<?php

use ninja\mailers\ContactMailer as Mailer;
use ninja\repositories\InvoiceRepository;
use ninja\repositories\ClientRepository;
use ninja\repositories\TaxRateRepository;

class InvoiceController extends \BaseController {

	protected $mailer;
	protected $invoiceRepo;
	protected $clientRepo;
	protected $taxRateRepo;

	public function __construct(Mailer $mailer, InvoiceRepository $invoiceRepo, ClientRepository $clientRepo, TaxRateRepository $taxRateRepo)
	{
		parent::__construct();

		$this->mailer = $mailer;
		$this->invoiceRepo = $invoiceRepo;
		$this->clientRepo = $clientRepo;
		$this->taxRateRepo = $taxRateRepo;
	}	

	public function index()
	{
		$data = [
			'title' => trans('texts.invoices'),
			'entityType'=>ENTITY_INVOICE, 
			'columns'=>Utils::trans(['checkbox', 'invoice_number', 'client', 'invoice_date', 'invoice_total', 'balance_due', 'due_date', 'status', 'action'])
		];

		$recurringInvoices = Invoice::scope()->where('is_recurring', '=', true);

    if (Session::get('show_trash:invoice'))
    {
    	$recurringInvoices->withTrashed();      
    }

		if ($recurringInvoices->count() > 0)
		{
			$data['secEntityType'] = ENTITY_RECURRING_INVOICE;
			$data['secColumns'] = Utils::trans(['checkbox', 'frequency', 'client', 'start_date', 'end_date', 'invoice_total', 'action']);
		}

		return View::make('list', $data);
	}

	public function clientIndex()
	{
		$data = [
			'showClientHeader' => true,
			'hideLogo' => Session::get('white_label'),
			'title' => trans('texts.invoices'),
			'entityType'=>ENTITY_INVOICE, 
			'columns'=>Utils::trans(['invoice_number', 'invoice_date', 'invoice_total', 'balance_due', 'due_date'])
		];

		return View::make('public_list', $data);
	}

	public function getDatatable($clientPublicId = null)
  {
  	$accountId = Auth::user()->account_id;
  	$search = Input::get('sSearch');

  	return $this->invoiceRepo->getDatatable($accountId, $clientPublicId, ENTITY_INVOICE, $search);
  }

	public function getClientDatatable()
  {
  	//$accountId = Auth::user()->account_id;
  	$search = Input::get('sSearch');
  	$invitationKey = Session::get('invitation_key');
		$invitation = Invitation::where('invitation_key', '=', $invitationKey)->first();

		if (!$invitation || $invitation->is_deleted) 
		{
			return [];
		}

		$invoice = $invitation->invoice;
		
		if (!$invoice || $invoice->is_deleted) 
		{
			return [];
		}

  	return $this->invoiceRepo->getClientDatatable($invitation->contact_id, ENTITY_INVOICE, $search);
  }

	public function getRecurringDatatable($clientPublicId = null)
    {
    	$query = $this->invoiceRepo->getRecurringInvoices(Auth::user()->account_id, $clientPublicId, Input::get('sSearch'));
    	$table = Datatable::query($query);			

    	if (!$clientPublicId) {
    		$table->addColumn('checkbox', function($model) { return '<input type="checkbox" name="ids[]" value="' . $model->public_id . '" '. Utils::getEntityRowClass($model) . '>'; });
    	}
    	
    	$table->addColumn('frequency', function($model) { return link_to('invoices/' . $model->public_id, $model->frequency); });

    	if (!$clientPublicId) {
    		$table->addColumn('client_name', function($model) { return link_to('clients/' . $model->client_public_id, Utils::getClientDisplayName($model)); });
    	}
    	
    	return $table->addColumn('start_date', function($model) { return Utils::fromSqlDate($model->start_date); })
    	    ->addColumn('end_date', function($model) { return Utils::fromSqlDate($model->end_date); })    	    
    	    ->addColumn('amount', function($model) { return Utils::formatMoney($model->amount, $model->currency_id); })
    	    ->addColumn('dropdown', function($model) 
    	    { 
            if ($model->is_deleted)
            {
                return '<div style="height:38px"/>';
            }
            
            $str = '<div class="btn-group tr-action" style="visibility:hidden;">
                        <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown">
                            '.trans('texts.select').' <span class="caret"></span>
                        </button>
                        <ul class="dropdown-menu" role="menu">';

            if (!$model->deleted_at || $model->deleted_at == '0000-00-00')
            {
                $str .= '<li><a href="' . URL::to('invoices/'.$model->public_id.'/edit') . '">'.trans('texts.edit_invoice').'</a></li>
										    <li class="divider"></li>
										    <li><a href="javascript:archiveEntity(' . $model->public_id . ')">'.trans('texts.archive_invoice').'</a></li>
										    <li><a href="javascript:deleteEntity(' . $model->public_id . ')">'.trans('texts.delete_invoice').'</a></li>';
            }
            else
            {
                $str .= '<li><a href="javascript:restoreEntity(' . $model->public_id. ')">'.trans('texts.restore_invoice').'</a></li>';
            }
                                                  
            return $str . '</ul>
                    </div>';

						    						   
    	    })    	       	    
    	    ->make();    	
    }


	public function view($invitationKey)
	{
		$invitation = Invitation::where('invitation_key', '=', $invitationKey)->firstOrFail();

		$invoice = $invitation->invoice;
		
		if (!$invoice || $invoice->is_deleted) 
		{
			return View::make('invoices.deleted');
		}

		if ($invoice->is_quote && $invoice->quote_invoice_id)
		{
			$invoice = Invoice::scope($invoice->quote_invoice_id, $invoice->account_id)->firstOrFail();

			if (!$invoice || $invoice->is_deleted) 
			{
				return View::make('invoices.deleted');
			}
		}

		$invoice->load('user', 'invoice_items', 'invoice_design', 'account.country', 'client.contacts', 'client.country');

		$client = $invoice->client;
		
		if (!$client || $client->is_deleted) 
		{
			return View::make('invoices.deleted');
		}

		if (!Session::has($invitationKey) && (!Auth::check() || Auth::user()->account_id != $invoice->account_id))
		{
			Activity::viewInvoice($invitation);	
			Event::fire('invoice.viewed', $invoice);			
		}

		Session::set($invitationKey, true);
		Session::set('invitation_key', $invitationKey);
		Session::set('white_label', $client->account->isWhiteLabel());

		$client->account->loadLocalizationSettings();		

		$invoice->invoice_date = Utils::fromSqlDate($invoice->invoice_date);
		$invoice->due_date = Utils::fromSqlDate($invoice->due_date);
		$invoice->is_pro = $client->account->isPro();

		$contact = $invitation->contact;
		$contact->setVisible([
			'first_name', 
			'last_name', 
			'email', 
			'phone']);		

		$data = array(
			'showClientHeader' => true,			
			'showBreadcrumbs' => false,
			'hideLogo' => $client->account->isWhiteLabel(),
			'invoice' => $invoice->hidePrivateFields(),
			'invitation' => $invitation,
			'invoiceLabels' => $client->account->getInvoiceLabels(),
			'contact' => $contact
		);

		return View::make('invoices.view', $data);
	}

	public function edit($publicId, $clone = false)
	{
		$invoice = Invoice::scope($publicId)->withTrashed()->with('invitations', 'account.country', 'client.contacts', 'client.country', 'invoice_items')->firstOrFail();
		$entityType = $invoice->getEntityType();

  	$contactIds = DB::table('invitations')
			->join('contacts', 'contacts.id', '=','invitations.contact_id')
			->where('invitations.invoice_id', '=', $invoice->id)
			->where('invitations.account_id', '=', Auth::user()->account_id)
			->where('invitations.deleted_at', '=', null)
			->select('contacts.public_id')->lists('public_id');
		
		if ($clone)
		{
			$invoice->id = null;
			$invoice->invoice_number = Auth::user()->account->getNextInvoiceNumber($invoice->is_quote);
			$invoice->balance = $invoice->amount;
			$invoice->invoice_status_id = 0;
			$invoice->invoice_date = date_create()->format('Y-m-d');
			$method = 'POST';			
			$url = "{$entityType}s";
		}
		else
		{
			Utils::trackViewed($invoice->invoice_number . ' - ' . $invoice->client->getDisplayName(), $invoice->getEntityType());
			$method = 'PUT';
			$url = "{$entityType}s/{$publicId}";
		}
		
		$invoice->invoice_date = Utils::fromSqlDate($invoice->invoice_date);
		$invoice->due_date = Utils::fromSqlDate($invoice->due_date);
		$invoice->start_date = Utils::fromSqlDate($invoice->start_date);
		$invoice->end_date = Utils::fromSqlDate($invoice->end_date);
		$invoice->is_pro = Auth::user()->isPro();

		$data = array(
				'entityType' => $entityType,
				'showBreadcrumbs' => $clone,
				'account' => $invoice->account,
				'invoice' => $invoice, 
				'data' => false,
				'method' => $method, 
				'invitationContactIds' => $contactIds,
				'url' => $url, 
				'title' => trans("texts.edit_{$entityType}"),
				'client' => $invoice->client);
		$data = array_merge($data, self::getViewModel());		

		// Set the invitation link on the client's contacts
		if (!$clone)
		{
			$clients = $data['clients'];
			foreach ($clients as $client)
			{
				if ($client->id == $invoice->client->id)
				{
					foreach ($invoice->invitations as $invitation)
					{
						foreach ($client->contacts as $contact)
						{
							if ($invitation->contact_id == $contact->id)
							{
								$contact->invitation_link = $invitation->getLink();
							}
						}				
					}
					break;
				}
			}
		}
			
		return View::make('invoices.edit', $data);
	}

	public function create($clientPublicId = 0)
	{	
		$client = null;
		$invoiceNumber = Auth::user()->account->getNextInvoiceNumber();
		$account = Account::with('country')->findOrFail(Auth::user()->account_id);

		if ($clientPublicId) 
		{
			$client = Client::scope($clientPublicId)->firstOrFail();
    }

		$data = array(
				'entityType' => ENTITY_INVOICE,
				'account' => $account,
				'invoice' => null,
				'data' => Input::old('data'), 
				'invoiceNumber' => $invoiceNumber,
				'method' => 'POST', 
				'url' => 'invoices', 
				'title' => trans('texts.new_invoice'),
				'client' => $client);
		$data = array_merge($data, self::getViewModel());				

		return View::make('invoices.edit', $data);
	}

	private static function getViewModel()
	{
		$recurringHelp = '';
		foreach(preg_split("/((\r?\n)|(\r\n?))/", trans('texts.recurring_help')) as $line){
			$parts = explode("=>", $line);
			if (count($parts) > 1) {
				$line = $parts[0] . ' => ' . Utils::processVariables($parts[0]);
				$recurringHelp .= '<li>' . strip_tags($line) . '</li>';
			} else {
				$recurringHelp .= $line;
			}
		}

		return [
			'account' => Auth::user()->account,
			'products' => Product::scope()->orderBy('id')->get(array('product_key','notes','cost','qty')),
			'countries' => Country::remember(DEFAULT_QUERY_CACHE)->orderBy('name')->get(),
			'clients' => Client::scope()->with('contacts', 'country')->orderBy('name')->get(),
			'taxRates' => TaxRate::scope()->orderBy('name')->get(),
			'currencies' => Currency::remember(DEFAULT_QUERY_CACHE)->orderBy('name')->get(),
			'sizes' => Size::remember(DEFAULT_QUERY_CACHE)->orderBy('id')->get(),
			'paymentTerms' => PaymentTerm::remember(DEFAULT_QUERY_CACHE)->orderBy('num_days')->get(['name', 'num_days']),
			'industries' => Industry::remember(DEFAULT_QUERY_CACHE)->orderBy('name')->get(),				
      'invoiceDesigns' => InvoiceDesign::remember(DEFAULT_QUERY_CACHE, 'invoice_designs_cache_'.Auth::user()->maxInvoiceDesignId())
      	->where('id', '<=', Auth::user()->maxInvoiceDesignId())->orderBy('id')->get(),
			'frequencies' => array(
				1 => 'Weekly',
				2 => 'Two weeks',
				3 => 'Four weeks',
				4 => 'Monthly',
				5 => 'Three months',
				6 => 'Six months',
				7 => 'Annually'
			),
			'recurringHelp' => $recurringHelp
		];
	}

	/**
	 * Store a newly created resource in storage.
	 *
	 * @return Response
	 */
	public function store()
	{		
		return InvoiceController::save();
	}

	private function save($publicId = null)
	{	
		$action = Input::get('action');
		$entityType = Input::get('entityType');

		if (in_array($action, ['archive', 'delete', 'mark', 'restore']))
		{
			return InvoiceController::bulk($entityType);
		}

		$input = json_decode(Input::get('data'));					
		$invoice = $input->invoice;

		if ($errors = $this->invoiceRepo->getErrors($invoice))
		{					
			Session::flash('error', trans('texts.invoice_error'));

			return Redirect::to("{$entityType}s/create")
				->withInput()->withErrors($errors);
		} 
		else 
		{			
			$this->taxRateRepo->save($input->tax_rates);
						
			$clientData = (array) $invoice->client;			
			$client = $this->clientRepo->save($invoice->client->public_id, $clientData);
						
			$invoiceData = (array) $invoice;
			$invoiceData['client_id'] = $client->id;
			$invoice = $this->invoiceRepo->save($publicId, $invoiceData, $entityType);
			
			$account = Auth::user()->account;
			if ($account->invoice_taxes != $input->invoice_taxes 
						|| $account->invoice_item_taxes != $input->invoice_item_taxes
						|| $account->invoice_design_id != $input->invoice->invoice_design_id)
			{
				$account->invoice_taxes = $input->invoice_taxes;
				$account->invoice_item_taxes = $input->invoice_item_taxes;
				$account->invoice_design_id = $input->invoice->invoice_design_id;
				$account->save();
			}

			$client->load('contacts');
			$sendInvoiceIds = [];

			foreach ($client->contacts as $contact)
			{
				if ($contact->send_invoice || count($client->contacts) == 1)
				{	
					$sendInvoiceIds[] = $contact->id;
				}
			}
			
			foreach ($client->contacts as $contact)
			{
				$invitation = Invitation::scope()->whereContactId($contact->id)->whereInvoiceId($invoice->id)->first();
				
				if (in_array($contact->id, $sendInvoiceIds) && !$invitation) 
				{	
					$invitation = Invitation::createNew();
					$invitation->invoice_id = $invoice->id;
					$invitation->contact_id = $contact->id;
					$invitation->invitation_key = str_random(RANDOM_KEY_LENGTH);
					$invitation->save();
				}				
				else if (!in_array($contact->id, $sendInvoiceIds) && $invitation)
				{
					$invitation->delete();
				}
			}						

			$message = trans($publicId ? "texts.updated_{$entityType}" : "texts.created_{$entityType}");
			if ($input->invoice->client->public_id == '-1')
			{
				$message = $message . ' ' . trans('texts.and_created_client');

				$url = URL::to('clients/' . $client->public_id);
				Utils::trackViewed($client->getDisplayName(), ENTITY_CLIENT, $url);
			}
			
			if ($action == 'clone')
			{
				return $this->cloneInvoice($publicId);
			}
			else if ($action == 'convert')
			{
				return $this->convertQuote($publicId);
			}
			else if ($action == 'email') 
			{	
				if (Auth::user()->confirmed && !Auth::user()->isDemo())
				{
					$message = trans("texts.emailed_{$entityType}");
					$this->mailer->sendInvoice($invoice);
					Session::flash('message', $message);
				}
				else
				{
					$errorMessage = trans(Auth::user()->registered ? 'texts.confirmation_required' : 'texts.registration_required');
					Session::flash('error', $errorMessage);
					Session::flash('message', $message);					
				}
			} 
			else 
			{				
				Session::flash('message', $message);
			}

			$url = "{$entityType}s/" . $invoice->public_id . '/edit';
			return Redirect::to($url);
		}
	}

	/**
	 * Display the specified resource.
	 *
	 * @param  int  $id
	 * @return Response
	 */
	public function show($publicId)
	{
		Session::reflash();
		
		return Redirect::to('invoices/'.$publicId.'/edit');
	}

	/**
	 * Update the specified resource in storage.
	 *
	 * @param  int  $id
	 * @return Response
	 */
	public function update($publicId)
	{
		return InvoiceController::save($publicId);
	}

	/**
	 * Remove the specified resource from storage.
	 *
	 * @param  int  $id
	 * @return Response
	 */
	public function bulk($entityType = ENTITY_INVOICE)
	{
		$action = Input::get('action');
		$statusId = Input::get('statusId', INVOICE_STATUS_SENT);
		$ids = Input::get('id') ? Input::get('id') : Input::get('ids');
		$count = $this->invoiceRepo->bulk($ids, $action, $statusId);

 		if ($count > 0)		
 		{
 			$key = $action == 'mark' ? "updated_{$entityType}" : "{$action}d_{$entityType}";
			$message = Utils::pluralize($key, $count);
			Session::flash('message', $message);
		}

		if ($action == 'restore' && $count == 1)
		{
			return Redirect::to("{$entityType}s/" . $ids[0]);
		}
		else
		{
			return Redirect::to("{$entityType}s");			
		}		
	}

	public function convertQuote($publicId)
	{
		$invoice = Invoice::with('invoice_items')->scope($publicId)->firstOrFail();   
		$clone = $this->invoiceRepo->cloneInvoice($invoice, $invoice->id);

		Session::flash('message', trans('texts.converted_to_invoice'));
		return Redirect::to('invoices/' . $clone->public_id);
	}

	public function cloneInvoice($publicId)
	{
		/*
		$invoice = Invoice::with('invoice_items')->scope($publicId)->firstOrFail();   
		$clone = $this->invoiceRepo->cloneInvoice($invoice);
		$entityType = $invoice->getEntityType();

		Session::flash('message', trans('texts.cloned_invoice'));
		return Redirect::to("{$entityType}s/" . $clone->public_id);
		*/

		return self::edit($publicId, true);
	}
}