Entry = {}
Entry.__index = Entry

function Entry.new()
    local self = setmetatable({}, Entry)
    tex.load_animations("entry")
    tex.load_folder("entry", "background")
    tex.load_folder("entry", "side_select")
    tex.load_folder("entry", "global")
    self.bg_flicker       = tex.get_animation(1)
    self.side_select_fade = tex.get_animation(0)
    self.bg_flicker:start()
    return self
end

function Entry:update(current_ms)
    self.bg_flicker:update(current_ms)
    self.side_select_fade:update(current_ms)
end

function Entry:start_side_select()
    self.side_select_fade:start()
end

function Entry:restart_side_select()
    self.side_select_fade:restart()
end

function Entry:get_side_select_fade()
    return self.side_select_fade.attribute
end

function Entry:draw_background()
    tex.draw_texture("background", "bg")
    tex.draw_texture("background", "tower")
    tex.draw_texture("background", "shops_center")
    tex.draw_texture("background", "people")
    tex.draw_texture("background", "shops_left")
    tex.draw_texture("background", "shops_right")
    tex.draw_texture("background", "lights", { scale = 2.0, fade = self.bg_flicker.attribute })
end

function Entry:draw_side_select(side)
    local fade = self.side_select_fade.attribute
    tex.draw_texture("side_select", "box_top_left", { fade = fade })
    tex.draw_texture("side_select", "box_top_right", { fade = fade })
    tex.draw_texture("side_select", "box_bottom_left", { fade = fade })
    tex.draw_texture("side_select", "box_bottom_right", { fade = fade })
    tex.draw_texture("side_select", "box_top", { fade = fade })
    tex.draw_texture("side_select", "box_bottom", { fade = fade })
    tex.draw_texture("side_select", "box_left", { fade = fade })
    tex.draw_texture("side_select", "box_right", { fade = fade })
    tex.draw_texture("side_select", "box_center", { fade = fade })

    tex.draw_texture("side_select", "1P", { fade = fade })
    tex.draw_texture("side_select", "cancel", { fade = fade })
    tex.draw_texture("side_select", "2P", { fade = fade })

    if side == 0 then
        tex.draw_texture("side_select", "1P_highlight", { fade = fade })
        tex.draw_texture("side_select", "1P2P_outline", { mirror = "horizontal", fade = fade, index = 0 })
    elseif side == 1 then
        tex.draw_texture("side_select", "cancel_highlight", { fade = fade })
        tex.draw_texture("side_select", "cancel_outline", { fade = fade })
    else
        tex.draw_texture("side_select", "2P_highlight", { fade = fade })
        tex.draw_texture("side_select", "1P2P_outline", { fade = fade, index = 1 })
    end
end

function Entry:draw_footer(p1_joined, p2_joined)
    tex.draw_texture("side_select", "footer")
    if p1_joined and p2_joined then
        -- both players joined, no footer sides
    elseif not p1_joined and not p2_joined then
        tex.draw_texture("side_select", "footer_left")
        tex.draw_texture("side_select", "footer_right")
    elseif p1_joined then
        tex.draw_texture("side_select", "footer_right")
    else
        tex.draw_texture("side_select", "footer_left")
    end
end

function Entry:draw_player_entry()
    tex.draw_texture("global", "player_entry")
end