<?php

namespace App\Services\Queue;

use Illuminate\Http\Client\RequestException;
use Illuminate\Support\Facades\Http;

class QueueClient
{
    private function base(): string
    {
        return rtrim((string) config('care.queue.api_url'), '/');
    }

    private function token(): string
    {
        return (string) (config('care.queue.api_key') ?? '');
    }

    private function http(string $owner)
    {
        return Http::withToken($this->token())
            ->acceptJson()
            ->timeout(12)
            ->withQueryParameters(['owner' => $owner]);
    }

    public function configured(): bool
    {
        return $this->token() !== '' && $this->base() !== '';
    }

    /**
     * @return array<string, mixed>
     */
    public function status(string $owner): array
    {
        $response = $this->http($owner)->get($this->base().'/integrations/status');
        $response->throw();

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

    /**
     * @return array<string, mixed>
     */
    public function enable(string $owner, string $organizationName, ?string $branchName = null): array
    {
        $this->http($owner)->post($this->base().'/integrations/provision', array_filter([
            'organization_name' => $organizationName,
            'branch_name' => $branchName,
            'industry' => 'healthcare',
        ]))->throw();

        return $this->syncIntegration($owner, true);
    }

    /**
     * @return array<string, mixed>
     */
    public function syncIntegration(string $owner, bool $enabled = true): array
    {
        $response = $this->http($owner)->patch($this->base().'/integrations', [
            'care_enabled' => $enabled,
        ]);
        $response->throw();

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

    public function disable(string $owner): void
    {
        // Local Care setting only; Queue must be disabled separately in Queue settings.
    }

    public function isLinked(string $owner): bool
    {
        if (! $this->configured()) {
            return false;
        }

        try {
            $status = $this->status($owner);

            return (bool) ($status['provisioned'] ?? false)
                && (bool) data_get($status, 'integrations.care', false);
        } catch (RequestException) {
            return false;
        }
    }

    /**
     * @return list<array<string, mixed>>
     */
    public function counters(string $owner): array
    {
        $response = $this->http($owner)->get($this->base().'/counters');
        $response->throw();

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

    /**
     * @return array<string, mixed>
     */
    public function console(string $owner, string $counterUuid): array
    {
        $response = $this->http($owner)->get($this->base().'/counters/'.$counterUuid.'/console');
        $response->throw();

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

    /**
     * @param  array<string, mixed>  $payload
     * @return array<string, mixed>
     */
    public function consoleAction(string $owner, string $counterUuid, array $payload): array
    {
        $response = $this->http($owner)->post($this->base().'/counters/'.$counterUuid.'/console', $payload);
        $response->throw();

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

    /**
     * Best-effort specialty queue sync. Care integration API is read/console-only today,
     * so stubs remain Care-side until Queue exposes create-queue for service tokens.
     *
     * @param  list<array<string, mixed>>  $stubs
     * @return list<array<string, mixed>>
     */
    public function syncSpecialtyQueueStubs(string $owner, array $stubs): array
    {
        if (! $this->configured() || $stubs === []) {
            return $stubs;
        }

        try {
            $existing = collect($this->counters($owner))
                ->flatMap(fn ($c) => $c['queues'] ?? [])
                ->map(fn ($q) => strtolower((string) ($q['name'] ?? '')))
                ->filter()
                ->all();
        } catch (\Throwable) {
            return $stubs;
        }

        foreach ($stubs as $i => $stub) {
            $name = strtolower((string) ($stub['name'] ?? ''));
            $stubs[$i]['synced'] = $name !== '' && in_array($name, $existing, true);
        }

        return $stubs;
    }
}