<?php

namespace App\Http\Controllers;

use App\Enums\Order\TransactionType;
use App\Models\Payment\Transaction;
use App\Models\Shop\DeliveryMode;
use App\Models\Shop\Order;
use App\Models\Shop\PaymentMode;
use Gloudemans\Shoppingcart\Cart;
use Gloudemans\Shoppingcart\CartItem;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Foundation\Bus\DispatchesJobs;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller as BaseController;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Facades\Session;
use Illuminate\Support\Str;
use Symfony\Component\HttpFoundation\Response;

class Controller extends BaseController
{
    use AuthorizesRequests;
    use DispatchesJobs;
    use ValidatesRequests;

    /**
     * Cart item options skel
     *
     * @var string[]
     */
    public static $cartItemOptionsSkel = [
        'virtual' => false,
        'reference' => '',
        'slug' => '',
        'picture' => '',
        'sell_unit' => '',
        'weight_with_unit' => '',
        // * Prix ttc du produit
        'price_ttc' => 0,
        // * Prix ttc du produit remisé
        'undiscounted_price_ttc' => 0,
        'tax_rate' => 0,
        'discount_type' => null,
        'discount_rate' => 0,
    ];

    /**
     * Controller
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware(function (Request $request, callable $next) {
            $reponse = $next($request);
            if (\request()->routeIs('bo.*') and !\request()->ajax()) {
                if (!DeliveryMode::getCached()->where('status', true)->count()) {
                    Session::flash('bo.warning', trans('Aucun mode de livraison n\'est disponible'));
                }
                if (!PaymentMode::getCached()->where('status', true)->count()) {
                    Session::flash('bo.warning', trans('Aucun mode de paiement n\'est disponible'));
                }
            }
            return $reponse;
        });
    }

    /**
     * Build Search query on specified fields
     * splitting search into words or using whole sentence
     *
     * @param \Illuminate\Database\Eloquent\Builder $query       The eloquent query builder.
     * @param string                                $search      The query string.
     * @param callable                              $searchQuery The query string.
     * @param string                                ...$fields   Either a simple array or a string
     *                                                           in case of a string the two fields
     *                                                           would be concatenate to make the search.
     * @return \Illuminate\Database\Eloquent\Builder
     */
    protected function searchQuery(
        Builder $query,
        string $search,
        callable $searchQuery = null,
        string ...$fields
    ): Builder {
        if (count($fields)) {
            // Search using words.
            $words = explode(' ', $search);
            $query->where(function ($query) use ($searchQuery, $words, $search, $fields) {
                foreach ($words as $word) {
                    if (!strlen($word)) {
                        continue;
                    }
                    $this->searchOnFields($query, $word, $fields);
                } //end foreach
                // Search whole using whole sentence.
                $this->searchOnFields($query, $search, $fields);
                if ($searchQuery) {
                    $searchQuery($query);
                }
            });
        } //end if
        return $query;
    }

    /**
     * Build query search on all fields
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param string                                $search
     * @param array                                 $fields
     * @return \Illuminate\Database\Eloquent\Builder
     */
    private function searchOnFields(Builder $query, string $search, array $fields): Builder
    {
        $table = $query->getModel()->getTable();
        foreach ($fields as $f) {
            $f = str_replace('?', '\?', $f);
            if (is_array($f)) {
                $query->orWhereRaw(
                    sprintf("UPPER(CONCAT(%s)) LIKE UPPER(?)", collect($f)->map(function ($q) use ($table) {
                        return "`$table`.`$q`";
                    })->implode(', \' \', ')),
                    ['%' . filter_var($search, FILTER_SANITIZE_STRING) . '%']
                );
            } else {
                $query->orWhereRaw(
                    "UPPER(`$table`.`$f`) LIKE UPPER(?)",
                    ['%' . filter_var($search, FILTER_SANITIZE_STRING) . '%']
                );
            }
        }
        return $query;
    }

    /**
     * Sort columns with a query
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param array                                 $ignore
     * @return \Illuminate\Database\Eloquent\Builder
     */
    protected function sortQuery(Builder $query, array $ignore = []): Builder
    {
        $rName = request()->route()->getName();
        $table = $query->getModel()->getTable();
        if (request()->sort_col) {
            Session::put("$rName.sort_col", request()->sort_col);
            Session::put("$rName.sorted", true);
        }
        if (request()->sort_way) {
            Session::put("$rName.sort_way", request()->sort_way);
            Session::put("$rName.sorted", true);
        }
        if (request()->rst) {
            Session::remove("$rName.sorted");
            Session::remove("$rName.sort_col");
            Session::remove("$rName.sort_way");
        }
        if (request()->sort_col and request()->sort_way and Schema::hasColumn($table, request()->sort_col)) {
            if (
                !isset($ignore) or
                (isset($ignore) and !in_array(request()->sort_col, $ignore))
            ) {
                $query = $query->orderBy(\sprintf("$table.%s", request()->sort_col), request()->sort_way);
            }
        } elseif (Schema::hasColumn($table, 'order')) {
            $query = $query->orderBy('order', 'ASC');
            Session::put("$rName.sort_col", 'order');
            Session::put("$rName.sort_way", 'asc');
        }
        return $query;
    }

    /**
     * Filter basket items to keep only the orderable ones
     *
     * ! Assert Model found, status true and orderable true.
     *
     * @param \Gloudemans\Shoppingcart\Cart $basket
     * @param array<string>                 $messages Will be filled with messages on warnings.
     * @return \Gloudemans\Shoppingcart\Cart
     */
    protected function filterBasketKeepOnlyOrderableItems(Cart $basket, array &$messages = []): Cart
    {
        \collect($basket->content())->each(function (CartItem $item) use (&$basket, &$messages) {
            /** @var \App\Models\Merchandise\Product|null */
            $product = $item->model;
            if (!$product or (!$product and (!$product->status or !$product->orderable))) {
                $basket->remove($item->rowId);
                $messages[] = \trans(
                    'Le produit :name a été retiré du panier car il n\'est plus disponible',
                    [
                        'name' => $item->name
                    ]
                );
            }
        });
        return $basket;
    }

    /**
     * Generate and download transaction invoice
     *
     * ! Appliable for both Fo and Bo controllers
     *
     * @param \App\Models\Shop\Order          $order
     * @param \App\Models\Payment\Transaction $transaction
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function downloadTransactionInvoice(Order $order, Transaction $transaction): Response
    {
        $this->authorize('download', $transaction);
        $title        = trans('Commande du :date - :orderRef - :transRef', [
            'date' => $transaction->created_at->isoFormat('DD\/MM\/YYYY'),
            'orderRef' => $order->reference,
            'transRef' => $transaction->reference,
        ]);
        $sluggedTitle = Str::slug(\implode(' ', [
            config('app.name'),
            $transaction->type->equals(TransactionType::debit()) ? trans('Facture') : trans('Avoir'),
            $transaction->created_at->isoFormat('YYYY-MM-DD'),
        ]));
        return \response()->streamDownload(function () use ($transaction, $title) {
            echo $transaction->generateInvoice($title)->output();
        }, "{$sluggedTitle}.pdf", [
            'Cache-Control' => 'public, must-revalidate, max-age=0',
            'Content-Description' => 'File Transfer',
            'Content-Type' => 'application/pdf',
            'Expires' => 'Sat, 26 Jul 1997 05:00:00 GMT',
            'Last-Modified' => gmdate('D, d M Y H:i:s') . ' GMT',
            // For glory.
            'X-Generator' => 'mPDF'
        ]);
    }

    /**
     * Generate and download transaction invoice
     *
     * ! Appliable for both Fo and Bo controllers
     *
     * @param \App\Models\Shop\Order $order
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function downloadOrderInvoice(Order $order): Response
    {
        $this->authorize('download', $order);
        $title        = trans('Commande du :date - :orderRef - :transRef', [
            'date' => $order->created_at->isoFormat('DD\/MM\/YYYY'),
            'orderRef' => $order->reference,
            'transRef' => trans('Toutes transactions'),
        ]);
        $sluggedTitle = Str::slug(\implode(' ', [
            config('app.name'),
            trans('Facture'),
            $order->created_at->isoFormat('YYYY-MM-DD'),
        ]));
        return \response()->streamDownload(function () use ($order, $title) {
            echo $order->generateInvoice($title)->output();
        }, "{$sluggedTitle}.pdf", [
            'Cache-Control' => 'public, must-revalidate, max-age=0',
            'Content-Description' => 'File Transfer',
            'Content-Type' => 'application/pdf',
            'Expires' => 'Sat, 26 Jul 1997 05:00:00 GMT',
            'Last-Modified' => gmdate('D, d M Y H:i:s') . ' GMT',
            // For glory.
            'X-Generator' => 'mPDF'
        ]);
    }
}