<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2023. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Http\Controllers;

use App\Events\Client\ClientWasCreated;
use App\Events\Client\ClientWasUpdated;
use App\Factory\ClientFactory;
use App\Filters\ClientFilters;
use App\Http\Requests\Client\BulkClientRequest;
use App\Http\Requests\Client\CreateClientRequest;
use App\Http\Requests\Client\DestroyClientRequest;
use App\Http\Requests\Client\EditClientRequest;
use App\Http\Requests\Client\PurgeClientRequest;
use App\Http\Requests\Client\ShowClientRequest;
use App\Http\Requests\Client\StoreClientRequest;
use App\Http\Requests\Client\UpdateClientRequest;
use App\Http\Requests\Client\UploadClientRequest;
use App\Models\Account;
use App\Models\Client;
use App\Repositories\ClientRepository;
use App\Transformers\ClientTransformer;
use App\Utils\Ninja;
use App\Utils\Traits\BulkOptions;
use App\Utils\Traits\MakesHash;
use App\Utils\Traits\SavesDocuments;
use App\Utils\Traits\Uploadable;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Storage;

/**
 * Class ClientController.
 * @covers App\Http\Controllers\ClientController
 */
class ClientController extends BaseController
{
    use MakesHash;
    use Uploadable;
    use BulkOptions;
    use SavesDocuments;

    protected $entity_type = Client::class;

    protected $entity_transformer = ClientTransformer::class;

    /**
     * @var ClientRepository
     */
    protected $client_repo;

    /**
     * ClientController constructor.
     * @param ClientRepository $client_repo
     */
    public function __construct(ClientRepository $client_repo)
    {
        parent::__construct();

        $this->client_repo = $client_repo;
    }

    /**
     * @OA\Get(
     *      path="/api/v1/clients",
     *      operationId="getClients",
     *      tags={"clients"},
     *      summary="Gets a list of clients",
     *      description="Lists clients, search and filters allow fine grained lists to be generated.

     * Query parameters can be added to performed more fine grained filtering of the clients, these are handled by the ClientFilters class which defines the methods available",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(ref="#/components/parameters/index"),
     *      @OA\Response(
     *          response=200,
     *          description="A list of clients",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     * @param ClientFilters $filters
     * @return Response|mixed
     */
    public function index(ClientFilters $filters)
    {
        set_time_limit(45);

        $clients = Client::filter($filters);

        return $this->listResponse($clients);
    }

    /**
     * Display the specified resource.
     *
     * @param ShowClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     * @OA\Get(
     *      path="/api/v1/clients/{id}",
     *      operationId="showClient",
     *      tags={"clients"},
     *      summary="Shows a client",
     *      description="Displays a client by id",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the cl.ient object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function show(ShowClientRequest $request, Client $client)
    {
        return $this->itemResponse($client);
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param EditClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     * @OA\Get(
     *      path="/api/v1/clients/{id}/edit",
     *      operationId="editClient",
     *      tags={"clients"},
     *      summary="Shows a client for editting",
     *      description="Displays a client by id",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function edit(EditClientRequest $request, Client $client)
    {
        return $this->itemResponse($client);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param UpdateClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     *
     * @OA\Put(
     *      path="/api/v1/clients/{id}",
     *      operationId="updateClient",
     *      tags={"clients"},
     *      summary="Updates a client",
     *      description="Handles the updating of a client by id",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function update(UpdateClientRequest $request, Client $client)
    {
        if ($request->entityIsDeleted($client)) {
            return $request->disallowUpdate();
        }

        $client = $this->client_repo->save($request->all(), $client);

        $this->uploadLogo($request->file('company_logo'), $client->company, $client);

        event(new ClientWasUpdated($client, $client->company, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));

        return $this->itemResponse($client->fresh());
    }

    /**
     * Show the form for creating a new resource.
     *
     * @param CreateClientRequest $request
     * @return Response
     *
     *
     *
     * @OA\Get(
     *      path="/api/v1/clients/create",
     *      operationId="getClientsCreate",
     *      tags={"clients"},
     *      summary="Gets a new blank client object",
     *      description="Returns a blank object with default values",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Response(
     *          response=200,
     *          description="A blank client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function create(CreateClientRequest $request)
    {
        $client = ClientFactory::create(auth()->user()->company()->id, auth()->user()->id);

        return $this->itemResponse($client);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param StoreClientRequest $request
     * @return Response
     *
     *
     *
     * @OA\Post(
     *      path="/api/v1/clients",
     *      operationId="storeClient",
     *      tags={"clients"},
     *      summary="Adds a client",
     *      description="Adds an client to a company",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the saved client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function store(StoreClientRequest $request)
    {
        $client = $this->client_repo->save($request->all(), ClientFactory::create(auth()->user()->company()->id, auth()->user()->id));

        $client->load('contacts', 'primary_contact');

        /* Set the client country to the company if none is set */
        if (! $client->country_id && strlen($client->company->settings->country_id) > 1) {
            $client->update(['country_id' => $client->company->settings->country_id]);
        }

        $this->uploadLogo($request->file('company_logo'), $client->company, $client);

        event(new ClientWasCreated($client, $client->company, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));

        return $this->itemResponse($client);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param DestroyClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     * @throws \Exception
     * @OA\Delete(
     *      path="/api/v1/clients/{id}",
     *      operationId="deleteClient",
     *      tags={"clients"},
     *      summary="Deletes a client",
     *      description="Handles the deletion of a client by id",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns a HTTP status",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function destroy(DestroyClientRequest $request, Client $client)
    {
        $this->client_repo->delete($client);

        return $this->itemResponse($client->fresh());
    }

    /**
     * Perform bulk actions on the list view.
     *
     * @return Response
     *
     *
     * @OA\Post(
     *      path="/api/v1/clients/bulk",
     *      operationId="bulkClients",
     *      tags={"clients"},
     *      summary="Performs bulk actions on an array of clients",
     *      description="",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/index"),
     *      @OA\RequestBody(
     *         description="User credentials",
     *         required=true,
     *         @OA\MediaType(
     *             mediaType="application/json",
     *             @OA\Schema(
     *                 type="array",
     *                 @OA\Items(
     *                     type="integer",
     *                     description="Array of hashed IDs to be bulk 'actioned",
     *                     example="[0,1,2,3]",
     *                 ),
     *             )
     *         )
     *     ),
     *      @OA\Response(
     *          response=200,
     *          description="The Client User response",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function bulk(BulkClientRequest $request)
    {

        $action = $request->action;

        $clients = Client::withTrashed()
                         ->company()
                         ->whereIn('id', $request->ids)
                         ->cursor()
                         ->each(function ($client) use ($action) {
                                if (auth()->user()->can('edit', $client)) {
                                    $this->client_repo->{$action}($client);
                                }
                    });

        return $this->listResponse(Client::withTrashed()->company()->whereIn('id', $request->ids));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param UploadClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     *
     * @OA\Put(
     *      path="/api/v1/clients/{id}/upload",
     *      operationId="uploadClient",
     *      tags={"clients"},
     *      summary="Uploads a document to a client",
     *      description="Handles the uploading of a document to a client",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
     *          @OA\JsonContent(ref="#/components/schemas/Client"),
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function upload(UploadClientRequest $request, Client $client)
    {
        if (! $this->checkFeature(Account::FEATURE_DOCUMENTS)) {
            return $this->featureFailure();
        }

        if ($request->has('documents')) {
            $this->saveDocuments($request->file('documents'), $client);
        }

        return $this->itemResponse($client->fresh());
    }

    /**
     * Update the specified resource in storage.
     *
     * @param UploadClientRequest $request
     * @param Client $client
     * @return Response
     *
     *
     *
     * @OA\Post(
     *      path="/api/v1/clients/{id}/purge",
     *      operationId="purgeClient",
     *      tags={"clients"},
     *      summary="Purges a client from the system",
     *      description="Handles purging a client",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit")
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */
    public function purge(PurgeClientRequest $request, Client $client)
    {
        //delete all documents
        $client->documents->each(function ($document) {

            try{
                Storage::disk(config('filesystems.default'))->delete($document->url);
            }
            catch(\Exception $e){
                nlog($e->getMessage());
            }

        });

        //force delete the client
        $this->client_repo->purge($client);

        return response()->json(['message' => 'Success'], 200);

        //todo add an event here using the client name as reference for purge event
    }

/**
     * Update the specified resource in storage.
     *
     * @param PurgeClientRequest $request
     * @param Client $client
     * @param string $mergeable client hashed_id
     * @return Response
     *
     *
     *
     * @OA\Post(
     *      path="/api/v1/clients/{id}/{mergeable_client_hashed_id}/merge",
     *      operationId="mergeClient",
     *      tags={"clients"},
     *      summary="Merges two clients",
     *      description="Handles merging 2 clients",
     *      @OA\Parameter(ref="#/components/parameters/X-API-TOKEN"),
     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
     *      @OA\Parameter(ref="#/components/parameters/include"),
     *      @OA\Parameter(
     *          name="id",
     *          in="path",
     *          description="The Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Parameter(
     *          name="mergeable_client_hashed_id",
     *          in="path",
     *          description="The Mergeable Client Hashed ID",
     *          example="D2J234DFA",
     *          required=true,
     *          @OA\Schema(
     *              type="string",
     *              format="string",
     *          ),
     *      ),
     *      @OA\Response(
     *          response=200,
     *          description="Returns the client object",
     *          @OA\Header(header="X-MINIMUM-CLIENT-VERSION", ref="#/components/headers/X-MINIMUM-CLIENT-VERSION"),
     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit")
     *       ),
     *       @OA\Response(
     *          response=422,
     *          description="Validation error",
     *          @OA\JsonContent(ref="#/components/schemas/ValidationError"),
     *
     *       ),
     *       @OA\Response(
     *           response="default",
     *           description="Unexpected Error",
     *           @OA\JsonContent(ref="#/components/schemas/Error"),
     *       ),
     *     )
     */

    public function merge(PurgeClientRequest $request, Client $client, string $mergeable_client)
    {
        
        $m_client = Client::withTrashed()
                            ->where('id', $this->decodePrimaryKey($mergeable_client))
                            ->where('company_id', auth()->user()->company()->id)
                            ->first();

        if(!$m_client)
            return response()->json(['message' => "Client not found"]);

        $merged_client = $client->service()->merge($m_client)->save();

        return $this->itemResponse($merged_client);

    }

}