<?php

namespace app\common\library;

use think\Db;

/**
 * 协助采购全流程：订单存在性、软删、流程阶段校验
 */
class ProcuremenGuard
{
    public static function isValidScydgyId(int $id): bool
    {
        return $id !== 0;
    }

    public static function assertValidScydgyId(int $id, string $message = '工序数据无效'): void
    {
        if (!self::isValidScydgyId($id)) {
            throw new \InvalidArgumentException($message);
        }
    }

    public static function isSoftDeletedRow(array $row): bool
    {
        $mod = trim((string)($row['mod_rq'] ?? ''));

        return $mod !== '' && stripos($mod, '0000-00-00') !== 0;
    }

    public static function assertNotSoftDeleted(array $row, string $message = '该工序已删除或不可用'): void
    {
        if (self::isSoftDeletedRow($row)) {
            throw new \InvalidArgumentException($message);
        }
    }

    /**
     * @return array<string, mixed>
     */
    public static function loadPurchaseOrderOrFail(int $scydgyId, string $message = '未找到订单'): array
    {
        self::assertValidScydgyId($scydgyId, $message);
        try {
            $row = Db::table('purchase_order')->where('scydgy_id', $scydgyId)->find();
        } catch (\Throwable $e) {
            $row = null;
        }
        if (!is_array($row)) {
            throw new \InvalidArgumentException($message);
        }
        self::assertNotSoftDeleted($row, $message);

        return $row;
    }

    public static function assertWflowPendingConfirm(array $po, string $message = '该订单不在待确认供应商状态'): void
    {
        if (!ProcuremenStatus::isWflowPendingConfirm($po['wflow_status'] ?? '')) {
            throw new \InvalidArgumentException($message);
        }
    }

    public static function assertWflowPendingApproval(array $po, string $message = '该订单不在待审批状态'): void
    {
        if (!ProcuremenStatus::isWflowPendingApproval($po['wflow_status'] ?? '')) {
            throw new \InvalidArgumentException($message);
        }
    }

    public static function assertNotCompleted(array $po, string $message = '订单已完结，无法重复操作'): void
    {
        if (ProcuremenStatus::isPoCompleted($po['status'] ?? '')) {
            throw new \InvalidArgumentException($message);
        }
    }

    /**
     * @param int[] $detailIds
     */
    public static function assertDetailIdsBelongToOrder(int $scydgyId, array $detailIds, string $message = '下发明细与订单不匹配'): void
    {
        $detailIds = array_values(array_unique(array_filter(array_map('intval', $detailIds))));
        if ($detailIds === []) {
            throw new \InvalidArgumentException('请选择供应商明细');
        }
        try {
            $cnt = (int)Db::table('purchase_order_detail')
                ->where('scydgy_id', $scydgyId)
                ->where('id', 'in', $detailIds)
                ->count();
        } catch (\Throwable $e) {
            $cnt = 0;
        }
        if ($cnt !== count($detailIds)) {
            throw new \InvalidArgumentException($message);
        }
    }
}