// Presents existing information about the project to the user.
//
// Various elements of the page *may* be editable if the user has access. This
// will likely be defined by our Project data.
//
// This class should only be relevant when the Location is set to a particular
// project.

var AppActions = require('../actions/AppActions');
var Autosuggest = require('react-autosuggest');
var Location = require('../stores/Location');
var Projects = require('../stores/Projects');
var React = require('react');
var ReactBootstrap = require('react-bootstrap');

var Button = ReactBootstrap.Button;
var FormControls = ReactBootstrap.FormControls;
var Input = ReactBootstrap.Input;
var ListGroup = ReactBootstrap.ListGroup;
var ListGroupItem = ReactBootstrap.ListGroupItem;
var Panel = ReactBootstrap.Panel;
var TabbedArea = ReactBootstrap.TabbedArea;
var TabPane = ReactBootstrap.TabPane;

// Tab pane keys
var DETAILS = 1;
var MEMBERS = 2;

var ProjectDetails = React.createClass({

  getInitialState: function () {
    return {
      project: Location.getLocation().project
    };
  },

  componentDidMount: function() {
    Projects.addMemberAddedListener(this.memberAdded);
    Projects.addMemberAddFailedListener(this.memberAddFailed);
  },

  componentWillUnmount: function() {
    Projects.removeMemberAddedListener(this.memberAdded);
    Projects.removeMemberAddFailedListener(this.memberAddFailed);
  },

  render: function () {
    var details = renderDetails(this);
    var members = renderMembers(this);

    return (
      <Panel>
        <TabbedArea defaultActiveKey={DETAILS}>
          <TabPane eventKey={DETAILS} tab='Details'>
            {details}
          </TabPane>
          <TabPane eventKey={MEMBERS} tab='Members'>
            {members}
          </TabPane>
        </TabbedArea>
      </Panel>
    );
  },

  addUser: function() {
    var user = this.refs.newuser.getValue();
    AppActions.addMemberToProject(this.state.project, user);
  },

  memberAdded: function(project, login) {
    this.setState({ project: project });
  },

  memberAddFailed: function(project, login) {
    alert('Could not add member ' + login);
  }
});

//-----------------------------------------------------------------------------
// Local (private) methods
//-----------------------------------------------------------------------------

function renderDetails(comp) {
  var location = 'No location defined';

  var branch = comp.state.project.branches[0];
  if (branch) {
    if (comp.state.project.branches[0].stream) {
      location = comp.state.project.branches[0].stream;
    } else {
      location = comp.state.project.branches[0].view.depot_path;
    }
  }

  return (
    <div>
      <FormControls.Static label='Project Name'
                           value={comp.state.project.name}/>
      <FormControls.Static label='Description'
                           value={comp.state.project.description}/>
      <FormControls.Static label='Location' value={location}/>
    </div>
  );
}

//function getSuggestions(comp, members) {
//  return function (input, callback) {
//    var regex = new RegExp('^' + input, 'i');
//    var items = members.filter(function (m) {
//      return regex.test(m);
//    });
//    setTimeout(function () {
//      callback(null, items);
//    });
//  }
//}

// TODO this might eventually be it's own component
function renderMembers(comp) {
  // TODO eventually we want a 'users' store that pulls actual names

  var members = [comp.state.project.owner].concat(comp.state.project.members);
  members.sort(function (a, b) {
    return a.localeCompare(b);
  });

  var memberItems = members.map(function (m) {
    return (
      <ListGroupItem key={"member-" + m}>{m}</ListGroupItem>
    );
  });

  return (
    <div>
      <ListGroup>
        {memberItems}
      </ListGroup>
      <Input ref='newuser' type='text' label='Add User' placeholder='Enter login' />
      <Button right onClick={comp.addUser}>Add user</Button>
    </div>
  );
}

module.exports = ProjectDetails;