<?php

namespace spec\Akeneo\Tool\Component\Api\Pagination;

use PhpSpec\ObjectBehavior;
use Akeneo\Tool\Component\Api\Exception\PaginationParametersException;
use Akeneo\Tool\Component\Api\Pagination\PaginationParametersValidator;
use Akeneo\Tool\Component\Api\Pagination\ParameterValidatorInterface;

class PaginationParametersValidatorSpec extends ObjectBehavior
{
    function let()
    {
        $this->beConstructedWith(['pagination' => ['limit_max' => 100]]);
    }

    function it_is_initializable()
    {
        $this->shouldHaveType(PaginationParametersValidator::class);
    }

    function it_is_a_parameter_validator()
    {
        $this->shouldImplement(ParameterValidatorInterface::class);
    }

    function it_validates_offset_pagination_by_default()
    {
        $parameters = [
            'page'  => '1.1',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"1.1" is not a valid page number.'))
            ->duringValidate($parameters);
    }

    function it_validates_limit_with_search_after_pagination()
    {
        $parameters = [
            'limit'  => '1.1',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"1.1" is not a valid limit number.'))
            ->duringValidate($parameters);
    }

    function it_validates_with_count_with_boolean_string_values()
    {
        $this->validate(['with_count' => 'true']);
        $this->validate(['with_count' => 'false']);
    }

    function it_ignores_with_count_with_search_after_pagination()
    {
        $this->validate(['with_count' => '1', 'pagination_type' => 'search_after'], ['support_search_after' => true]);
        $this->validate(['with_count' => '0', 'pagination_type' => 'search_after'], ['support_search_after' => true]);
    }

    function it_validates_integer_values_with_offset_pagination()
    {
        $parameters = [
            'page'            => 1,
            'limit'           => 10,
            'pagination_type' => 'page',
        ];

        $this->validate($parameters);
    }

    function it_validates_integer_as_string_values_with_offset_pagination()
    {
        $parameters = [
            'page'            => '1',
            'limit'           => '10',
            'pagination_type' => 'page',
        ];

        $this->validate($parameters);
    }

    function it_does_not_validates_float_page_values_with_offset_pagination()
    {
        $parameters = [
            'page'            => '1.1',
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"1.1" is not a valid page number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validate_string_page_value_with_offset_pagination()
    {
        $parameters = [
            'page'            => 'string',
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"string" is not a valid page number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validate_negative_page_number_with_offset_pagination()
    {
        $parameters = [
            'page'            => -5,
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"-5" is not a valid page number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validates_float_limit_values_with_offset_pagination()
    {
        $parameters = [
            'limit'           => '1.1',
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"1.1" is not a valid limit number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validate_string_limit_value_with_offset_pagination()
    {
        $parameters = [
            'limit'           => 'string',
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"string" is not a valid limit number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validate_negative_limit_number_with_offset_pagination()
    {
        $parameters = [
            'limit'           => -5,
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('"-5" is not a valid limit number.'))
            ->duringValidate($parameters);
    }

    function it_does_not_validate_limit_exceeding_maximum_limit_value_with_offset_pagination()
    {
        $parameters = [
            'limit'           => 200,
            'pagination_type' => 'page',
        ];

        $this
            ->shouldThrow(new PaginationParametersException('You cannot request more than 100 items.'))
            ->duringValidate($parameters);
    }

    function it_throws_an_exception_when_unknown_pagination_type()
    {
        $this
            ->shouldThrow(new PaginationParametersException('Pagination type does not exist.'))
            ->duringValidate(['pagination_type' => 'unknown']);
    }

    function it_throws_an_exception_when_search_after_pagination_not_supported()
    {
        $this ->shouldThrow(new PaginationParametersException('Pagination type does not exist.'))
            ->duringValidate(['pagination_type' => 'unknown']);

        $this ->shouldThrow(new PaginationParametersException('Pagination type does not exist.'))
            ->duringValidate(['pagination_type' => 'unknown'], ['support_search_after' => false]);
    }

    function it_throws_an_exception_when_parameter_with_count_is_not_a_boolean()
    {
        $this ->shouldThrow(
            new PaginationParametersException(
                'Parameter "with_count" has to be a boolean. Only "true" or "false" allowed, "1" given.'
            ))
            ->duringValidate(['with_count' => '1']);

        $this ->shouldThrow(
        new PaginationParametersException(
            'Parameter "with_count" has to be a boolean. Only "true" or "false" allowed, "0" given.'
        ))
            ->duringValidate(['with_count' => '0']);
    }
}