local Widget = {}
local Reactive = require("Core.Reactive")

local function ResetWatcher(widget)
    if widget.health_watcher then
        widget.health_watcher:Destroy()
        widget.health_watcher = nil
    end
    if widget.hunger_watcher then
        widget.hunger_watcher:Destroy()
        widget.hunger_watcher = nil
    end
end

function Widget:OnDestroy()

end


function Widget:Refresh(args)
    local role = args.role
    if role == nil then return end
    self:BindRole(role)
end

function Widget:BindRole(role)
    ResetWatcher(self)
    self.health_watcher = Reactive.Watcher(function()
        self.HealthBar:SetPercent(role:GetHealthPercent())
    end)

    self.hunger_watcher = Reactive.Watcher(function()
        self.HungerBar:SetPercent(role:GetHungerPercent())
    end)

end

return Class(nil, nil, Widget)