<?php

namespace App\Models;

use CodeIgniter\Model;

class ExpenseModel extends Model
{
    protected $table = 'expenses';
    protected $primaryKey = 'id';

    protected $allowedFields = [
        'category',
        'amount',
        'receipt_path',
        'description',
        'retailor',
        'date_of_purchase',
        'purchased_by',
        'added_by',
        'school_year',
        'semester',
        'status',
        'status_reason',
        'reimbursement_id',
        'approved_by',
        'updated_by'
    ];

    protected $useTimestamps = true;
    protected $createdField = 'created_at';
    protected $updatedField = 'updated_at';

    protected $validationRules = [
        // Add your validation rules here as needed
    ];

    public function getReimbursedExpensesWithDetails(array $filters = [])
    {
        $db = \Config\Database::connect();
        $builder = $db->table('expenses');
        $builder->select('expenses.*, 
            r.id AS reimb_id,
            r.amount AS reimb_amount, r.reimbursement_method, r.check_number,
            r.receipt_path AS reimb_receipt, r.status AS reimb_status, 
            r.school_year, r.semester, r.created_at AS reimb_created_at,
            r.reimbursed_to AS reimb_recipient_id,
            reimb.firstname AS reimb_firstname, reimb.lastname AS reimb_lastname,
            approver.firstname AS approver_firstname, approver.lastname AS approver_lastname');
        $builder->join('reimbursements r', 'r.expense_id = expenses.id', 'inner');
        $builder->join('users reimb', 'reimb.id = r.reimbursed_to', 'left');
        $builder->join('users approver', 'approver.id = r.approved_by', 'left');

        if (!empty($filters['school_year'])) {
            $builder->where('r.school_year', $filters['school_year']);
        }
        if (!empty($filters['semester'])) {
            $builder->where('r.semester', $filters['semester']);
        }
        if (!empty($filters['status'])) {
            $builder->where('r.status', $filters['status']);
        }
        if (!empty($filters['user_id'])) {
            $builder->where('r.reimbursed_to', $filters['user_id']);
        }

        $builder->orderBy('r.created_at', 'DESC');

        return $builder;
    }
}