<?php

namespace App\Http\Controllers\Woo;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Woo\Concerns\ResolvesWooContext;
use App\Models\WooOrder;
use App\Models\WooProduct;
use App\Models\WooStore;
use App\Services\Afia\AfiaService;
use App\Services\Woo\SubscriptionService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class AiController extends Controller
{
    use ResolvesWooContext;

    public function __construct(private SubscriptionService $subscriptions) {}

    public function chat(Request $request, AfiaService $afia): JsonResponse
    {
        $validated = $request->validate([
            'message' => ['required', 'string', 'max:2000'],
            'history' => ['nullable', 'array', 'max:20'],
            'history.*.role' => ['nullable', 'string'],
            'history.*.text' => ['nullable', 'string'],
        ]);

        if (! $afia->enabled()) {
            return response()->json(['message' => 'Afia is not available right now.'], 503);
        }

        try {
            $reply = $afia->chat(trim($validated['message']), $validated['history'] ?? [], $this->context($request));
        } catch (\Throwable $e) {
            report($e);

            return response()->json(['message' => 'Afia could not respond right now. Please try again.'], 502);
        }

        return response()->json(['reply' => $reply]);
    }

    /** @return array<string, mixed> */
    private function context(Request $request): array
    {
        $user = $this->accountUser($request);
        $store = $this->currentStore($request);
        $storeIds = WooStore::query()->where('user_id', $user->id)->pluck('id');

        return [
            'signed_in' => 'yes',
            'plan' => $this->subscriptions->hasPaidPlan($user) ? 'paid' : 'free',
            'connected_stores' => WooStore::query()->where('user_id', $user->id)->where('status', WooStore::STATUS_ACTIVE)->count(),
            'active_store' => $store?->site_name ?? $store?->site_url ?? 'none selected',
            'products_total' => WooProduct::query()->whereIn('woo_store_id', $storeIds)->count(),
            'orders_new' => $store
                ? WooOrder::query()->where('woo_store_id', $store->id)->where('fulfillment_status', WooOrder::FULFILLMENT_NEW)->count()
                : 0,
        ];
    }
}