<?php

namespace App\Http\Controllers\system;

use App\Http\Controllers\Controller;
use App\Models\ExportFiles;
use App\Models\User;
use Carbon\Carbon;
use Illuminate\Http\Request;
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Exp;

class FileIndexController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        return view('filesystem.index');
    }

    //api_index
    public function api_index(Request $request)
    {
        // 從資料庫取得檔案索引表 ExportFiles
        $user_id = auth('api')->user()->id;
        $files = ExportFiles::where('user_id', $user_id)->get();

        [$draw, $totalRecords, $totalRecordswithFilter, $data_arr] = $this->getData($request);

        $response = array(
            "draw" => intval($draw),
            "iTotalRecords" => $totalRecords,
            "iTotalDisplayRecords" => $totalRecordswithFilter,
            "aaData" => $data_arr
        );


        // dd($response);
        echo json_encode($response);
        exit;

    }
    // get data
    #region 取得資料
    function getData($request)
    {
        $user_id = auth('api')->user()->id;

        #region Request 搜尋值
        if (isset($request->searchByFromdate))
            $searchByFromdate = $request->searchByFromdate;
        if (isset($request->searchByTodate))
            $searchByTodate = $request->searchByTodate;
        #endregion


        #region DataTable 搜尋屬性
        if (!isset($request->export)) {
            $draw = $request->get('draw');
            $start = $request->get("start");
            $rowperpage = $request->get("length"); // Rows display per page

            $columnIndex_arr = $request->get('order');
            $columnName_arr = $request->get('columns');
            $order_arr = $request->get('order');
            $search_arr = $request->get('search');

            $columnIndex = $columnIndex_arr[0]['column']; // Column index
            $columnName = $columnName_arr[$columnIndex]['data']; // Column name
            $columnSortOrder = $order_arr[0]['dir']; // asc or desc
            $searchValue = $search_arr['value']; // Search value
        } else {
            $draw = 0;
        }
        #endregion

        // Fetch records
        $records = ExportFiles::query();
        $records->where('user_id', $user_id);

        $totalRecords = $records->count();

        if (isset($columnName))
            $records->orderBy($columnName, $columnSortOrder);
        if (isset($searchValue)) {
            $records->where(function ($query) use ($searchValue) {
                $query->where('remark', 'like', '%' . $searchValue . '%');
            });
        }

        //時間限制
        if (isset($searchByFromdate))
            $records->where('created_at', ">", $searchByFromdate . ' 00:00:00');
        if (isset($searchByTodate))
            $records->where('created_at', "<", $searchByTodate . ' 23:59:59');


        $totalRecordswithFilter = $records->count();

        #region DataTable 分頁(報表不分頁)
        if (!isset($request->export)) {
            if (isset($start))
                $records->skip($start);
            if (isset($rowperpage))
                $records->take($rowperpage);
        }
        #endregion

        $records = $records->get();

        #region 資料處理
        $data_arr = array();
        $sno = 1 + ($request->get('start') ?? 0);
        foreach ($records as $record) {
            $data_arr[] = array(
                "id" => $sno++, // $record->id,
                "display_name" => $record->remark,
                "user" => User::find($record->user_id)->name ?? '',
                "created_at" => Carbon::parse($record->created_at)->format('Y-m-d H:i:s'),
                "name" => "$record->name",
            );
        }
        #endregion
        return [$draw, $totalRecords, $totalRecordswithFilter, $data_arr];
    }
    #endregion

    // 下載檔案 透過檔案名稱
    public function downloadFile(Request $request, $path)
    {
        $file = ExportFiles::where('name', $path)->first();
        $path = storage_path('app/' . $file->path . '/' . $file->name);
        // 檔案名稱
        $name = $file->remark;
        // 副檔名
        $ext = pathinfo($path, PATHINFO_EXTENSION);
        return response()->download($path, $name . '.' . $ext);
    }
}