function makeFetchCall(url, data, button) {
  return fetch(url, {
      method: 'POST',
      headers: {
          'Content-Type': 'application/json',
      },
      body: JSON.stringify(data),
  })
  .then(response => response.json())
  .then(data => {
      if (data.success) {
          showSuccessMessage(data.message);
      } else {
          showErrorMessage(data.message);
      }
      button.disabled = false;
  })
  .catch((error) => {
      showErrorMessage(error);
      button.disabled = false;
  });

}

function testSmtpSettingsButton()  {
  const button = document.getElementById("testSmtpSettingsButton");
  button.disabled = true;

  const smtpAddress = document.getElementById("smtpaddress").value;
  const smtpPort = document.getElementById("smtpport").value;
  const encryption = document.querySelector('input[name="encryption"]:checked').value;
  const smtpUsername = document.getElementById("smtpusername").value;
  const smtpPassword = document.getElementById("smtppassword").value;
  const fromEmail = document.getElementById("fromemail").value;

  const data = {
    smtpaddress: smtpAddress,
    smtpport: smtpPort,
    encryption: encryption,
    smtpusername: smtpUsername,
    smtppassword: smtpPassword,
    fromemail: fromEmail
  };

  makeFetchCall('endpoints/notifications/testemailnotifications.php', data, button);
}

function saveSmtpSettingsButton() {
  const button = document.getElementById("saveSmtpSettingsButton");
  button.disabled = true;

  const smtpAddress = document.getElementById("smtpaddress").value;
  const smtpPort = document.getElementById("smtpport").value;
  const encryption = document.querySelector('input[name="encryption"]:checked').value;
  const smtpUsername = document.getElementById("smtpusername").value;
  const smtpPassword = document.getElementById("smtppassword").value;
  const fromEmail = document.getElementById("fromemail").value;

  const data = {
    smtpaddress: smtpAddress,
    smtpport: smtpPort,
    encryption: encryption,
    smtpusername: smtpUsername,
    smtppassword: smtpPassword,
    fromemail: fromEmail
  };

  fetch('endpoints/admin/savesmtpsettings.php', {
      method: 'POST',
      headers: {
          'Content-Type': 'application/json',
      },
      body: JSON.stringify(data),
  })
  .then(response => response.json())
  .then(data => {
      if (data.success) {
          const emailVerificationCheckbox = document.getElementById('requireEmail');
          emailVerificationCheckbox.disabled = false;
          showSuccessMessage(data.message);
      } else {
          showErrorMessage(data.message);
      }
      button.disabled = false;
  })
  .catch((error) => {
      showErrorMessage(error);
      button.disabled = false;
  });

}

function backupDB() {
  const button = document.getElementById("backupDB");
  button.disabled = true;

  fetch('endpoints/db/backup.php')
    .then(response => response.json())
    .then(data => {
      if (data.success) {
        const link = document.createElement('a');
        const filename = data.file;
        link.href = '.tmp/' + filename;
        const date = new Date();
        const year = date.getFullYear();
        const month = String(date.getMonth() + 1).padStart(2, '0');
        const day = String(date.getDate()).padStart(2, '0');
        const hours = String(date.getHours()).padStart(2, '0');
        const minutes = String(date.getMinutes()).padStart(2, '0');
        const timestamp = `${year}${month}${day}-${hours}${minutes}`;
        link.download = `Wallos-Backup-${timestamp}.zip`;
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);

        button.disabled = false;
      } else {
        showErrorMessage(data.errorMessage);
        button.disabled = false;
      }
    })
    .catch(error => {
      showErrorMessage(error);
      button.disabled = false;
    });
}
  
function openRestoreDBFileSelect() {
  document.getElementById('restoreDBFile').click();
};

function restoreDB() {
  const input = document.getElementById('restoreDBFile');
  const file = input.files[0];

  if (!file) {
    console.error('No file selected');
    return;
  }

  const formData = new FormData();
  formData.append('file', file);

  fetch('endpoints/db/restore.php', {
    method: 'POST',
    body: formData
  })
  .then(response => response.json())
  .then(data => {
    if (data.success) {
      showSuccessMessage(data.message)
      window.location.href = 'logout.php';
    } else {
      showErrorMessage(data.message);
    }
  })
  .catch(error => showErrorMessage('Error:', error));
}

function saveAccountRegistrationsButton () {
  const button = document.getElementById('saveAccountRegistrations');
  button.disabled = true;

  const open_registrations = document.getElementById('registrations').checked ? 1 : 0;
  const max_users = document.getElementById('maxUsers').value;
  const require_email_validation = document.getElementById('requireEmail').checked ? 1 : 0;
  const server_url = document.getElementById('serverUrl').value;

  const data = {
    open_registrations: open_registrations,
    max_users: max_users,
    require_email_validation: require_email_validation,
    server_url: server_url
  };

  fetch('endpoints/admin/saveopenregistrations.php', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(data)
  })
  .then(response => response.json())
  .then(data => {
    if (data.success) {
      showSuccessMessage(data.message);
      button.disabled = false;
    } else {
      showErrorMessage(data.message);
      button.disabled = false;
    }
  })
  .catch(error => {
    showErrorMessage(error);
    button.disabled = false;
  });
}

function removeUser(userId) {
  const data = {
    userId: userId
  };

  fetch('endpoints/admin/deleteuser.php', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(data)
  })
  .then(response => response.json())
  .then(data => {
    if (data.success) {
      showSuccessMessage(data.message);
      const userContainer = document.querySelector(`.form-group-inline[data-userid="${userId}"]`);
      if (userContainer) {
        userContainer.remove();
      }
    } else {
      showErrorMessage(data.message);
    }
  })
  .catch(error => showErrorMessage('Error:', error));

}