<?php

namespace App\Services;

use App\Models\User;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use stdClass;

class PartnershipDraftSaves
{
    public function replay(User $actor, stdClass $record, ?string $key, string $hash): ?stdClass
    {
        if ($key === null) {
            return null;
        }
        // The caller holds the partnership lock and has checked its current write authority.
        $event = DB::table('partnership_events')->where('partnership_id', $record->id)->where('actor_id', $actor->id)->where('event_type', 'partnership_opportunity.changed.v1')->whereRaw("payload->'payload'->>'operation_key' = ?", [$key])->selectRaw("payload->'payload'->>'operation_hash' AS hash, payload->'payload'->'result_version' AS version")->first();
        if (! $event) {
            return null;
        }
        abort_unless($event->hash === $hash, 409, 'Chave de gravação já utilizada com outro conteúdo.');
        $version = is_string($event->version) ? json_decode($event->version, true, 512, JSON_THROW_ON_ERROR) : $event->version;
        abort_unless(is_int($version) && $version > 0, 409, 'A versão da gravação anterior não foi identificada.');
        $record->command_replayed = true;
        $record->command_saved_version = $version;

        return $record;
    }

    /** @return list<array{key:string,version:int}> */
    public function commands(User $actor, stdClass $record): array
    {
        abort_unless(app(PartnershipExchange::class)->owns($actor, $record), 403);
        $events = DB::table('partnership_events')->where('partnership_id', $record->id)->where('actor_id', $actor->id)->where('event_type', 'partnership_opportunity.changed.v1')->whereRaw("payload->'payload'->>'operation_key' IS NOT NULL")->orderBy('aggregate_version')->selectRaw("payload->'payload'->>'operation_key' AS key, payload->'payload'->'result_version' AS version")->get();
        $commands = [];
        foreach ($events as $event) {
            $version = is_string($event->version) ? json_decode($event->version, true, 512, JSON_THROW_ON_ERROR) : $event->version;
            if (is_string($event->key) && Str::isUuid($event->key) && is_int($version) && $version > 0) {
                $commands[] = ['key' => $event->key, 'version' => $version];
            }
        }

        return $commands;
    }
}