<?php

namespace App\Console\Commands;

use App\Models\Venue;
use App\Support\HtmlToPlainText;
use Illuminate\Console\Command;

/**
 * 历史数据中「预约方式」曾用富文本，现改为单行 input 后需去掉 HTML 标签。
 * 先执行: php artisan venue:strip-booking-method-html --dry-run
 */
class StripVenueBookingMethodHtmlCommand extends Command
{
    protected $signature = 'venue:strip-booking-method-html
        {--dry-run : 只列出将更新的场馆 ID，不写库}
        {--with-snapshot : 同时清理 last_approved_snapshot 内 booking_method}';

    protected $description = '批量将 venues.booking_method 从 HTML 转为纯文本（单行）';

    public function handle(): int
    {
        $dry = (bool) $this->option('dry-run');
        $withSnapshot = (bool) $this->option('with-snapshot');

        $n = 0;
        Venue::query()->orderBy('id')->chunkById(100, function ($venues) use ($dry, $withSnapshot, &$n) {
            foreach ($venues as $venue) {
                if ($this->processVenue($venue, $dry, $withSnapshot)) {
                    $n++;
                }
            }
        });

        if ($dry) {
            $this->info("（dry-run）将更新 {$n} 条记录，未写入数据库。去掉 --dry-run 后执行写入。");
        } else {
            $this->info("已更新 {$n} 条记录。");
        }

        return self::SUCCESS;
    }

    private function processVenue(Venue $venue, bool $dry, bool $withSnapshot): bool
    {
        $newMethod = HtmlToPlainText::toSingleLine($venue->booking_method);
        $methodChanged = (string) ($venue->booking_method ?? '') !== (string) ($newMethod ?? '');

        $snapChanged = false;
        $newSnapMethod = null;
        if ($withSnapshot && is_array($venue->last_approved_snapshot) && array_key_exists('booking_method', $venue->last_approved_snapshot)) {
            $raw = $venue->last_approved_snapshot['booking_method'];
            if (is_string($raw) || $raw === null) {
                $newSnapMethod = HtmlToPlainText::toSingleLine($raw);
                $snapChanged = (string) ($raw ?? '') !== (string) ($newSnapMethod ?? '');
            }
        }

        if (! $methodChanged && ! $snapChanged) {
            return false;
        }

        if ($methodChanged) {
            $this->line("venue_id={$venue->id} booking_method: 去除 HTML/实体");
        }
        if ($snapChanged) {
            $this->line("venue_id={$venue->id} last_approved_snapshot.booking_method: 去除 HTML/实体");
        }

        if ($dry) {
            return true;
        }

        if ($methodChanged) {
            $venue->booking_method = $newMethod;
        }
        if ($snapChanged) {
            $snap = $venue->last_approved_snapshot;
            $snap['booking_method'] = $newSnapMethod;
            $venue->last_approved_snapshot = $snap;
        }
        $venue->save();

        return true;
    }
}