<?php

namespace App\Services\Intune;

use Illuminate\Support\Arr;

class WindowsQualityUpdateProfileNormalizer implements PolicyTypeNormalizer
{
    public function __construct(
        private readonly DefaultPolicyNormalizer $defaultNormalizer,
    ) {}

    public function supports(string $policyType): bool
    {
        return $policyType === 'windowsQualityUpdateProfile';
    }

    /**
     * @return array{status: string, settings: array<int, array<string, mixed>>, settings_table?: array<string, mixed>, warnings: array<int, string>}
     */
    public function normalize(?array $snapshot, string $policyType, ?string $platform = null): array
    {
        $snapshot = $snapshot ?? [];
        $normalized = $this->defaultNormalizer->normalize($snapshot, $policyType, $platform);

        if ($snapshot === []) {
            return $normalized;
        }

        $block = $this->buildQualityUpdateBlock($snapshot);

        if ($block !== null) {
            $normalized['settings'][] = $block;
            $normalized['settings'] = array_values(array_filter($normalized['settings']));
        }

        return $normalized;
    }

    /**
     * @return array<string, mixed>
     */
    public function flattenForDiff(?array $snapshot, string $policyType, ?string $platform = null): array
    {
        $snapshot = $snapshot ?? [];
        $normalized = $this->normalize($snapshot, $policyType, $platform);

        return $this->defaultNormalizer->flattenNormalizedForDiff($normalized);
    }

    private function buildQualityUpdateBlock(array $snapshot): ?array
    {
        $entries = [];

        $displayName = Arr::get($snapshot, 'displayName');

        if (is_string($displayName) && $displayName !== '') {
            $entries[] = ['key' => 'Name', 'value' => $displayName];
        }

        $release = Arr::get($snapshot, 'releaseDateDisplayName');

        if (is_string($release) && $release !== '') {
            $entries[] = ['key' => 'Release', 'value' => $release];
        }

        $content = Arr::get($snapshot, 'deployableContentDisplayName');

        if (is_string($content) && $content !== '') {
            $entries[] = ['key' => 'Deployable content', 'value' => $content];
        }

        if ($entries === []) {
            return null;
        }

        return [
            'type' => 'keyValue',
            'title' => 'Quality Update Profile',
            'entries' => $entries,
        ];
    }
}
