/**
 * URL used to access Neo4j REST API to execute queries.
 * Update this parameter to your running server instance.
 *
 * For more information on Neo4J REST API the documentation is available here: http://neo4j.com/docs/stable/rest-api-cypher.html
 */
popoto.rest.CYPHER_URL = "https://ismi-dev.mpiwg-berlin.mpg.de/neo4j-ismi/db/data/transaction/commit";
//popoto.rest.CYPHER_URL = "http://localhost:7474/db/data/transaction/commit";

/**
 * Add this authorization property if your Neo4j server uses basic HTTP authentication.
 * The value of this property must be "Basic <payload>", where "payload" is a base64 encoded string of "username:password".
 *
 * "btoa" is a JavaScript function that can be used to encode the user and password value in base64 but it is recommended to directly use the Base64 value.
 *
 *  For example Base64 encoding value of "neo4j:password" is "bmVvNGo6cGFzc3dvcmQ="
 */
popoto.rest.AUTHORIZATION = "Basic " + btoa("neo4j:neo5j");
//popoto.rest.AUTHORIZATION = "Basic " + btoa("neo4j:eagrussell");

/**
 * These functions fill the predefinedConstraints array for "PERSON"
 * Called when the filter button is hit
 *
 * Uses the text box implementation currently
 */
    // TODO: finish textbox implementation as backup
    // have single filter button which on click sets constraints equal to d3.select("#constraintNUMBS)[0][0].value
    // for a bunch of spots in the array
    // will have to create only 1 d3.select
    // the d3.select will need to know what constraints to pull from input boxes based on ids related to whether they
    // are person/codex/witness/etc attributes and put them into the corresponding arrays
    // personPredefinedConstraints codexPreDef
var personPredefinedConstraints = [];
var codexPredefinedConstraints = [];
var witnessPredefinedConstraints = [];
d3.select("#filter-button").on("click", function (d) {
    personPredefinedConstraints = [];
    codexPredefinedConstraints = [];
    witnessPredefinedConstraints = [];

    var person1 = d3.select("#person-constraint")[0][0].value;
    var person2 = d3.select("#person-constraint2")[0][0].value;

    var codex1 = d3.select("#codex-constraint")[0][0].value;
    var codex2 = d3.select("#codex-constraint2")[0][0].value;

    var witness1 = d3.select("#witness-constraint")[0][0].value;
    var witness2 = d3.select("#witness-constraint2")[0][0].value;

    if (person1.substring(person1.indexOf('"')+1,person1.lastIndexOf('"'))) personPredefinedConstraints.push(person1);
    if (person2.substring(person2.indexOf('"')+1,person2.lastIndexOf('"'))) personPredefinedConstraints.push(person2);

    if (codex1.substring(codex1.indexOf('"')+1,codex1.lastIndexOf('"'))) codexPredefinedConstraints.push(codex1);
    if (codex2.substring(codex2.indexOf('"')+1,codex2.lastIndexOf('"'))) codexPredefinedConstraints.push(codex2);

    if (witness1.substring(witness1.indexOf('"')+1,witness1.lastIndexOf('"'))) witnessPredefinedConstraints.push(witness1);
    if (witness2.substring(witness2.indexOf('"')+1,witness2.lastIndexOf('"'))) witnessPredefinedConstraints.push(witness2);

    // Recreate taxonomies panel
    d3.select("#" + popoto.taxonomy.containerId).selectAll("ul").data([]).exit().remove();
    popoto.taxonomy.createTaxonomyPanel();

    popoto.tools.reset();
});

d3.select("#clear-button").on("click", function (d) {
    personPredefinedConstraints = [];
    codexPredefinedConstraints = [];
    witnessPredefinedConstraints = [];

    // Recreate taxonomies panel
    d3.select("#" + popoto.taxonomy.containerId).selectAll("ul").data([]).exit().remove();
    popoto.taxonomy.createTaxonomyPanel();

    popoto.tools.reset();
});


/**
 * Define the Label provider you need for your application.
 * This configuration is mandatory and should contain at least all the labels you could find in your graph model.
 *
 * In this alpha version only nodes with a label are supported.
 *
 * By default If no attributes are specified Neo4j internal ID will be used.
 * These label provider configuration can be used to customize the node display in the graph.
 * See www.popotojs.com or example for more details on available configuration options.
 */
// TODO: add in predefined constraint functions for other nodeProviders
popoto.provider.nodeProviders = {
    "CODEX": {
        "returnAttributes": ["label", "ismi_id", "identifier"],
        "displayAttribute": "label",
        "getPredefinedConstraints": function (node) {
            return codexPredefinedConstraints;
        },
    },
    "WITNESS": {
        "returnAttributes": ["label", "ismi_id", "folios"],
        "displayAttribute": "label",
        "getPredefinedConstraints": function (node) {
            return witnessPredefinedConstraints;
        },
    },
    "TEXT": {
        "returnAttributes": ["label", "full_title", "ismi_id"],
        "displayAttribute": "label",
        //"getPredefinedConstraints": function (node) {
        //    return textPredefinedConstraints;
        //},
    },
    "PERSON": {
        "returnAttributes": ["label", "ismi_id", "death_date_text", "url"],
        "displayAttribute": "label",
        "getPredefinedConstraints": function (node) {
            return personPredefinedConstraints;
        },
    },
    "REPOSITORY": {
        "returnAttributes": ["label", "ismi_id"],
        "displayAttribute": "label",
        //"getPredefinedConstraints": function (node) {
        //    return repositoryPredefinedConstraints;
        //},
    },
    "FLORUIT_DATE": {
    	"isSearchable": false,
        //"getPredefinedConstraints": function (node) {
        //    return floruitPredefinedConstraints;
        //},
    }
};

/**
 * Popoto label provider
 * Define the label provider used to customize the link displayed text:
 */
// TODO: ensure these cover all the different relations. Commented out for now.
/*
popoto.provider.linkProvider = {

    // Customize the text displayed on links:
    "getLinkTextValue": function (link) {

        // The links labels are just changed in lower case in this example.
        // But it is possible to use a localization mechanism here to replace values.
        if (link.type === popoto.graph.link.LinkTypes.RELATION) {

            if (link.source.label == "PERSON") {
                switch (link.label) {
                    case "was_student_of":
                        return "was student of";
                    case "is_prime_alias_name_of":
                        return "is prime alias name of";
                    case "was_born_in":
                        return "was born in";
                    case "lived_in":
                        return "lived in";
                    case "has_role":
                        return "has role";
                    case "has_floruit_date":
                        return "has floruit date";
                    case "died_in":
                        return "died in";
                    default :
                        return ""
                }
            }
            if (link.source.label == "CODEX") {
                switch (link.label) {
                    case "owned_by":
                        return "owned by";
                    case "is_alias_of":
                        return "is alias of";
                    case "is_part_of":
                        return "is part of";
                }
            }
            if (link.source.label == "WITNESS") {
                switch (link.label) {
                    case "was_copied_in":
                        return "was copied in";
                    case "was_studied_by":
                        return "was studied by";
                    case "had_patron":
                        return "had patron";
                    case "is_part_of":
                        return "is part of";
                    case "is_exemplar_of":
                        return "is exemplar of";
                    case "has_title_written_as":
                        return "has title written as";
                    case "has_author_written_as":
                        return "as author written as";
                    case "was_copied_by":
                        return "was copied by";
                }
            }
            if (link.source.label == "PLACE") {
                switch (link.label) {
                    case "is_part_of":
                        return "is part of";
                    case "is_in":
                        return "is in";
                }
            }
        } else {
            return popoto.provider.getSemanticValue(link.target);
        }
    }

};
*/







//d3.select("#clear-button").on("click", function (d) {
//    popoto.graph.node.expandNode()
//});

//take d3.select of any click that calls popoto.graph.node.expandNode()
// make sure to search in popoto.js what kind of events trigger the expandNode fn
//
// on these events, instead of executing the normal expandNode function, call a modified function that will generate an
//   html table with the required results. Still maintaining the info being sent to results but ensuring that what is
//   displayed is thrown into a table.

// to override the popoto.graph.node.expandNode() fn just use:

// Expand Override
var tableArray = [];
(function() {
    var oldVersionExpand = popoto.graph.node.expandNode;
    popoto.graph.node.expandNode = function(clickedNode) {
        console.log("NODES OPEN");
        //var result = oldVersionExpand.apply(this, arguments);
        // do some more stuff
        //return result;

        var dataToAdd = clickedNode.data;
        // Then each node is created
        var i = 1;
        dataToAdd.forEach(function (d) {
            // for each of these bits of data make sure to add the id and the attributes into the html list
            var nx = clickedNode.x;
            var ny = clickedNode.y;

            var node = {
                "id": (++popoto.graph.node.idgen),
                "parent": clickedNode,
                "attributes": d,
                "type": popoto.graph.node.NodeTypes.VALUE,
                "label": clickedNode.label,
                "count": d.count,
                "x": nx,
                "y": ny,
                "internalID": d[popoto.query.NEO4J_INTERNAL_ID.queryInternalName]
            };

            popoto.graph.force.nodes().push(node);
            // add this node to an array of node values
            // popoto.graph.force.nodes().push(node);
            tableArray.push(node);

            var dd = document.getElementById("dropdown");
            var newListOption = document.createElement("option");

            // TODO: Haven't been able to
            newListOption.text = node.internalID;
            console.log(node.internalID);
            dd.add(newListOption);

            i++;
        });

        $('#dropdown').attr('style','visibility: visible; overflow: scroll; position: fixed; left: '+clickedNode.x+'px; bottom: '+clickedNode.y+'px; z-index: 10;');
        //$('#dropdown').attr('style','visibility: visible; overflow: scroll; position: fixed;');

        // Pin clicked node and its parent to avoid the graph to move for selection, only new value nodes will blossom around the clicked node.
        clickedNode.fixed = true;

        if (clickedNode.parent && clickedNode.parent.type !== popoto.graph.node.NodeTypes.ROOT) {
            clickedNode.parent.fixed = true;
        }
        // Change node state
        clickedNode.valueExpanded = true;
        popoto.update();

    };
})();

// Collapse Override
(function() {
    popoto.graph.node.collapseNode = function(clickedNode) {

        if (clickedNode.valueExpanded) { // node is collapsed only if it has been expanded first
            console.log("NODES CLOSED");

            popoto.logger.debug("collapseNode (" + clickedNode.label + ")");

            // Node has been fixed when expanded so we unfix it back here.
            if (clickedNode.type !== popoto.graph.node.NodeTypes.ROOT) {
                clickedNode.fixed = false;
            }

            // Parent node too if not root
            if (clickedNode.parent && clickedNode.parent.type !== popoto.graph.node.NodeTypes.ROOT) {
                clickedNode.parent.fixed = false;
            }

            clickedNode.valueExpanded = false;
            popoto.update();

            $('#dropdown').attr('style','visibility: hidden; overflow: scroll; position: fixed;');
            //TODO: need to delete existing options
            var x = document.getElementById("dropdown");
            for (i=x.length; i > 0; i--) {
                if (x.length > 1) {
                    x.remove(x.length-1);
                }
            }

        } else {
            popoto.logger.debug("collapseNode called on an unexpanded node");
        }
    };
})();


d3.select("#dropdown").on("change", function (d) {
    if (document.getElementById('dropdown').value != '- Select -') {
        console.log(document.getElementById('dropdown').value);
        popoto.graph.node.valueNodeClick(document.getElementById('dropdown').value);
    }
});
// Value click override
(function() {
    popoto.graph.node.valueNodeClick = function(selectValue) {
        console.log("NODE SELECTED");

        popoto.logger.debug("valueNodeClick (" + selectValue.label + ")");
        // change this next line to take the node id from the table and pull it from the nodes list

        var clickedNode;
        for (i in tableArray) {
            if (i.label == selectValue) {
                clickedNode = i;
            }
        }

        clickedNode.parent.value = clickedNode;
        popoto.result.hasChanged = true;
        popoto.graph.hasGraphChanged = true;

        popoto.graph.node.collapseNode(clickedNode.parent);
    };
})();


/**
 * Here a listener is used to retrieve the total results count and update the page accordingly.
 * This listener will be called on every graph modification.
 */
popoto.result.onTotalResultCount(function (count) {
    document.getElementById("result-total-count").innerHTML = "(" + count + ")";
});

/**
 * The number of results returned can be changed with the following parameter.
 * Default value is 100.
 *
 * Note that in this current alpha version no pagination mechanism is available in displayed results
 */
popoto.query.RESULTS_PAGE_SIZE = 1000;


/**
 * For the alpha version, popoto.js has been generated with debug traces you can activate with the following properties:
 * The value can be one in DEBUG, INFO, WARN, ERROR, NONE.
 *
 * With INFO level all the executed cypher query can be seen in the navigator console.
 * Default is NONE
 */
popoto.logger.LEVEL = popoto.logger.LogLevels.INFO;

/**
 * Start popoto.js generation.
 * The function requires the label to use as root element in the graph.
 */
popoto.start("PERSON");

/* do not zoom with scroll wheel */
popoto.graph.WHEEL_ZOOM_ENABLED = false;

/* show source and target relations */
popoto.query.USE_RELATION_DIRECTION = true;