<?php

namespace App\Http\Controllers\Api\Mini;

use App\Http\Controllers\Controller;
use App\Services\Afia\AfiaService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class SupportController extends Controller
{
    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' => 'Support chat is not available right now.'], 503);
        }

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

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

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

    /** @return array<string, mixed> */
    private function context(): array
    {
        $account = ladill_account();

        return [
            'app' => 'Ladill Mini',
            'description' => 'Ladill Mini is a payments app: merchants create payment QR codes and links, collect payments, and track takings and payouts.',
            'account_name' => $account?->name,
        ];
    }
}