<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use App\Exports\DataExport;
use App\Models\UserOverView;
use App\Models\User;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Carbon\Carbon;

class DataExport implements FromCollection, WithHeadings
{
    /**
    * @return \Illuminate\Support\Collection
    */
    public function collection()
    {
        $start_date = request()->start_date;
        // dd($start_date);
        $end_date = request()->end_date;
        // dd($end_date);
        $userData = UserOverView::select('id','user_id','muscle_rate','body_fat','skeletal_muscle', 'protein', 'bmr','water','age','weight','created_at')->with('userData')->whereBetween('created_at', [$start_date, $end_date])->get();
        // dd($userData);
        if ($userData->isEmpty()) {
     
            return collect([
                [
                    'message' => 'No data found for the specified date.',
                ]
            ]);
        }

        $formattedData = $userData->map(function ($userData, $index) {
            
            $user_name = isset($userData->userData) && isset($userData->userData)
            ? $userData->userData->full_name : 'N/A';

            return [
                'id' => $index + 1,
                'user_id' => $user_name,
                'Muscle Rate' => $userData->muscle_rate,
                'Body Fat' => $userData->body_fat,
                'Skeletal Muscle' => $userData->skeletal_muscle,
                'Protein' => $userData->protein,
                'BMR' => $userData->bmr,
                'Water' => $userData->water,
                'Age' => $userData->age,
                'Weight' => $userData->weight,
                'Date' => Carbon::parse($userData->created_at)->format('Y-m-d'),

            ];
        });
        
           return $formattedData;
    }
    
    public function headings(): array
    {
        return [
            'id',
            'Name',
            'Muscle Rate',
            'Body Fat',
            'Skeletal Muscle',
            'Protein',
            'BMR',
            'Water',
            'Age',
            'Weight',
            'Date'
        ];
    }
}