<?php

namespace App\Odoo;

use Illuminate\Support\Facades\Log;

class OdooService
{
    private $baseUrl;
    private $token;

    public function __construct()
    {
        // Using _env() to match the project's custom helper, falling back to standard values
        $this->baseUrl = _env('ODOO_BASE_URL', 'https://stag.odoo.blacksoil.co.in');
        $this->token = _env('ODOO_BEARER_TOKEN', '9cb239e406a7fc7635c3ae2a3aa9fa2f20cb54a0');
    }

    /**
     * GL Codes mapping hardcoded from gl_codes.csv
     */
    public static function getGlCodes()
    {
        return [
            133001 => 'Loans A/c',
            100201 => 'Bank A/c',
            136002 => 'NPA - Loans',
            145000 => 'Accrued Interest for Loans Due',
            145001 => 'Accrued Interest for Loans not Due',
            148000 => 'Subvention Charges receivable', // Also used for Penal/Foreclosure
            403000 => 'Interest Income',
            403007 => 'Interest - Accrued but not due (P&L)',
            403002 => 'Subvention Charges', // Also used for Penal/Foreclosure
            263000 => 'FLDG Receivable/ Payable - Co Lending',
            263001 => 'Loan Processing Fee Payable - Co Lending',
            263002 => 'Foreclosure Charges Payable - Co Lending',
            263003 => 'Penal Charges Payable - Co Lending',
            263004 => 'Interest Payable - Co Lending',
            263005 => 'Principal Payable - Co Lending',
            263006 => 'Other Advances (Daily Collections) - Co Lending',
            263007 => 'Other Advances (NPA Recovery) - Co Lending',
        ];
    }

    /**
     * Core request handler using native PHP cURL
     */
    private function makeRequest($endpoint, $payload)
    {
        $url = rtrim($this->baseUrl, '/') . '/' . ltrim($endpoint, '/');

        $curl = curl_init();
        curl_setopt_array($curl, array(
            CURLOPT_URL => $url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_ENCODING => '',
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 0,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
            CURLOPT_CUSTOMREQUEST => 'POST',
            CURLOPT_POSTFIELDS => json_encode($payload),
            CURLOPT_HTTPHEADER => array(
                'Authorization: Bearer ' . $this->token,
                'Content-Type: application/json',
                'Accept: application/json'
            ),
        ));

        $body = curl_exec($curl);
        $statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        $curlError = curl_error($curl);
        curl_close($curl);

        if ($curlError) {
            Log::error("[OdooService] cURL Error to $endpoint: $curlError");
            return [
                'status' => 'error',
                'message' => 'cURL Error: ' . $curlError,
                'error' => null,
                'http_code' => 500
            ];
        }

        $responseData = json_decode($body, true);
        $isSuccess = ($statusCode >= 200 && $statusCode < 300);

        if (!$isSuccess) {
            Log::error("[OdooService] Request to $endpoint failed with status $statusCode", [
                'payload' => $payload,
                'response' => $responseData ?? $body
            ]);
        }

        return [
            'status' => $isSuccess ? 'success' : 'error',
            'http_code' => $statusCode,
            'response' => $responseData ?? $body
        ];
    }

    /**
     * Create Customer
     */
    public function createCustomer(array $payload)
    {
        $endpoint = _env('ODOO_CREATE_CUSTOMER_ENDPOINT', '/api/v1/creadfair/customer/create');
        return $this->makeRequest($endpoint, $payload);
    }

    /**
     * Create JV entry
     * 
     * Payload should contain transaction_number, posting_date, company_name, type, and lines
     */
    public function createJvEntry(array $payload)
    {
        $endpoint = _env('ODOO_CREATE_JV_ENDPOINT', '/api/v1/creadfair/journal/create');
        return $this->makeRequest($endpoint, $payload);
    }

    /**
     * Update JV entry
     * 
     * Payload should contain transaction_number, odoo_move_id, posting_date, and lines
     */
    public function updateJvEntry(array $payload)
    {
        $endpoint = _env('ODOO_UPDATE_JV_ENDPOINT', '/api/v1/creadfair/journal/update');
        return $this->makeRequest($endpoint, $payload);
    }

    /**
     * Cancel JV entry
     * 
     * Payload should contain transaction_number and odoo_move_id
     */
    public function cancelJvEntry(array $payload)
    {
        $endpoint = _env('ODOO_CANCEL_JV_ENDPOINT', '/api/v1/creadfair/journal/cancel');
        return $this->makeRequest($endpoint, $payload);
    }
}