<?php

namespace App\Models;

use CodeIgniter\Model;

class InvOperationModel extends Model
{
    protected $table         = 'inv_operations';
    protected $primaryKey    = 'id';
    protected $returnType    = 'array';
    protected $useTimestamps = true;
    protected $allowedFields = ['instrument_id', 'date', 'amount', 'type', 'description'];

    protected $validationRules = [
        'instrument_id' => 'required|is_natural_no_zero',
        'date'          => 'required|valid_date[Y-m-d]',
        'amount'        => 'required|decimal|greater_than[0]',
        'type'          => 'required|in_list[deposit,withdraw]',
        'description'   => 'permit_empty|max_length[255]',
    ];

    /**
     * Lista operacji inwestycyjnych z nazwa instrumentu, z filtrami.
     * $f: from, to, instrument_id, type (wszystkie opcjonalne).
     */
    public function filtered(array $f): array
    {
        $b = $this->db->table('inv_operations o')
            ->select('o.*, i.name AS instrument_name')
            ->join('inv_instruments i', 'i.id = o.instrument_id', 'left');

        if (! empty($f['from'])) {
            $b->where('o.date >=', $f['from']);
        }
        if (! empty($f['to'])) {
            $b->where('o.date <=', $f['to']);
        }
        if (! empty($f['instrument_id'])) {
            $b->where('o.instrument_id', (int) $f['instrument_id']);
        }
        if (! empty($f['type'])) {
            $b->where('o.type', $f['type']);
        }

        return $b->orderBy('o.date', 'DESC')->orderBy('o.id', 'DESC')->get()->getResultArray();
    }
}