-- YataiDON-HSS override of PyTaikoGreen/background/bg_collabs/tutorial.lua: tile steps/scroll period use x2[1]; +40/-80/+30 px literals *sc
local DonBG = require("background/bg_objects/donbg")
local DonBGBase = require("background/bg_objects/donbg/base")

local TutorialDonBG = setmetatable({}, { __index = DonBGBase })
TutorialDonBG.__index = TutorialDonBG

function TutorialDonBG.new(index, player_num, path)
    local self = setmetatable({}, TutorialDonBG)
    local base = DonBGBase.new(index, player_num, path)
    for k, v in pairs(base) do
        self[k] = v
    end
    self.move = anim.move(6000, { total_distance = -self.bg_texture.x2[1], loop = true })
    self.move:start()
    self.overlay_move = tex.get_animation(2)
    self.overlay_texture = tex.get_texture_info(self.name, "overlay")
    self.footer_texture = tex.get_texture_info(self.name, "footer")
    self._id_overlay = tex.get_texture(self.path .. "/" .. self.name .. "/overlay") or 0
    self._id_footer  = tex.get_texture(self.path .. "/" .. self.name .. "/footer") or 0
    return self
end

function TutorialDonBG:update(current_time_ms)
    DonBGBase.update(self, current_time_ms)
    self.overlay_move:update(current_time_ms)
end

function TutorialDonBG:draw_textures(fade, y, frame)
    local sc = tex.get_screen_scale()
    y = y + 40 * sc
    for i = 0, 4 do
        tex.draw_texture(self._id_bg, {
            frame = 0,
            fade = fade,
            x = (i * self.bg_texture.x2[1]) + self.move.attribute,
            y = y
        })
        tex.draw_texture(self._id_bg, {
            frame = 1,
            fade = fade,
            x = (i * self.bg_texture.x2[1]) + self.move.attribute,
            y = y
        })
    end
    for i = 0, 5 do
        tex.draw_texture(self._id_overlay, {
            frame = frame,
            fade = fade,
            x = (i * self.overlay_texture.x2[1]) +
                self.move.attribute * (self.overlay_texture.width / self.bg_texture.width),
            y = y + self.overlay_move.attribute
        })
    end
    for i = 0, 4 do
        tex.draw_texture(self._id_footer, {
            frame = 0,
            fade = fade,
            x = (i * self.footer_texture.x2[1]) +
                self.move.attribute * (self.footer_texture.width / self.bg_texture.width),
            y = y + self.overlay_move.attribute
        })
        tex.draw_texture(self._id_footer, {
            frame = 1,
            fade = fade,
            x = (i * (self.footer_texture.x2[1] - 80 * sc)) +
                self.move.attribute * (self.footer_texture.width / self.bg_texture.width),
            y = (y + 30 * sc) + self.overlay_move.attribute
        })
    end
end

TutorialBackground = {}
TutorialBackground.__index = TutorialBackground

local COLLAB_PATH = "background/collab/tutorial"

function TutorialBackground.new(player_num, bpm)
    local self = setmetatable({}, TutorialBackground)

    tex.load_folder(COLLAB_PATH, "bg_normal/bg_0")
    self.donbg = TutorialDonBG.new(1, player_num, COLLAB_PATH)
    self._id_bg_0 = tex.get_texture(COLLAB_PATH .. "/bg_0/background") or 0

    return self
end

function TutorialBackground:update(current_ms, bpm)
    self.donbg:update(current_ms)
end

function TutorialBackground:handle_good(player_num) end

function TutorialBackground:handle_ok(player_num) end

function TutorialBackground:handle_bad(player_num) end

function TutorialBackground:handle_drumroll(player_num) end

function TutorialBackground:handle_balloon(player_num) end

function TutorialBackground:handle_gauge(player_num, progress, is_clear, is_rainbow) end

function TutorialBackground:draw_back()
    self.donbg:draw()
    tex.draw_texture(self._id_bg_0)
end

function TutorialBackground:draw_fore() end

function TutorialBackground:destroy()
    self.donbg:destroy()
    tex.unload_folder(COLLAB_PATH, "bg_normal/bg_0")
end

return TutorialBackground