-- ALL.Net icon overlay, plus the 「M曲」 song-max plate on the GAME screen.

AllNetIcon = {}
AllNetIcon.__index = AllNetIcon

function AllNetIcon.new(online)
    local self = setmetatable({}, AllNetIcon)
    self.online    = online
    self.indicator = tex.get_texture("global/overlay/allnet_indicator")
    self.params    = { frame = online and 2 or 0, x = 0, y = 0 }   -- reused every draw, no per-frame table garbage
    return self
end

function AllNetIcon:update(current_ms, online)
    self.online = online
    self.params.frame = online and 2 or 0
end

local SONG_MAX_CX, SONG_MAX_CY = 1814, 122
local SONG_MAX_FONT, SONG_MAX_BORDER = 24, 3.0

function AllNetIcon:draw_song_max()
    if not tex.song_limit then return end
    local limit = tex.song_limit()
    if not limit or limit <= 0 then return end
    if self._song_max_n ~= limit then
        self._song_max   = text.create_raw_text((tex.skin_text("song_num_max"):gsub("{0}", tostring(limit))),
            SONG_MAX_FONT, { 255, 255, 255, 255 }, { 0, 0, 0, 255 }, false, SONG_MAX_BORDER / tex.get_screen_scale(), 2.0)
        self._song_max_n = limit
    end
    local t = self._song_max
    if not t then return end
    -- id 3 = the genre <-> song-number cross-fade; sharing it keeps both plate halves in step.
    if not self._plate_fade then self._plate_fade = tex.get_animation(3, false) end
    local fade = self._plate_fade and self._plate_fade.attribute or 1.0
    if fade <= 0 then return end
    t:draw({ x = math.floor(SONG_MAX_CX - (t.width - 2.0) / 2 + 0.5),
             y = math.floor(SONG_MAX_CY - t.height / 2 + 0.5), fade = fade })
end

function AllNetIcon:draw_icon(x, y)
    local p = self.params
    p.x, p.y = x, y
    tex.draw_texture(self.indicator, p)
end

function AllNetIcon:draw(x, y)
    local screen = tex.current_screen and tex.current_screen() or ""
    if screen == "GAME" or screen == "GAME_DAN" then
        if screen == "GAME" and not (tex.in_transition and tex.in_transition()) then
            self:draw_song_max()
        end
        self:draw_icon(x, y)
        if _G.g_active_enso_skip then _G.g_active_enso_skip:draw() end
        return
    end
    if screen == "LOADING" then
        return
    end
    self:draw_icon(x, y)
end