<?php

namespace App\Imports\Sheets;

use Exception;
use App\Models\DailyChange;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;
use App\Imports\ValidatesPortfolioPermissions;
use Maatwebsite\Excel\Concerns\SkipsEmptyRows;
use Maatwebsite\Excel\Concerns\WithHeadingRow;
use Maatwebsite\Excel\Concerns\WithValidation;
use Maatwebsite\Excel\Concerns\WithChunkReading;

class DailyChangesSheet implements ToCollection, WithHeadingRow, WithValidation, SkipsEmptyRows, WithChunkReading
{
    use ValidatesPortfolioPermissions;

    public function collection(Collection $dailyChanges)
    {
        $this->validatePortfolioPermissions($dailyChanges);

        foreach ($dailyChanges as $dailyChange) {

            DailyChange::updateOrCreate([
                'date' => $dailyChange['date'],
                'portfolio_id' => $dailyChange['portfolio_id'],
            ],[
                'portfolio_id' => $dailyChange['portfolio_id'],
                'date' => $dailyChange['date'],
                'total_market_value' => $dailyChange['total_market_value'],
                'total_cost_basis' => $dailyChange['total_cost_basis'],
                'total_gain' => $dailyChange['total_gain'],
                'total_dividends_earned' => $dailyChange['total_dividends'],
                'realized_gains' => $dailyChange['realized_gains'],
                'annotation' => $dailyChange['annotation'],
            ]);
        }
    }

    public function rules(): array
    {
        return [
            'portfolio_id' => ['required', 'exists:portfolios,id'],
            'date' => ['required', 'date'],
            'total_market_value' => ['sometimes', 'nullable', 'numeric'],
            'total_cost_basis' => ['sometimes', 'nullable', 'min:0', 'numeric'],
            'total_gain' => ['sometimes', 'nullable', 'numeric'],
            'total_dividends' => ['sometimes', 'nullable', 'min:0', 'numeric'],
            'realized_gains' => ['sometimes', 'nullable', 'numeric'],
            'annotation' => ['sometimes', 'nullable', 'string'],
        ];
    }

    public function chunkSize(): int
    {
        return 500;
    }
}