/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This Source Code Form is "Incompatible With Secondary Licenses", as
 * defined by the Mozilla Public License, v. 2.0.
 */

if (typeof(MyDashboard) == 'undefined') {
    var MyDashboard = {};
}

// Main query code
YUI({
    base: 'js/yui3/',
    combine: false, 
    groups: {
        gallery: {
            combine: false,
            base: 'js/yui3/',
            patterns: { 'gallery-': {} }
        }
    }
}).use("node", "datatable", "datatable-sort", "datatable-message", "json-stringify",
       "datatable-datasource", "datasource-io", "datasource-jsonschema", "cookie",
       "gallery-datatable-row-expansion-bmo", "handlebars", "escape", function(Y) {
    var counter          = 0,
        bugQueryTable    = null,
        bugQuery         = null,
        lastChangesQuery = null,
        lastChangesCache = {},
        default_query    = "assignedbugs";

    // Grab last used query name from cookie or use default
    var query_cookie = Y.Cookie.get("my_dashboard_query");
    if (query_cookie) {
        var cookie_value_found = 0;
        Y.one("#query").get("options").each( function() {
            if (this.get("value") == query_cookie) {
                this.set('selected', true);
                default_query = query_cookie;
                cookie_value_found = 1;
            }
        });
        if (!cookie_value_found) {
            Y.Cookie.set("my_dashboard_query", "");
        }
    }

    var bugQuery = new Y.DataSource.IO({ source: 'jsonrpc.cgi' });

    bugQuery.plug(Y.Plugin.DataSourceJSONSchema, {
        schema: {
            resultListLocator: "result.result.bugs",
            resultFields: ["bug_id", "changeddate", "changeddate_fancy",
                           "bug_status", "short_desc", "changeddate_api" ],
            metaFields: {
                description: "result.result.description",
                heading:     "result.result.heading",
                buffer:      "result.result.buffer",
                mark_read:   "result.result.mark_read"
            }
        }
    });

    bugQuery.on('error', function(e) {
        try {
            var response = Y.JSON.parse(e.data.responseText);
            if (response.error)
                e.error.message = response.error.message;
        } catch(ex) {
            // ignore
        }
    });

    var bugQueryCallback = {
        success: function(e) {
            if (e.response) {
                Y.one('#query_count_refresh').removeClass('bz_default_hidden');
                Y.one("#query_container .query_description").setHTML(e.response.meta.description);
                Y.one("#query_container .query_heading").setHTML(e.response.meta.heading);
                Y.one("#query_bugs_found").setHTML(
                    '<a href="buglist.cgi?' + e.response.meta.buffer +
                    '" target="_blank">' + e.response.results.length + ' bugs found</a>');
                bugQueryTable.set('data', e.response.results);

                var mark_read = e.response.meta.mark_read;
                if (mark_read) {
                    Y.one('#query_markread').setHTML( mark_read );
                    Y.one('#bar_markread').removeClass('bz_default_hidden');
                    Y.one('#query_markread_text').setHTML( mark_read );
                    Y.one('#query_markread').removeClass('bz_default_hidden');
                }
                else {
                    Y.one('#bar_markread').addClass('bz_default_hidden');
                    Y.one('#query_markread').addClass('bz_default_hidden');
                }
                Y.one('#query_markread_text').addClass('bz_default_hidden');
            }
        },
        failure: function(o) {
            if (o.error) {
                alert("Failed to load bug list from Bugzilla:\n\n" + o.error.message);
            } else {
                alert("Failed to load bug list from Bugzilla.");
            }
        }
    };

    var updateQueryTable = function(query_name) {
        if (!query_name) return;

        counter = counter + 1;
        lastChangesCache = {};

        Y.one('#query_count_refresh').addClass('bz_default_hidden');
        bugQueryTable.set('data', []);
        bugQueryTable.render("#query_table");
        bugQueryTable.showMessage('loadingMessage');

        var bugQueryParams = {
            version: "1.1",
            method:  "MyDashboard.run_bug_query",
            id:      counter,
            params:  { query : query_name,
                       Bugzilla_api_token : (BUGZILLA.api_token ? BUGZILLA.api_token : '')
            }
        };

        bugQuery.sendRequest({
            request: Y.JSON.stringify(bugQueryParams),
            cfg: {
                method:  "POST",
                headers: { 'Content-Type': 'application/json' }
            },
            callback: bugQueryCallback
        });
    };

    var updatedFormatter = function(o) {
        return '<span title="' + Y.Escape.html(o.value) + '">' +
               Y.Escape.html(o.data.changeddate_fancy) + '</span>';
    };


    lastChangesQuery = new Y.DataSource.IO({ source: 'jsonrpc.cgi' });

    lastChangesQuery.plug(Y.Plugin.DataSourceJSONSchema, {
        schema: {
            resultListLocator: "result.results",
            resultFields: ["last_changes"],
        }
    });

    lastChangesQuery.on('error', function(e) {
        try {
            var response = Y.JSON.parse(e.data.responseText);
            if (response.error)
                e.error.message = response.error.message;
        } catch(ex) {
            // ignore
        }
    });

    bugQueryTable = new Y.DataTable({
        columns: [
            { key: Y.Plugin.DataTableRowExpansion.column_key, label: ' ', sortable: false },
            { key: "bug_id", label: "Bug", allowHTML: true, sortable: true,
              formatter: '<a href="show_bug.cgi?id={value}" target="_blank">{value}</a>' },
            { key: "changeddate", label: "Updated", formatter: updatedFormatter,
              allowHTML: true, sortable: true },
            { key: "bug_status", label: "Status", sortable: true },
            { key: "short_desc", label: "Summary", sortable: true },
        ],
    });

    var last_changes_source   = Y.one('#last-changes-template').getHTML(),
        last_changes_template = Y.Handlebars.compile(last_changes_source);

    var stub_source           = Y.one('#last-changes-stub').getHTML(),
        stub_template         = Y.Handlebars.compile(stub_source);


    bugQueryTable.plug(Y.Plugin.DataTableRowExpansion, {
        uniqueIdKey: 'bug_id',
        template: function(data) {
            var bug_id = data.bug_id;

            var lastChangesCallback = {
                success: function(e) {
                    if (e.response) {
                        var last_changes = e.response.results[0].last_changes;
                        last_changes['bug_id'] = bug_id;
                        lastChangesCache[bug_id] = last_changes;
                        Y.one('#last_changes_stub_' + bug_id).setHTML(last_changes_template(last_changes));
                    }
                },
                failure: function(o) {
                    if (o.error) {
                        alert("Failed to load last changes from Bugzilla:\n\n" + o.error.message);
                    } else {
                        alert("Failed to load last changes from Bugzilla.");
                    }
                }
            };

            if (!lastChangesCache[bug_id]) {
                var lastChangesParams = {
                    version: "1.1",
                    method:  "MyDashboard.run_last_changes",
                    params:  {
                        bug_id: data.bug_id,
                        changeddate_api: data.changeddate_api,
                        Bugzilla_api_token : (BUGZILLA.api_token ? BUGZILLA.api_token : '')
                    }
                };

                lastChangesQuery.sendRequest({
                    request: Y.JSON.stringify(lastChangesParams),
                    cfg: {
                        method:  "POST",
                        headers: { 'Content-Type': 'application/json' }
                    },
                    callback: lastChangesCallback
                });

                return stub_template({bug_id: bug_id});
            }
            else {
                return last_changes_template(lastChangesCache[bug_id]);
            }

        }
    });

    bugQueryTable.plug(Y.Plugin.DataTableSort);

    bugQueryTable.plug(Y.Plugin.DataTableDataSource, {
        datasource: bugQuery
    });

    // Initial load
    Y.on("contentready", function (e) {
        updateQueryTable(default_query);
    }, "#query_table");

    Y.one('#query').on('change', function(e) {
        var index = e.target.get('selectedIndex');
        var selected_value = e.target.get("options").item(index).getAttribute('value');
        updateQueryTable(selected_value);
        Y.Cookie.set("my_dashboard_query", selected_value, { expires: new Date("January 12, 2025") });
    });

    Y.one('#query_refresh').on('click', function(e) {
        var query_select = Y.one('#query');
        var index = query_select.get('selectedIndex');
        var selected_value = query_select.get("options").item(index).getAttribute('value');
        updateQueryTable(selected_value);
    });

    Y.one('#query_markread').on('click', function(e) {
        var data = bugQueryTable.data;
        var bug_ids = [];

        Y.one('#query_markread').addClass('bz_default_hidden');
        Y.one('#query_markread_text').removeClass('bz_default_hidden');

        for (var i = 0, l = data.size(); i < l; i++) {
            bug_ids.push(data.item(i).get('bug_id'));
        }
        YAHOO.bugzilla.bugUserLastVisit.update(bug_ids);
        YAHOO.bugzilla.bugInterest.unmark(bug_ids);
    });

    Y.one('#query_buglist').on('click', function(e) {
        var data = bugQueryTable.data;
        var ids = [];
        for (var i = 0, l = data.size(); i < l; i++) {
            ids.push(data.item(i).get('bug_id'));
        }
        var url = 'buglist.cgi?bug_id=' + ids.join('%2C');
        window.open(url, '_blank');
    });
});