<?php

namespace App\Services\Identity;

use Illuminate\Http\Client\Response;
use Illuminate\Support\Facades\Http;
use Illuminate\Validation\ValidationException;

class IdentityClient
{
    /** @return array<string, mixed> */
    public function mailboxLinkStatus(string $publicId): array
    {
        $response = $this->request()->get($this->url('/identity/mailbox-link'), [
            'user' => $publicId,
        ]);

        $response->throw();

        return (array) $response->json('data', []);
    }

    /** @return array<string, mixed> */
    public function linkMailbox(string $publicId, string $mailboxAddress): array
    {
        $response = $this->request()->put($this->url('/identity/mailbox-link'), [
            'user' => $publicId,
            'mailbox_address' => $mailboxAddress,
        ]);

        $response->throw();

        return (array) $response->json('data', []);
    }

    /** @return array<string, mixed> */
    public function unlinkMailbox(string $publicId): array
    {
        $response = $this->request()->delete($this->url('/identity/mailbox-link'), [
            'user' => $publicId,
        ]);

        $response->throw();

        return (array) $response->json('data', []);
    }

    /** @return array<int, array<string, mixed>> */
    public function banks(string $type = 'mobile_money'): array
    {
        $queryType = $type === 'mobile_money' ? 'mobile_money' : 'bank';
        $response = $this->request()->get($this->url('/identity/banks'), [
            'type' => $queryType,
        ]);
        $response->throw();

        return (array) $response->json('data', []);
    }

    /** @return array<string, mixed>|null */
    public function payoutAccount(string $publicId): ?array
    {
        $response = $this->request()->get($this->url('/identity/payout-account'), [
            'user' => $publicId,
        ]);
        $response->throw();

        $account = $response->json('data.payout_account');

        return is_array($account) ? $account : null;
    }

    /** @param  array<string, mixed>  $data
     * @return array<string, mixed>
     */
    public function updatePayoutAccount(string $publicId, array $data): array
    {
        $response = $this->request()->put($this->url('/identity/payout-account'), array_merge(
            ['user' => $publicId],
            $data,
        ));
        $this->throwValidation($response, 'account_number');

        $account = $response->json('data.payout_account');

        return is_array($account) ? $account : [];
    }

    /** @return array<int, array<string, mixed>> */
    public function withdrawals(string $publicId): array
    {
        $response = $this->request()->get($this->url('/identity/wallet/withdrawals'), [
            'user' => $publicId,
        ]);
        $response->throw();

        return (array) $response->json('data', []);
    }

    /** @return array<string, mixed> */
    public function withdraw(string $publicId, float $amountGhs): array
    {
        $response = $this->request()->post($this->url('/identity/wallet/withdraw'), [
            'user' => $publicId,
            'amount' => $amountGhs,
        ]);
        $this->throwValidation($response, 'amount');

        return (array) $response->json('data', []);
    }

    private function throwValidation(Response $response, string $fallbackField = 'base'): void
    {
        if ($response->status() === 422) {
            throw ValidationException::withMessages(
                $response->json('errors') ?: [$fallbackField => [$response->json('message') ?: 'Request failed.']],
            );
        }
    }

    private function request()
    {
        return Http::withToken((string) config('identity.api_key'))
            ->acceptJson()
            ->timeout(15);
    }

    private function url(string $path): string
    {
        return rtrim((string) config('identity.api_url'), '/').$path;
    }
}