// TODO: should take a dict of arrays and do it for all keys
function partial_sums(array) {
    var count = 0;
    var cumulative = [];

    for (var i = 0; i < array.length; i += 1) {
        count += array[i];
        cumulative[i] = count;
    }
    return cumulative;
}

// Assumes date is a round number of hours
function floor_to_local_day(date) {
    var date_copy = new Date(date.getTime());
    date_copy.setHours(0);
    return date_copy;
}

// Assumes date is a round number of hours
function floor_to_local_week(date) {
    var date_copy = floor_to_local_day(date);
    date_copy.setHours(-24 * date.getDay());
    return date_copy;
}

function format_date(date, include_hour) {
    var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
                  'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
    var month_str = months[date.getMonth()];
    var year = date.getFullYear();
    var day = date.getDate();
    if (include_hour) {
        var hour = date.getHours();
        var hour_str;
        if (hour === 0) {
            hour_str = '12 AM';
        } else if (hour === 12) {
            hour_str = '12 PM';
        } else if (hour < 12) {
            hour_str = hour + ' AM';
        } else {
            hour_str = (hour-12) + ' PM';
        }
        return month_str + ' ' + day + ', ' + hour_str;
    }
    return month_str + ' ' + day + ', ' + year;
}

function populate_messages_sent_over_time(data) {
    if (data.end_times.length === 0) {
        // TODO: do something nicer here
        return;
    }

    // Helper functions
    function make_traces(dates, values, type, date_formatter) {
        var text = dates.map(function (date) {
            return date_formatter(date);
        });
        var common = { x: dates, type: type, hoverinfo: 'none', text: text };
        return {
            human: $.extend({ // 5062a0
                name: "Humans", y: values.human, marker: {color: '#5f6ea0'}, visible: true}, common),
            bot: $.extend({ // a09b5f bbb56e
                name: "Bots", y: values.bot, marker: {color: '#b7b867'}, visible: 'legendonly'}, common),
        };
    }

    var layout = {
        barmode: 'group',
        width: 750,
        height: 400,
        margin: { l: 40, r: 0, b: 40, t: 0 },
        xaxis: {
            fixedrange: true,
            rangeslider: { bordercolor: '#D8D8D8', borderwidth: 1 },
            type: 'date',
        },
        yaxis: { fixedrange: true, rangemode: 'tozero' },
        legend: {
            x: 0.75, y: 1.12, orientation: 'h',
            font: { family: 'Humbug', size: 14, color: '#000000' },
        },
        font: { family: 'Humbug', size: 14, color: '#000000' },
    };

    function make_rangeselector(x, y, button1, button2) {
        return { x: x, y: y,
                 buttons: [$.extend({stepmode: 'backward'}, button1),
                           $.extend({stepmode: 'backward'}, button2),
                           {step: 'all', label: 'All time'}] };
    }
    var hourly_rangeselector = make_rangeselector(
        0.66, -0.62,
        {count: 24, label: 'Last 24 Hours', step: 'hour'},
        {count: 72, label: 'Last 72 Hours', step: 'hour'});
    // This is also the cumulative rangeselector
    var daily_rangeselector = make_rangeselector(
        0.68, -0.62,
        {count: 10, label: 'Last 10 Days', step: 'day'},
        {count: 30, label: 'Last 30 Days', step: 'day'});
    var weekly_rangeselector = make_rangeselector(
        0.656, -0.62,
        {count: 2, label: 'Last 2 Months', step: 'month'},
        {count: 6, label: 'Last 6 Months', step: 'month'});

    function add_hover_handler() {
        document.getElementById('id_messages_sent_over_time').on('plotly_hover', function (data) {
            document.getElementById('hover_date').innerText =
                data.points[0].data.text[data.points[0].pointNumber];
            var values = [null, null];
            data.points.forEach(function (trace) {
                values[trace.curveNumber] = trace.y;
            });
            if (values[0] !== null) {
                document.getElementById('hover_human').style.display = 'inline';
                document.getElementById('hover_human_value').style.display = 'inline';
                document.getElementById('hover_human_value').innerText = values[0];
            } else {
                document.getElementById('hover_human').style.display = 'none';
                document.getElementById('hover_human_value').style.display = 'none';
            }
            if (values[1] !== null) {
                document.getElementById('hover_bot').style.display = 'inline';
                document.getElementById('hover_bot_value').style.display = 'inline';
                document.getElementById('hover_bot_value').innerText = values[1];
            } else {
                document.getElementById('hover_bot').style.display = 'none';
                document.getElementById('hover_bot_value').style.display = 'none';
            }
        });
    }

    var start_dates = data.end_times.map(function (timestamp) {
        // data.end_times are the ends of hour long intervals.
        return new Date(timestamp*1000 - 60*60*1000);
    });

    function aggregate_data(aggregation) {
        var start;
        var is_boundary;
        if (aggregation === 'day') {
            start = floor_to_local_day(start_dates[0]);
            is_boundary = function (date) {
                return date.getHours() === 0;
            };
        } else if (aggregation === 'week') {
            start = floor_to_local_week(start_dates[0]);
            is_boundary = function (date) {
                return date.getHours() === 0 && date.getDay() === 0;
            };
        }
        var dates = [start];
        var values = {human: [], bot: []};
        var current = {human: 0, bot: 0};
        var i_init = 0;
        if (is_boundary(start_dates[0])) {
            current = {human: data.realm.human[0], bot: data.realm.bot[0]};
            i_init = 1;
        }
        for (var i = i_init; i < start_dates.length; i += 1) {
            if (is_boundary(start_dates[i])) {
                dates.push(start_dates[i]);
                values.human.push(current.human);
                values.bot.push(current.bot);
                current = {human: 0, bot: 0};
            }
            current.human += data.realm.human[i];
            current.bot += data.realm.bot[i];
        }
        values.human.push(current.human);
        values.bot.push(current.bot);
        return {
            dates: dates, values: values,
            last_value_is_partial: !is_boundary(new Date(
                start_dates[start_dates.length-1].getTime() + 60*60*1000))};
    }

    // Generate traces
    var date_formatter = function (date) {
        return format_date(date, true);
    };
    var hourly_traces = make_traces(start_dates, data.realm, 'bar', date_formatter);

    var info = aggregate_data('day');
    date_formatter = function (date) {
        return format_date(date, false);
    };
    var last_day_is_partial = info.last_value_is_partial;
    var daily_traces = make_traces(info.dates, info.values, 'bar', date_formatter);

    info = aggregate_data('week');
    date_formatter = function (date) {
        // return i18n.t("Week of __date__", {date: format_date(date, false)});
        return "Week of " + format_date(date, false);
    };
    var last_week_is_partial = info.last_value_is_partial;
    var weekly_traces = make_traces(info.dates, info.values, 'bar', date_formatter);

    var dates = data.end_times.map(function (timestamp) {
        return new Date(timestamp*1000);
    });
    var values = {human: partial_sums(data.realm.human), bot: partial_sums(data.realm.bot)};
    date_formatter = function (date) {
        return format_date(date, true);
    };
    var cumulative_traces = make_traces(dates, values, 'scatter', date_formatter);

    // Functions to draw and interact with the plot

    // We need to redraw plot entirely if switching from (the cumulative) line
    // graph to any bar graph, since otherwise the rangeselector shows both (plotly bug)
    var clicked_cumulative = false;

    function draw_or_update_plot(rangeselector, traces, last_value_is_partial, initial_draw) {
        $('#daily_button').css('background', '#F0F0F0');
        $('#weekly_button').css('background', '#F0F0F0');
        $('#hourly_button').css('background', '#F0F0F0');
        $('#cumulative_button').css('background', '#F0F0F0');
        layout.xaxis.rangeselector = rangeselector;
        if (clicked_cumulative || initial_draw) {
            Plotly.newPlot('id_messages_sent_over_time',
                           [traces.human, traces.bot], layout, {displayModeBar: false});
            add_hover_handler();
        } else {
            Plotly.deleteTraces('id_messages_sent_over_time', [0,1]);
            Plotly.addTraces('id_messages_sent_over_time', [traces.human, traces.bot]);
            Plotly.relayout('id_messages_sent_over_time', layout);
        }
        $('#id_messages_sent_over_time').attr('last_value_is_partial', last_value_is_partial);
    }

    // Click handlers for aggregation buttons
    $('#hourly_button').click(function () {
        draw_or_update_plot(hourly_rangeselector, hourly_traces, false, false);
        $(this).css('background', '#D8D8D8');
        clicked_cumulative = false;
    });

    $('#daily_button').click(function () {
        draw_or_update_plot(daily_rangeselector, daily_traces, last_day_is_partial, false);
        $(this).css('background', '#D8D8D8');
        clicked_cumulative = false;
    });

    $('#weekly_button').click(function () {
        draw_or_update_plot(weekly_rangeselector, weekly_traces, last_week_is_partial, false);
        $(this).css('background', '#D8D8D8');
        clicked_cumulative = false;
    });

    $('#cumulative_button').click(function () {
        clicked_cumulative = false;
        draw_or_update_plot(daily_rangeselector, cumulative_traces, false, false);
        $(this).css('background', '#D8D8D8');
        clicked_cumulative = true;
    });

    // Initial drawing of plot
    if (weekly_traces.human.x.length < 12) {
        draw_or_update_plot(daily_rangeselector, daily_traces, last_day_is_partial, true);
        $('#daily_button').css('background', '#D8D8D8');
    } else {
        draw_or_update_plot(weekly_rangeselector, weekly_traces, last_week_is_partial, true);
        $('#weekly_button').css('background', '#D8D8D8');
    }
}

function throw_error(msg) {
    $('#id_stats_errors').show()
        .text(msg);
}

$.get({
    url: '/json/analytics/chart_data',
    data: {chart_name: 'messages_sent_over_time', min_length: '10'},
    idempotent: true,
    success: function (data) {
        populate_messages_sent_over_time(data);
    },
    error: function (xhr) {
        throw_error($.parseJSON(xhr.responseText).msg);
    },
});

function users_hover(id) {
    var myPlot = document.getElementById(id);
    myPlot.on('plotly_hover', function (data) {
        var date_text = data.points[0].data.text[data.points[0].pointNumber];
        $('#users_hover_date').text(date_text);
        $('#users_hover_humans').text("Users:");
        $('#users_hover_humans_value').text(data.points[0].y);
    });
}

function populate_number_of_users(data) {
    var end_dates = data.end_times.map(function (timestamp) {
            return new Date(timestamp*1000);
    });
    var users_text = end_dates.map(function (date) {
        return format_date(date, false);
    });
    var trace_humans = {x: end_dates, y: data.realm.human, type: 'scatter',  name: "Active users",
                        hoverinfo: 'none', text: users_text, visible: true};
    var layout = {
        width: 750,
        height: 370,
        margin: {
            l: 40, r: 0, b: 100, t: 20,
        },
        xaxis: {
            fixedrange: true,
            rangeselector: {
                x: 0.808,
                y: -0.2,
                buttons: [
                    {count:30,
                        label:'Last 30 Days',
                        step: 'day',
                        stepmode:'backward'},
                    {
                        step: 'all',
                        label: 'All time',
                    },
                ],
            },
        },
        yaxis: {
            fixedrange: true,
            rangemode: 'tozero',
        },
        font: {
            family: 'Humbug',
            size: 14,
            color: '#000000',
        },
    };
    Plotly.newPlot('id_number_of_users',
                   [trace_humans], layout, {displayModeBar: false});
    users_hover('id_number_of_users');
    var total_users = data.realm.human[data.realm.human.length - 1];
    var total = document.getElementById('number_of_users_total');
    total.innerHTML = total_users.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}

$.get({
    url: '/json/analytics/chart_data',
    data: {chart_name: 'number_of_humans', min_length: '10'},
    idempotent: true,
    success: function (data) {
        populate_number_of_users(data);
    },
    error: function (xhr) {
        throw_error($.parseJSON(xhr.responseText).msg);
    },
});

function make_pie_trace(data, values, labels, text) {
    var trace = [{
        values: values,
        labels: labels,
        type: 'pie',
        direction: 'clockwise',
        rotation: -90,
        sort: false,
        // textposition: textposition,
        textinfo: "text",
        text: text,
        hoverinfo: "label+text",
        pull: 0.05,
        marker: {
            colors: ['#008000', '#57a200', '#95c473', '#acd5b0', '#bde6ee', '#caf8ff'],
        },
    }];
    return trace;
}

function round_percentages(values) {
    var total = values.reduce(function (a, b) { return a + b; }, 0);
    var percents = values.map(function (x) {
        var unrounded = x/total*100;
        var rounded;
        if (unrounded > 99.4) {
            rounded = unrounded.toPrecision(3);
        } else {
            rounded = unrounded.toPrecision(2);
        }
        return rounded + '%';
    });
    return [total, percents];
}

function word_wrap(text, width) {
    var broken_words = [];
    text.split(' ').forEach(function (word) {
        var i;
        for (i=0; i+width<word.length; i+=width-1) {
            broken_words.push(word.slice(i, i+width-1).concat('-'));
        }
        broken_words.push(word.slice(i, word.length));
    });
    var lines = [];
    var line = '';
    broken_words.forEach(function (word) {
        if (line === '') {
            line = word;
        } else if (line.length + word.length > width) {
            lines.push(line);
            line = word;
        } else {
            line = line.concat(' ', word);
        }
    });
    lines.push(line);
    return lines.join("<br>");
}

function get_labels_and_data(names, data_subgroup, time_frame_integer) {
    var data = [];
    for (var key in data_subgroup) {
        if (data_subgroup[key].length < time_frame_integer) {
            time_frame_integer = data_subgroup[key].length;
        }
        var sum = 0;
        for (var i=1; i<=time_frame_integer; i+=1) {
            sum += data_subgroup[key][data_subgroup[key].length-i];
        }
        if (sum > 0) {
            data.push({
                value: sum,
                label: word_wrap(names.hasOwnProperty(key) ? names[key] : key, 18),
            });
        }
    }
    data.sort(function (a, b) {
        return b.value - a.value;
    });
    var labels = [];
    var values = [];
    var j;
    if (data.length <= 6) {
        for (j=0; j<data.length; j+=1) {
            labels.push(data[j].label);
            values.push(data[j].value);
        }
    } else {
        for (j=0; j<5; j+=1) {
            labels.push(data[j].label);
            values.push(data[j].value);
        }
        var sum_remaining = 0;
        for (j=5; j<data.length; j+=1) {
            sum_remaining += data[j].value;
        }
        labels.push("Other");
        values.push(sum_remaining);
    }
    return [labels, values];
}

function populate_messages_sent_by_client(data) {
    var names = {
        electron_: "Electron",
        barnowl_: "BarnOwl",
        website_: "Website",
        API_: "API",
        android_: "Android",
        iOS_: "iOS",
        react_native_: "React Native",
    };
    var realm_cumulative = get_labels_and_data(names, data.realm, data.end_times.length);
    var realm_labels_cumulative = realm_cumulative[0];
    var realm_values_cumulative = realm_cumulative[1];
    var realm_percentages_cumulative = round_percentages(realm_values_cumulative);
    var realm_total_cumulative = realm_percentages_cumulative[0];
    var realm_text_cumulative = realm_percentages_cumulative[1];

    var realm_values_ten_days = get_labels_and_data(names, data.realm, 10)[1];
    var realm_percentages_ten_days = round_percentages(realm_values_ten_days);
    var realm_total_ten_days = realm_percentages_ten_days[0];
    var realm_text_ten_days = realm_percentages_ten_days[1];

    var realm_values_thirty_days = get_labels_and_data(names, data.realm, 30)[1];
    var realm_percentages_thirty_days = round_percentages(realm_values_thirty_days);
    var realm_total_thirty_days = realm_percentages_thirty_days[0];
    var realm_text_thirty_days = realm_percentages_thirty_days[1];

    var user_values_cumulative = get_labels_and_data(names, data.user, data.end_times.length)[1];
    var user_percentages_cumulative = round_percentages(user_values_cumulative);
    var user_total_cumulative = user_percentages_cumulative[0];
    var user_text_cumulative = user_percentages_cumulative[1];

    var user_values_ten_days = get_labels_and_data(names, data.user, 10)[1];
    var user_percentages_ten_days = round_percentages(user_values_ten_days);
    var user_total_ten_days = user_percentages_ten_days[0];
    var user_text_ten_days = user_percentages_ten_days[1];

    var user_values_thirty_days = get_labels_and_data(names, data.user, 30)[1];
    var user_percentages_thirty_days = round_percentages(user_values_thirty_days);
    var user_total_thirty_days = user_percentages_thirty_days[0];
    var user_text_thirty_days = user_percentages_thirty_days[1];

    var trace = make_pie_trace(data, realm_values_cumulative,
                               realm_labels_cumulative, realm_text_cumulative);
    var layout = {
        margin: {
            l: 90, r: 0, b: 0, t: 0,
        },
        width: 450,
        height: 300,
        font: {
            family: 'Humbug',
            size: 14,
            color: '#000000',
        },
    };
    Plotly.newPlot('id_messages_sent_by_client', trace, layout, {displayModeBar: false});

    var total = document.getElementById('pie_messages_sent_by_client_total');
    total.innerHTML = "Total messages: " +
        realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");

    var time_range = 'cumulative';
    var type_data = 'realm';

    $('#messages_by_client_realm_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_client_user_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_client');
        type_data = 'realm';
        if (time_range === 'cumulative') {
            plotDiv.data[0].values = realm_values_cumulative;
            plotDiv.data[0].text = realm_text_cumulative;
            total.innerHTML = "Total messages: " +
                realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else if (time_range === 'ten') {
            plotDiv.data[0].values = realm_values_ten_days;
            plotDiv.data[0].text = realm_text_ten_days;
            total.innerHTML = "Total messages: " +
                realm_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = realm_values_thirty_days;
            plotDiv.data[0].text = realm_text_thirty_days;
            total.innerHTML = "Total messages: " +
                realm_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_client');

    });
    $('#messages_by_client_user_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_client_realm_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_client');
        type_data = 'user';
        if (time_range === 'cumulative') {
            plotDiv.data[0].values = user_values_cumulative;
            plotDiv.data[0].text = user_text_cumulative;
            total.innerHTML = "Total messages: " +
                user_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else if (time_range === 'ten') {
            plotDiv.data[0].values = user_values_ten_days;
            plotDiv.data[0].text = user_text_ten_days;
            total.innerHTML = "Total messages: " +
                user_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_thirty_days;
            plotDiv.data[0].text = user_text_thirty_days;
            total.innerHTML = "Total messages: " +
                user_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_client');

    });

    $('#messages_by_client_ten_days_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_client_thirty_days_button').css('background', '#F0F0F0');
        $('#messages_by_client_cumulative_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_client');
        time_range = 'ten';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_ten_days;
            plotDiv.data[0].text = realm_text_ten_days;
            total.innerHTML = "Total messages: " +
                realm_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_ten_days;
            plotDiv.data[0].text = user_text_ten_days;
            total.innerHTML = "Total messages: " +
                user_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_client');
    });

    $('#messages_by_client_thirty_days_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_client_ten_days_button').css('background', '#F0F0F0');
        $('#messages_by_client_cumulative_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_client');
        time_range = 'thirty';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_thirty_days;
            plotDiv.data[0].text = realm_text_thirty_days;
            total.innerHTML = "Total messages: " +
                realm_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_thirty_days;
            plotDiv.data[0].text = user_text_thirty_days;
            total.innerHTML = "Total messages: " +
                user_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_client');
    });

    $('#messages_by_client_cumulative_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_client_thirty_days_button').css('background', '#F0F0F0');
        $('#messages_by_client_ten_days_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_client');
        time_range = 'cumulative';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_cumulative;
            plotDiv.data[0].text = realm_text_cumulative;
            total.innerHTML = "Total messages: " +
                realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_cumulative;
            plotDiv.data[0].text = user_text_cumulative;
            total.innerHTML = "Total messages: " +
                user_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_client');
    });
    // handle links with @href started with '#' only
    $(document).on('click', 'a[href^="#"]', function (e) {
        // target element id
        var id = $(this).attr('href');
        // target element
        var $id = $(id);
        if ($id.length === 0) {
            return;
        }
        // prevent standard hash navigation (avoid blinking in IE)
        e.preventDefault();
        var pos = $id.offset().top+$('.page-content')[0].scrollTop-50;
        $('.page-content').animate({scrollTop: pos + "px"}, 500);
    });
}

$.get({
    url: '/json/analytics/chart_data',
    data: {chart_name: 'messages_sent_by_client', min_length: '10'},
    idempotent: true,
    success: function (data) {
        populate_messages_sent_by_client(data);
    },
    error: function (xhr) {
        throw_error($.parseJSON(xhr.responseText).msg);
    },
});

function populate_messages_sent_by_message_type(data) {
    var names = {
        public_stream: "Public Stream",
        private_stream: "Private Stream",
        private_message: "Private Message",
    };
    var realm_cumulative = get_labels_and_data(names, data.realm, data.end_times.length);
    var realm_labels_cumulative = realm_cumulative[0];
    var realm_values_cumulative = realm_cumulative[1];
    var realm_percentages_cumulative = round_percentages(realm_values_cumulative);
    var realm_total_cumulative = realm_percentages_cumulative[0];
    var realm_text_cumulative = realm_percentages_cumulative[1];

    var realm_values_ten_days = get_labels_and_data(names, data.realm, 10)[1];
    var realm_percentages_ten_days = round_percentages(realm_values_ten_days);
    var realm_total_ten_days = realm_percentages_ten_days[0];
    var realm_text_ten_days = realm_percentages_ten_days[1];

    var realm_values_thirty_days = get_labels_and_data(names, data.realm, 30)[1];
    var realm_percentages_thirty_days = round_percentages(realm_values_thirty_days);
    var realm_total_thirty_days = realm_percentages_thirty_days[0];
    var realm_text_thirty_days = realm_percentages_thirty_days[1];

    var user_values_cumulative = get_labels_and_data(names, data.user, data.end_times.length)[1];
    var user_percentages_cumulative = round_percentages(user_values_cumulative);
    var user_total_cumulative = user_percentages_cumulative[0];
    var user_text_cumulative = user_percentages_cumulative[1];

    var user_values_ten_days = get_labels_and_data(names, data.user, 10)[1];
    var user_percentages_ten_days = round_percentages(user_values_ten_days);
    var user_total_ten_days = user_percentages_ten_days[0];
    var user_text_ten_days = user_percentages_ten_days[1];

    var user_values_thirty_days = get_labels_and_data(names, data.user, 30)[1];
    var user_percentages_thirty_days = round_percentages(user_values_thirty_days);
    var user_total_thirty_days = user_percentages_thirty_days[0];
    var user_text_thirty_days = user_percentages_thirty_days[1];

    var trace = make_pie_trace(data, realm_values_cumulative,
                               realm_labels_cumulative, realm_text_cumulative);

    var total = document.getElementById('pie_messages_sent_by_type_total');
    total.innerHTML = "Total messages: " +
        realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");

    var layout = {
        margin: {
            l: 90, r: 0, b: 0, t: 0,
        },
        width: 465,
        height: 300,
        font: {
            family: 'Humbug',
            size: 14,
            color: '#000000',
        },
    };
    Plotly.newPlot('id_messages_sent_by_message_type', trace, layout, {displayModeBar: false});

    var time_range = 'cumulative';
    var type_data = 'realm';

    $('#messages_by_type_realm_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_type_user_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_message_type');
        type_data = 'realm';
        if (time_range === 'cumulative') {
            plotDiv.data[0].values = realm_values_cumulative;
            plotDiv.data[0].text = realm_text_cumulative;
            total.innerHTML = "Total messages: " +
                realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else if (time_range === 'ten') {
            plotDiv.data[0].values = realm_values_ten_days;
            plotDiv.data[0].text = realm_text_ten_days;
            total.innerHTML = "Total messages: " +
                realm_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = realm_values_thirty_days;
            plotDiv.data[0].text = realm_text_thirty_days;
            total.innerHTML = "Total messages: " +
                realm_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_message_type');

    });
    $('#messages_by_type_user_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_type_realm_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_message_type');
        type_data = 'user';
        if (time_range === 'cumulative') {
            plotDiv.data[0].values = user_values_cumulative;
            plotDiv.data[0].text = user_text_cumulative;
            total.innerHTML = "Total messages: " +
                user_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else if (time_range === 'ten') {
            plotDiv.data[0].values = user_values_ten_days;
            plotDiv.data[0].text = user_text_ten_days;
            total.innerHTML = "Total messages: " +
                user_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_thirty_days;
            plotDiv.data[0].text = user_text_thirty_days;
            total.innerHTML = "Total messages: " +
                user_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_message_type');

    });

    $('#messages_by_type_ten_days_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_type_thirty_days_button').css('background', '#F0F0F0');
        $('#messages_by_type_cumulative_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_message_type');
        time_range = 'ten';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_ten_days;
            plotDiv.data[0].text = realm_text_ten_days;
            total.innerHTML = "Total messages: " +
                realm_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_ten_days;
            plotDiv.data[0].text = user_text_ten_days;
            total.innerHTML = "Total messages: " +
                user_total_ten_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_message_type');
    });

    $('#messages_by_type_thirty_days_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_type_ten_days_button').css('background', '#F0F0F0');
        $('#messages_by_type_cumulative_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_message_type');
        time_range = 'thirty';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_thirty_days;
            plotDiv.data[0].text = realm_text_thirty_days;
            total.innerHTML = "Total messages: " +
                realm_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_thirty_days;
            plotDiv.data[0].text = user_text_thirty_days;
            total.innerHTML = "Total messages: " +
                user_total_thirty_days.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_message_type');
    });

    $('#messages_by_type_cumulative_button').click(function () {
        $(this).css('background', '#D8D8D8');
        $('#messages_by_type_thirty_days_button').css('background', '#F0F0F0');
        $('#messages_by_type_ten_days_button').css('background', '#F0F0F0');
        var plotDiv = document.getElementById('id_messages_sent_by_message_type');
        time_range = 'cumulative';
        if (type_data === 'realm') {
            plotDiv.data[0].values = realm_values_cumulative;
            plotDiv.data[0].text = realm_text_cumulative;
            total.innerHTML = "Total messages: " +
                realm_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        } else {
            plotDiv.data[0].values = user_values_cumulative;
            plotDiv.data[0].text = user_text_cumulative;
            total.innerHTML = "Total messages: " +
                user_total_cumulative.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        }
        Plotly.redraw('id_messages_sent_by_message_type');
    });
}

$.get({
    url: '/json/analytics/chart_data',
    data: {chart_name: 'messages_sent_by_message_type', min_length: '10'},
    idempotent: true,
    success: function (data) {
        populate_messages_sent_by_message_type(data);
    },
    error: function (xhr) {
        throw_error($.parseJSON(xhr.responseText).msg);
    },
});