<?php

namespace App\Console\Commands;

use App\Business\JstOrderLabelPlantingRules;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use PhpOffice\PhpSpreadsheet\IOFactory;
use Throwable;

/**
 * 导入「标签 | 是否种菜订单」映射表，供聚水潭订单标签明细的「是否种菜订单」列使用。
 */
class ImportJstOrderLabelPlantingRules extends Command
{
    protected $signature = 'jst-order-labels:import-planting-rules
        {path : xlsx/csv 文件}
        {--company= : 公司ID（默认使用当前公司或 1）}
        {--sheet=1 : 工作表序号（从 1 开始）或名称}
        {--replace : 先清空该公司已有映射再导入（默认按标签覆盖）}';

    protected $description = '导入聚水潭订单标签明细的「是否种菜订单」映射表';

    public function handle(JstOrderLabelPlantingRules $rules): int
    {
        $path = (string) $this->argument('path');
        if (! is_file($path)) {
            $this->error('文件不存在：' . $path);

            return self::FAILURE;
        }

        $companyId = (int) ($this->option('company') ?: (function_exists('company_id') && company_id() ? company_id() : 1));
        if ($companyId <= 0) {
            $this->error('公司ID无效，请用 --company 指定。');

            return self::FAILURE;
        }

        try {
            $rows = $this->readRows($path);
        } catch (Throwable $e) {
            $this->error('读取失败：' . $e->getMessage());

            return self::FAILURE;
        }

        if ($rows === []) {
            $this->error('没有解析到有效数据（需要表头：标签 / 是否种菜订单）。');

            return self::FAILURE;
        }

        $now = now();
        DB::transaction(function () use ($rows, $now, $companyId): void {
            if ($this->option('replace')) {
                DB::table('jst_order_label_planting_rules')->where('company_id', $companyId)->delete();
            }

            foreach (array_chunk($rows, 500) as $chunk) {
                DB::table('jst_order_label_planting_rules')->upsert(
                    array_map(static fn (array $row): array => $row + [
                        'company_id' => $companyId,
                        'created_at' => $now,
                        'updated_at' => $now,
                    ], $chunk),
                    ['company_id', 'label'],
                    ['is_planting', 'updated_at'],
                );
            }
        });

        $rules->forget($companyId);

        $planting = count(array_filter($rows, static fn (array $row): bool => $row['is_planting'] === '是'));

        $this->info(sprintf('已导入 %d 条「是否种菜订单」映射（公司 %d）：种菜 %d 条，非种菜 %d 条。', count($rows), $companyId, $planting, count($rows) - $planting));

        return self::SUCCESS;
    }

    /**
     * @return list<array{label:string,is_planting:string}>
     */
    private function readRows(string $path): array
    {
        $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
        $readerType = match ($extension) {
            'xlsx' => 'Xlsx',
            'xls' => 'Xls',
            'csv' => 'Csv',
            default => throw new \InvalidArgumentException('只支持 xlsx / xls / csv 文件。'),
        };

        $reader = IOFactory::createReader($readerType);
        $reader->setReadDataOnly(true);
        if ($readerType === 'Csv') {
            $reader->setInputEncoding('UTF-8');
        }

        $book = $reader->load($path);
        $sheetOption = trim((string) $this->option('sheet'));
        if ($sheetOption !== '' && ctype_digit($sheetOption)) {
            $index = (int) $sheetOption - 1;
            if ($index < 0 || $index >= $book->getSheetCount()) {
                throw new \InvalidArgumentException('工作表序号超出范围：' . $sheetOption);
            }
            $sheet = $book->getSheet($index);
        } else {
            $sheet = $sheetOption === '' ? $book->getActiveSheet() : $book->getSheetByName($sheetOption);
            if ($sheet === null) {
                throw new \InvalidArgumentException('找不到工作表：' . $sheetOption);
            }
        }

        $rows = [];
        $header = null;
        foreach ($sheet->getRowIterator() as $row) {
            $cells = [];
            $cellIterator = $row->getCellIterator();
            $cellIterator->setIterateOnlyExistingCells(false);
            foreach ($cellIterator as $cell) {
                $cells[] = trim((string) $cell->getValue());
            }

            if ($header === null) {
                $cells[0] = preg_replace('/^\xEF\xBB\xBF/', '', $cells[0] ?? '');
                $header = $cells;
                continue;
            }

            $label = trim($cells[0] ?? '');
            $flag = trim($cells[1] ?? '');
            if ($label === '') {
                continue;
            }

            $rows[] = [
                'label' => mb_substr($label, 0, 191),
                'is_planting' => in_array(mb_strtolower($flag), ['否', 'n', 'no', '0', 'false'], true) ? '否' : '是',
            ];
        }

        return $rows;
    }
}