<?php

use Fenom\Render,
    Fenom\Provider as FS;

class FenomTest extends \Fenom\TestCase
{

    public static function providerOptions()
    {
        return array(
            array("disable_methods", Fenom::DENY_METHODS),
            array("disable_native_funcs", Fenom::DENY_NATIVE_FUNCS),
            array("disable_cache", Fenom::DISABLE_CACHE),
            array("force_compile", Fenom::FORCE_COMPILE),
            array("auto_reload", Fenom::AUTO_RELOAD),
            array("force_include", Fenom::FORCE_INCLUDE),
            array("auto_escape", Fenom::AUTO_ESCAPE),
            array("force_verify", Fenom::FORCE_VERIFY)
        );
    }

    public function testCreating() {
        $time = $this->tpl('temp.tpl', 'Template 1 a');
        $fenom = new Fenom($provider = new \Fenom\Provider(FENOM_RESOURCES . '/template'));
        $fenom->setCompileDir(FENOM_RESOURCES . '/compile');
        $this->assertInstanceOf('Fenom\Template', $tpl = $fenom->getTemplate('temp.tpl'));
        $this->assertSame($provider, $tpl->getProvider());
        $this->assertSame('temp.tpl', $tpl->getBaseName());
        $this->assertSame('temp.tpl', $tpl->getName());
        $this->assertSame($time, $tpl->getTime());
        $fenom->clearAllCompiles();
    }

    public function testFactory() {
        $time = $this->tpl('temp.tpl', 'Template 1 a');
        $fenom = Fenom::factory($provider = new \Fenom\Provider(FENOM_RESOURCES . '/template'), FENOM_RESOURCES . '/compile', Fenom::AUTO_ESCAPE);
        $this->assertInstanceOf('Fenom\Template', $tpl = $fenom->getTemplate('temp.tpl'));
        $this->assertSame($provider, $tpl->getProvider());
        $this->assertSame('temp.tpl', $tpl->getBaseName());
        $this->assertSame('temp.tpl', $tpl->getName());
        $this->assertSame($time, $tpl->getTime());
        $fenom->clearAllCompiles();
    }

    public function testCompileFile()
    {
        $a = array(
            "a" => "a",
            "b" => "b"
        );
        $this->tpl('template1.tpl', 'Template 1 a');
        $this->tpl('template2.tpl', 'Template 2 b');
        $this->assertSame("Template 1 a", $this->fenom->fetch('template1.tpl', $a));
        $this->assertSame("Template 2 b", $this->fenom->fetch('template2.tpl', $a));
        $this->assertInstanceOf('Fenom\Render', $this->fenom->getTemplate('template1.tpl'));
        $this->assertInstanceOf('Fenom\Render', $this->fenom->getTemplate('template2.tpl'));
        $this->assertSame(3, iterator_count(new FilesystemIterator(FENOM_RESOURCES . '/compile')));
    }

    public function testStorage()
    {
        $this->tpl('custom.tpl', 'Custom template');
        $this->assertSame("Custom template", $this->fenom->fetch('custom.tpl', array()));
        $this->tpl('custom.tpl', 'Custom template 2');
        $this->assertSame("Custom template", $this->fenom->fetch('custom.tpl', array()));
    }

    /**
     * @group testCheckMTime
     */
    public function testCheckMTime()
    {
        $this->fenom->setOptions(Fenom::FORCE_COMPILE);
        $this->tpl('custom.tpl', 'Custom template');
        $this->assertSame("Custom template", $this->fenom->fetch('custom.tpl', array()));
        $tpl = $this->fenom->getTemplate('custom.tpl');
        $this->assertTrue($tpl->isValid());
        usleep(1.5e6);
        $this->tpl('custom.tpl', 'Custom template (new)');
        $this->assertFalse($tpl->isValid());
        $this->assertSame("Custom template (new)", $this->fenom->fetch('custom.tpl', array()));
    }

    public function testForceCompile()
    {
        $this->fenom->setOptions(Fenom::FORCE_COMPILE);
        $this->tpl('custom.tpl', 'Custom template');
        $this->assertSame("Custom template", $this->fenom->fetch('custom.tpl', array()));
        $this->tpl('custom.tpl', 'Custom template (new)');
        $this->assertSame("Custom template (new)", $this->fenom->fetch('custom.tpl', array()));
    }

    public function testSetModifier()
    {
        $this->fenom->addModifier("mymod", "myMod");
        $this->tpl('custom.tpl', 'Custom modifier {$a|mymod}');
        $this->assertSame("Custom modifier (myMod)Custom(/myMod)", $this->fenom->fetch('custom.tpl', array("a" => "Custom")));
    }

    /**
     * @group add_functions
     */
    public function testSetFunctions()
    {
        $this->fenom->setOptions(Fenom::FORCE_COMPILE);
        $this->fenom->addFunction("myfunc", "myFunc");
        $this->fenom->addBlockFunction("myblockfunc", "myBlockFunc");
        $this->tpl('custom.tpl', 'Custom function {myfunc name="foo"}');
        $this->assertSame("Custom function MyFunc:foo", $this->fenom->fetch('custom.tpl', array()));
        $this->tpl('custom.tpl', 'Custom function {myblockfunc name="foo"} this block1 {/myblockfunc}');
        $this->assertSame("Custom function Block:foo:this block1:Block", $this->fenom->fetch('custom.tpl', array()));
    }

    public function testSetCompilers()
    {
        $this->fenom->setOptions(Fenom::FORCE_COMPILE);
        $this->fenom->addCompiler("mycompiler", 'myCompiler');
        $this->fenom->addBlockCompiler("myblockcompiler", 'myBlockCompilerOpen', 'myBlockCompilerClose', array(
            'tag' => 'myBlockCompilerTag'
        ));
        $this->tpl('custom.tpl', 'Custom compiler {mycompiler name="bar"}');
        $this->assertSame("Custom compiler PHP_VERSION: " . PHP_VERSION . " (for bar)", $this->fenom->fetch('custom.tpl', array()));
        $this->tpl('custom.tpl', 'Custom compiler {myblockcompiler name="bar"} block1 {tag name="baz"} block2 {/myblockcompiler}');
        $this->assertSame("Custom compiler PHP_VERSION: " . PHP_VERSION . " (for bar) block1 Tag baz of compiler block2 End of compiler", $this->fenom->fetch('custom.tpl', array()));
    }

    /**
     * @dataProvider providerOptions
     */
    public function testOptions($code, $option)
    {
        static $options = array();
        static $flags = 0;
        $options[$code] = true;
        $flags |= $option;

        $this->fenom->setOptions($options);
        $this->assertSame($this->fenom->getOptions(), $flags);
        $this->fenom->setOptions(array($code => false));
        $this->assertSame($this->fenom->getOptions(), $flags & ~$option);
    }

    public function testFilter()
    {
        $punit = $this;
        $this->fenom->addPreFilter(function ($src, $tpl) use ($punit) {
            $punit->assertInstanceOf('Fenom\Template', $tpl);
            return "== $src ==";
        });

        $this->fenom->addPostFilter(function ($code, $tpl) use ($punit) {
            $punit->assertInstanceOf('Fenom\Template', $tpl);
            return "+++ $code +++";
        });

        $this->fenom->addFilter(function ($text, $tpl) use ($punit) {
            $punit->assertInstanceOf('Fenom\Template', $tpl);
            return "|--- $text ---|";
        });

        $this->assertSame('+++ |--- == hello  ---||---  world == ---| +++', $this->fenom->compileCode('hello {var $user} misterio {/var} world')->fetch(array()));
        $this->assertSame('+++ |--- == hello  ---||---  world == ---| +++', $this->fenom->compileCode('hello {var $user} <?php  misterio ?> {/var} world')->fetch(array()));
    }

    /**
     * @group tag-filter
     */
    public function testTagFilter() {
        $tags = array();
        $punit = $this;
        $this->fenom->addTagFilter(function ($text, $tpl) use (&$tags, $punit) {
            $punit->assertInstanceOf('Fenom\Template', $tpl);
            $tags[] = $text;
            return $text;
        });

        $this->fenom->compileCode('hello {var $a} misterio {/var} world, {$b}!');

        $this->assertSame(array('var $a', '/var', '$b'), $tags);
    }

    public function testAddInlineCompilerSmart() {
        $this->fenom->addCompilerSmart('SayA','TestTags');
        $this->tpl('inline_compiler.tpl', 'I just {SayA}.');
        $this->assertSame('I just Say A.', $this->fenom->fetch('inline_compiler.tpl', array()));
    }

    public function testAddBlockCompilerSmart() {
        $this->fenom->addBlockCompilerSmart('SayBlock', 'TestTags', array('SaySomething'), array('SaySomething'));
        $this->tpl('block_compiler.tpl', '{SayBlock} and {SaySomething}. It is all, {/SayBlock}');
        $this->assertSame('Start saying and say blah-blah-blah. It is all, Stop saying',
            $this->fenom->fetch('block_compiler.tpl', array()));
    }

    public function testAddFunctions() {
        $this->fenom->setOptions(Fenom::DENY_NATIVE_FUNCS);
        $this->assertFalse($this->fenom->isAllowedFunction('substr'));
        $this->fenom->addAllowedFunctions(array('substr'));
        $this->assertTrue($this->fenom->isAllowedFunction('substr'));
    }
}


class TestTags {

    public static function tagSayA() {
        return 'echo "Say A"';
    }

    public static function SayBlockOpen() {
        return 'echo "Start saying"';
    }

    public static function tagSaySomething() {
        return 'echo "say blah-blah-blah"';
    }

    public static function SayBlockClose() {
        return 'echo "Stop saying"';
    }
}