<?php

defined('BASEPATH') or exit('No direct script access allowed');

class Taxes_model extends App_Model {
    public function __construct() {
        parent::__construct();
    }

    /**
     * Get tax by id
     * @param  mixed $id tax id
     * @return mixed     if id passed return object else array
     */
    public function get($id = '', $playground = false) {
        if (is_numeric($id)) {
            $this->db->where('id', $id);
            return $this->db->get(db_prefix() . ($playground ? 'playground_' : '') . 'taxes')->row();
        }
        $this->db->order_by('taxrate', 'ASC');
        return $this->db->get(db_prefix() . ($playground ? 'playground_' : '') . 'taxes')->result_array();
    }

    /**
     * Add new tax
     * @param array $data tax data
     * @return boolean
     */
    public function add($data, $playground = false) {
        unset($data['taxid']);
        $data['name'] = trim($data['name']);
        $data['taxrate'] = trim($data['taxrate']);
        $data = hooks()->apply_filters('before_tax_created', $data);
        $this->db->insert(($playground ? 'playground_' : '') . 'taxes', $data);
        $insert_id = $this->db->insert_id();
        if ($insert_id) {
            log_activity('New Tax Added [ID: ' . $insert_id . ', ' . $data['name'] . ']');
            hooks()->do_action('after_tax_created', ['id' => $insert_id, 'data' => $data, ]);
            return true;
        }
        return false;
    }

    /**
     * Edit tax
     * @param  array $data tax data
     * @return boolean
     */
    public function edit($data, $playground = false) {
        if (total_rows(db_prefix() . ($playground ? 'playground_' : '') . 'expenses', ['tax' => $data['taxid'], ]) > 0) {
            return ['tax_is_using_expenses' => true, ];
        }
        $updated = false;
        $taxid = $data['taxid'];
        $original_tax = get_tax_by_id($taxid, $playground);
        unset($data['taxid']);
        $data['name'] = trim($data['name']);
        $data['taxrate'] = trim($data['taxrate']);
        $data = hooks()->apply_filters('before_update_tax', $data, $taxid);
        $this->db->where('id', $taxid);
        $this->db->update(($playground ? 'playground_' : '') . 'taxes', $data);
        if ($this->db->affected_rows() > 0) {
            // Check if this task is used in settings
            $default_taxes = unserialize(get_option('default_tax'));
            $i = 0;
            foreach ($default_taxes as $tax) {
                $current_tax = $this->get($taxid, $playground);
                $tax_name = $original_tax->name . '|' . $original_tax->taxrate;
                if (strpos('x' . $tax, $tax_name) !== false) {
                    $default_taxes[$i] = str_ireplace($tax_name, $current_tax->name . '|' . $current_tax->taxrate, $default_taxes[$i]);
                }
                $i++;
            }
            update_option('default_tax', serialize($default_taxes));
            $updated = true;
        }
        hooks()->do_action('after_update_tax', ['id' => $taxid, 'data' => $data, 'updated' => & $updated, ]);
        if ($updated) {
            log_activity('Tax Updated [ID: ' . $taxid . ', ' . $data['name'] . ']');
        }
        return $updated;
    }

    /**
     * Delete tax from database
     * @param  mixed $id tax id
     * @return boolean
     */
    public function delete($id, $playground = false) {
        if (is_reference_in_table('tax', db_prefix() . ($playground ? 'playground_' : '') . 'items', $id) || is_reference_in_table('tax2', db_prefix() . ($playground ? 'playground_' : '') . 'items', $id) || is_reference_in_table('tax', db_prefix() . ($playground ? 'playground_' : '') . 'expenses', $id) || is_reference_in_table('tax2', db_prefix() . ($playground ? 'playground_' : '') . 'expenses', $id) || is_reference_in_table('tax_id', db_prefix() . ($playground ? 'playground_' : '') . 'subscriptions', $id) || is_reference_in_table('tax_id_2', db_prefix() . ($playground ? 'playground_' : '') . 'subscriptions', $id)) {
            return ['referenced' => true, ];
        }
        $this->db->where('id', $id);
        $this->db->delete(db_prefix() . ($playground ? 'playground_' : '') . 'taxes');
        if ($this->db->affected_rows() > 0) {
            log_activity('Tax Deleted [ID: ' . $id . ']');
            return true;
        }
        return false;
    }
}
