<?php

namespace Modules\EcommerceFinance\Http\Controllers;

use App\Utilities\SidebarPermissions;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\EcommerceFinance\Models\AlipayBill;
use Modules\EcommerceFinance\Repositories\StoreReceivingAlipayBillMirrorRepository;
use RuntimeException;

class AlipayBills extends Controller
{
    /**
     * 淘系支付宝账户账单列表（店铺收款账户账单 › 淘系支付宝账户）。
     * 经由 admin 路由组（web 会话）暴露，前端带 CSRF 调用即可。
     */
    public function index(Request $request, StoreReceivingAlipayBillMirrorRepository $repository)
    {
        $this->authorizeStoreReceivingBills();

        $sortable = ['occurred_at', 'income', 'expense', 'balance', 'record_code'];
        $sort = in_array($request->get('sort'), $sortable, true) ? $request->get('sort') : 'occurred_at';
        $dir = $request->get('dir') === 'asc' ? 'asc' : 'desc';
        $filters = $request->validate([
            'store_name' => ['nullable', 'string', 'max:255'],
            'alipay_account' => ['nullable', 'string', 'max:128'],
            'bill_item' => ['nullable', 'string', 'max:255'],
            'business_type' => ['nullable', 'string', 'max:255'],
            'start' => ['nullable', 'date_format:Y-m-d'],
            'end' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start'],
            'keyword' => ['nullable', 'string', 'max:255'],
        ]);

        try {
            return response()->json($repository->paginate(
                array_map(static fn (mixed $value): string => trim((string) $value), $filters),
                $sort,
                $dir,
                max((int) $request->get('page', 1), 1),
                min(max((int) $request->get('limit', 10), 1), 100),
            ));
        } catch (RuntimeException $exception) {
            if ($exception->getMessage() !== 'store_receiving_alipay_bill_mirror_not_ready') {
                throw $exception;
            }

            return response()->json([
                'message' => '淘系支付宝账单共享业务镜像正在首次同步，完成后将自动显示。',
                'data' => [],
                'total' => 0,
                'current_page' => 1,
                'last_page' => 1,
                'per_page' => min(max((int) $request->get('limit', 10), 1), 100),
                'summary' => ['income' => 0, 'expense' => 0, 'balance' => 0, 'count' => 0],
            ], 503);
        }
    }

    public function export(Request $request, StoreReceivingAlipayBillMirrorRepository $repository)
    {
        $this->authorizeStoreReceivingBills();
        $filters = $request->validate([
            'store_name' => ['nullable', 'string', 'max:255'],
            'alipay_account' => ['nullable', 'string', 'max:128'],
            'bill_item' => ['nullable', 'string', 'max:255'],
            'business_type' => ['nullable', 'string', 'max:255'],
            'start' => ['nullable', 'date_format:Y-m-d'],
            'end' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start'],
            'keyword' => ['nullable', 'string', 'max:255'],
        ]);

        try {
            $rows = $repository->exportRows(array_map(static fn (mixed $value): string => trim((string) $value), $filters));
        } catch (RuntimeException $exception) {
            if ($exception->getMessage() !== 'store_receiving_alipay_bill_mirror_not_ready') {
                throw $exception;
            }

            return response()->json(['message' => '淘系支付宝账单共享业务镜像正在首次同步，完成后将自动显示。'], 503);
        }

        return response()->streamDownload(function () use ($rows): void {
            $csv = fopen('php://output', 'w');
            fputs($csv, chr(0xEF) . chr(0xBB) . chr(0xBF));
            fputcsv($csv, ['记录编码', '原始店铺', '平台渠道', '账单项目', '账务订单号', '业务流水号', '商户订单号', '业务基础订单号', '商品编码', '发生时间', '收入（元）', '支出（元）', '收支净额（元）', '收支类型', '线上单号', '业务描述', '业务账单来源', '创建时间', '修改时间']);
            foreach ($rows as $row) {
                fputcsv($csv, [$row['record_code'], $row['store_name'], $row['alipay_account'], $row['bill_item'], $row['account_order_no'], $row['business_serial_no'], $row['merchant_order_no'], $row['business_base_order_no'], $row['goods_name'], $row['occurred_at'], $row['income'], $row['expense'], $row['balance'], $row['business_type'], $row['online_order_no'], $row['business_description'], $row['business_bill_source'], $row['created_at'], $row['updated_at']]);
            }
            fclose($csv);
        }, 'taobao_alipay_bills.csv', ['Content-Type' => 'text/csv; charset=UTF-8']);
    }

    public function show(AlipayBill $bill)
    {
        $this->authorizeStoreReceivingBills();

        return response()->json($bill);
    }

    protected function authorizeStoreReceivingBills(): void
    {
        $section = collect(SidebarPermissions::navigationFor(user()))
            ->firstWhere('slug', 'billing-transactions');
        $page = collect($section['pages'] ?? [])
            ->firstWhere('slug', 'store-receiving-bills');

        abort_if(empty($page), 403, '当前账号没有店铺收款账户账单权限。');
    }
}