<?php

namespace Aerex\TaskwarriorPlugin\Taskwarrior\Commands;
use Aerex\TaskwarriorPlugin\Taskwarrior\Task;
use Aerex\TaskwarriorPlugin\Config;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;
use Aerex\TaskwarriorPlugin\Exceptions\TaskwarriorCommandException;


class TodoStrategy implements IStrategy {
private $config;

public function __construct(Config $config){
  $this->config = $config;
}

public function count($uuid){
  $cmd[] = $this->config->getTaskBin();
  $cmd[] = sprintf('%s count', $uuid);
  return $this->executeCommand($cmd);
}

public function modify($task){
  $cmd[] = $this->config->getTaskBin();

  $uuid = $task->getUuid();
  $taskJson = $task->convertToArray();

  // Append modify command
  $cmd[] = sprintf(' %s modify ', $uuid);

  $document = $task->getDescription();

  // Append as first modifier description if set
  
  if(isset($document)){
    $cmd[] = $document;
  }

  // Append on modifiers
  foreach($taskJson as $prop => $value){
    if(isset($value) && $value != null){
      $cmd[] = sprintf(' %s: %s ', $prop, $value);
    }
  }

  return $this->executeCommand($cmd);

}

public function add(Task $task){
  $cmd[] = $this->config->getTaskBin();
  $cmd[] = 'add';

  if($task->getDescription() != null){
    $cmd[] = sprintf('"%s"', (string)$task->getDescription());
  }

  if($task->getCategories() != null){
    $categories = implode(' +', (string)$task->getCategories());
    $cmd[] = $categories; 
  }

  if($task->getDue() != null){
    $cmd[] = sprintf("due:%s",$task->getDue('Y-m-dTH:i:s'));
  }

  if($task->getRecurrence() != null){
    $rrule = $task->getRecurrence()->getParts();
    $cmd[] = sprintf('recur:%s', $rrule['FREQ']);
    if(isset($rrule['UNTIL'])){
      $cmd[] = sprintf('until:%s', $rrule['UNTIL']);
    }
  }

  if($task->getStatus() != null){
    $cmd[] = sprintf('status:%s', (string)$task->getStatus());
  }

  return $this->executeCommand($cmd);
}


private function executeCommand($command){
  $rcOptions = $this->config->getOptions();

    foreach ($rcOptions as $rcOption) {
      $command[] = $rcOption;
    }

    $cmdString = implode(' ', $command);
    echo $cmdString;
    $process = new Process($cmdString);

    try {
      $process->mustRun();
      // clear cmd queue
      $this->cmd = [];
      return $process->getOutput();
    } catch(ProcessFailedException $error){
      throw new TaskwarriorCommandException($error->getMesage());
      return;

    }


}

}