#!/usr/bin/php
<?php

/*

Copyright:: 2013, Sebastian Grewe

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

 */

// Change to working directory
chdir(dirname(__FILE__));

// Include all settings and classes
require_once('shared.inc.php');

if ($setting->getValue('disable_payouts') == 1) {
  $log->logInfo(" payouts disabled via admin panel");
  $monitoring->endCronjob($cron_name, 'E0009', 0, true, false);
}

if ($bitcoin->can_connect() !== true) {
  $log->logFatal(" unable to connect to RPC server, exiting");
  $monitoring->endCronjob($cron_name, 'E0006', 1, true);
}

if ($setting->getValue('disable_manual_payouts') != 1) {
  // Fetch outstanding payout requests
  $aPayouts = $oPayout->getUnprocessedPayouts();
  if (count($aPayouts > 0)) $log->logDebug(" found " . count($aPayouts) . " queued manual payout requests");

  if (count($aPayouts) > 0) {
    $log->logInfo("\tAccount ID\tUsername\tBalance\t\tCoin Address");
    foreach ($aPayouts as $aData) {
      $aBalance = $transaction->getBalance($aData['account_id']);
      $dBalance = $aBalance['confirmed'];
      $aData['coin_address'] = $user->getCoinAddress($aData['account_id']);
      $aData['username'] = $user->getUserName($aData['account_id']);
      if ($dBalance > $config['txfee_manual']) {
        // To ensure we don't run this transaction again, lets mark it completed
        if (!$oPayout->setProcessed($aData['id'])) {
          $log->logFatal('unable to mark transactions ' . $aData['id'] . ' as processed.');
          $monitoring->endCronjob($cron_name, 'E0010', 1, true);
        }

        $log->logInfo("\t" . $aData['account_id'] . "\t\t" . $aData['username'] . "\t" . $dBalance . "\t\t" . $aData['coin_address']);
        try {
          $aStatus = $bitcoin->validateaddress($aData['coin_address']);
          if (!$aStatus['isvalid']) {
            $log->logError('Failed to verify this users coin address, skipping payout');
            continue;
          }
        } catch (Exception $e) {
          $log->logError('Failed to verify this users coin address, skipping payout');
          continue;
        }
        try {
          $txid = $bitcoin->sendtoaddress($aData['coin_address'], $dBalance - $config['txfee_manual']);
        } catch (Exception $e) {
          $log->logError('Failed to send requested balance to coin address, please check payout process. Does the wallet cover the amount? Error:' . $e->getMessage());
          continue;
        }

        if ($transaction->addTransaction($aData['account_id'], $dBalance - $config['txfee_manual'], 'Debit_MP', NULL, $aData['coin_address'], $txid) && $transaction->addTransaction($aData['account_id'], $config['txfee_manual'], 'TXFee', NULL, $aData['coin_address'])) {
          // Mark all older transactions as archived
          if (!$transaction->setArchived($aData['account_id'], $transaction->insert_id))
            $log->logError('Failed to mark transactions for #' . $aData['account_id'] . ' prior to #' . $transaction->insert_id . ' as archived');
          // Notify user via  mail
          $aMailData['email'] = $user->getUserEmail($user->getUserName($aData['account_id']));
          $aMailData['subject'] = 'Manual Payout Completed';
          $aMailData['amount'] = $dBalance - $config['txfee_manual'];
          $aMailData['payout_id'] = $aData['id'];
          if (!$notification->sendNotification($aData['account_id'], 'manual_payout', $aMailData))
            $log->logError('Failed to send notification email to users address: ' . $aMailData['email']);
          // Recheck the users balance to make sure it is now 0
          $aBalance = $transaction->getBalance($aData['account_id']);
          if ($aBalance['confirmed'] > 0) {
            $log->logFatal('User has a remaining balance of ' . $aBalance['confirmed'] . ' after a successful payout!');
            $monitoring->endCronjob($cron_name, 'E0065', 1, true);
          }
        } else {
          $log->logFatal('Failed to add new Debit_MP transaction in database for user ' . $user->getUserName($aData['account_id']));
          $monitoring->endCronjob($cron_name, 'E0064', 1, true);
        }
      }

    }
  }
} else {
  $log->logDebug("Manual payouts are disabled via admin panel");
}

if ($setting->getValue('disable_auto_payouts') != 1) {
  // Fetch all users balances
  $users = $transaction->getAPQueue();
  if (count($users) > 0) $log->logDebug(" found " . count($users) . " queued payout(s)");

  // Go through users and run transactions
  if (! empty($users)) {
    $log->logInfo("\tUserID\tUsername\tBalance\tThreshold\tAddress");

    foreach ($users as $aUserData) {
      $dBalance = $aUserData['confirmed'];
      $log->logInfo("\t" . $aUserData['id'] . "\t" . $aUserData['username'] . "\t" . $dBalance . "\t" . $aUserData['ap_threshold'] . "\t\t" . $aUserData['coin_address']);

      // Only run if balance meets threshold and can pay the potential transaction fee
      if ($dBalance > $aUserData['ap_threshold'] && $dBalance > $config['txfee_auto']) {
        // Validate address against RPC
        try {
          $aStatus = $bitcoin->validateaddress($aUserData['coin_address']);
          if (!$aStatus['isvalid']) {
            $log->logError('Failed to verify this users coin address, skipping payout');
            continue;
          }
        } catch (Exception $e) {
          $log->logError('Failed to verify this users coin address, skipping payout');
          continue;
        }

        // Send balance, fees are reduced later by RPC Server
        try {
          $txid = $bitcoin->sendtoaddress($aUserData['coin_address'], $dBalance - $config['txfee_auto']);
        } catch (Exception $e) {
          $log->logError('Failed to send requested balance to coin address, please check payout process. Does the wallet cover the amount?');
          continue;
        }

        // Create transaction record
        if ($transaction->addTransaction($aUserData['id'], $dBalance - $config['txfee_auto'], 'Debit_AP', NULL, $aUserData['coin_address'], $txid) && $transaction->addTransaction($aUserData['id'], $config['txfee_auto'], 'TXFee', NULL, $aUserData['coin_address'])) {
          // Mark all older transactions as archived
          if (!$transaction->setArchived($aUserData['id'], $transaction->insert_id))
            $log->logError('Failed to mark transactions for user #' . $aUserData['id'] . ' prior to #' . $transaction->insert_id . ' as archived');
          // Notify user via  mail
          $aMailData['email'] = $user->getUserEmail($user->getUserName($aUserData['id']));
          $aMailData['subject'] = 'Auto Payout Completed';
          $aMailData['amount'] = $dBalance - $config['txfee_auto'];
          if (!$notification->sendNotification($aUserData['id'], 'auto_payout', $aMailData))
            $log->logError('Failed to send notification email to users address: ' . $aMailData['email']);
          // Recheck the users balance to make sure it is now 0
          $aBalance = $transaction->getBalance($aUserData['id']);
          if ($aBalance['confirmed'] > 0) {
            $log->logFatal('User has a remaining balance of ' . $aBalance['confirmed'] . ' after a successful payout!');
            $monitoring->endCronjob($cron_name, 'E0065', 1, true);
          }
        } else {
          $log->logFatal('Failed to add new Debit_AP transaction in database for user ' . $user->getUserName($aUserData['id']));
          $monitoring->endCronjob($cron_name, 'E0064', 1, true);
        }
      }
    }
  } else {
    $log->logDebug("  no user has configured their AP > 0");
  }
} else {
  $log->logDebug("Auto payouts disabled via admin panel");
}
// Cron cleanup and monitoring
require_once('cron_end.inc.php');
?>