<?php
/*
 SPDX-License-Identifier: AGPL-3.0-only
 SPDX-FileCopyrightText: © 2024 Millions Missing FRANCE <info@millionsmissing.fr>
 */

namespace MillionsMissingFrance\FreescoutRestrictedCustomers\Http\Controllers;

use App\Conversation;
use Illuminate\Http\Request;
use App\Http\Controllers\ConversationsController as BaseConversationsController;
use MillionsMissingFrance\FreescoutRestrictedCustomers\Customer;

class ConversationsController extends BaseConversationsController {
	/**
	 * Search.
	 */
	public function search(Request $request) {
		$user = auth()->user();
		$conversations = [];
		$customers = [];

		$mode = $this->getSearchMode($request);

		// Search query
		$q = $this->getSearchQuery($request);

		// Filters.
		$filters = $this->getSearchFilters($request);
		$filters_data = [];
		// Modify filters is needed.
		if (!empty($filters['customer'])) {
			// Get customer name.
			$filters_data['customer'] = Customer::find($filters['customer']);
		}
		//$filters = \Eventy::filter('search.filters', $filters, $filters_data, $mode, $q);

		// Remember recent query.
		$recent_search_queries = session('recent_search_queries') ?? [];
		if ($q && !in_array($q, $recent_search_queries)) {
			array_unshift($recent_search_queries, $q);
			$recent_search_queries = array_slice($recent_search_queries, 0, 4);
			session()->put('recent_search_queries', $recent_search_queries);
		}

		$conversations = [];
		if (\Eventy::filter('search.is_needed', true, 'conversations')) {
			$conversations = $this->searchQuery($user, $q, $filters);
		}

		// Jump to the conversation if searching by conversation number.
		if (count($conversations) == 1
			&& $conversations[0]->number == $q
			&& empty($filters)
			&& !$request->x_embed
		) {
			return redirect()->away($conversations[0]->url($conversations[0]->folder_id));
		}

		$customers = $this->searchCustomers($request, $user);

		// Dummy folder
		$folder = $this->getSearchFolder($conversations);

		// List of available filters.
		if ($mode == Conversation::SEARCH_MODE_CONV) {
			$filters_list = \Eventy::filter('search.filters_list', Conversation::$search_filters, $mode, $filters, $q);
		} else {
			$filters_list = \Eventy::filter('search.filters_list_customers', Customer::$search_filters, $mode, $filters, $q);
		}

		$mailboxes = \Cache::remember('search_filter_mailboxes_'.$user->id, 5, function () use ($user) {
			return $user->mailboxesCanView();
		});
		$users = \Cache::remember('search_filter_users_'.$user->id, 5, function () use ($user, $mailboxes) {
			return \Eventy::filter('search.assignees', $user->whichUsersCanView($mailboxes), $user, $mailboxes);
		});
		$search_mailbox = null;
		if (isset($filters['mailbox'])) {
			$mailbox_id = (int)$filters['mailbox'];
			if ($mailbox_id && in_array($mailbox_id, $mailboxes->pluck('id')->toArray())) {
				foreach ($mailboxes as $mailbox_item) {
					if ($mailbox_item->id == $mailbox_id) {
						$search_mailbox = $mailbox_item;
						break;
					}
				}
			}
		} elseif (count($mailboxes) == 1) {
			$search_mailbox = $mailboxes[0];
		}

		return view('conversations/search', [
			'folder'        => $folder,
			'q'             => $request->q,
			'filters'       => $filters,
			'filters_list'  => $filters_list,
			'filters_data'  => $filters_data,
			//'filters_list_all'  => $filters_list_all,
			'mode'          => $mode,
			'conversations' => $conversations,
			'customers'     => $customers,
			'recent'        => session('recent_search_queries'),
			'users'         => $users,
			'mailboxes'     => $mailboxes,
			'search_mailbox'  => $search_mailbox,
		]);
	}

	/**
	 * Search conversations.
	 */
	public function searchCustomers($request, $user) {
		// Get IDs of mailboxes to which user has access
		$mailbox_ids = $user->mailboxesIdsCanView();

		// Filters
		$filters = $this->getSearchFilters($request);;

		// Search query
		$q = $this->getSearchQuery($request);

		// Like is case insensitive.
		$like = '%'.mb_strtolower($q).'%';

		// We need to use aggregate function for email to avoid "Grouping error" error in PostgreSQL.
		$query_customers = Customer::select(['customers.*', \DB::raw('MAX(emails.email)')])
			->groupby('customers.id')
			->leftJoin('emails', function ($join) {
				$join->on('customers.id', '=', 'emails.customer_id');
			})
			->where(function ($query) use ($like, $q) {
				$like_op = 'like';
				if (\Helper::isPgSql()) {
					$like_op = 'ilike';
				}

				$query
					->where('customers.first_name', $like_op, $like)
					->orwhere('customers.last_name', $like_op, $like)
					->orwhere('customers.company', $like_op, $like)
					->orwhere('customers.job_title', $like_op, $like)
					->orwhere('customers.websites', $like_op, $like)
					->orwhere('customers.social_profiles', $like_op, $like)
					->orwhere('customers.address', $like_op, $like)
					->orwhere('customers.city', $like_op, $like)
					->orwhere('customers.state', $like_op, $like)
					->orwhere('customers.zip', $like_op, $like)
					->orwhere('emails.email', $like_op, $like);

				$phone_numeric = \Helper::phoneToNumeric($q);

				if ($phone_numeric) {
					$query->orWhere('customers.phones', $like_op, '%"'.$phone_numeric.'"%');
				}

			})
			// Restrict the query to the Customers the current User is allowed to access.
			->whereIn('customers.mailbox_id', $mailbox_ids);

		if (!empty($filters['mailbox']) && in_array($filters['mailbox'], $mailbox_ids)) {
			$query_customers->where('customers.mailbox_id', '=', $filters['mailbox']);
		}

		$query_customers = \Eventy::filter('search.customers.apply_filters', $query_customers, $filters, $q);

		return $query_customers->paginate(50);
	}
}