var GrainStore = require('grainstore');


// fully default.
var mmls = new GrainStore.MMLStore();
var mmlb = mmls.mml_builder({dbname: 'my_database', table:'my_table'}, function(err, payload) {
	mmlb.toXML(function(err, data){
	  console.log(data); // => Mapnik XML for your database with default styles
	}); 
});


// custom redis and pg settings.
var mmls = new GrainStore.MMLStore({host:'10.0.0.1'}); 

var render_target = {
  dbname: 'my_db', 
  table:'my_tb', 
  sql:'select * from my_tb where age < 100'
}

// see mml_store.js for more customisation detail 
var mapnik_config = {
  Map: {srid: 4326},
  Datasource: {
    user: "postgres",
    geometry_field: "my_geom"
  }   
}

mmlb = mmls.mml_builder(render_target, mapnik_config, function(err, payload) {
	mmlb.toXML(function(err, data){
	  console.log(data); // => Mapnik XML of custom database with default style
	}); 
});



// custom styles.
var mmls = new GrainStore.MMLStore();
var mmlb = mmls.mml_builder({dbname: 'my_database', table:'my_table'},
function(err, payload)
{
	var my_style = "#my_table{marker-fill: #FF6600;}"

	mmlb.setStyle(my_style, function(err, data){
	  if err throw err; // any Carto Compile errors
	  
	  mmlb.toMML(function(err, data){
	    console.log(data) // => Carto ready MML
	  }); 
	  
	  mmlb.toXML(function(err, data){
	    console.log(data); // => Mapnik XML of database with custom style
	  }); 
	  
	  mmlb.getStyle(function(err, data){
	    console.log(data); // => "#my_table{marker-fill: #FF6600;}"
	  });
	});
});