<?php
namespace taskman;
use Exception;

task('help', function($args = array())
{
  $filter = '';
  if(isset($args[0]))
    $filter = $args[0];

  $maxlen = -1;
  $tasks = array();
  $all = get_tasks();
  foreach($all as $task)
  {
    if($filter && (strpos($task->getName(), $filter) === false && 
        strpos($task->getPropOr("alias", ""), $filter) === false))
      continue;

    if(strlen($task->getName()) > $maxlen)
      $maxlen = strlen($task->getName());

    $tasks[] = $task;
  }

  if(!$args)
  {
    $help_func = $GLOBALS['TASKMAN_HELP_FUNC'];
    $help_func();
    echo "\n";
  }

  echo "Available tasks:\n";
  foreach($tasks as $task)
  {
    $props_string = '';
    $pad = $maxlen - strlen($task->getName());
    foreach($task->getProps() as $name => $value)
    {
      $props_string .= str_repeat(" ", $pad) .'  @' . $name . ' ' . (is_string($value) ? $value : json_encode($value)) . "\n";
      $pad = $maxlen + 1;
    }
    $props_string = rtrim($props_string);

    echo "---------------------------------\n";
    $file = $task->getFile();
    $line = $task->getLine();
    echo " " . $task->getName() .  $props_string . " ($file@$line)\n";
  }
  echo "\n";
});

task('props', function($args = [])
{
  $filter = '';
  if(isset($args[0]))
    $filter = $args[0];

  $props = props();

  echo "\n";
  echo "Available props:\n";
  foreach($props as $k => $v)
  {
    if($filter && stripos($k, $filter) === false)
      continue;

    echo "---------------------------------\n";
    echo "$k : " . var_export($v, true) . "\n";
  }
  echo "\n";
});