use v6.e.PREVIEW;

use JSON::Class:auth<zef:vrurg>;

#| Shared post meta-data
unit role Post is json;

#| The location of the source file for the post
has
IO::Path:D $.source
           is required
           is json(
    :to-json(*.Str),
    :from-json(*.IO)
);
#| The time to display for the creation of the post
has
DateTime:D $.posted-at
           is required
           is json(
    :to-json(*.Str),
    :from-json(*.DateTime)
);
#| An optional list of edit times for the post
has
DateTime:D @.edited-at
           is json(
    :to-json(
        value => { $^value.Str }
    ),
    :from-json(
        value => { $^value.DateTime }
    )
)
= [];
#| An optional list of extra slugs to use for this post
has Str:D @.slugs is json = [];
#| Should the post be hidden from the main list
has Bool:D $.hidden is json is rw = False;

#| Get the title for this post, intended to be extracted from whatever
#| document produced it
method title(--> Str:D) {...}

#| Get the list of slugs for this post, including ones auto generated from
#| the title, as well as any additional slugs
method all-slugs(--> Array[Str:D]) {
    my $long-title-slug = self.title.lc.subst: /\h*/, '-';
    return [$long-title-slug, @!slugs].flat.Array;
}