local Public = {}

local tooltip = 'Difficulty increases with higher score.'

local function create_score_gui(player)
    local frame = player.gui.left.add({type = 'frame', name = 'pitch_black_score', direction = 'vertical'})
    local t = frame.add({type = 'table', column_count = 2})

    frame.tooltip = tooltip
    t.tooltip = tooltip

    local element = t.add({type = 'label', caption = 'Score: '})
    element.style.font = 'heading-1'
    element.style.font_color = {175, 175, 200}
    element.style.horizontal_align = 'right'
    element.style.maximal_width = 56
    element.style.minimal_width = 56
    element.tooltip = tooltip

    element = t.add({type = 'label', caption = 0})
    element.style.font = 'heading-1'
    element.style.font_color = {100, 0, 255}
    element.style.horizontal_align = 'left'
    element.style.minimal_width = 32
    element.tooltip = tooltip

    return frame
end

local function update_score_gui(player)
    local frame = player.gui.left.pitch_black_score
    if not player.gui.left.pitch_black_score then
        frame = create_score_gui(player)
    end

    local frame_table = frame.children[1]

    local score_value = frame_table.children[2]
    score_value.caption = global.map_score
end

function Public.update()
    for _, player in pairs(game.connected_players) do
        update_score_gui(player)
    end
end

return Public