<?php

declare(strict_types=1);

namespace Laravel\Boost\Support;

class Npm
{
    /** @var array<int, string> */
    public const FIRST_PARTY_SCOPES = [
        '@inertiajs',
        '@laravel',
    ];

    /** @var array<int, string> */
    public const FIRST_PARTY_PACKAGES = [
        'laravel-echo',
        'laravel-precognition',
        'laravel-vite-plugin',
    ];

    public static function isFirstPartyPackage(string $npmName): bool
    {
        if (collect(self::FIRST_PARTY_SCOPES)->contains(fn (string $scope): bool => str_starts_with($npmName, $scope.'/'))) {
            return true;
        }

        return in_array($npmName, self::FIRST_PARTY_PACKAGES, true);
    }

    /**
     * @return array<string, string>
     */
    public static function packagesDirectories(): array
    {
        return collect(static::packages())
            ->mapWithKeys(fn (string $key, string $package): array => [$package => implode(DIRECTORY_SEPARATOR, [
                base_path('node_modules'),
                str_replace('/', DIRECTORY_SEPARATOR, $package),
            ])])
            ->filter(fn (string $path): bool => is_dir($path))
            ->toArray();
    }

    /**
     * @return array<string, string>
     */
    public static function packages(): array
    {
        $packageJsonPath = base_path('package.json');

        if (! file_exists($packageJsonPath)) {
            return [];
        }

        $packageData = json_decode(file_get_contents($packageJsonPath), true);

        if (json_last_error() !== JSON_ERROR_NONE) {
            return [];
        }

        return collect($packageData['dependencies'] ?? [])
            ->merge($packageData['devDependencies'] ?? [])
            ->mapWithKeys(fn (string $key, string $package): array => [$package => $key])
            ->toArray();
    }

    /**
     * @return array<string, string>
     */
    public static function packagesDirectoriesWithBoostGuidelines(): array
    {
        return self::packagesDirectoriesWithBoostSubpath('guidelines');
    }

    /**
     * @return array<string, string>
     */
    public static function packagesDirectoriesWithBoostSkills(): array
    {
        return self::packagesDirectoriesWithBoostSubpath('skills');
    }

    /**
     * @return array<string, string>
     */
    private static function packagesDirectoriesWithBoostSubpath(string $subpath): array
    {
        return collect(self::packagesDirectories())
            ->map(fn (string $path): string => implode(DIRECTORY_SEPARATOR, array_filter([
                $path,
                'resources',
                'boost',
                $subpath,
            ])))
            ->filter(fn (string $path): bool => is_dir($path))
            ->toArray();
    }
}