#!/usr/bin/env perl6
use v6;
use Test;
use lib my $dir = $?FILE.IO.dirname;
use JSON::Tiny;

my $exercise = 'Scrabble';
my $version = v1;
my $module = %*ENV<EXERCISM> ?? 'Example' !! $exercise;
plan 14;

use-ok $module or bail-out;
require ::($module);

if ::($exercise).^ver !~~ $version {
  warn "\nExercise version mismatch. Further tests may fail!"
    ~ "\n$exercise is $(::($exercise).^ver.gist). "
    ~ "Test is $($version.gist).\n";
  bail-out 'Example version must match test version.' if %*ENV<EXERCISM>;
}

my @subs;
BEGIN { @subs = <&score> };
subtest 'Subroutine(s)', {
  plan 1;
  eval-lives-ok "use $module; ::('$_').defined or die '$_ is not defined.'", $_ for @subs;
} or bail-out 'All subroutines must be defined and exported.';
require ::($module) @subs.eager;

is .<input>.&score, |.<expected description> for @(my $c-data.<cases>);

if %*ENV<EXERCISM> && (my $c-data-file = "$dir/../../x-common/exercises/{$dir.IO.basename}/canonical-data.json".IO.resolve) ~~ :f {
  is-deeply $c-data, from-json($c-data-file.slurp), 'canonical-data'
} else { skip }

done-testing;

INIT {
  $c-data := from-json ｢
    {
      "exercise": "scrabble-score",
      "version": "1.0.0",
      "cases": [
        {
          "description": "lowercase letter",
          "property": "score",
          "input": "a",
          "expected": 1
        },
        {
          "description": "uppercase letter",
          "property": "score",
          "input": "A",
          "expected": 1
        },
        {
          "description": "valuable letter",
          "property": "score",
          "input": "f",
          "expected": 4
        },
        {
          "description": "short word",
          "property": "score",
          "input": "at",
          "expected": 2
        },
        {
          "description": "short, valuable word",
          "property": "score",
          "input": "zoo",
          "expected": 12
        },
        {
          "description": "medium word",
          "property": "score",
          "input": "street",
          "expected": 6
        },
        {
          "description": "medium, valuable word",
          "property": "score",
          "input": "quirky",
          "expected": 22
        },
        {
          "description": "long, mixed-case word",
          "property": "score",
          "input": "OxyphenButazone",
          "expected": 41
        },
        {
          "description": "english-like word",
          "property": "score",
          "input": "pinata",
          "expected": 8
        },
        {
          "description": "empty input",
          "property": "score",
          "input": "",
          "expected": 0
        },
        {
          "description": "entire alphabet available",
          "property": "score",
          "input": "abcdefghijklmnopqrstuvwxyz",
          "expected": 87
        }
      ]
    }
  ｣
}