<?php

declare(strict_types=1);

namespace FecaMailshots\Tests\Unit;

use FecaMailshots\Application\SourceMetadataProvider;

final class FakeMetadataProvider implements SourceMetadataProvider
{
    /** @var array<string, list<string>> */
    private array $fields;

    /** @param array<string, list<string>> $fields */
    public function __construct(array $fields)
    {
        $this->fields = $fields;
    }

    public function sourceExists(string $source): bool
    {
        return isset($this->fields[$source]);
    }

    public function sourceFields(string $source): array
    {
        return $this->fields[$source] ?? [];
    }

    public function hasEmailField(string $source): bool
    {
        return in_array('Email', $this->fields[$source] ?? [], true) || in_array('email', $this->fields[$source] ?? [], true);
    }

    public function joinPath(string $left, string $right): ?array
    {
        $pairs = [
            'contacts|accounts' => ['left' => 'contacts.Accountid', 'right' => 'accounts.ID'],
            'accounts|contacts' => ['left' => 'accounts.ID', 'right' => 'contacts.Accountid'],
            'renewals|accounts' => ['left' => 'renewals.account_id', 'right' => 'accounts.ID'],
            'accounts|renewals' => ['left' => 'accounts.ID', 'right' => 'renewals.account_id'],
            'renewals|contacts' => ['left' => 'renewals.account_id', 'right' => 'contacts.Accountid'],
            'contacts|renewals' => ['left' => 'contacts.Accountid', 'right' => 'renewals.account_id'],
        ];
        return $pairs[$left . '|' . $right] ?? null;
    }

    public function allKnownSources(): array
    {
        return array_keys($this->fields);
    }
}
