<?php

declare(strict_types=1);

require_once dirname(__DIR__, 2) . '/feca_mailshots_plugin/src/autoload.php';
require_once __DIR__ . '/FakeMetadataProvider.php';

use FecaMailshots\Application\DslCompiler;
use FecaMailshots\Application\DslValidator;
use FecaMailshots\Domain\DslParser;
use FecaMailshots\Tests\Unit\FakeMetadataProvider;

$metadata = new FakeMetadataProvider([
    'contacts' => ['ID', 'Accountid', 'Last', 'Email', 'FENContact1'],
    'accounts' => ['ID', 'Name', 'Type'],
    'renewals' => ['id', 'account_id', 'status', 'selected'],
    'members.ExcludedAccounts' => ['ExcludedAccount'],
]);

$parser = new DslParser();
$validator = new DslValidator($metadata);
$compiler = new DslCompiler($metadata);

$cases = [
    [
        'dsl' => "contacts and accounts where contacts.Last contains 'smith' and contacts.Accountid = accounts.ID",
        'expectValid' => true,
    ],
    [
        'dsl' => 'accounts where pending-renewal',
        'expectValid' => false,
    ],
    [
        'dsl' => 'contacts and members.ExcludedAccounts',
        'expectValid' => false,
    ],
];

$failures = [];

foreach ($cases as $case) {
    $ast = $parser->parse($case['dsl']);
    $validation = $validator->validate($ast);
    $isValid = $validation['errors'] === [];

    if ($isValid !== $case['expectValid']) {
        $failures[] = ['dsl' => $case['dsl'], 'errors' => $validation['errors']];
        continue;
    }

    if ($isValid) {
        $compiled = $compiler->compile($ast);
        if (strpos($compiled['sql'], 'SELECT ') !== 0) {
            $failures[] = ['dsl' => $case['dsl'], 'errors' => ['Compilation did not produce SELECT']];
        }
    }
}

if ($failures !== []) {
    fwrite(STDERR, "DSL pipeline test failures:\n" . json_encode($failures, JSON_PRETTY_PRINT) . "\n");
    exit(1);
}

echo "DSL pipeline tests passed\n";