SLASH_RELOAD1 = '/rl'
function SlashCmdList.RELOAD(msg, editbox)
  ReloadUI()
end

SLASH_PFUI1 = '/pfui'
function SlashCmdList.PFUI(msg, editbox)
  if pfUI.gui:IsShown() then
    pfUI.gui:Hide()
  else
    pfUI.gui:Show()
  end
end

SLASH_GM1, SLASH_GM2 = '/gm', '/support'
function SlashCmdList.GM(msg, editbox)
  ToggleHelpFrame(1)
end

pfUI = CreateFrame("Frame",nil,UIParent)
pfUI:RegisterEvent("ADDON_LOADED")

-- initialize default variables
pfUI.cache = {}
pfUI.module = {}
pfUI.modules = {}
pfUI.environment = {}
pfUI.movables = {}
pfUI.version = {}
pfUI.hooks = {}

pfUI_playerDB = {}
pfUI_config = {}
pfUI_locale = {}

pfUI:SetScript("OnEvent", function()

  -- some addons overwrite color and font settings
  -- need to enforce pfUI's selection every time
  pfUI.environment:UpdateFonts()
  pfUI.environment:UpdateColors()

  if arg1 == "pfUI" then
    if not pfUI_init then
      pfUI_init = {}
    end

    if not pfUI_profiles then
      pfUI_profiles = {}
    end

    -- read pfUI version from .toc file
    local major, minor, fix = pfUI.api.strsplit(".", tostring(GetAddOnMetadata("pfUI", "Version")))
    pfUI.version.major = tonumber(major) or 1
    pfUI.version.minor = tonumber(minor) or 2
    pfUI.version.fix   = tonumber(fix)   or 0
    pfUI.version.string = pfUI.version.major .. "." .. pfUI.version.minor .. "." .. pfUI.version.fix

    pfUI:LoadConfig()
    pfUI:MigrateConfig()

    -- reload environment
    pfUI.environment:UpdateFonts()
    pfUI.environment:UpdateColors()

    -- unify module environment
    local env_pfui = {}
    setmetatable(env_pfui, {__index = getfenv(0)})

    -- load api into environment
    for m, func in pairs(pfUI.api) do
      env_pfui[m] = func
    end

    env_pfui.C = pfUI_config
    env_pfui.L = pfUI_locale[GetLocale()] or pfUI_locale["enUS"]

    for i,m in pairs(this.modules) do
      -- do not load disabled modules
      if pfUI_config["disabled"] and pfUI_config["disabled"][m]  == "1" then
        -- message("DEBUG: module " .. m .. " has been disabled")
      else
        setfenv(pfUI.module[m], env_pfui)
        pfUI.module[m]()
      end
    end
  end
end)

function pfUI:RegisterModule(n, f)
  pfUI.module[n] = f
  table.insert(pfUI.modules, n)
end

pfUI.backdrop = {
  bgFile = "Interface\\AddOns\\pfUI\\img\\col", tile = true, tileSize = 8,
  edgeFile = "Interface\\AddOns\\pfUI\\img\\border", edgeSize = 8,
  insets = {left = -1, right = -1, top = -1, bottom = -1},
}

pfUI.backdrop_small = {
  bgFile = "Interface\\AddOns\\pfUI\\img\\col", tile = true, tileSize = 8,
  insets = {left = -1, right = -1, top = -1, bottom = -1},
}

pfUI.backdrop_underline = {
  edgeFile = "Interface\\AddOns\\pfUI\\img\\underline", edgeSize = 8,
  insets = {left = 0, right = 0, top = 0, bottom = 0},
}

message = function (msg)
  DEFAULT_CHAT_FRAME:AddMessage("|cffcccc33INFO: |cffffff55"..msg)
end

ScriptErrors:SetScript("OnShow", function(msg)
  DEFAULT_CHAT_FRAME:AddMessage("|cffcc3333ERROR: |cffff5555"..ScriptErrors_Message:GetText())
  ScriptErrors:Hide()
end)

function pfUI.SetupCVars()
  ClearTutorials()
  TutorialFrame_HideAllAlerts()

  SetCVar("autoSelfCast", "1")
  SetCVar("profanityFilter", "0")

  MultiActionBar_ShowAllGrids()
  ALWAYS_SHOW_MULTIBARS = "1"

  SHOW_BUFF_DURATIONS = "1"
  QUEST_FADING_DISABLE = "1"
  NAMEPLATES_ON = "1"

  SHOW_COMBAT_TEXT = "1"
  COMBAT_TEXT_SHOW_LOW_HEALTH_MANA = "1"
  COMBAT_TEXT_SHOW_AURAS = "1"
  COMBAT_TEXT_SHOW_AURA_FADE = "1"
  COMBAT_TEXT_SHOW_COMBAT_STATE = "1"
  COMBAT_TEXT_SHOW_DODGE_PARRY_MISS = "1"
  COMBAT_TEXT_SHOW_RESISTANCES = "1"
  COMBAT_TEXT_SHOW_REPUTATION = "1"
  COMBAT_TEXT_SHOW_REACTIVES = "1"
  COMBAT_TEXT_SHOW_FRIENDLY_NAMES = "1"
  COMBAT_TEXT_SHOW_COMBO_POINTS = "1"
  COMBAT_TEXT_SHOW_MANA = "1"
  COMBAT_TEXT_FLOAT_MODE = "1"
  COMBAT_TEXT_SHOW_HONOR_GAINED = "1"
  UIParentLoadAddOn("Blizzard_CombatText")
end

pfUI.info = CreateFrame("Button", "pfInfoBox", UIParent)
pfUI.info:Hide()

pfUI.info.text = pfUI.info:CreateFontString("Status", "HIGH", "GameFontNormal")
pfUI.info.text:ClearAllPoints()
pfUI.info.text:SetFontObject(GameFontWhite)

pfUI.info.timeout = CreateFrame("StatusBar", nil, pfUI.info)
pfUI.info.timeout:SetStatusBarTexture("Interface\\AddOns\\pfUI\\img\\bar")
pfUI.info.timeout:SetStatusBarColor(.3,1,.8,1)

function pfUI.info:ShowInfoBox(text, time, parent, height)
  if not text then return end
  if not time then time = 5 end
  if not parent then parent = UIParent end
  if not height then height = 100 end

  pfUI.info:SetParent(parent)
  pfUI.info:ClearAllPoints()
  pfUI.info.text:SetAllPoints(pfUI.info)
  pfUI.info.text:SetText(text)
  pfUI.info.text:SetFont(pfUI.font_default, 14, "OUTLINE")

  pfUI.info:SetWidth(pfUI.info.text:GetStringWidth() + 50)
  pfUI.info:SetHeight(height)
  pfUI.info:SetFrameStrata("DIALOG")
  pfUI.api.CreateBackdrop(pfUI.info)
  pfUI.info:SetPoint("TOP", 0, -25)

  pfUI.info.timeout:ClearAllPoints()
  pfUI.info.timeout:SetPoint("TOPLEFT", pfUI.info, "TOPLEFT", 3, -3)
  pfUI.info.timeout:SetPoint("TOPRIGHT", pfUI.info, "TOPRIGHT", -3, 3)
  pfUI.info.timeout:SetHeight(2)
  pfUI.info.timeout:SetMinMaxValues(0, time)
  pfUI.info.timeout:SetValue(time)

  pfUI.info.duration = time
  pfUI.info.lastshow = GetTime()
  pfUI.info:Show()
end

pfUI.info:SetScript("OnUpdate", function()
  local time = pfUI.info.lastshow + pfUI.info.duration - GetTime()
  pfUI.info.timeout:SetValue(time)

  if GetTime() > pfUI.info.lastshow + pfUI.info.duration then
    pfUI.info:SetAlpha(pfUI.info:GetAlpha()-0.05)
  end

  if pfUI.info:GetAlpha() <= 0.1 then
    pfUI.info:Hide()
    pfUI.info:SetAlpha(1)
  end
end)

pfUI.info:SetScript("OnClick", function() this:Hide() end)