module.exports = {
  groupGlobals : null,
  
  checkGroupGlobals : function(hookName) {
    if (hookName && this.groupGlobals) {
      return this.groupGlobals[hookName];
    }

    if (this.test_settings.group_name) {
      try {
        this.groupGlobals = require('../globals/' + this.test_settings.group_name.toLowerCase() + '.js');
        if (hookName) {
          return this.groupGlobals[hookName];
        }
      } catch (err) {
        return false;
      }
    }
    return false;
  },

  endSession : function(client, done) {
    if (client.sessionId) {
      client.end(function() {
        done();
      });
    } else {
      done();
    }
  },

  before: function (done) {
    var beforeGroup = this.checkGroupGlobals('before');

    if (beforeGroup) {
      beforeGroup.call(this, done);
    } else {
      done();
    }
  },

  after: function (done) {
    var afterGroup = this.checkGroupGlobals('before');

    if (afterGroup) {
      afterGroup.call(this, done);
    } else {
      done();
    }
  },

  beforeEach: function (client, done) {
    var beforeGroupEach = this.checkGroupGlobals('beforeEach');

    if (beforeGroupEach) {
      beforeGroupEach.call(this, client, done);
    } else {
      done();
    }
  },

  afterEach : function (client, done) {
    var afterGroupEach = this.checkGroupGlobals('afterEach');

    if (afterGroupEach) {
      afterGroupEach.call(this, client, function() {
        this.endSession(client, done);
      }.bind(this));
    } else {
      this.endSession(client, done);
    }
  }
};