local VirtualInputManager = game:GetService("VirtualInputManager")
local UserInputService = game:GetService("UserInputService")

-- ▼▼▼ ur note here. ▼▼▼
local sheetMusic = [[
[o@(YPD] P [o@(YPD] [o@YP] s [P5wyod] [E5yo] o [%WYts] [t%YP] O [5wEYP] [5EY] Y [W4qti] [W4ti] o [t@(O] [t@O] [tP] [@(ts] [29yd] [18YD] [^Pidg] [%W] [5w] [4qP] [@(PDoh] [P5wig] [YD] [^EPidg] q [9id] [y^P] [18osYD] [@(od] s [5wyod] 9 [^yo] [E5o] [%WYts] [4qtYP] [WO] [5wEYP] [5wEY] Y [4qpYD] [Y4qod] [ps] [y^EP] [%WPd] [5wsD] [4qdg] [@(PDoh] [29] [@(] [4q] [5wdPgJ] [sD] [P5wd] [sD] [^Edg] [PJ] [PJ] [PJ] [^PJ] [qyiP] [yi^P] [Pd] [s%WD] [5wdg] 
[18osYD] 5 [18] [29] [@(Podh] [ps] [o@P] [ps] [P5wd] [5oh] [oh] [oh] [^oh] [E9yo] [E5yo] [oP] [O4qs] [^Pd] [s%YD] [Os] [@(] [Pd] [8tsYD] [Os] [^E] [Pd] [s%WYD] [YOs] [s@(OD] [8tsODH] [^EOH] [OH] [OH] [%WOH] [5wOH] [4qsgOH] 5 % [^EPdh] g [s^OD] [Pdg] [@(PDoh] [29] [@(] [5woPD] [4qoPD] [@(YP] [YP] [29YP] [18YP] [29ipsg] [ps] @ 4 [5woaD] d [5ips] [oad] [18osYD] 2 @ [Y4os] [Y8tos] [Yo] [^E] [Yo] [s%WYD] [P4qd] [Os] [5wYP] [5EY] Y [4qpYD] [Y4od] Y [ps] [y^EP] [y^O] P [o@(YPD] [o@YP] s [P5wyod] [E5yo] o [%WYts] [t%YP] O [5wEYP] [5EY] Y  [W4qti] [W4ti] o [t@(O] [t@O] [tP] [@(ts] [29yd] [18YD] [^Pidg] [%W] [5w] [4qP] [@(PDoh] [P5wig] [YD] [^EPidg] q [9id] [y^P] [18osYD] [@(od] s [5wyod] 9 [^yo] [E5o] [%WYts] [4qtYP] [WO] [5wEYP] [5wEY] Y [4qpYD] [Y4qod] [ps] [y^EP] [%WPd] [5wsD] [4qdg] [@(PDoh] [29] [@(] [4q] [5wdPJg] [sD] [P5wd] [sD] [^Edg] [PJ] [PJ] [PJ] [^PJ] [qyiP] [yi^P] [Pd] [s%WD] [5wdg]  [18osYD] 5 [18] [29] [@(Pohd] [ps] [o@P] [ps] [P5wd] [5oh] [oh] [oh] [^oh] [E9yo] [E5yo] [oP] [O4qs] [^Pd] [s%YD] [Os] [@(] [Pd] [8tsYD] [Os] [^E] [Pd] [s%WYD] [YOs] [s@(OD] [8tsODH] [^EOH] [OH] [OH] [%WOH] [5wOH] [4qsgOH] 5 % [^EPdh] g [s^OD] [Pdg] [@(PDoh] [29] [@(] [5woPD] [4qoPD] [@(YP] [YP] [29YP] [18YP] [29ipsg] [ps] @ 4 [5woaD] d [5ips] [oad] [18osYD] 2 @ [Y4os] [Y8tos] [Yo] [^E] [Yo] [s%WYD] [P4qd] [Os] [5wEYP] [5EY] Y [y^EOP] [%OPts] [^Oyid] [o@YPD]
]]
-- ▲▲▲ and ends here. ▲▲▲

local notes = {}
for word in sheetMusic:gmatch("%S+") do
    table.insert(notes, word)
end

local isOn = false
local currentIndex = 1
local isPlaying = false

local shiftMap = {
    ['!'] = Enum.KeyCode.One, ['@'] = Enum.KeyCode.Two, ['#'] = Enum.KeyCode.Three,
    ['$'] = Enum.KeyCode.Four, ['%'] = Enum.KeyCode.Five, ['^'] = Enum.KeyCode.Six,
    ['&'] = Enum.KeyCode.Seven, ['*'] = Enum.KeyCode.Eight, ['('] = Enum.KeyCode.Nine,
    [')'] = Enum.KeyCode.Zero, ['_'] = Enum.KeyCode.Minus, ['+'] = Enum.KeyCode.Equals,
    ['{'] = Enum.KeyCode.LeftBracket, ['}'] = Enum.KeyCode.RightBracket,
    ['|'] = Enum.KeyCode.BackSlash, [':'] = Enum.KeyCode.Semicolon,
    ['"'] = Enum.KeyCode.Quote, ['<'] = Enum.KeyCode.Comma, ['>'] = Enum.KeyCode.Period,
    ['?'] = Enum.KeyCode.Slash, ['~'] = Enum.KeyCode.Tilde
}

local function getKeyCode(char)
    if shiftMap[char] then return shiftMap[char] end
    if char:match("%a") then return Enum.KeyCode[char:upper()] end
    if char:match("%d") then
        local numToName = {["1"]="One", ["2"]="Two", ["3"]="Three", ["4"]="Four", ["5"]="Five", ["6"]="Six", ["7"]="Seven", ["8"]="Eight", ["9"]="Nine", ["0"]="Zero"}
        return Enum.KeyCode[numToName[char]]
    end
    local map = {
        ['-'] = Enum.KeyCode.Minus, ['='] = Enum.KeyCode.Equals,
        ['['] = Enum.KeyCode.LeftBracket, [']'] = Enum.KeyCode.RightBracket,
        ['\\'] = Enum.KeyCode.BackSlash, [';'] = Enum.KeyCode.Semicolon,
        ['\''] = Enum.KeyCode.Quote, [','] = Enum.KeyCode.Comma,
        ['.'] = Enum.KeyCode.Period, ['/'] = Enum.KeyCode.Slash,
        ['`'] = Enum.KeyCode.Backquote
    }
    return map[char]
end

-- 高速化されたグループ演奏関数
local function playKeyGroup(chars, needsShift)
    if #chars == 0 then return end
    
    if needsShift then
        VirtualInputManager:SendKeyEvent(true, Enum.KeyCode.LeftShift, false, game)
        task.wait(0.001) -- 遅延を極限まで短縮
    end

    local pressedKeys = {}
    for _, char in ipairs(chars) do
        local keyCode = getKeyCode(char)
        if keyCode then
            VirtualInputManager:SendKeyEvent(true, keyCode, false, game)
            table.insert(pressedKeys, keyCode)
        end
    end

    task.wait(0.01) -- 歯切れよく聴こえるようにキープ時間を短縮

    for _, keyCode in ipairs(pressedKeys) do
        VirtualInputManager:SendKeyEvent(false, keyCode, false, game)
    end

    if needsShift then
        task.wait(0.001) -- 遅延を極限まで短縮
        VirtualInputManager:SendKeyEvent(false, Enum.KeyCode.LeftShift, false, game)
        task.wait(0.001)
    end
end

local function playNoteOrChord(noteStr)
    local shiftChars = {}
    local normalChars = {}

    local chordStr = noteStr
    if noteStr:sub(1, 1) == "[" and noteStr:sub(-1, -1) == "]" then
        chordStr = noteStr:sub(2, -2)
    end

    for i = 1, #chordStr do
        local char = chordStr:sub(i, i)
        -- 元の判定基準（大文字 or 登録された記号）に戻す
        local isUpper = (char:match("%u") ~= nil) or (shiftMap[char] ~= nil)
        if isUpper then
            table.insert(shiftChars, char)
        else
            table.insert(normalChars, char)
        end
    end

    -- グループを分けて叩くが、間のウエイトを極限まで減らしたため、ほぼ同時に聴こえるはずです
    if #shiftChars > 0 then
        playKeyGroup(shiftChars, true)
    end
    if #normalChars > 0 then
        playKeyGroup(normalChars, false)
    end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if input.UserInputType == Enum.UserInputType.MouseButton2 then
        isOn = not isOn
        game.StarterGui:SetCore("SendNotification", {
            Title = "Auto Player";
            Text = isOn and "✅ 起動しました (ON)" or "❌ 停止しました (OFF)";
            Duration = 3;
        })
    end

    if input.KeyCode == Enum.KeyCode.Minus and not gameProcessed then
        if isOn and not isPlaying then
            if currentIndex <= #notes then
                task.spawn(function()
                    isPlaying = true
                    playNoteOrChord(notes[currentIndex])
                    currentIndex = currentIndex + 1
                    isPlaying = false
                end)
            else
                game.StarterGui:SetCore("SendNotification", {
                    Title = "Auto Player";
                    Text = "the note inside the script is fully played!";
                    Duration = 3;
                })
            end
        end
    end
end)