<?php

namespace Modules\Countries\Http\Controllers\Api;

use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\Countries\Models\Country;
use Modules\Countries\Models\CountrySubdivision;
use Modules\Countries\Support\CountryRepository;

class CountriesApiController extends Controller
{
    /**
     * List ISO 3166-1 countries for integrations and selectors.
     */
    public function index(Request $request): JsonResponse
    {
        $activeOnly = $request->boolean('active_only', false);
        $search = trim((string) $request->query('search', ''));

        $countries = Country::query()
            ->when($activeOnly, fn ($query) => $query->where('is_active', true))
            ->when($search !== '', function ($query) use ($search): void {
                $query->where(function ($nested) use ($search): void {
                    $nested->where('name', 'ilike', "%{$search}%")
                        ->orWhere('official_name', 'ilike', "%{$search}%")
                        ->orWhere('common_name', 'ilike', "%{$search}%")
                        ->orWhere('display_name', 'ilike', "%{$search}%")
                        ->orWhere('alpha2', 'ilike', "%{$search}%")
                        ->orWhere('alpha3', 'ilike', "%{$search}%")
                        ->orWhere('numeric', 'ilike', "%{$search}%")
                        ->orWhere('region', 'ilike', "%{$search}%")
                        ->orWhere('subregion', 'ilike', "%{$search}%");
                });
            })
            ->ordered()
            ->get(['alpha2', 'alpha3', 'numeric', 'name', 'official_name', 'common_name', 'display_name', 'flag_emoji', 'is_active', 'iso_status', 'independent', 'region', 'subregion']);

        return response()->json(['data' => $countries]);
    }

    /**
     * List active ISO 3166-1 countries for business selectors.
     */
    public function active(): JsonResponse
    {
        $countries = Country::query()->active()->ordered()
            ->get(['alpha2', 'alpha3', 'numeric', 'name', 'display_name', 'common_name', 'flag_emoji', 'region', 'subregion']);

        return response()->json(['data' => $countries]);
    }

    /**
     * Show one country by alpha-2 route binding.
     */
    public function show(Country $country): JsonResponse
    {
        return response()->json(['data' => $country->loadCount('subdivisions')]);
    }

    /**
     * Resolve alpha-2, alpha-3 or numeric ISO 3166-1 country code.
     */
    public function resolve(string $code, CountryRepository $countries): JsonResponse
    {
        $country = $countries->findByIsoCode($code);

        abort_if($country === null, 404, 'Country code not found.');

        return response()->json(['data' => $country]);
    }

    /**
     * List ISO 3166-2 subdivisions for the supplied ISO 3166-1 alpha-2 country.
     */
    public function subdivisions(string $alpha2, Request $request, CountryRepository $countries): JsonResponse
    {
        $activeOnly = $request->boolean('active_only', true);
        $country = $countries->findByAlpha2($alpha2);

        abort_if($country === null, 404, 'Country not found.');

        $subdivisions = CountrySubdivision::query()
            ->where('country_id', $country->id)
            ->when($activeOnly, fn ($query) => $query->where('is_active', true))
            ->ordered()
            ->get(['country_alpha2', 'code', 'subdivision_code', 'name', 'local_name', 'type', 'is_active', 'iso_status']);

        return response()->json(['data' => $subdivisions]);
    }
}