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 saved variables
pfUI_playerDB = {}
pfUI_config = {}
pfUI_init = {}
pfUI_profiles = {}
pfUI_gold = {}

-- localization
pfUI_locale = {}
pfUI_translation = {}

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

-- setup pfUI namespace
setmetatable(pfUI.env, {__index = getfenv(0)})

function pfUI:GetEnvironment()
  -- load api into environment
  for m, func in pairs(pfUI.api or {}) do
    pfUI.env[m] = func
  end

  local lang = pfUI_config.global and pfUI_translation[pfUI_config.global.language] and pfUI_config.global.language or GetLocale()
  local T = setmetatable(pfUI_translation[lang] or {}, { __index = function(tab,key)
    local value = tostring(key)
    rawset(tab,key,value)
    return value
  end})

  pfUI.env._G = getfenv(0)
  pfUI.env.T = T
  pfUI.env.C = pfUI_config
  pfUI.env.L = (pfUI_locale[GetLocale()] or pfUI_locale["enUS"])

  return pfUI.env
end

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
    -- 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()

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

    -- load skins
    for i,s in pairs(this.skins) do
      if not ( pfUI_config["disabled"] and pfUI_config["disabled"]["skin_" .. s]  == "1" ) then
        setfenv(pfUI.skin[s], pfUI:GetEnvironment())
        pfUI.skin[s]()
      end
    end
  end
end)

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

function pfUI:RegisterSkin(n, f)
  pfUI.skin[n] = f
  table.insert(pfUI.skins, n)
end

pfUI.backdrop = {
  bgFile = "Interface\\BUTTONS\\WHITE8X8", tile = false, tileSize = 0,
  edgeFile = "Interface\\BUTTONS\\WHITE8X8", edgeSize = 1,
  insets = {left = -1, right = -1, top = -1, bottom = -1},
}
pfUI.backdrop_no_top = pfUI.backdrop

pfUI.backdrop_hover = {
  edgeFile = "Interface\\BUTTONS\\WHITE8X8", edgeSize = 24,
  insets = {left = -1, right = -1, top = -1, bottom = -1},
}

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

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

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

  ConsoleExec("CameraDistanceMaxFactor 5")

  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