pfUI:RegisterModule("firstrun", "vanilla:tbc", function ()
  pfUI.firstrun = CreateFrame("Frame", "pfFirstRunWizard", UIParent)
  pfUI.firstrun.steps = {}

  pfUI.firstrun:RegisterEvent("PLAYER_ENTERING_WORLD")
  pfUI.firstrun:SetScript("OnEvent", function() pfUI.firstrun:NextStep() end)

  local autoconfig = false
  function pfUI.firstrun:AddStep(name, func)
    if not name then return end
    table.insert(pfUI.firstrun.steps, { name = name, func = func})
  end

  local cur, max = 0, 0
  function pfUI.firstrun:NextStep()
    local windowcount = 0
    for i, step in pairs(pfUI.firstrun.steps) do
      if not pfUI_init[step.name] then
        windowcount = windowcount + 1
      end
    end
    max = windowcount > max and windowcount or max

    for _, step in pairs(pfUI.firstrun.steps) do
      local name = step.name
      if not pfUI_init[name] then
        cur = cur + 1

        local f = step.func()
        f.progress:SetMinMaxValues(0, max)
        f.progress:SetValue(cur)
        f.ptext:SetText(cur .. " / " .. max)
        f.name = name
        f:Show()
        if autoconfig == true then
          f.next:Click()
        end

        if cur == max then
          f.next:SetText(T["Finish"])
          autoconfig = false
          cur = 0
          max = 0
        end

        return
      end
    end
  end

  -- main function to create wizard windows
  local function CreateFirstRunPage()
    local f = CreateFrame("Frame", nil, UIParent)
    f:SetPoint("CENTER", 0, 0)
    f:SetFrameStrata("TOOLTIP")
    f:SetMovable(true)
    f:EnableMouse(true)
    f:RegisterForDrag("LeftButton")
    f:SetWidth(380)
    f:SetHeight(180)
    f:SetScript("OnDragStart",function()
      this:StartMoving()
    end)

    f:SetScript("OnDragStop",function()
      this:StopMovingOrSizing()
    end)

    CreateBackdrop(f, nil, nil, .85)
    CreateBackdropShadow(f)

    -- text
    f.text = f:CreateFontString("Status", "OVERLAY", "GameFontNormal")
    f.text:SetFontObject(GameFontWhite)
    f.text:SetJustifyV("TOP")
    f.text:SetJustifyH("CENTER")
    f.text:SetPoint("TOPLEFT", f, "TOPLEFT", 10, -10)
    f.text:SetPoint("BOTTOMRIGHT", f, "BOTTOMRIGHT", -10, 10)

    f.progress = CreateFrame("StatusBar", nil, f)
    f.progress:SetPoint("BOTTOMLEFT", 100, 10)
    f.progress:SetPoint("BOTTOMRIGHT", -100, 10)
    f.progress:SetHeight(12)
    f.progress:SetStatusBarTexture(pfUI.media["img:bar"])
    f.progress:SetStatusBarColor(.2,1,.8,1)
    f.progress:SetMinMaxValues(1,9)
    f.progress:SetValue(3)
    CreateBackdrop(f.progress)

    f.ptext = f.progress:CreateFontString("Status", "LOW", "GameFontNormal")
    f.ptext:SetFontObject(GameFontWhite)
    f.ptext:SetAllPoints()
    f.ptext:SetText("0/0")

    f.next = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.next:SetWidth(80)
    f.next:SetHeight(20)
    f.next:SetPoint("BOTTOMLEFT", f.progress.backdrop, "BOTTOMRIGHT", 8, 0)
    f.next:SetText(T["Next"])
    f.next:SetScript("OnClick", function()
      if f.NextScript then f.NextScript() end
      pfUI_init[f.name] = true
      f:Hide()
      pfUI.firstrun:NextStep()
    end)
    SkinButton(f.next)

    f.abort = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.abort:SetWidth(80)
    f.abort:SetHeight(20)
    f.abort:SetPoint("BOTTOMRIGHT", f.progress.backdrop, "BOTTOMLEFT", -8, 0)
    f.abort:SetText(T["Cancel"])
    f.abort:SetScript("OnClick", function()
      f:Hide()
    end)
    SkinButton(f.abort)
    f:Hide()

    return f
  end

  -- welcome dialog
  pfUI.firstrun:AddStep("init", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Welcome"])
    return f
  end)

  -- choose profile
  pfUI.firstrun:AddStep("profile", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Profile"])

    f.Sandworlds = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.Sandworlds:SetWidth(120)
    f.Sandworlds:SetHeight(20)
    f.Sandworlds:SetPoint("BOTTOM", -65, 100)
    f.Sandworlds:SetTextColor(1,1,1)
    f.Sandworlds:SetText("Sandworlds")
    f.Sandworlds:SetScript("OnClick", function()
      _G["pfUI_config"] = CopyTable(pfUI_profiles["Sandworlds"])
      pfUI:LoadConfig()
      ReloadUI()
    end)
    SkinButton(f.Sandworlds)

    f.Nostalgia = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.Nostalgia:SetWidth(120)
    f.Nostalgia:SetHeight(20)
    f.Nostalgia:SetPoint("BOTTOM", 65, 100)
    f.Nostalgia:SetTextColor(1,1,1)
    f.Nostalgia:SetText("Nostalgia")
    f.Nostalgia:SetScript("OnClick", function()
      _G["pfUI_config"] = CopyTable(pfUI_profiles["Nostalgia"])
      pfUI:LoadConfig()
      ReloadUI()
    end)
    SkinButton(f.Nostalgia)

    f.Legacy = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.Legacy:SetWidth(120)
    f.Legacy:SetHeight(20)
    f.Legacy:SetPoint("BOTTOM", 65, 75)
    f.Legacy:SetTextColor(1,1,1)
    f.Legacy:SetText("Legacy")
    f.Legacy:SetScript("OnClick", function()
      _G["pfUI_config"] = CopyTable(pfUI_profiles["Legacy"])
      pfUI:LoadConfig()
      ReloadUI()
    end)
    SkinButton(f.Legacy)

    f.Slim = CreateFrame("Button", nil, f, "UIPanelButtonTemplate")
    f.Slim:SetWidth(120)
    f.Slim:SetHeight(20)
    f.Slim:SetPoint("BOTTOM", -65, 75)
    f.Slim:SetTextColor(1,1,1)
    f.Slim:SetText("Slim")
    f.Slim:SetScript("OnClick", function()
      _G["pfUI_config"] = CopyTable(pfUI_profiles["Slim"])
      pfUI:LoadConfig()
      ReloadUI()
    end)
    SkinButton(f.Slim)

    f.Slider = CreateFrame("Slider", "pfFirstRunWizardScaleSlider", f, "OptionsSliderTemplate")
    f.Slider.text = f.Slider:CreateFontString("Status", "LOW", "GameFontWhite")
    f.Slider.text:SetPoint("TOP", f.Slider, "BOTTOM", 0, 2)
    f.Slider.text:SetText(T["Scale"])

    f.Slider:SetWidth(240)
    f.Slider:SetHeight(20)
    f.Slider:SetPoint("BOTTOM", 0, 50)
    f.Slider:SetOrientation('HORIZONTAL')
    f.Slider:SetMinMaxValues(0.5, 2.0)
    f.Slider:SetValue(UIParent:GetScale())

    f.Slider:SetScript("OnMouseUp", function()
      local scale = round(this:GetValue(),2)
      SetCVar("uiScale", scale)
      SetCVar("useUiScale", 1)
      UIParent:SetScale(scale)
      this:SetValue(scale)
    end)

    f.Slider:SetScript("OnValueChanged", function()
      local scale = round(this:GetValue(),2)
      this:SetValue(scale)
    end)

    f.Slider:SetScript("OnUpdate", function()
      local scale = round(this:GetValue(),2)
      this.text:SetText(T["Scale"] .. ": " .. scale * 100 .. "%")
    end)

    SkinSlider(f.Slider)

    return f
  end)

  -- optimized cvars dialog
  pfUI.firstrun:AddStep("cvars", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Cvars"])

    f.checkbox = CreateFrame("CheckButton", "pfCheckBoxCVAR", f, "UICheckButtonTemplate")
    f.checkbox:SetChecked(true)
    f.checkbox.text = f:CreateFontString("Status", "LOW", "GameFontNormal")
    f.checkbox.text:SetPoint("LEFT", f.checkbox, "RIGHT", 5, 0)
    f.checkbox.text:SetText(" " .. T["Setup Optimized Game Settings"])
    f.checkbox:SetPoint("BOTTOMLEFT", (f:GetWidth() - f.checkbox.text:GetStringWidth() - 20) / 2, 50)
    SkinCheckbox(f.checkbox, 18)

    f.NextScript = function()
      if f.checkbox:GetChecked() then
        pfUI.SetupCVars()
      end
    end

    return f
  end)

  -- right chat dialog
  pfUI.firstrun:AddStep("chat_right", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Chat Right"])

    f.checkbox = CreateFrame("CheckButton", "pfCheckBoxChatRight", f, "UICheckButtonTemplate")
    f.checkbox:SetChecked(true)
    f.checkbox.text = f:CreateFontString("Status", "LOW", "GameFontNormal")
    f.checkbox.text:SetPoint("LEFT", f.checkbox, "RIGHT", 5, 0)
    f.checkbox.text:SetText(" " .. T["Enable \"Loot & Spam\" Window"])
    f.checkbox:SetPoint("BOTTOMLEFT", (f:GetWidth() - f.checkbox.text:GetStringWidth() - 20) / 2, 50)
    SkinCheckbox(f.checkbox, 18)

    f.NextScript = function()
      if not pfUI.chat then message("Couldn't apply settings. Chat module is disabled.") end
      pfUI.chat.SetupRightChat(f.checkbox:GetChecked())
    end

    return f
  end)

  -- chat position dialog
  pfUI.firstrun:AddStep("chat_position", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Chat Position"])
    f.checkbox = CreateFrame("CheckButton", "pfCheckBoxChatPosition", f, "UICheckButtonTemplate")
    f.checkbox:SetChecked(true)
    f.checkbox.text = f:CreateFontString("Status", "LOW", "GameFontNormal")
    f.checkbox.text:SetPoint("LEFT", f.checkbox, "RIGHT", 5, 0)
    f.checkbox.text:SetText(" " .. T["Align Chat Windows"])
    f.checkbox:SetPoint("BOTTOMLEFT", (f:GetWidth() - f.checkbox.text:GetStringWidth() - 20) / 2, 50)
    SkinCheckbox(f.checkbox, 18)

    f.NextScript = function()
      if not pfUI.chat then message("Couldn't apply settings. Chat module is disabled.") end
      if f.checkbox:GetChecked() then
        pfUI.chat.SetupPositions()
      end
    end

    return f
  end)

  -- chat channels dialog
  pfUI.firstrun:AddStep("chat_channels", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Chat Channels"])
    f.checkbox = CreateFrame("CheckButton", "pfCheckBoxChatChannels", f, "UICheckButtonTemplate")
    f.checkbox:SetChecked(true)
    f.checkbox.text = f:CreateFontString("Status", "LOW", "GameFontNormal")
    f.checkbox.text:SetPoint("LEFT", f.checkbox, "RIGHT", 5, 0)
    f.checkbox.text:SetText(" " .. T["Setup All Chat Channels"])
    f.checkbox:SetPoint("BOTTOMLEFT", (f:GetWidth() - f.checkbox.text:GetStringWidth() - 20) / 2, 50)
    SkinCheckbox(f.checkbox, 18)

    f.NextScript = function()
      if not pfUI.chat then message("Couldn't apply settings. Chat module is disabled.") end
      if f.checkbox:GetChecked() then
        pfUI.chat.SetupChannels()
      end
    end

    return f
  end)

  -- finalize dialog
  pfUI.firstrun:AddStep("finalize", function()
    local f = CreateFirstRunPage()
    f.text:SetText(T["Firstrun Finalize"])
    return f
  end)
end)