local _, ns = ...
local ReAction = ns.ReAction

ReAction.PROFILEVERSION_LATEST = 2

ReAction.defaultProfile = { 
  profile = {
    dbversion = nil,
    bars = { },
    options = { 
      hideBlizzardBars = false,
      hideBlizzardVehicleBar = false,
    },
  },
  global = {
    skipKeybindWarning = false,
  }
}

function ReAction:UpgradeProfile()
  local db = self.db

  if not db.profile.dbversion then
    -- upgrade from legacy db to v1

    -- (1) remove unused defaultBars table (cleanup)
    db.profile.defaultBars = nil

    -- (2) HideBlizzard is no longer a module
    local hb = db:GetNamespace("HideBlizzard",true) or db:RegisterNamespace("HideBlizzard")
    if hb then
      db.profile.options.hideBlizzardBars = hb.profile.hide
      db.profile.options.hideBlizzardVehicleBar = hb.profile.hideVehicle
      hb:ResetProfile()
    end

    -- (3) LBF is no longer a module
    local bf = db:GetNamespace("ButtonFacade",true) or db:RegisterNamespace("ButtonFacade")
    if bf then
      for name, bar in pairs(db.profile.bars) do
        bar.ButtonFacade = bf.profile[name] or bar.ButtonFacade
      end
      bf:ResetProfile()
    end

    -- (4) Action module uses the bar config directly
    local action = db:GetNamespace("Action",true) or db:RegisterNamespace("Action")
    if action then
      for name, bar in pairs(db.profile.bars) do
        local ac = action.profile.bars and action.profile.bars[name]
        if ac then
          for key, value in pairs(ac) do
            bar[key] = value
          end
        end
      end
      action:ResetProfile()
    end

    -- (5) Bags module uses the bar config directly
    local bag = db:GetNamespace("Bag",true) or db:RegisterNamespace("Bag")
    if bag then
      for name, bar in pairs(db.profile.bars) do
        local bc = bag.profile.buttons and bag.profile.buttons[name]
        if bc then
          bar.buttons = bc
        end
      end
      bag:ResetProfile()
    end

    -- (6) Pet module uses the bar config directly
    local pet = db:GetNamespace("PetAction",true) or db:RegisterNamespace("PetAction")
    if pet then
      for name, bar in pairs(db.profile.bars) do
        local pc = pet.profile.buttons and pet.profile.buttons[name]
        if pc then
          bar.buttons = pc
        end
      end
      pet:ResetProfile()
    end

    -- (7) Stance module uses the bar config directly
    local stance = db:GetNamespace("Stance",true) or db:RegisterNamespace("Stance")
    if stance then
      for name, bar in pairs(db.profile.bars) do
        local sc = stance.profile.buttons and stance.profile.buttons[name]
        if sc then
          bar.buttons = sc
        end
      end
      stance:ResetProfile()
    end

    -- (8) Totem module uses the bar config directly
    local totem = db:GetNamespace("Totem",true) or db:RegisterNamespace("Totem")
    if totem then
      for name, bar in pairs(db.profile.bars) do
        local tc = totem.profile.buttons and totem.profile.buttons[name]
        if tc then 
          bar.buttons = tc
        end
      end
      totem:ResetProfile()
    end

    -- (9) Vehicle exit button uses the bar config directly
    local vehicle = db:GetNamespace("VehicleExit",true) or db:RegisterNamespace("VehicleExit")
    if vehicle then
      for name, bar in pairs(db.profile.bars) do
        local vc = vehicle.profile.buttons and vehicle.profile.buttons[name]
        if vc then
          bar.buttons = vc
        end
      end
      vehicle:ResetProfile()
    end

    db.profile.dbversion = 1
  end


  if db.profile.dbversion < 2 then
    -- upgrade from v1 to v2

    -- (10) State module uses the bar config directly
    local state = db:GetNamespace("State",true) or db:RegisterNamespace("State")
    if state then
      for name, bar in pairs(db.profile.bars) do
        local sc = state.profile.bars and state.profile.bars[name] and state.profile.bars[name].states
        if sc then
          bar.states = sc
        end
      end
      state:ResetProfile()
    end

    db.profile.dbversion = 2
  end

  db.profile.dbversion = self.PROFILEVERSION_LATEST
end

function ReAction:OnProfileChanged()
  self:UpgradeProfile()
  self:RebuildAll()
  if not self.db.global.skipKeybindWarning then
    StaticPopup_Show("REACTION_KB_WARN") -- see Options.lua
  end
end

function ReAction:OnNewProfile()
  self.db.profile.dbversion = ReAction.PROFILEVERSION_LATEST
  self:OnProfileChanged()
end