<?php

declare(strict_types=1);

namespace TFGraphics\SmartImport\ProviderFramework;

final class ProviderCapability
{
    private array $supportedDomains;
    private array $supportedIdentifierTypes;
    private array $qualityScores;
    private bool $priceSupport;

    public function __construct(
        array $supportedDomains,
        array $supportedIdentifierTypes,
        array $qualityScores,
        bool $priceSupport = false
    ) {
        $this->supportedDomains = array_values(array_unique($supportedDomains));
        $this->supportedIdentifierTypes = array_values(array_unique($supportedIdentifierTypes));
        $this->qualityScores = [];
        foreach (['metadata', 'seo', 'image', 'description', 'attributes', 'category', 'brand'] as $metric) {
            $this->qualityScores[$metric] = $this->ratio((float) ($qualityScores[$metric] ?? 0.0));
        }
        $this->priceSupport = $priceSupport;
    }

    public function getSupportedDomains(): array { return $this->supportedDomains; }
    public function getSupportedIdentifierTypes(): array { return $this->supportedIdentifierTypes; }
    public function getQualityScores(): array { return $this->qualityScores; }
    public function getMetadataQuality(): float { return $this->qualityScores['metadata']; }
    public function getSeoQuality(): float { return $this->qualityScores['seo']; }
    public function getImageQuality(): float { return $this->qualityScores['image']; }
    public function getDescriptionQuality(): float { return $this->qualityScores['description']; }
    public function getAttributesQuality(): float { return $this->qualityScores['attributes']; }
    public function getCategoryQuality(): float { return $this->qualityScores['category']; }
    public function getBrandQuality(): float { return $this->qualityScores['brand']; }
    public function hasPriceSupport(): bool { return $this->priceSupport; }

    public function supportsDomain(string $domain): bool
    {
        return $this->contains($this->supportedDomains, $domain);
    }

    public function supportsIdentifierType(string $identifierType): bool
    {
        return $this->contains($this->supportedIdentifierTypes, $identifierType);
    }

    public function providesImages(float $minimumQuality = 0.01): bool
    {
        return $this->getImageQuality() >= $minimumQuality;
    }

    public function providesSeoRichDescriptions(float $minimumSeo = 0.7, float $minimumDescription = 0.7): bool
    {
        return $this->getSeoQuality() >= $minimumSeo && $this->getDescriptionQuality() >= $minimumDescription;
    }

    private function contains(array $values, string $needle): bool
    {
        foreach ($values as $value) {
            if (strcasecmp((string) $value, trim($needle)) === 0) {
                return true;
            }
        }

        return false;
    }

    private function ratio(float $value): float
    {
        return max(0.0, min(1.0, $value));
    }
}