<?php

use App\Services\DhlAddressValidator;

function validDhlAddress(array $overrides = []): array
{
    return array_merge([
        'firstname' => 'Max',
        'lastname' => 'Mustermann',
        'street' => 'Hauptstrasse',
        'house_number' => '5',
        'postal_code' => '10115',
        'city' => 'Berlin',
        'country_code' => 'DE',
        'email' => 'max@example.com',
        'phone' => '+4930123456',
    ], $overrides);
}

beforeEach(function () {
    config([
        'dhl.config_source' => 'env',
        'dhl.international_countries' => ['AT', 'ES'],
    ]);
});

it('marks a complete supported address as valid', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress());

    expect($result['status'])->toBe('valid')
        ->and($result['can_create_label'])->toBeTrue()
        ->and($result['errors'])->toBeEmpty()
        ->and($result['warnings'])->toBeEmpty()
        ->and($result['validation_available'])->toBeTrue()
        ->and($result['validation_level'])->toBe('formal_dach')
        ->and($result['validation_message'])->toBe('Formale DACH-Pruefung aktiv: Pflichtfelder, PLZ-Format, Plausibilitaet und Packstation-Regeln werden geprueft. Eine echte Adressdatenbank-/DHL-Leitcodepruefung ist nicht angebunden.');
});

it('blocks unsupported destination countries', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'country_code' => 'FR',
        'postal_code' => '75001',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['can_create_label'])->toBeFalse()
        ->and($result['errors'])->toContain('DHL-Versand in das Zielland FR ist aktuell nicht freigegeben.');
});

it('blocks invalid postal code formats for enabled countries', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'country_code' => 'AT',
        'postal_code' => '10115',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['errors'])->toContain('Oesterreichische Postleitzahl muss 4 Ziffern haben.');
});

it('validates swiss postal codes when switzerland is enabled', function () {
    config([
        'dhl.config_source' => 'env',
        'dhl.international_countries' => ['AT', 'CH'],
    ]);

    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'country_code' => 'CH',
        'postal_code' => '8000',
    ]));

    expect($result['validation_available'])->toBeTrue()
        ->and($result['validation_level'])->toBe('formal_dach')
        ->and($result['errors'])->not->toContain('Schweizer Postleitzahl muss 4 Ziffern haben.');
});

it('marks supported countries without country specific validation as basic checks', function () {
    config([
        'dhl.config_source' => 'env',
        'dhl.international_countries' => ['FR'],
    ]);

    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'country_code' => 'FR',
        'postal_code' => '75001',
    ]));

    expect($result['status'])->toBe('warning')
        ->and($result['can_create_label'])->toBeTrue()
        ->and($result['validation_available'])->toBeFalse()
        ->and($result['validation_level'])->toBe('basic')
        ->and($result['validation_message'])->toBe('Fuer dieses Zielland ist aktuell nur eine Basis-Adresspruefung verfuegbar.')
        ->and($result['warnings'])->toContain('Fuer dieses Zielland ist aktuell nur eine Basis-Adresspruefung verfuegbar. Bitte Adresse manuell pruefen.');
});

it('blocks implausible delivery address fields', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'street' => '12',
        'postal_code' => '12@@@',
        'city' => '1',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['can_create_label'])->toBeFalse()
        ->and($result['errors'])->toContain('Straße ist zu kurz.')
        ->and($result['errors'])->toContain('Straße muss Buchstaben enthalten.')
        ->and($result['errors'])->toContain('Ort ist zu kurz.')
        ->and($result['errors'])->toContain('Ort muss Buchstaben enthalten.')
        ->and($result['errors'])->toContain('Postleitzahl enthaelt ungueltige Zeichen.');
});

it('blocks placeholder delivery addresses', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'street' => 'Teststrasse',
        'city' => 'Fakeort',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['can_create_label'])->toBeFalse()
        ->and($result['errors'])->toContain('Straße wirkt wie eine Test- oder Platzhalteradresse.')
        ->and($result['errors'])->toContain('Ort wirkt wie eine Test- oder Platzhalterangabe.');
});

it('blocks DACH addresses with house numbers without digits', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'house_number' => 'links',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['can_create_label'])->toBeFalse()
        ->and($result['errors'])->toContain('Hausnummer muss fuer DACH-Adressen eine Ziffer enthalten.');
});

it('allows warning-only addresses but marks them for review', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'phone' => '',
    ]));

    expect($result['status'])->toBe('warning')
        ->and($result['can_create_label'])->toBeTrue()
        ->and($result['warnings'])->toContain('Telefonnummer fehlt. DHL kann Empfaenger bei Zustellproblemen eventuell nicht kontaktieren.');
});

it('validates German packstation addresses', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'street' => 'Packstation',
        'house_number' => '145',
        'postnumber' => '12345678',
    ]));

    expect($result['status'])->toBe('valid')
        ->and($result['can_create_label'])->toBeTrue();
});

it('blocks invalid packstation postnumbers', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'street' => 'Packstation',
        'house_number' => '145',
        'postnumber' => 'abc',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['errors'])->toContain('DHL Postnummer muss 6-10 Ziffern enthalten.');
});

it('requires postnumber and locker number for packstation addresses', function () {
    $result = (new DhlAddressValidator)->validate(validDhlAddress([
        'street' => 'Packstation',
        'house_number' => '',
        'postnumber' => '',
    ]));

    expect($result['status'])->toBe('error')
        ->and($result['errors'])->toContain('DHL Postnummer ist fuer Packstation/Paketbox erforderlich.');
});