<?php
$job_name = pathinfo(__FILE__, PATHINFO_FILENAME);
echo "[".date("Y-m-d H:i:s")."] ".$job_name." job is starting.\n";
set_time_limit(0); // No limit!

require('../../backend.php');
require('../common/QuoteApi.php');

$httpAuthToken = $savvyext->cfgReadChar('system.oauth2_token');
$encryptionAlg = $savvyext->cfgReadChar('encryption.algorithm');
$encryptionKey = $savvyext->cfgReadChar('encryption.key');
$encryptionIV = $savvyext->cfgReadChar('encryption.iv');

$baseURL = $savvyext->cfgReadChar('system.api_url');

$db_host = $savvyext->cfgReadChar('database.host');
$db_name = $savvyext->cfgReadChar('database.name');
$db_user = $savvyext->cfgReadChar('database.user');
$db_pass = $savvyext->cfgReadChar('database.pass');
$db_port = $savvyext->cfgReadLong('database.port');
$connstr = "host=${db_host} port=${db_port} dbname=${db_name} user=${db_user} password=${db_pass}";
$conn = pg_connect($connstr);

$country = 'SG';
$member_id = 0;

// ComfortDelGro & Gojek
$transport_providers = [4,5];
// Grab
//$transport_providers = [3];

// Step 1: Load batch files
$origins = load_batch_file("batch_quote_file_origins.txt");
$destinations = load_batch_file("batch_quote_file_destinations.txt");

// Step 2: Geocode addresses
$newOrigins = geocode_addresses($origins);
$newDestinations = geocode_addresses($destinations);

// Step 3: Schedule quotes
$checkQuotes = [];
QuoteApi::$job_name = $job_name;
foreach ($newOrigins as $origin_id=>$origin) {
    foreach ($newDestinations as $destination_id=>$destination) {
        foreach ($transport_providers as $transport_provider) {
            $q = "SELECT * FROM quotes ";
            $q.= " WHERE location_start_id=${origin_id} AND location_end_id=${destination_id} ";
            $q.= " AND transport_provider_id=${transport_provider} AND cost>0 ";
            $q.= " ORDER BY completed DESC LIMIT 1";
            $r = pg_query($conn, $q);
            if ($r && pg_num_rows($r) && $f=pg_fetch_assoc($r)) {
                echo "[".date("Y-m-d H:i:s")."] Quote ".$f["cost"]." already exists ID #".$f["id"]."\n";
                continue;
            }
            list($res,$id) = QuoteApi::schedule_quote($origin,$destination,$country,$member_id,$transport_provider);
            if ($res>0) {
                if ($res==2) {
                    echo "[".date("Y-m-d H:i:s")."] Quote complete! ID #${id}\n";
                } else if ($res==1) {
                    echo "[".date("Y-m-d H:i:s")."] Scheduled quote ID #${id}\n";
                    $checkQuotes[] = $id; 
                } else {
                    echo "[".date("Y-m-d H:i:s")."] Unexpected result for ID #${id} ($res)\n";
                }
            } else {
                echo "[".date("Y-m-d H:i:s")."] schedule_quote failed: ${res}.\n";
                echo "[".date("Y-m-d H:i:s")."] $origin,$destination,$country,$member_id,$transport_provider\n";
            }
        }
    }
}

// Step 4: Check quotes
foreach ($checkQuotes as $id) {
    list($res,$cost) = QuoteApi::check_quote($id);
    echo "[".date("Y-m-d H:i:s")."] Checking quote ID #${id} ($res) cost=${cost}\n";
}

function load_batch_file($filename) {
    $results = [];
    $fn = fopen($filename,"r");
    while(! feof($fn))  {
        $result = fgets($fn);
        $results[] = trim($result);
    }
    fclose($fn);
    return $results;
}

function geocode_addresses($addresses) {
    $geocodedAddresses = [];
    foreach ($addresses as $address) {
        $params = [
            "address" => $address,
            "member_id" => 0,
            "country" => "SG"
        ];
        $input = http_build_query($params);
        list($payload,$decrypted,$result,$body) = main_api_get('/trips/api/geocode/?',$input);
        if (is_array($payload) && array_key_exists('geocode',$payload) && is_array($payload['geocode'])
        && array_key_exists('id',$payload['geocode']) && $payload['geocode']['id']>0) {
            $geocodedAddresses[$payload['geocode']['id']] = $payload['geocode']['address'];
        }
    }
    return $geocodedAddresses;
}

function main_api_get($endpoint,$input) {
    global $baseURL, $encryptionAlg, $encryptionKey, $encryptionIV, $httpAuthToken;
    if ($endpoint!="" && $input!="") { // minimal sanity
        sleep(1);
        $url = $baseURL . $endpoint . $input;
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_VERBOSE, false);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'Authorization: Server-Token ' . $httpAuthToken,
                "client_id: BATCH"
            )
        );

        $body = curl_exec($ch);
        $result = json_decode($body,true);

        $decrypted = openssl_decrypt(
            hex2bin(
                $result['payload']
            ),
            $encryptionAlg,
            $encryptionKey,
            OPENSSL_RAW_DATA,
            $encryptionIV
        );
        $payload = json_decode($decrypted, true);
        return [$payload,$decrypted,$result,$body];
    }
    return [NULL,NULL,NULL,NULL];
}

echo "[".date("Y-m-d H:i:s")."] ".$job_name." job complete.\n";