<?php

namespace App\Http\Controllers\Banking;

use App\Abstracts\Http\Controller;
use App\Http\Requests\Banking\MarketingPinduoduoBill as Request;
use App\Models\Banking\MarketingPinduoduoBill;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request as HttpRequest;

class MarketingPinduoduoBills extends Controller
{
    public function __construct()
    {
        $this->middleware('permission:read-banking-accounts')->only('index');
        $this->middleware('permission:create-banking-accounts')->only('create', 'store', 'import', 'template');
        $this->middleware('permission:update-banking-accounts')->only('edit', 'update', 'export');
        $this->middleware('permission:delete-banking-accounts')->only('destroy');
    }

    /**
     * 列表页
     */
    public function index()
    {
        return view('banking.marketing_pinduoduo_bills.index', [
            'bills' => MarketingPinduoduoBill::orderBy('transaction_time', 'desc')
                ->orderBy('id', 'desc')
                ->paginate(setting('default.list_limit', 25)),
        ]);
    }

    /**
     * 创建表单
     */
    public function create()
    {
        return view('banking.marketing_pinduoduo_bills.form', [
            'bill' => new MarketingPinduoduoBill([
                'company_id' => company_id(),
                'transaction_time' => now(),
            ]),
        ]);
    }

    /**
     * 下载导入模板
     */
    public function template()
    {
        return response()->streamDownload(function () {
            $csv = fopen('php://output', 'w');
            fputs($csv, chr(0xEF) . chr(0xBB) . chr(0xBF));

            fputcsv($csv, [
                '店铺名称', '时间', '资金类型', '流水类型',
                '交易金额', '余额', '交易摘要',
            ]);

            fclose($csv);
        }, 'marketing_pinduoduo_bills_template.csv', [
            'Content-Type' => 'text/csv; charset=UTF-8',
        ]);
    }

    /**
     * 批量导出
     */
    public function export(HttpRequest $request)
    {
        $ids = $request->validate([
            'ids' => ['nullable', 'array', 'max:5000'],
            'ids.*' => ['integer'],
        ])['ids'] ?? [];

        $query = MarketingPinduoduoBill::oldest('id');

        if (!empty($ids)) {
            $query->whereKey($ids);
        }

        $bills = $query->get();

        return response()->streamDownload(function () use ($bills) {
            $csv = fopen('php://output', 'w');
            fputs($csv, chr(0xEF) . chr(0xBB) . chr(0xBF));

            fputcsv($csv, [
                '店铺名称', '时间', '资金类型', '流水类型',
                '交易金额', '余额', '交易摘要',
            ]);

            foreach ($bills as $bill) {
                fputcsv($csv, [
                    $bill->store_name,
                    $bill->transaction_time?->format('Y-m-d H:i:s'),
                    $bill->fund_type,
                    $bill->flow_type,
                    $bill->transaction_amount,
                    $bill->balance,
                    $bill->transaction_summary,
                ]);
            }

            fclose($csv);
        }, 'marketing_pinduoduo_bills_export.csv', [
            'Content-Type' => 'text/csv; charset=UTF-8',
        ]);
    }

    /**
     * 批量导入
     */
    public function import(HttpRequest $request): RedirectResponse
    {
        $validated = $request->validate([
            'import' => ['required', 'file', 'mimes:xlsx,xls,csv', 'max:5120'],
        ], [
            'import.required' => trans('marketing_pinduoduo_bills.import_required'),
            'import.mimes' => trans('marketing_pinduoduo_bills.import_file_type'),
            'import.max' => trans('marketing_pinduoduo_bills.import_file_size'),
        ]);

        $file = $validated['import'];
        $handle = fopen($file->getRealPath(), 'r');

        $bom = fread($handle, 3);
        if ($bom !== chr(0xEF) . chr(0xBB) . chr(0xBF)) {
            rewind($handle);
        }

        fgetcsv($handle);

        $count = 0;
        $companyId = company_id();
        $userId = user()->id;

        while (($row = fgetcsv($handle)) !== false) {
            if (empty($row[0]) && empty($row[1])) {
                continue;
            }

            $transactionTime = null;
            if (!empty($row[1])) {
                try {
                    $transactionTime = \Carbon\Carbon::parse($row[1]);
                } catch (\Exception $e) {
                    $transactionTime = null;
                }
            }

            MarketingPinduoduoBill::create([
                'company_id' => $companyId,
                'store_name' => $row[0] ?? '',
                'transaction_time' => $transactionTime,
                'fund_type' => $row[2] ?? '',
                'flow_type' => $row[3] ?? null,
                'transaction_amount' => (float) ($row[4] ?? 0),
                'balance' => (float) ($row[5] ?? 0),
                'transaction_summary' => $row[6] ?? null,
                'created_from' => 'core::ui',
                'created_by' => $userId,
            ]);

            $count++;
        }

        fclose($handle);

        flash(trans('marketing_pinduoduo_bills.import_success', ['count' => $count]))->success();

        return redirect()->route('marketing-pinduoduo-bills.index');
    }

    /**
     * 存储新账单
     */
    public function store(Request $request): RedirectResponse
    {
        $data = $request->validated();

        MarketingPinduoduoBill::create(array_merge($data, [
            'company_id' => company_id(),
            'created_from' => 'core::ui',
            'created_by' => user()->id,
        ]));

        flash(trans('messages.success.created', ['type' => trans('marketing_pinduoduo_bills.title')]))->success();

        return redirect()->route('marketing-pinduoduo-bills.index');
    }

    /**
     * 编辑表单
     */
    public function edit(MarketingPinduoduoBill $marketingPinduoduoBill)
    {
        return view('banking.marketing_pinduoduo_bills.form', [
            'bill' => $marketingPinduoduoBill,
        ]);
    }

    /**
     * 更新账单
     */
    public function update(Request $request, MarketingPinduoduoBill $marketingPinduoduoBill): RedirectResponse
    {
        $marketingPinduoduoBill->update($request->validated());

        flash(trans('messages.success.updated', ['type' => trans('marketing_pinduoduo_bills.title')]))->success();

        return redirect()->route('marketing-pinduoduo-bills.index');
    }

    /**
     * 删除账单
     */
    public function destroy(MarketingPinduoduoBill $marketingPinduoduoBill): RedirectResponse
    {
        $marketingPinduoduoBill->delete();

        flash(trans('messages.success.deleted', ['type' => trans('marketing_pinduoduo_bills.title')]))->success();

        return redirect()->route('marketing-pinduoduo-bills.index');
    }
}