<?php

namespace App\Models;

use CodeIgniter\Model;

class Ipinvoice_model extends Model
{


    /**
     * This function is used to get the user listing count
     * @param string $searchText : This is optional search text
     * @param number $page : This is pagination offset
     * @param number $segment : This is pagination limit
     * @return array $result : This is result
     */
    function saleInvoiceListing()
    {
        $builder = $this->db->table('ip_invoices')
            ->select('ip_invoices.invoice_id, ip_invoices.user_id, ip_invoices.client_id,
                    ip_invoices.invoice_group_id, ip_invoices.invoice_status_id, ip_invoices.invoice_date_due, ip_invoices.invoice_date_created,
                    ip_invoices.invoice_number, ip_invoices.invoice_terms, ip_invoices.status, ip_invoices.e_invoice_number, ip_invoices.invoice_url, ip_clients.client_name,
                    ip_payment_methods.payment_method_name, ip_users.user_name,
                    ip_products.product_name, ip_invoice_items.item_price, ip_products.cgst, ip_products.sgst, 
                    ip_invoice_items.item_quantity, ip_invoice_items.item_price, ip_invoice_items.item_name, ip_invoice_items.item_quantity,
                    ip_invoice_amounts.invoice_total, ip_invoice_amounts.invoice_item_subtotal, ip_invoice_amounts.invoice_item_tax_total')
            ->join('ip_payment_methods', 'ip_invoices.payment_method = ip_payment_methods.payment_method_id', 'left')
            ->join('ip_clients', 'ip_invoices.client_id = ip_clients.client_id', 'left')
            ->join('ip_users', 'ip_invoices.user_id = ip_users.user_id', 'left')
            ->join('ip_invoice_items', 'ip_invoices.invoice_id = ip_invoice_items.invoice_id', 'left')
            ->join('ip_products', 'ip_invoice_items.item_product_id = ip_products.product_id', 'left')
            ->join('ip_invoice_amounts', 'ip_invoices.invoice_id = ip_invoice_amounts.invoice_id', 'left')
            ->orderBy('ip_invoices.invoice_number', 'DESC')
            ->limit(100);
    
        $query = $builder->get();
        $result = $query->getResult();
        // $results = $query->getResultArray();
        return $result;
        // $invoices = [];
    
        // foreach ($results as $row) {
        //     $invoice_id = $row['invoice_id'];
    
        //     // If the invoice_id doesn't exist in the $invoices array, initialize it
        //     if (!isset($invoices[$invoice_id])) {
        //         $invoices[$invoice_id] = [
        //             'invoice_id' => $row['invoice_id'],
        //             'user_id' => $row['user_id'],
        //             'client_id' => $row['client_id'],
        //             'invoice_group_id' => $row['invoice_group_id'],
        //             'invoice_status_id' => $row['invoice_status_id'],
        //             'invoice_date_due' => $row['invoice_date_due'],
        //             'invoice_date_created' => $row['invoice_date_created'],
        //             'invoice_number' => $row['invoice_number'],
        //             'invoice_terms' => $row['invoice_terms'],
        //             'status' => $row['status'],
        //             'e_invoice_number' => $row['e_invoice_number'],
        //             'invoice_url' => $row['invoice_url'],
        //             'client_name' => $row['client_name'],
        //             'payment_method_name' => $row['payment_method_name'],
        //             'user_name' => $row['user_name'],
        //             'invoice_total' => $row['invoice_total'],
        //             'invoice_item_subtotal' => $row['invoice_item_subtotal'],
        //             'invoice_item_tax_total' => $row['invoice_item_tax_total'],
        //             'products' => []  // Initialize the products array
        //         ];
        //     }
    
        //     // Add the product to the products array for the current invoice
        //     $invoices[$invoice_id]['products'][] = [
        //         'product_name' => $row['product_name'],
        //         'item_quantity' => $row['item_quantity'],
        //         'item_price' => $row['item_price'],
        //     ];
        // }
    
        // // Return the grouped invoices
        // return $invoices;
    }
    

    /**
     * This function is used to add new user to system
     * @return number $insert_id : This is last inserted id
     */
    function addNewUser($userInfo)
    {

        $this->db->transStart();
        $builder = $this->db->table('tbl_users');
        $builder->insert($userInfo);

        $insert_id = $this->db->affectedRows();

        $this->db->transComplete();

        return $insert_id;
    }

    /**
     * This function used to get user information by id
     * @param number $userId : This is user id
     * @return array $result : This is user information
     */
    function getInvoice($invoiceId)
    {
        $builder = $this->db->table('ip_invoices')
            // ->select('')
            ->where('invoice_id', $invoiceId);
        $query = $builder->get();

        return $query->getResult();
    }


        /**
     * This function used to get user information by id
     * @param number $userId : This is user id
     * @return array $result : This is user information
     */
    function getinvoiceAttachment($invoiceId)
    {
        $builder = $this->db->table('ip_invoice_attachment')
            // ->select('')
            ->where('invoice_id', $invoiceId);
        $query = $builder->get();

        return $query->getResult();
    }

    
    // Ipinvoice_model
    public function deleteAttachment($invoice_attachment_id) {
        // Get the attachment details to get the file path
        $builder = $this->db->table('ip_invoice_attachment');
        $builder->where('invoice_attachment_id', $invoice_attachment_id);
        $query = $builder->get();
        $attachment = $query->getRowArray(); // Get single row as an associative array
    
        if ($attachment) {
            // Construct the file path
            $fileName = $attachment['attachment_name']; // Make sure this is the correct field name
            $filePath = './public/uploads/images/invoice_files/' . $fileName;
    
            // Debug: Log the file path
            log_message('error', 'Attempting to delete file: ' . $filePath);
    
            // Check if the path is actually a file
            if (file_exists($filePath) && !is_dir($filePath)) {
                unlink($filePath); // Delete the file
            } else {
                log_message('error', 'File does not exist or is a directory: ' . $filePath);
            }
    
            // Delete the record from the database
            $builder->where('invoice_attachment_id', $invoice_attachment_id);
            $builder->delete();
    
            return $this->db->affectedRows() > 0;
        }
    
        return false;
    }
    
    
    /**
     * This function is used to update the user information
     * @param array $userInfo : This is users updated information
     * @param number $userId : This is user id
     */
    function editUser($userInfo, $userId)
    {
        $this->db->table('tbl_users')
            ->where('EmpID', $userId)
            ->update($userInfo);

        return TRUE;
    }


    /**
     * This function is used to delete the user information
     * @param number $userId : This is user id
     * @return boolean $result : TRUE / FALSE
     */
    function deleteUser($userId, $userInfo)
    {
        $this->db->table('tbl_users')
            ->where('userId', $userId)
            ->update($userInfo);

        return $this->db->affectedRows();
    }


    /**
     * This function is used to get the All employees
     * @return array $result : This is result of the query
     */
    function getAllEmployees()
    {
        /*->select('EmpID,FirstName,LastName');
        $builder = $this->db->table('t_employee_details');
		$query = $builder->get();
        
        return $query->getResult(); */
        $builder = $this->db->table('t_employee_details EMP')
            ->select('EMP.EmpID,EMP.FirstName,EMP.LastName,EMP.Designation,EMP.EmailId,EMP.ContactNumber,DEPT.DEPCode,DEPT.DepartmentName')
            ->join('t_departmentdetails DEPT', 'EMP.Departmentcode = DEPT.DEPCode')
            ->where('EMP.IsActive ', 1);
        $query = $builder->get();
        return $query->getResult();
    }


    /**
     * This function is used to get the Today Sales
     * @return array $result : This is result of the query
     */
    function todaySales()
    {
        $builder = $this->db->table('ip_invoices a')
            ->select('COUNT(DISTINCT(a.invoice_number)) as Invoices, IFNULL(SUM(b.item_quantity), 0) as Qty, IFNULL(SUM(c.item_subtotal), 0) as Sales')
            ->join('ip_invoice_items b', 'a.invoice_id = b.invoice_id', 'left')
            ->join('ip_invoice_item_amounts c', 'b.item_id = c.item_id', 'left')
            ->where('a.invoice_date_created', date('Y-m-d'))
            ->where('a.invoice_status_id', 2);
        
        $query = $builder->get();
        return $query->getRow(); // Assuming you want a single row of aggregated results
    }


    /**
     * This function is used to get the This Month Sales
     * @return array $result : This is result of the query
     */
    function thisMonthSales()
    {
        // Calculate the start date for the current fiscal month
        $fiscalMonthStart = date('Y') . '-04-01'; // Assuming the fiscal year starts in April
        $currentYear = date('Y');
        $currentMonth = date('m');

        // If the current month is before April, subtract one year for the fiscal year start
        if ($currentMonth < 4) {
            $fiscalMonthStart = ($currentYear - 1) . '-' . $currentMonth . '-01';
        } else {
            $fiscalMonthStart = $currentYear . '-' . $currentMonth . '-01';
        }

        // Build the query
        $builder = $this->db->table('ip_invoices a')
            ->select('COUNT(DISTINCT(a.invoice_number)) as Invoices, 
                    IFNULL(SUM(b.item_quantity), 0) as Qty, 
                    IFNULL(SUM(c.item_subtotal), 0) as Sales')
            ->join('ip_invoice_items b', 'a.invoice_id = b.invoice_id', 'left')
            ->join('ip_invoice_item_amounts c', 'b.item_id = c.item_id', 'left')
            ->where('a.invoice_date_created >=', $fiscalMonthStart)
            ->where('a.invoice_status_id', 2);

        // Execute the query
        $query = $builder->get();
        
        // Log the SQL query for debugging
        log_message('debug', $builder->getCompiledSelect());

        // Return the aggregated results
        return $query->getRow();
    }

    /**
     * This function is used to get the This Year Sales
     * @return array $result : This is result of the query
     */
    function thisYearSales()
    {
        // Calculate the start date for the current fiscal year
        $fiscalYearStart = date('Y') . '-04-01'; 
        $currentYear = date('Y');
        $currentMonth = date('m');

        // If the current month is before April, subtract one year for the fiscal year start
        if ($currentMonth < 4) {
            $fiscalYearStart = ($currentYear - 1) . '-04-01';
        } else {
            $fiscalYearStart = $currentYear . '-04-01';
        }

        // Build the query
        $builder = $this->db->table('ip_invoices a')
            ->select('COUNT(DISTINCT(a.invoice_number)) as Invoices, 
                    IFNULL(SUM(b.item_quantity), 0) as Qty, 
                    IFNULL(SUM(c.item_subtotal), 0) as Sales')
            ->join('ip_invoice_items b', 'a.invoice_id = b.invoice_id', 'left')
            ->join('ip_invoice_item_amounts c', 'b.item_id = c.item_id', 'left')
            ->where('a.invoice_date_created >=', $fiscalYearStart)
            ->where('a.invoice_status_id', 2);

        // Execute the query
        $query = $builder->get();
        
        // Log the SQL query for debugging
        log_message('debug', $builder->getCompiledSelect());

        // Return the aggregated results
        return $query->getRow();
    }

    /**
     * This function is used to get the This Year Sales Trend
     * @return array $result : This is result of the query
     */
    function thisYearSalesTrend()
    {
        $currentYear = date('Y');
        $currentMonth = date('m');

        // Calculate the start date for the current and last fiscal years
        if ($currentMonth < 4) {
            $fiscalYearStartCurrent = ($currentYear - 1) . '-04-01';
            $fiscalYearStartLast = ($currentYear - 2) . '-04-01';
            $fiscalYearEndLast = ($currentYear - 1) . '-03-31';
        } else {
            $fiscalYearStartCurrent = $currentYear . '-04-01';
            $fiscalYearStartLast = ($currentYear - 1) . '-04-01';
            $fiscalYearEndLast = $currentYear . '-03-31';
        }

        // Build query for the current fiscal year
        $builderCurrent = $this->db->table('ip_invoices a')
            ->select("DATE_FORMAT(a.invoice_date_created, '%b') as Month, 
                    IFNULL(SUM(c.item_total), 0) as Sales")
            ->join('ip_invoice_items b', 'a.invoice_id = b.invoice_id', 'left')
            ->join('ip_invoice_item_amounts c', 'b.item_id = c.item_id', 'left')
            ->where('a.invoice_date_created >=', $fiscalYearStartCurrent)
            ->where('a.invoice_status_id', 2)
            ->groupBy("DATE_FORMAT(a.invoice_date_created, '%b')")
            ->orderBy('MONTH(a.invoice_date_created)');

        // Build query for the last fiscal year
        $builderLast = $this->db->table('ip_invoices a')
            ->select("DATE_FORMAT(a.invoice_date_created, '%b') as Month, 
                    IFNULL(SUM(c.item_total), 0) as Sales")
            ->join('ip_invoice_items b', 'a.invoice_id = b.invoice_id', 'left')
            ->join('ip_invoice_item_amounts c', 'b.item_id = c.item_id', 'left')
            ->where('a.invoice_date_created >=', $fiscalYearStartLast)
            ->where('a.invoice_date_created <', $fiscalYearStartCurrent)
            ->where('a.invoice_status_id', 2)
            ->groupBy("DATE_FORMAT(a.invoice_date_created, '%b')")
            ->orderBy('MONTH(a.invoice_date_created)');

        // Execute the queries
        $currentYearData = $builderCurrent->get()->getResultArray();
        $lastYearData = $builderLast->get()->getResultArray();

        // Combine the data
        $salesComparison = [];
        foreach ($lastYearData as $lastYearRow) {
            $month = $lastYearRow['Month'];
            $salesComparison[$month]['Last Year'] = $lastYearRow['Sales'];
        }

        foreach ($currentYearData as $currentYearRow) {
            $month = $currentYearRow['Month'];
            $salesComparison[$month]['Current Year'] = $currentYearRow['Sales'];
        }

        // Log the SQL queries for debugging
        log_message('debug', $builderCurrent->getCompiledSelect());
        log_message('debug', $builderLast->getCompiledSelect());

        // Return the comparison results
        return $salesComparison;
    }

    /**
     * This function is used to get the Today invoices
     * @return array $result : This is result of the query
     */
    function getTodayInvoices()
    {
        // Define the custom field ID for the vehicle number
        $vehicleCustomFieldId = 8; // Adjust this ID if necessary

        // Build the query to get today's invoices with detailed information
        $builder = $this->db->table('ip_invoices ii')
            ->select("
                ii.invoice_number AS 'Invoice No.',
                DATE_FORMAT(ii.invoice_date_created, '%d-%m-%Y') AS 'Invoice Date',
                TIME_FORMAT(ii.invoice_time_created, '%l:%i %p') AS 'Invoice Time',
                icf.invoice_custom_fieldvalue AS 'Vehicle No.',
                IF(iit.item_description = '', iit.item_name, iit.item_description) AS 'Product',
                ic.client_name AS 'Client',
                SUM(iit.item_quantity) AS 'Quantity',
                SUM(iit.item_price) AS 'Rate',
                SUM(iia.item_subtotal) AS 'Value',
                SUM(iia.item_cgst_amt) AS 'CGST',
                SUM(iia.item_sgst_amt) AS 'SGST',
                SUM(iia.item_igst_amt) AS 'IGST',
                SUM(IFNULL(tcs.tax_rate_percent * iia.item_total / 100, 0)) AS 'TCS',
                SUM(IFNULL(tcs.tax_rate_percent * iia.item_total / 100, 0)) + SUM(iia.item_total) AS 'Total'
            ")
            ->join('ip_invoice_custom icf', 'icf.invoice_id = ii.invoice_id', 'left')
            ->join('ip_invoice_tax_rates tc', 'tc.invoice_id = ii.invoice_id', 'left')
            ->join('ip_invoice_items iit', 'iit.invoice_id = ii.invoice_id', 'left')
            ->join('ip_invoice_item_amounts iia', 'iia.item_id = iit.item_id', 'left')
            ->join('ip_clients ic', 'ic.client_id = ii.client_id', 'left')
            ->join('ip_tax_rates sgst', 'sgst.tax_rate_id = iit.sgst_item_tax_rate_id', 'left')
            ->join('ip_tax_rates cgst', 'cgst.tax_rate_id = iit.cgst_item_tax_rate_id', 'left')
            ->join('ip_tax_rates igst', 'igst.tax_rate_id = iit.igst_item_tax_rate_id', 'left')
            ->join('ip_tax_rates tcs', 'tcs.tax_rate_id = tc.tax_rate_id', 'left')
            ->where('icf.invoice_custom_fieldid', $vehicleCustomFieldId)
            ->where('ii.invoice_status_id', 2)
            ->where('ii.invoice_date_created', date('Y-m-d'))
            ->groupBy('ii.invoice_number, iit.item_description')
            ->orderBy('ii.invoice_number');

        // Execute the query
        $query = $builder->get();

        // Log the SQL query for debugging
        log_message('debug', $builder->getCompiledSelect());

        // Return the detailed invoice data
        return $query->getResultArray();
    }

}