local EventUtils = {}

-- steps utils

function EventUtils.getStepStructure(stepName)
  local stepTypeList = require "game.events.arguments"
  return stepTypeList[stepName]
end

function EventUtils.stepExists(stepName)
  return (EventUtils.getStepStructure(stepName) ~= nil)
end

function EventUtils.validateStep(stepBaseDatas)
  local structure = EventUtils.getStepStructure(stepBaseDatas[1])
  if (structure == nil) then
    return false
  else
    return ((#structure + 2) == #stepBaseDatas)
  end
end

function EventUtils.getStepDatas(stepBaseDatas)
  local stepData = {}
  stepData.name = stepBaseDatas[1]

  if (EventUtils.validateStep(stepBaseDatas)) then
    stepData.condition = stepBaseDatas[2]

    local structure = EventUtils.getStepStructure(stepData.name)

    stepData.arguments = {}

    for i, argumentName in ipairs(structure) do
      local argumentContent = stepBaseDatas[i + 2]
      stepData.arguments[argumentName] = argumentContent
    end

    return stepData
  else
    error("L'étape " .. stepData.name .. " à un nbr d'argument incorrect")
  end
end

return EventUtils