<?php
declare(strict_types=1);

use Authentication\PasswordHasher\DefaultPasswordHasher;
use Faker\Factory;
use Faker\Generator;
use Migrations\BaseSeed;

/**
 * Seeds test data: 2 accounts, 100 customers and 1-5 cars per customer.
 *
 * Run: bin/cake seeds run DatabaseSeed
 * Existing data in users, customers and cars is removed first.
 */
class DatabaseSeed extends BaseSeed
{
    private const CARS = [
        'Toyota' => ['Corolla', 'Yaris', 'RAV4', 'Auris', 'C-HR', 'Camry'],
        'Volkswagen' => ['Golf', 'Passat', 'Polo', 'Tiguan', 'T-Roc', 'Arteon'],
        'Skoda' => ['Octavia', 'Fabia', 'Superb', 'Kodiaq', 'Karoq', 'Scala'],
        'Ford' => ['Focus', 'Fiesta', 'Mondeo', 'Kuga', 'Puma'],
        'Opel' => ['Astra', 'Corsa', 'Insignia', 'Mokka', 'Grandland'],
        'BMW' => ['Seria 3', 'Seria 5', 'X1', 'X3', 'X5'],
        'Audi' => ['A3', 'A4', 'A6', 'Q3', 'Q5'],
        'Mercedes-Benz' => ['Klasa A', 'Klasa C', 'Klasa E', 'GLC', 'GLA'],
        'Renault' => ['Clio', 'Megane', 'Captur', 'Kadjar'],
        'Kia' => ['Ceed', 'Sportage', 'Rio', 'Niro'],
        'Hyundai' => ['i20', 'i30', 'Tucson', 'Kona'],
        'Tesla' => ['Model 3', 'Model Y', 'Model S'],
        'Fiat' => ['Panda', '500', 'Tipo'],
        'Dacia' => ['Duster', 'Sandero', 'Logan'],
    ];

    private const COLORS = ['czarny', 'biały', 'srebrny', 'szary', 'niebieski', 'czerwony', 'zielony', 'grafitowy', 'beżowy'];

    private const PLATE_PREFIXES = ['WA', 'WE', 'WI', 'KR', 'KK', 'PO', 'PZ', 'GD', 'GA', 'WR', 'DW', 'LU', 'SK', 'SC', 'EL', 'BI', 'OP', 'RZ', 'TK', 'NO', 'ZS', 'CB', 'FZ'];

    private const CUSTOMER_NOTES = [
        'Preferuje kontakt telefoniczny po godzinie 16.',
        'Stały klient, przysługuje rabat 10% na usługi serwisowe.',
        'Prosi o przypomnienia SMS przed terminem przeglądu.',
        'Faktury wysyłać wyłącznie na adres e-mail.',
        'Klient flotowy - rozliczenie zbiorcze na koniec miesiąca.',
        'Zainteresowany wymianą auta na nowsze w przyszłym roku.',
        'Kontakt tylko w dni robocze.',
    ];

    private const CAR_NOTES = [
        'Wymiana oleju przy 15 000 km.',
        'Do sprawdzenia klocki hamulcowe przy następnej wizycie.',
        'Opony zimowe przechowywane w serwisie.',
        'Auto po szkodzie parkingowej - naprawiony tylny zderzak.',
        'Gwarancja producenta do końca roku.',
        'Klient zgłaszał stuki w zawieszeniu.',
        'Zalecana wymiana rozrządu.',
    ];

    private const VIN_CHARS = 'ABCDEFGHJKLMNPRSTUVWXYZ0123456789';

    /**
     * The seed truncates its tables first, so it can safely be re-run.
     *
     * @return bool
     */
    public function isIdempotent(): bool
    {
        return true;
    }

    /**
     * @return void
     */
    public function run(): void
    {
        $faker = Factory::create('pl_PL');
        $faker->seed(20261019);
        $now = date('Y-m-d H:i:s');
        $hasher = new DefaultPasswordHasher();

        $this->execute('SET FOREIGN_KEY_CHECKS=0');
        foreach (['cars', 'customers', 'users'] as $table) {
            $this->execute("TRUNCATE TABLE `{$table}`");
        }
        $this->execute('SET FOREIGN_KEY_CHECKS=1');

        $this->table('users')->insert([
            [
                'email' => 'admin@example.com',
                'password' => $hasher->hash('Admin123!'),
                'first_name' => 'Adam',
                'last_name' => 'Administrator',
                'role' => 'admin',
                'active' => true,
                'created' => $now,
                'modified' => $now,
            ],
            [
                'email' => 'user@example.com',
                'password' => $hasher->hash('User1234!'),
                'first_name' => 'Jan',
                'last_name' => 'Użytkownik',
                'role' => 'user',
                'active' => true,
                'created' => $now,
                'modified' => $now,
            ],
        ])->saveData();

        $customers = [];
        $emails = [];
        for ($i = 1; $i <= 100; $i++) {
            $isCompany = $faker->boolean(25);
            $firstName = $faker->firstName();
            $lastName = $faker->lastName();
            do {
                $email = $this->slug($firstName) . '.' . $this->slug($lastName) . $faker->numberBetween(1, 999)
                    . '@' . $faker->freeEmailDomain();
            } while (isset($emails[$email]));
            $emails[$email] = true;
            $created = $faker->dateTimeBetween('-3 years', '-1 day')->format('Y-m-d H:i:s');

            $customers[] = [
                'type' => $isCompany ? 'company' : 'individual',
                'first_name' => $firstName,
                'last_name' => $lastName,
                'email' => $email,
                'phone' => '+48 ' . $faker->numerify('### ### ###'),
                'company_name' => $isCompany ? $faker->company() : null,
                'tax_id' => $isCompany ? $faker->numerify('##########') : null,
                'street' => $faker->boolean(90) ? $faker->streetAddress() : null,
                'city' => $faker->city(),
                'postal_code' => $faker->numerify('##-###'),
                'country' => 'PL',
                'birth_date' => $isCompany ? null : $faker->dateTimeBetween('-80 years', '-18 years')->format('Y-m-d'),
                'notes' => $faker->boolean(20) ? $faker->randomElement(self::CUSTOMER_NOTES) : null,
                'created_by' => $faker->randomElement([1, 2]),
                'created' => $created,
                'modified' => $created,
            ];
        }
        $this->table('customers')->insert($customers)->saveData();

        $cars = [];
        $vins = [];
        $plates = [];
        for ($customerId = 1; $customerId <= 100; $customerId++) {
            $count = $faker->numberBetween(1, 5);
            for ($j = 0; $j < $count; $j++) {
                $make = $faker->randomElement(array_keys(self::CARS));
                $isTesla = $make === 'Tesla';
                $fuel = $isTesla ? 'electric' : $faker->randomElement(['petrol', 'petrol', 'diesel', 'diesel', 'lpg', 'hybrid']);
                do {
                    $vin = $this->randomVin($faker);
                } while (isset($vins[$vin]));
                $vins[$vin] = true;
                do {
                    $plate = $faker->randomElement(self::PLATE_PREFIXES)
                        . $faker->numberBetween(10000, 99999);
                    $plate = substr($plate, 0, 2) . $faker->bothify('?') . substr($plate, 3);
                    $plate = strtoupper($plate);
                } while (isset($plates[$plate]));
                $plates[$plate] = true;
                $year = $faker->numberBetween(2005, 2026);
                $created = $faker->dateTimeBetween('-3 years', '-1 day')->format('Y-m-d H:i:s');

                $cars[] = [
                    'customer_id' => $customerId,
                    'make' => $make,
                    'model' => $faker->randomElement(self::CARS[$make]),
                    'production_year' => $year,
                    'vin' => $vin,
                    'registration_number' => $plate,
                    'fuel_type' => $fuel,
                    'color' => $faker->randomElement(self::COLORS),
                    'engine_capacity' => $fuel === 'electric' ? null : $faker->randomElement([999, 1197, 1395, 1498, 1598, 1968, 1995, 2494, 2993]),
                    'power_hp' => $faker->numberBetween(70, $isTesla ? 500 : 300),
                    'transmission' => $isTesla ? 'automatic' : $faker->randomElement(['manual', 'manual', 'automatic']),
                    'mileage' => max(0, (2026 - $year) * $faker->numberBetween(5000, 25000) + $faker->numberBetween(0, 5000)),
                    'notes' => $faker->boolean(15) ? $faker->randomElement(self::CAR_NOTES) : null,
                    'created' => $created,
                    'modified' => $created,
                ];
            }
        }
        $this->table('cars')->insert($cars)->saveData();

        $this->getIo()?->out(sprintf('Seeded 2 users, %d customers and %d cars.', count($customers), count($cars)));
    }

    /**
     * @param \Faker\Generator $faker Faker
     * @return string
     */
    private function randomVin(Generator $faker): string
    {
        $vin = '';
        for ($i = 0; $i < 17; $i++) {
            $vin .= self::VIN_CHARS[$faker->numberBetween(0, strlen(self::VIN_CHARS) - 1)];
        }

        return $vin;
    }

    /**
     * ASCII slug for e-mail addresses (strips Polish diacritics).
     *
     * @param string $text Text
     * @return string
     */
    private function slug(string $text): string
    {
        $map = ['ą' => 'a', 'ć' => 'c', 'ę' => 'e', 'ł' => 'l', 'ń' => 'n', 'ó' => 'o', 'ś' => 's', 'ź' => 'z', 'ż' => 'z'];

        return preg_replace('/[^a-z]/', '', strtr(mb_strtolower($text), $map)) ?? '';
    }
}