<?php

namespace App\Http\Controllers;

use App\Models\EtsyConnection;
use App\Services\Bambuddy;
use App\Services\DryerClient;
use App\Services\Etsy;
use App\Services\IntegrationSettings;
use App\Services\Parcel2Go;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\View\View;
use Throwable;

class DashboardController extends Controller
{
    public function __invoke(Request $request, Etsy $etsy, Bambuddy $bambuddy, Parcel2Go $parcel2Go, DryerClient $dryer, IntegrationSettings $settings): View
    {
        $isAdmin = $request->user()->role === 'admin';
        $etsyStatus = $isAdmin ? 'Not connected' : null;
        $etsyConnected = false;
        $receipts = [];
        $listingCount = null;
        $shippingStatus = $isAdmin ? 'Not configured' : null;
        $shipments = [];

        if ($isAdmin && ($connection = EtsyConnection::first()) && $etsy->configured()) {
            try {
                $receipts = $etsy->receipts($connection)['results'] ?? [];
                $etsyStatus = 'Live · '.$connection->shop_name;
                $etsyConnected = true;
            } catch (Throwable $exception) {
                report($exception);
                $etsyStatus = 'Temporarily unavailable';
            }

            try {
                $listings = $etsy->listings($connection);
                $listingCount = (int) ($listings['count'] ?? count($listings['results'] ?? []));
            } catch (Throwable $exception) {
                report($exception);
            }
        }

        $shippingConfig = $settings->for('parcel2go');
        if ($isAdmin && filled($shippingConfig['client_id'] ?? null) && filled($shippingConfig['client_secret'] ?? null) && filled($shippingConfig['auth_url'] ?? null)) {
            try {
                $parcel2Go->verifyCredentials();
                try {
                    $shipments = array_slice($parcel2Go->fetch('me/orders/detail')['Orders'] ?? [], 0, 4);
                    $shippingStatus = 'Live account';
                } catch (Throwable $exception) {
                    $shippingStatus = 'History access needed';
                }
            } catch (Throwable $exception) {
                report($exception);
                $shippingStatus = 'Temporarily unavailable';
            }
        }

        $printers = [];
        $printerStatus = 'Not configured';
        if ($bambuddy->configured()) {
            try {
                $printers = $bambuddy->printers();
                $printerStatus = 'Live from BamBuddy';
            } catch (Throwable $exception) {
                report($exception);
                $printerStatus = 'Temporarily unavailable';
            }
        }

        $printerStates = collect($printers)->countBy(function (array $printer): string {
            $live = $printer['live'] ?? [];
            $state = strtoupper((string) ($live['state'] ?? $printer['status'] ?? ''));

            if ($live === []) {
                return 'Unavailable';
            }
            if (($live['connected'] ?? false) === false) {
                return 'Offline';
            }
            if (in_array($state, ['RUNNING', 'PRINTING'], true)) {
                return 'Printing';
            }
            if (in_array($state, ['IDLE', 'READY', 'FINISH'], true)) {
                return 'Idle';
            }

            return 'Other';
        });

        $dryerState = 'Not configured';
        if ($dryer->configured()) {
            try {
                $dryerState = ucfirst((string) ($dryer->status()['state'] ?? 'Unknown'));
            } catch (Throwable $exception) {
                report($exception);
                $dryerState = 'Unavailable';
            }
        }

        $days = collect(range(13, 0))->map(fn (int $offset): Carbon => now()->startOfDay()->subDays($offset));
        $orderTrend = $days->map(fn (Carbon $day): int => collect($receipts)->filter(
            fn (array $receipt): bool => isset($receipt['create_timestamp'])
                && Carbon::createFromTimestamp((int) $receipt['create_timestamp'])->isSameDay($day),
        )->count())->all();

        return view('dashboard', [
            'isAdmin' => $isAdmin,
            'receipts' => array_slice($receipts, 0, 5),
            'awaitingDispatch' => count($receipts),
            'listingCount' => $listingCount,
            'etsyStatus' => $etsyStatus,
            'etsyConnected' => $etsyConnected,
            'shipments' => $shipments,
            'shippingStatus' => $shippingStatus,
            'printers' => $printers,
            'printerStatus' => $printerStatus,
            'printingCount' => $printerStates->get('Printing', 0),
            'printerChart' => $printerStates->map(fn (int $count, string $state): array => [
                'label' => $state,
                'count' => $count,
            ])->values()->all(),
            'dryerState' => $dryerState,
            'orderChart' => [
                'labels' => $days->map(fn (Carbon $day): string => $day->format('d M'))->all(),
                'series' => $orderTrend,
            ],
        ]);
    }
}