<?php

namespace App\Services\Qms;

use App\Models\Organization;
use App\Services\Qms\Industry\IndustryPackageRegistry;

class TicketPriorities
{
    /**
     * @return array<string, string> priority key => industry label
     */
    public static function forOrganization(?Organization $organization): array
    {
        $stored = data_get($organization?->settings, 'industry_package.priorities');
        if (is_array($stored) && $stored !== []) {
            return self::mergeDefaults($stored);
        }

        $key = (string) (
            data_get($organization?->settings, 'industry_package.key')
            ?? data_get($organization?->settings, 'industry')
            ?? 'custom'
        );

        return self::forIndustryKey($key);
    }

    /**
     * @return array<string, string>
     */
    public static function forIndustryKey(string $key): array
    {
        $package = app(IndustryPackageRegistry::class)->get($key);

        return $package?->priorities() ?? self::mergeDefaults(
            (array) config("qms.ticket_priorities_by_industry.{$key}", [])
        );
    }

    public static function label(?Organization $organization, ?string $priority): string
    {
        if ($priority === null || $priority === '') {
            return '';
        }

        $map = self::forOrganization($organization);

        return $map[$priority] ?? (string) (config("qms.ticket_priorities.{$priority}") ?? $priority);
    }

    /**
     * @param  array<string, string>  $overrides
     * @return array<string, string>
     */
    public static function mergeDefaults(array $overrides): array
    {
        $defaults = (array) config('qms.ticket_priorities', []);
        $merged = [];
        foreach ($defaults as $key => $label) {
            $merged[$key] = (string) ($overrides[$key] ?? $label);
        }

        return $merged;
    }
}