<?php

use App\Enums\UserPaymentOptionStatus;
use App\Models\BillingAddress;
use App\Models\LegacyInvoice;
use App\Models\User;
use App\Models\UserPaymentOption;
use App\Services\Billing\LegacyAddressParser;
use App\Services\Billing\LegacyBillingAddressImporter;
use Illuminate\Foundation\Testing\RefreshDatabase;

uses(RefreshDatabase::class);

const COUNTRY_NAMES = [
    'presseecho' => [108 => 'Cyprus', 177 => 'Germany', 196 => 'Switzerland'],
    'businessportal24' => [108 => 'Cyprus', 177 => 'Germany', 196 => 'Switzerland'],
];

function createGrandfatheredUserWithArchiveAddress(array $billingAddressPayload, string $portal = 'presseecho'): User
{
    $user = User::factory()->create();

    LegacyInvoice::query()->create([
        'legacy_portal' => $portal,
        'legacy_id' => fake()->unique()->numberBetween(1, 100000),
        'user_id' => $user->id,
        'legacy_user_id' => $user->id,
        'number' => 'LEG-'.fake()->unique()->numberBetween(1, 100000),
        'total_cents' => 119000,
        'status' => 'paid',
        'invoice_date' => '2025-06-15',
        'paid_at' => now()->subYear(),
        'imported_at' => now(),
        'pdf_payload' => ['billing_address' => $billingAddressPayload],
    ]);

    $invoiceNumber = LegacyInvoice::query()->where('user_id', $user->id)->value('number');

    UserPaymentOption::factory()->create([
        'user_id' => $user->id,
        'status' => UserPaymentOptionStatus::Grandfathered->value,
        'grandfathered_until' => null,
        'stripe_subscription_id' => null,
        'legacy_conditions' => [
            'legacy_portal' => $portal,
            'source_invoice_number' => $invoiceNumber,
            'interval' => 'yearly',
            'net_cents' => 100000,
        ],
    ]);

    return $user;
}

test('importer creates a structured billing address from the legacy blob', function () {
    $user = createGrandfatheredUserWithArchiveAddress([
        'name' => 'Sebastian Einbock',
        'address' => "Einbock GmbH\r\nPrinzenstraße 1\r\n30419 Hannover",
        'country_id' => 177,
    ]);

    $report = app(LegacyBillingAddressImporter::class)->import(COUNTRY_NAMES);

    expect($report['imported'])->toBe(1);

    $address = BillingAddress::query()->where('user_id', $user->id)->first();

    expect($address)->not->toBeNull()
        ->and($address->name)->toBe('Sebastian Einbock')
        ->and($address->company)->toBe('Einbock GmbH')
        ->and($address->address1)->toBe('Prinzenstraße 1')
        ->and($address->postal_code)->toBe('30419')
        ->and($address->city)->toBe('Hannover')
        ->and($address->country_code)->toBe('DE');
});

test('importer never overwrites an existing billing address', function () {
    $user = createGrandfatheredUserWithArchiveAddress([
        'name' => 'Alt Name',
        'address' => "Altstraße 1\r\n11111 Altstadt",
        'country_id' => 177,
    ]);

    BillingAddress::factory()->create(['user_id' => $user->id, 'address1' => 'Vom Kunden gepflegt 5']);

    $report = app(LegacyBillingAddressImporter::class)->import(COUNTRY_NAMES);

    expect($report['imported'])->toBe(0)
        ->and($report['skipped_existing'])->toBe(1)
        ->and($user->billingAddress()->first()->address1)->toBe('Vom Kunden gepflegt 5');
});

test('unparseable blobs and unknown countries are reported instead of guessed', function () {
    $empty = createGrandfatheredUserWithArchiveAddress([
        'name' => 'Leerer Blob', 'address' => '', 'country_id' => 177,
    ]);
    $unknownCountry = createGrandfatheredUserWithArchiveAddress([
        'name' => 'Exot', 'address' => "Somewhere 1\r\n12345 Faraway", 'country_id' => 999,
    ]);

    $report = app(LegacyBillingAddressImporter::class)->import(COUNTRY_NAMES);

    expect($report['imported'])->toBe(0)
        ->and($report['unparseable'])->toHaveCount(1)
        ->and($report['unparseable'][0])->toContain($empty->email)
        ->and($report['unknown_country'])->toHaveCount(1)
        ->and($report['unknown_country'][0])->toContain($unknownCountry->email)
        ->and(BillingAddress::query()->count())->toBe(0);
});

test('dry run reports without writing', function () {
    createGrandfatheredUserWithArchiveAddress([
        'name' => 'Trocken Lauf',
        'address' => "Teststraße 2\r\n22222 Testhausen",
        'country_id' => 177,
    ]);

    $report = app(LegacyBillingAddressImporter::class)->import(COUNTRY_NAMES, dryRun: true);

    expect($report['imported'])->toBe(1)
        ->and(BillingAddress::query()->count())->toBe(0);
});

test('parser handles the address shapes found in the legacy archive', function (string $blob, ?string $countryName, ?array $expected) {
    $parsed = app(LegacyAddressParser::class)->parse($blob, $countryName);

    if ($expected === null) {
        expect($parsed)->toBeNull();
    } else {
        expect($parsed)->toMatchArray($expected);
    }
})->with([
    'mehrzeilig mit Firma' => [
        "Einbock GmbH\r\nPrinzenstraße 1\r\n30419 Hannover", 'Germany',
        ['company' => 'Einbock GmbH', 'address1' => 'Prinzenstraße 1', 'postal_code' => '30419', 'city' => 'Hannover'],
    ],
    'Adresszusatz vor PLZ-Zeile' => [
        "73, Makarios Avenue\r\n5th Floor\r\n1070 Nicosia", 'Cyprus',
        ['company' => null, 'address1' => '73, Makarios Avenue', 'address2' => '5th Floor', 'postal_code' => '1070', 'city' => 'Nicosia'],
    ],
    'Ansprechpartner statt Firma' => [
        "Waldemar Eider\r\nHauptstr.29\r\n67806   Bisterschied", 'Germany',
        ['company' => null, 'address1' => 'Hauptstr.29', 'address2' => 'Waldemar Eider', 'postal_code' => '67806', 'city' => 'Bisterschied'],
    ],
    'einzeilig mit Kommata' => [
        'Wotanstr. 16, 10365 Berlin', 'Germany',
        ['company' => null, 'address1' => 'Wotanstr. 16', 'postal_code' => '10365', 'city' => 'Berlin'],
    ],
    'einzeilig mit Landesname am Ende' => [
        '73 Makarios Avenue, 5th floor, 1070 Nicosia, Cyprus', 'Cyprus',
        ['company' => null, 'address1' => '73 Makarios Avenue', 'address2' => '5th floor', 'postal_code' => '1070', 'city' => 'Nicosia'],
    ],
    'Schweizer PLZ-Präfix' => [
        "Max-Högger-Strasse 6\r\nCH-8048 Zürich", 'Switzerland',
        ['company' => null, 'address1' => 'Max-Högger-Strasse 6', 'postal_code' => '8048', 'city' => 'Zürich'],
    ],
    'nur Straße ohne PLZ/Ort' => ['Christophstraße 15-17', 'Germany', null],
    'Platzhalter N/A' => ['N/A', 'Germany', null],
    'leer' => ['', 'Germany', null],
]);