<?php

namespace App\Http\Controllers\Business;

use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Validation\Rule as ValidationRule;
use Modules\EcommerceFinance\Services\SupplierBookkeepingConfigImporter;
use Modules\EcommerceFinance\Services\SupplierBookkeepingConfigStore;
use Modules\EcommerceFinance\Services\SupplierBookkeepingDeductionRule as Rule;
use Modules\EcommerceFinance\View\SupplierBookkeepingConfigPageData;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class SupplierBookkeepingConfigs extends Controller
{
    public function __construct(private readonly SupplierBookkeepingConfigStore $store) {}

    public function store(Request $request)
    {
        $this->store->save($this->validated($request), $this->actor());

        return $this->back('厂家记账配置已新增，厂家记账明细按新配置重新判定。');
    }

    public function update(Request $request, int $configId)
    {
        $this->store->save($this->validated($request), $this->actor(), $configId);

        return $this->back('厂家记账配置已更新，厂家记账明细按新配置重新判定。');
    }

    public function destroy(int $configId)
    {
        $this->store->changeDeleted($configId, true, $this->actor());

        return $this->back('配置已删除，该供应商视同不在配置表，按正常记账扣款。');
    }

    public function restore(int $configId)
    {
        $this->store->changeDeleted($configId, false, $this->actor());

        return $this->back('厂家记账配置已恢复。');
    }

    public function import(Request $request, SupplierBookkeepingConfigImporter $importer)
    {
        $request->validate(['file' => ['required', 'file', 'mimes:xlsx', 'max:10240']]);
        $path = $request->file('file')->getRealPath();
        $result = $this->store->import($importer->read($path), $this->actor(), hash_file('sha256', $path));

        return $this->back("导入完成：新增{$result['added']}条，更新{$result['updated']}条，未变化{$result['skipped']}条。");
    }

    public function export(SupplierBookkeepingConfigPageData $data)
    {
        $rows = $this->store->filtered($data->filters())->get();
        $book = new Spreadsheet();
        $sheet = $book->getActiveSheet();
        $sheet->setTitle('厂家记账配置');
        $sheet->fromArray([['供应商', '记账方式', '生效开始日期', '生效结束日期', '原始说明', '创建人', '更新时间', '删除状态']]);
        foreach ($rows as $index => $row) {
            $values = [$row->supplier_name, Rule::MODES[$row->mode] ?? $row->mode, $row->effective_from, $row->effective_to, $row->source_text, $row->creator, $row->updated_at, $row->deleted_at ? '已删除' : '正常'];
            foreach ($values as $column => $value) {
                $sheet->setCellValueExplicit([$column + 1, $index + 2], (string) $value, DataType::TYPE_STRING);
            }
        }
        foreach (['A' => 24, 'B' => 20, 'C' => 14, 'D' => 14, 'E' => 44, 'F' => 16, 'G' => 20, 'H' => 10] as $column => $width) {
            $sheet->getColumnDimension($column)->setWidth($width);
        }
        $sheet->freezePane('A2');

        return response()->streamDownload(function () use ($book): void {
            try { (new Xlsx($book))->save('php://output'); } finally { $book->disconnectWorksheets(); }
        }, '厂家记账配置.xlsx', ['Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet']);
    }

    private function validated(Request $request): array
    {
        return $request->validate([
            'supplier_name' => ['required', 'string', 'max:191'],
            'mode' => ['required', ValidationRule::in(array_keys(Rule::MODES))],
            'effective_from' => ['nullable', 'date_format:Y-m-d'],
            'effective_to' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:effective_from'],
            'source_text' => ['nullable', 'string', 'max:255'],
        ], [], ['supplier_name' => '供应商', 'mode' => '记账方式', 'effective_from' => '生效开始日期', 'effective_to' => '生效结束日期', 'source_text' => '备注']);
    }

    private function actor(): string
    {
        return mb_substr((string) user()->name, 0, 191);
    }

    private function back(string $message)
    {
        return redirect()->route('business.pages.show', ['section' => 'supplier-payables', 'page' => 'manufacturer-bookkeeping', 'bk_view' => 'config'])->with('bookkeeping_config_message', $message);
    }
}