<?php


namespace WP_CLI\I18n\Tests;

use WP_CLI\I18n\MakeJsonCommand;
use WP_CLI\Tests\TestCase;
use WP_CLI\Utils;

class MakeJsonMapTest extends TestCase {
    /** @var string A path files are located */
    private static $base;
    /** @var \ReflectionMethod build_map reflection (private) */
    private static $build_map = null;
    /** @var MakeJsonCommand instance */
    private static $obj = null;

    public function set_up() {
        parent::set_up();

        /**
         * PHP5.4 cannot set property with __DIR__ constant.
         * Shamelessly stolen from @see IterableCodeExtractorTest.php
         */
        self::$base = Utils\normalize_path( __DIR__ ) . '/data/';

        self::$obj       = new MakeJsonCommand();
        $reflection      = new \ReflectionClass( get_class( self::$obj ) );
        self::$build_map = $reflection->getMethod( 'build_map' );
        self::$build_map->setAccessible( true );
    }

    public function test_no_map() {
        $result   = self::$build_map->invoke( self::$obj, false );
        $expected = null;
        $this->assertEquals( $expected, $result );
    }

    public function test_invalid_map() {
        $maps     = self::$base . 'maps/invalid.json';
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [];
        $this->assertEquals( $expected, $result );
    }

    public function test_basic_map() {
        $maps     = self::$base . 'maps/basic.json';
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js'   => [ 'dist/index.js' ],
            'src/include.js' => [ 'dist/index.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_mixed_map() {
        $maps     = self::$base . 'maps/mixed.json';
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js' => [ 'dist/index.js' ],
            'src/other.js' => [ 'dist/index.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_other_map() {
        $maps     = self::$base . 'maps/other.json';
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js'   => [ 'dist/index.js' ],
            'src/include.js' => [ 'dist/index.js', 'dist/other.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_invalid_values_map() {
        $maps     = self::$base . 'maps/invalid_values.json';
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js' => null,
            'src/other.js' => null,
            'src/valid.js' => [ 'string' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_merge_map() {
        $maps     = [ self::$base . 'maps/basic.json', self::$base . 'maps/mixed.json' ];
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            // double is expected because it's in both files. no use bothering to remove it, that's done in make_json anyways
            'src/index.js'   => [ 'dist/index.js', 'dist/index.js' ],
            'src/other.js'   => [ 'dist/index.js' ],
            'src/include.js' => [ 'dist/index.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_merge_same_map() {
        $maps     = [ self::$base . 'maps/basic.json', self::$base . 'maps/mixed.json', self::$base . 'maps/other.json' ];
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js'   => [ 'dist/index.js', 'dist/index.js', 'dist/index.js' ],
            'src/other.js'   => [ 'dist/index.js' ],
            'src/include.js' => [ 'dist/index.js', 'dist/index.js', 'dist/other.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }

    public function test_merge_invalid_values_map() {
        // merge both ways
        $maps     = [ self::$base . 'maps/basic.json', self::$base . 'maps/invalid_values.json' ];
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js'   => [ 'dist/index.js', null ],
            'src/other.js'   => null,
            'src/valid.js'   => [ 'string' ],
            'src/include.js' => [ 'dist/index.js' ],
        ];
        $this->assertEquals( $expected, $result );

        $maps     = [ self::$base . 'maps/invalid_values.json', self::$base . 'maps/basic.json' ];
        $result   = self::$build_map->invoke( self::$obj, $maps );
        $expected = [
            'src/index.js'   => [ null, 'dist/index.js' ],
            'src/other.js'   => null,
            'src/valid.js'   => [ 'string' ],
            'src/include.js' => [ 'dist/index.js' ],
        ];
        $this->assertEquals( $expected, $result );
    }
}