var nano = require('nano')('http://localhost:5984');
var logger = require('log4js').getLogger();

var db_name = 'keeper';
var keeper = nano.use(db_name);

var tableList = [
  {
    name: '_design/titles', view: {
    "titles": {
      "map": function(doc) { emit(null, doc.title); }
    }
  }
  }

  , {
    name: '_design/reducedView', view: {
      "reducedView": {
        "map": function(doc) { emit(null, [doc.title, doc.reduced]); }
      }
    }
  }, {
    name: '_design/taglist', view: {
      "taglist": {
        "map": function(doc) { if (doc.type == 1) { emit(null, doc); } }
      }
    }
  }, {
    name: '_design/getAllTags', view: {
      "getAllTags": {
        "map": function(doc) {
          if (doc.tags.list.length > 0) {
            emit(null, doc.tags.list);
          }
        }
      }
    }
  }, {
    name: '_design/getTagByKey', view: {
      "getTagByKey": {
        "map": function(doc) {
          if (doc.tags.list.length > 0) {
            for (var t = 0; t < doc.tags.list.length; t++) {
              emit(doc._id, [doc.tags.list[t], doc.title]);
            }
          }
        }
      }
    }
  },


  {
      name: '_design/pocketList', view: {
        "pocketList": {
          "map":function (doc) { emit(doc._id, {'host':doc.host, 'tn':doc.thumbnail, 'title':doc.title, 'nib':doc.nib, 'tags':doc.tags}); }
        }
      }
    }



];
var killTable = (table) => {

  console.log(table.name);
  keeper.get(table.name, {revs_info: true}, function(err, body) {
    if (err)
      console.log(err);

    if (typeof body !== 'undefined') {

      keeper.destroy(table.name, body._rev, function(_err, _body) {
        if (err) {
          console.log(_err);
        }
        else {
          console.log(table.name + ' deleted');
          console.log(_body);

        }
      });
    }
  });
};

var updateTable = (table) => {

  logger.info(table.name);
  keeper.get(table.name, {revs_info: true}, function(err, body) {
    if (err)
      logger.error(body);

    if (typeof body !== 'undefined') {

      logger.debug(body);
      keeper.insert({_id: body._id, _rev: body._rev, views: table.view},
        function(_err, _body) {
          if (err) {
            logger.error(_err);
          }
          else {
            logger.info(table.name + ' updated');
            logger.info(_body);

          }
        });

    }
    else {
      keeper.insert({
        "views": table.view
      }, table.name, function(error, response) {
        if (error) {
          logger.error(error);
        }
        else {
          logger.info(response);
        }
      });
    }

  });
};

for (var t = 0; t < tableList.length; t++) {
  updateTable(tableList[t]);
}