceInt < $currentDown) {
            $this->UpdateConfig('down_price', $priceInt);
        }
    }
}