/*

Copyright (C) 2016 Apple Inc. All Rights Reserved.

See LICENSE.txt for this sample’s licensing information

Abstract:

The discoverability sample code with some helper functions to render the userInfo inside a table and some forms

    to accept user input.

*/

CKCatalog.tabs['discoverability'] = (function() {

  var createUserInfoTable = function(userRecordName,firstName,lastName,emailAddress) {

    var table = (new CKCatalog.Table)

      .setTextForUndefinedValue('PRIVATE')

      .appendRow('userRecordName',userRecordName)

      .appendRow('firstName',firstName)

      .appendRow('lastName',lastName)

      .appendRow('emailAddress',emailAddress);

    return table.el;

  };

  var renderUserInfo = function(title,userRecordName,firstName,lastName,emailAddress) {

    // Add the user id to the recordName input form for convenience.

    recordNameInputForm.fields['record-name'].value = userRecordName;

    // Now render the info.

    var heading = document.createElement('h2');

    heading.textContent = title;

    var table = createUserInfoTable(userRecordName,firstName,lastName,emailAddress);

    var content = document.createElement('div');

    content.appendChild(heading);

    content.appendChild(table);

    return content;

  };

  var createUserInfosTable = function(userInfos) {

    var table = new CKCatalog.Table([

      'userRecordName', 'firstName', 'lastName', 'emailAddress'

    ]).setTextForUndefinedValue('PRIVATE')

      .setTextForEmptyRow('No discovered users');

    if(userInfos.length) {

      userInfos.forEach(function(userInfo) {

        table.appendRow([

          userInfo.userRecordName,

          userInfo.firstName,

          userInfo.lastName,

          userInfo.emailAddress

        ]);

      });

    } else {

      table.appendRow([]);

    }

    return table.el;

  };

  var renderUserInfos = function(title,userInfos) {

    var heading = document.createElement('h2');

    heading.textContent = title;

    var table = createUserInfosTable(userInfos);

    var content = document.createElement('div');

    content.appendChild(heading);

    content.appendChild(table);

    return content;

  };

  var emailInputForm = (new CKCatalog.Form('discover-by-email-address-form'))

    .addInputField({

      type: 'email',

      placeholder: 'Email address',

      name: 'email',

      label: 'emailAddress:',

      value: 'my_discoverable_user@icloud.com'

    });

  var recordNameInputForm = (new CKCatalog.Form('discover-by-user-record-name'))

    .addInputField({

      type: 'text',

      placeholder: 'User record name',

      name: 'record-name',

      label: 'userRecordName:',

      value: ''

    });

  var fetchUserInfoSample = {

    title: 'fetchUserInfo',

    sampleCode: function demoFetchUserInfo() {

      var container = CloudKit.getDefaultContainer();

      // Fetch user's info.

      return container.fetchUserInfo()

        .then(function(userInfo) {

          var title = 'UserInfo for current '+

            (userInfo.isDiscoverable ? 'discoverable' : 'non-discoverable')+

            ' user:';

          // Render the user's info.

          return renderUserInfo(

            title,

            userInfo.userRecordName, // The user's opaque ID.

            userInfo.firstName, // This will be undefined when the user is not

                                // discoverable.

            userInfo.lastName, // As will this.

            userInfo.emailAddress // This is undefined unless discovering userInfo by

                                  // emailAddress (see the related sample).

          );

        });

    }

  };

  var discoverAllContactUserInfosSample = {

    title: 'discoverAllContactUserInfos',

    sampleCode: function demoDiscoverAllContactUserInfos() {

      var container = CloudKit.getDefaultContainer();

      return container.discoverAllContactUserInfos().then(function(response) {

        if(response.hasErrors) {

          // Handle the errors in your app.

          throw response.errors[0];

        } else {

          var title = 'Discovered users from your iCloud contacts:';

          // response.users is an array of userInfo objects.

          return renderUserInfos(title, response.users);

        }

      });

    }

  };

  var discoverUserInfoWithEmailAddressSample = {

    title: 'discoverUserInfoWithEmailAddress',

    form: emailInputForm,

    run: function() {

      var emailAddress = this.form.fields['email'].value;

      return this.sampleCode(emailAddress);

    },

    sampleCode: function demoDiscoverUserInfoWithEmailAddress(emailAddress) {

      var container = CloudKit.getDefaultContainer();

      return container.discoverUserInfoWithEmailAddress(emailAddress)

        .then(function(response) {

          if(response.hasErrors) {

            // Handle the errors in your app.

            throw response.errors[0];

          } else {

            var title = 'Discovered users by email address:';

            return renderUserInfos(title, response.users);

          }

        });

    }

  };

  var discoverUserInfoWithUserRecordNameSample = {

    title: 'discoverUserInfoWithUserRecordName',

    form: recordNameInputForm,

    run: function() {

      var recordName = this.form.fields['record-name'].value;

      return this.sampleCode(recordName);

    },

    sampleCode: function demoDiscoverUserInfoWithUserRecordName(userRecordName) {

      var container = CloudKit.getDefaultContainer();

      return container.discoverUserInfoWithUserRecordName(userRecordName)

        .then(function(response) {

          if(response.hasErrors) {

            // Handle the errors in your app.

            throw response.errors[0];

          } else {

            var title = 'Discovered users by record name:';

            return renderUserInfos(title, response.users);

          }

        });

    }

  };

  return [

    fetchUserInfoSample,

    discoverAllContactUserInfosSample,

    discoverUserInfoWithEmailAddressSample,

    discoverUserInfoWithUserRecordNameSample

  ];

})();