<?php

namespace Civi\CompilePlugin;

class Task
{
	/**
	 * List of supported types
	 *
	 * This is a quick-and-dirty hack.
	 */
	public const HANDLERS = 'composer|export|php|php-eval|php-method|php-script|putenv|sh';

	/**
	 * (Required) A unique ID for this task
	 *
	 * Ex: 'vendor/package:123'
	 *
	 * @var string
	 */
	public $id;

	/**
	 * (Optional) Printable title for this compilation task.
	 *
	 * @var string
	 *   Ex: 'Compile <comment>foobar.txt</comment>'
	 */
	public $title;

	/**
	 * (Optional) The developer's chosen ordering key.
	 *
	 * This ordering takes precedence over all other orderings. For example,
	 * if your ecosystem had a policy that all `XML=>PHP` compilations run
	 * before all `SCSS=>CSS` compilations, then you would use different weights
	 * for `XML=>PHP` (eg -5) and `SCSS=>CSS` (eg +5).
	 *
	 * NOTE: This option was added in early drafts as a pressure-relief valve
	 * in case some control was needed over ordering. It's now hidden, though,
	 * because I think it's better to wait for some feedback re:use-cases before
	 * committing to this model.
	 *
	 * @var int
	 */
	public $weight;

	/**
	 * (System-Generated) The topological order of the package which defines this
	 * task.
	 *
	 * @var int
	 */
	public $packageWeight;

	/**
	 * (System-Generated) Within a given package, the written ordering (from JSON)
	 * determines natural weight.
	 *
	 * @var int
	 */
	public $naturalWeight;

	/**
	 * (System-Generated) The name of the package which defined this task.
	 *
	 * @var string
	 */
	public $packageName;

	/**
	 * (Required) Run commands
	 *
	 * List of commands to run. Each command should begin with an '@type'.
	 *
	 * Ex: '@php-method Foo::bar'
	 * Ex: '@sh cp foo bar'
	 *
	 * @var string[]
	 */
	public $run;

	/**
	 * (Required) The folder in which to execute the task.
	 *
	 * @var string
	 */
	public $pwd;

	/**
	 * List of file-names and/or directory-names to watch.
	 *
	 * @see \Lurker\ResourceWatcher::track()
	 * @var array
	 */
	public $watchFiles = [];

	/**
	 * (Optional) Whether the task should be executed.
	 *
	 * @var bool
	 */
	public $active;

	/**
	 * The file in which this task was originally defined.
	 *
	 * @var string
	 */
	public $sourceFile;

	/**
	 * (Required) The raw task definition
	 *
	 * @var array
	 */
	public $definition;


	/**
	 * Ensure that any required fields are defined.
	 * @return static
	 */
	public function validate()
	{
		$missing = [];
		foreach (['naturalWeight', 'packageWeight', 'packageName', 'pwd', 'definition', 'run'] as $requiredField) {
		    if ($this->{$requiredField} === null || $this->{$requiredField} === '') {
		        $missing[] = $requiredField;
		    }
		}
		if ($missing) {
		    throw new \RuntimeException("Compilation task is missing field(s): " . implode(",", $missing));
		}

		$handlers = explode('|', self::HANDLERS);
		foreach ($this->getParsedRun() as $run) {
		    if (!in_array($run['type'], $handlers)) {
		        throw new \RuntimeException("Compilation task has invalid run expression: " . json_encode($run['expr']));
		    }
		}
		return $this;
	}


	/**
	 * @param string $filter
	 *   Ex: 'vendor/*'
	 *   Ex: 'vendor/package'
	 *   Ex: 'vendor/package:id'
	 * @return bool
	 */
	public function matchesFilter($filter)
	{
		if ($this->packageName === '__root__') {
		    return $filter === '__root__';
		}

		list ($tgtVendorPackage, $tgtId) = explode(':', "{$filter}:");
		list ($tgtVendor, $tgtPackage) = explode('/', $tgtVendorPackage . '/');
		list ($actualVendor, $actualPackage) = explode('/', $this->packageName);

		if ($tgtVendor !== '*' && $tgtVendor !== $actualVendor) {
		    return false;
		}
		if ($tgtPackage !== '*' && $tgtPackage !== $actualPackage) {
		    return false;
		}
		if ($tgtId !== '' && $tgtId !== '*' && $tgtId != $this->naturalWeight) {
		    return false;
		}

		return true;
	}


	/**
	 * Get a list of 'run' values.
	 *
	 * @return array
	 *   List of the 'run' values. Each is parsed.
	 *
	 *   Example: Suppose we have `run => ['@php foo']`
	 *   The output would be: `[['type' => 'php', 'code' => 'foo']]`
	 */
	public function getParsedRun()
	{
		$runs = [];
		foreach ($this->run as $runExpr) {
		    $runs[] = $this->parseRunExpr($runExpr);
		}
		return $runs;
	}


	protected function parseRunExpr($runExpr)
	{
		if (preg_match(';^@([a-z0-9\-]+) (.*)$;', $runExpr, $m)) {
		    return [
		      'type' => $m[1],
		      'code' => $m[2],
		      'expr' => $runExpr,
		    ];
		} else {
		    throw new \InvalidArgumentException("Failed to parse run expression: $runExpr");
		}
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzU0OTIwNTI2MDUxNzI3NiAxMTQ5NjMxMzEzNTMzNjY4IDQ1MjQ1MjUxMzg4MjgzMDc=