#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 59;
use Test::Fatal;

use MooseX::Declare;

class Point {
    has 'x' => (isa => 'Int', is => 'rw', required => 1);
    has 'y' => (isa => 'Int', is => 'rw', required => 1);

    method clear {
        $self->x(0);
        $self->y(0);
    }
}

class Point3D extends Point {
    has 'z' => (isa => 'Int', is => 'rw', required => 1);

    after clear {
        $self->z(0);
    }
}

my $point = Point->new(x => 1, y => 2);
isa_ok($point, 'Point');
isa_ok($point, 'Moose::Object');

is($point->x, 1, '... got the right value for x');
is($point->y, 2, '... got the right value for y');

$point->y(10);
is($point->y, 10, '... got the right (changed) value for y');

isnt( exception {
    $point->y('Foo');
}, undef, '... cannot assign a non-Int to y');

isnt( exception {
    Point->new();
}, undef, '... must provide required attributes to new');

$point->clear();

is($point->x, 0, '... got the right (cleared) value for x');
is($point->y, 0, '... got the right (cleared) value for y');

# check the type constraints on the constructor

is( exception {
    Point->new(x => 0, y => 0);
}, undef, '... can assign a 0 to x and y');

isnt( exception {
    Point->new(x => 10, y => 'Foo');
}, undef, '... cannot assign a non-Int to y');

isnt( exception {
    Point->new(x => 'Foo', y => 10);
}, undef, '... cannot assign a non-Int to x');

# Point3D

my $point3d = Point3D->new({ x => 10, y => 15, z => 3 });
isa_ok($point3d, 'Point3D');
isa_ok($point3d, 'Point');
isa_ok($point3d, 'Moose::Object');

is($point3d->x, 10, '... got the right value for x');
is($point3d->y, 15, '... got the right value for y');
is($point3d->{'z'}, 3, '... got the right value for z');

$point3d->clear();

is($point3d->x, 0, '... got the right (cleared) value for x');
is($point3d->y, 0, '... got the right (cleared) value for y');
is($point3d->z, 0, '... got the right (cleared) value for z');

isnt( exception {
    Point3D->new(x => 10, y => 'Foo', z => 3);
}, undef, '... cannot assign a non-Int to y');

isnt( exception {
    Point3D->new(x => 'Foo', y => 10, z => 3);
}, undef, '... cannot assign a non-Int to x');

isnt( exception {
    Point3D->new(x => 0, y => 10, z => 'Bar');
}, undef, '... cannot assign a non-Int to z');

isnt( exception {
    Point3D->new(x => 10, y => 3);
}, undef, '... z is a required attribute for Point3D');

# test some class introspection

can_ok('Point', 'meta');
isa_ok(Point->meta, 'Moose::Meta::Class');

can_ok('Point3D', 'meta');
isa_ok(Point3D->meta, 'Moose::Meta::Class');

isnt(Point->meta, Point3D->meta, '... they are different metaclasses as well');

# poke at Point

is_deeply(
    [ Point->meta->superclasses ],
    [ 'Moose::Object' ],
    '... Point got the automagic base class');

my @Point_methods = qw(meta new x y clear DESTROY);
my @Point_attrs   = ('x', 'y');

is_deeply(
    [ sort Point->meta->get_method_list() ],
    [ sort @Point_methods                 ],
    '... we match the method list for Point');

is_deeply(
    [ sort Point->meta->get_attribute_list() ],
    [ sort @Point_attrs                      ],
    '... we match the attribute list for Point');

foreach my $method (@Point_methods) {
    ok(Point->meta->has_method($method), '... Point has the method "' . $method . '"');
}

foreach my $attr_name (@Point_attrs ) {
    ok(Point->meta->has_attribute($attr_name), '... Point has the attribute "' . $attr_name . '"');
    my $attr = Point->meta->get_attribute($attr_name);
    ok($attr->has_type_constraint, '... Attribute ' . $attr_name . ' has a type constraint');
    isa_ok($attr->type_constraint, 'Moose::Meta::TypeConstraint');
    is($attr->type_constraint->name, 'Int', '... Attribute ' . $attr_name . ' has an Int type constraint');
}

# poke at Point3D

is_deeply(
    [ Point3D->meta->superclasses ],
    [ 'Point' ],
    '... Point3D gets the parent given to it');

my @Point3D_methods = qw(new meta z clear DESTROY);
my @Point3D_attrs   = ('z');

is_deeply(
    [ sort Point3D->meta->get_method_list() ],
    [ sort @Point3D_methods                 ],
    '... we match the method list for Point3D');

is_deeply(
    [ sort Point3D->meta->get_attribute_list() ],
    [ sort @Point3D_attrs                      ],
    '... we match the attribute list for Point3D');

foreach my $method (@Point3D_methods) {
    ok(Point3D->meta->has_method($method), '... Point3D has the method "' . $method . '"');
}

foreach my $attr_name (@Point3D_attrs ) {
    ok(Point3D->meta->has_attribute($attr_name), '... Point3D has the attribute "' . $attr_name . '"');
    my $attr = Point3D->meta->get_attribute($attr_name);
    ok($attr->has_type_constraint, '... Attribute ' . $attr_name . ' has a type constraint');
    isa_ok($attr->type_constraint, 'Moose::Meta::TypeConstraint');
    is($attr->type_constraint->name, 'Int', '... Attribute ' . $attr_name . ' has an Int type constraint');
}
