/* [1] Gestion du sociogramme
=========================================================*/
/* (0) On recupere les elements importants */
var SOCIOGRAM = {
	container: document.getElementById('sociogram'),
	sigma: null,

	request: { path: 'charts/network_data' },
	response: null,
	nodes: null,
	edges: null
};
// Initialisation de SIGMA
SOCIOGRAM.sigma = new sigma(SOCIOGRAM.container);

/* (1) On recupere les informations via l'API */
api.send(SOCIOGRAM.request, function(response){
	// Si erreur, on quitte
	if( response.ModuleError != 0 ) return;

	// Sinon on enregistre
	SOCIOGRAM.response = response;


	/* (2) Parametrage de SIGMA */
	SOCIOGRAM.sigma.settings({
			defaultNodeColor: '#ec5148'
		});


	/* (3) On recupere la liste des noeuds */
	SOCIOGRAM.nodes = [];

	// On calcule l'angle min
	var ang = 2*Math.PI / SOCIOGRAM.response.data.alter.length;

	// Pour chaque alter
	for( var i = 0 ; i < SOCIOGRAM.response.data.alter.length ; i++ ){
		SOCIOGRAM.nodes.push({
				'id':    'n-'+SOCIOGRAM.response.data.alter[i][0],
				'label': SOCIOGRAM.response.data.alter[i][1],
				'x':     500+ 100*Math.cos(ang*i),
				'y':     500+ 100*Math.sin(ang*i),
				'size':  SOCIOGRAM.response.data.alter[i][2]/10
			});
	}



	/* (4) On recupere la liste des liens */
	SOCIOGRAM.edges = [];

	for( var i = 0 ; i < SOCIOGRAM.response.data.inter.length ; i++ ){
		SOCIOGRAM.edges.push({
				'id':     'e-'+SOCIOGRAM.response.data.inter[i][0]+'-'+SOCIOGRAM.response.data.inter[i][1],
				'source': 'n-'+SOCIOGRAM.response.data.inter[i][0],
				'target': 'n-'+SOCIOGRAM.response.data.inter[i][1]
			});
	}



	/* (5) On ajoute nos noeuds */
	for( var i = 0 ; i < SOCIOGRAM.nodes.length ; i++)
		SOCIOGRAM.sigma.graph.addNode(SOCIOGRAM.nodes[i]);

	/* (6) On ajoute nos liens */
	for( var i = 0 ; i < SOCIOGRAM.edges.length ; i++)
		SOCIOGRAM.sigma.graph.addEdge(SOCIOGRAM.edges[i]);

	/* (7) Gestion des interactions */


	/* (8) On affiche le graphique */
	SOCIOGRAM.sigma.camera.ratio = 2;
	SOCIOGRAM.sigma.refresh();

});