<?php

require __DIR__ . '/../vendor/autoload.php';

$functions = array_merge(
    require __DIR__ . '/functions/postgis-types.php',
    require __DIR__ . '/functions/geometry-constructors.php',
    require __DIR__ . '/functions/geometry-accessors.php',
    require __DIR__ . '/functions/geometry-editors.php',
    require __DIR__ . '/functions/geometry-outputs.php',
    require __DIR__ . '/functions/spatial-relationships-measurement.php',
    require __DIR__ . '/functions/geometry-processing.php',
    require __DIR__ . '/functions/miscellaneous-functions.php'
);

$functionIndex = array(
    array(
        'title' => 'PostgreSQL PostGIS Geometry/Geography/Box Types',
        'anchor' => 'PostGIS_Types',
        'functions' => array_keys(require __DIR__ . '/functions/postgis-types.php')
    ),
    array(
        'title' => 'Geometry Constructors',
        'anchor' => 'Geometry_Constructors',
        'functions' => array_keys(require __DIR__ . '/functions/geometry-constructors.php')
    ),
    array(
        'title' => 'Geometry Accessors',
        'anchor' => 'Geometry_Accessors',
        'functions' => array_keys(require __DIR__ . '/functions/geometry-accessors.php')
    ),
    array(
        'title' => 'Geometry Editors',
        'anchor' => 'Geometry_Editors',
        'functions' => array_keys(require __DIR__ . '/functions/geometry-editors.php')
    ),
    array(
        'title' => 'Geometry Outputs',
        'anchor' => 'Geometry_Outputs',
        'functions' => array_keys(require __DIR__ . '/functions/geometry-outputs.php')
    ),
    array(
        'title' => 'Spatial Relationships and Measurements',
        'anchor' => 'Spatial_Relationships_Measurements',
        'functions' => array_keys(require __DIR__ . '/functions/spatial-relationships-measurement.php')
    ),
    array(
        'title' => 'Geometry Processing',
        'anchor' => 'Geometry_Processing',
        'functions' => array_keys(require __DIR__ . '/functions/geometry-processing.php')
    ),
    array(
        'title' => 'Miscellaneous Functions',
        'anchor' => 'Miscellaneous_Functions',
        'functions' => array_keys(require __DIR__ . '/functions/miscellaneous-functions.php')
    )
);

$srcPath = __DIR__ . '/../src/Functions';
$testPath = __DIR__ . '/../tests/Functions';
$docsPath = __DIR__ . '/../docs';

function get_function_src_class_code($name, $options)
{
    $totalArguments = isset($options['total_arguments']) ? $options['total_arguments'] : 0;
    $requiredArguments = isset($options['required_arguments']) ? $options['required_arguments'] : 0;
    ob_start();
?>
/* This file is auto-generated. Don't edit directly! */

namespace Jsor\Doctrine\PostGIS\Functions;

use Doctrine\ORM\Query\AST\Functions\FunctionNode;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;

class <?php echo $name; ?> extends FunctionNode
{
    protected $expressions = array();

    public function parse(Parser $parser)
    {
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);
<?php if ($totalArguments > 0): ?>
    <?php for ($i = 0; $i < $requiredArguments; $i++): ?>
        <?php if ($i > 0): ?>

        $parser->match(Lexer::T_COMMA);
        <?php endif; ?>

        $this->expressions[] = $parser->ArithmeticFactor();
    <?php endfor; ?>
    <?php for ($i = 0, $j = $totalArguments - $requiredArguments; $i < $j; $i++): ?>
        <?php if ($i === 0): ?>

        $lexer = $parser->getLexer();
        <?php endif; ?>

        if ($lexer->lookahead['type'] === Lexer::T_COMMA) {
            $parser->match(Lexer::T_COMMA);
            $this->expressions[] = $parser->ArithmeticFactor();
        }
    <?php endfor; ?>
<?php endif; ?>

        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }

    public function getSql(SqlWalker $sqlWalker)
    {
<?php if ($totalArguments > 0): ?>
        $arguments = array();

        foreach ($this->expressions as $expression) {
            $arguments[] = $expression->dispatch($sqlWalker);
        }

        return '<?php echo $name; ?>(' . implode(', ', $arguments) . ')';
<?php else: ?>

        return '<?php echo $name; ?>()';
<?php endif; ?>
    }
}
<?php

    return ob_get_clean();
}

function get_function_test_class_code($name, $options)
{
    $queries = isset($options['tests']['queries']) ? $options['tests']['queries'] : array();
    ob_start();
?>
/* This file is auto-generated. Don't edit directly! */

namespace Jsor\Doctrine\PostGIS\Functions;

use Jsor\Doctrine\PostGIS\AbstractFunctionalTestCase;
use Jsor\Doctrine\PostGIS\PointsEntity;

<?php if (!empty($options['tests']['group'])): ?>
/**
<?php foreach ((array) $options['tests']['group'] as $group): ?>
 * @group <?php echo $group; ?>

<?php endforeach; ?>
 */
<?php endif; ?>
class <?php echo $name; ?>Test extends AbstractFunctionalTestCase
{
    protected function setUp()
    {
        parent::setUp();

        $this->_setUpEntitySchema(array(
            'Jsor\Doctrine\PostGIS\PointsEntity'
        ));

        $em = $this->_getEntityManager();

        $entity = new PointsEntity(array(
            'text' => 'foo',
            'geometry' => 'POINT(1 1)',
            'point' => 'POINT(1 1)',
            'point2D' => 'SRID=3785;POINT(1 1)',
            'point3DZ' => 'SRID=3785;POINT(1 1 1)',
            'point3DM' => 'SRID=3785;POINTM(1 1 1)',
            'point4D' => 'SRID=3785;POINT(1 1 1 1)',
            'point2DNullable' => null,
            'point2DNoSrid' => 'POINT(1 1)',
            'geography' => 'SRID=4326;POINT(1 1)',
            'pointGeography2d' => 'SRID=4326;POINT(1 1)',
            'pointGeography2dSrid' => 'POINT(1 1)',
        ));

        $em->persist($entity);
        $em->flush();
        $em->clear();
    }
<?php foreach ($queries as $index => $query): ?>

<?php if (!empty($query['group'])): ?>
    /**
<?php foreach ((array) $query['group'] as $group): ?>
     * @group <?php echo $group; ?>

<?php endforeach; ?>
     */
<?php endif; ?>
    public function testQuery<?php echo $index + 1; ?>()
    {
        $query = $this->_getEntityManager()->createQuery(<?php echo var_export(str_replace('{function}', $name, $query['sql']) . ' FROM Jsor\Doctrine\PostGIS\PointsEntity point'); ?>);

        $result = $query->getSingleResult();

        array_walk_recursive($result, function (&$data) {
            if (is_resource($data)) {
                $data = stream_get_contents($data);

                if (false !== ($pos = strpos($data, 'x'))) {
                    $data = substr($data, $pos + 1);
                }
            }

            if (is_string($data)) {
                $data = trim($data);
            }
        });

        $expected = <?php echo var_export($query['result'], true); ?>;

        $this->assertEquals($expected, $result, '', 0.0001);
    }
<?php endforeach; ?>
}
<?php

    return ob_get_clean();
}

function get_configurator_class_code($functions)
{
    ob_start();
?>
/* This file is auto-generated. Don't edit directly! */

namespace Jsor\Doctrine\PostGIS\Functions;

use Doctrine\ORM\Configuration;

class Configurator
{
    public static function configure(Configuration $configuration)
    {
<?php foreach ($functions as $name => $options): ?>
<?php
if (isset($options['alias_for'])) {
    $options = array_replace_recursive($functions[$options['alias_for']], $options);
}
?>
        $configuration->addCustom<?php echo isset($options['return_type']) ? ucfirst($options['return_type']) : 'String'; ?>Function('<?php echo $name; ?>', <?php echo $name; ?>::class);
<?php endforeach; ?>
    }
}
<?php

    return ob_get_clean();
}

foreach ($functions as $name => $options) {
    $srcFile = $srcPath . '/' . $name . '.php';
    $testFile = $testPath . '/' . $name . 'Test.php';

    if (isset($options['alias_for'])) {
        $options = array_replace_recursive($functions[$options['alias_for']], $options);
    }

    file_put_contents($srcFile, "<?php\n\n" . get_function_src_class_code($name, $options));
    file_put_contents($testFile, "<?php\n\n" . get_function_test_class_code($name, $options));
}

file_put_contents(
    $srcPath . '/Configurator.php',
    "<?php\n\n" . get_configurator_class_code($functions)
);

passthru(__DIR__ . '/../vendor/bin/php-cs-fixer --verbose --config=' . __DIR__ . '/../.php_cs fix');

$md = <<<MD
Function Index
==============

MD;

foreach ($functionIndex as $section) {
    $md .= <<<MD

[{$section['title']}](https://postgis.net/docs/reference.html#{$section['anchor']})
----------


MD;
    foreach ($section['functions'] as $func) {
        $md .= <<<MD
* [$func](https://postgis.net/docs/$func.html)

MD;
    }
}
file_put_contents($docsPath . '/function-index.md', $md);