<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class JournalModel extends CI_Model
{
    public function createHeader(array $data)
    {
        if (!$this->db->insert('journals', $data)) {
            throw new RuntimeException('Gagal membuat header jurnal.');
        }

        return (int) $this->db->insert_id();
    }

    public function addLines(array $lines)
    {
        if (empty($lines) || !$this->db->insert_batch('journal_details', $lines)) {
            throw new RuntimeException('Gagal membuat detail jurnal.');
        }
    }

    public function referenceExists($reference, $excludeId = 0)
    {
        $this->db->where('no_ref', $reference);
        if ((int) $excludeId > 0) $this->db->where('id !=', (int) $excludeId);
        return $this->db->count_all_results('journals') > 0;
    }

    public function sourceExists($type, $id)
    {
        return $this->db
            ->where('ref_type', $type)
            ->where('ref_id', $id)
            ->count_all_results('journals') > 0;
    }

    public function find($id)
    {
        return $this->db->get_where('journals', array('id' => (int) $id))->row();
    }

    public function findForUpdate($id)
    {
        return $this->db->query('SELECT * FROM journals WHERE id = ? FOR UPDATE', array((int) $id))->row();
    }

    public function lines($journalId)
    {
        return $this->db->where('journal_id', (int) $journalId)->order_by('id', 'ASC')->get('journal_details')->result_array();
    }

    public function updateStatus($journalId, $status, array $extra = array())
    {
        return $this->db->where('id', (int) $journalId)->update('journals', array_merge(array(
            'status' => $status,
            'updated_at' => date('Y-m-d H:i:s')
        ), $extra));
    }

    public function addStatusHistory($journalId, $from, $to, $userId, $notes = null)
    {
        return $this->db->insert('journal_status_histories', array(
            'journal_id' => (int) $journalId,
            'from_status' => $from,
            'to_status' => $to,
            'notes' => $notes,
            'changed_by' => (int) $userId,
            'changed_at' => date('Y-m-d H:i:s')
        ));
    }
}