<?php

namespace app\common\library;

use think\Db;
use think\Log;

/**
 * 协助采购操作日志（下发 / 确认供应商 / 审核确认供应商 等追溯）
 */
class ProcuremenOperLog
{
    /**
     * @param array{0:int,1:string} $admin [id, name]
     */
    public static function write(int $scydgyId, string $action, string $content, ?int $purchaseOrderId, array $admin): void
    {
        if (!ProcuremenGuard::isValidScydgyId($scydgyId) || $content === '') {
            return;
        }
        $adminId = (int)($admin[0] ?? 0);
        $adminName = self::cut((string)($admin[1] ?? '未知用户'), 64);
        try {
            Db::table('purchase_order_oper_log')->insert([
                'scydgy_id'         => $scydgyId,
                'purchase_order_id' => $purchaseOrderId,
                'admin_id'          => $adminId,
                'admin_name'        => $adminName,
                'action'            => self::cut($action, 64),
                'content'           => self::cut($content, 1000),
                'createtime'        => ProcuremenTime::nowDateTime(),
            ]);
        } catch (\Throwable $e) {
            Log::write('procuremen oper log: ' . $e->getMessage(), 'error');
        }
    }

    /**
     * @param string|array<int, string> $actions
     */
    public static function resolveLatestTime(int $scydgyId, $actions): string
    {
        if (!ProcuremenGuard::isValidScydgyId($scydgyId)) {
            return '';
        }
        $acts = is_array($actions) ? $actions : [$actions];
        $acts = array_values(array_filter(array_map('strval', $acts)));
        if ($acts === []) {
            return '';
        }
        try {
            $log = Db::table('purchase_order_oper_log')
                ->where('scydgy_id', $scydgyId)
                ->where('action', 'in', $acts)
                ->order('id', 'desc')
                ->find();
            if (is_array($log)) {
                $text = ProcuremenTime::formatDisplayDateTime($log['createtime'] ?? null);
                if ($text !== '') {
                    return $text;
                }
            }
        } catch (\Throwable $e) {
        }

        return '';
    }

    public static function resolveMarkCompleteTime(int $scydgyId): string
    {
        return self::resolveLatestTime($scydgyId, 'mark_complete');
    }

    /**
     * @param array<int, array<string, mixed>> $logs
     * @return array<int, array<string, mixed>>
     */
    public static function formatLogRowsForDisplay(array $logs): array
    {
        foreach ($logs as &$lg) {
            if (!is_array($lg)) {
                continue;
            }
            $lg['createtime_text'] = ProcuremenTime::formatDisplayDateTime($lg['createtime'] ?? null);
            $lg['content'] = ProcuremenTime::formatOperLogContent(
                (string)($lg['content'] ?? ''),
                (string)($lg['action'] ?? '')
            );
        }
        unset($lg);

        return $logs;
    }

    private static function cut(string $s, int $max): string
    {
        if (function_exists('mb_substr')) {
            return mb_substr($s, 0, $max, 'UTF-8');
        }

        return strlen($s) <= $max ? $s : substr($s, 0, $max);
    }
}