<?php
namespace App\Exports;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\AfterSheet;
use PhpOffice\PhpSpreadsheet\Cell\DataValidation;
class SupplyDemandImportTemplate extends SupplyDemandExport implements WithEvents
{
    public function registerEvents(): array {
        return [AfterSheet::class => function (AfterSheet $event) {
            $sheet=$event->sheet->getDelegate();$sheet->freezePane('A2');
            $sheet->getStyle('A1:J1')->getFont()->setBold(true);
            foreach (['A'=>14,'B'=>28,'C'=>60,'D'=>32,'E'=>16,'F'=>30,'G'=>20,'H'=>22,'I'=>24,'J'=>32] as $col=>$width) $sheet->getColumnDimension($col)->setWidth($width);
            $tips=['A'=>'必填：下拉选择供应、需求或投融资。','C'=>'必填：详细内容，不受200字限制，最多10000字。','D'=>'选填：多个标签使用“、”分隔，例如：新能源、新材料。','G'=>'必填：11位手机号，用于绑定学员；不公开。','H'=>'选填：到期日期格式为2027-01-31，到期当天仍有效；留空为长期有效。','I'=>'选填：微信号，不公开。','J'=>'选填：邮箱地址，不公开。'];
            foreach ($tips as $col=>$tip) $sheet->getComment($col.'1')->getText()->createTextRun($tip);
            for($row=2;$row<=1001;$row++) {
                $v=$sheet->getCell('A'.$row)->getDataValidation();
                $v->setType(DataValidation::TYPE_LIST)->setErrorStyle(DataValidation::STYLE_STOP)->setAllowBlank(false)->setShowDropDown(true)->setShowErrorMessage(true)->setErrorTitle('供需类型不正确')->setError('请选择供应、需求或投融资')->setFormula1('"供应,需求,投融资"');
                foreach(['D','H'] as $col) $sheet->getCell($col.$row)->getDataValidation()->setShowInputMessage(true)->setPromptTitle($col==='D'?'行业标签':'有效期')->setPrompt($tips[$col]);
            }
            $sheet->getStyle('G2:J1001')->getNumberFormat()->setFormatCode('@');
        }];
    }
}