local ChoregraphySystem = Object:extend()

local actionList = require "scenes.battlesystem.actors.systems.actions"

function ChoregraphySystem:new(actor)
  self.actor = actor
  self:init({}, nil, self.actor.x, self.actor.y, false)
end

function ChoregraphySystem:init(choregraphy, effectArea, dx, dy, isActive)
  self.current      = 0
  self.action       = nil
  self.isFinished   = false

  self.data         = choregraphy
  self.effectArea   = effectArea

  self.startx       = self.actor.x
  self.starty       = self.actor.y
  self.direction    = self.actor.direction

  self.dx           = dx or self.actor.x
  self.dy           = dy or self.actor.y

  self.haveSentDamage = false

  self.isActive       = isActive
  self.actionHaveEnded = false
end

function ChoregraphySystem:start(skill, dx, dy)
  local skill = skill
  self:init(skill.choregraphy, skill.effectArea, dx, dy, true)
end

function ChoregraphySystem:finish()
  self.isActive = false
  self.actor:switchActiveBattler()
end

function ChoregraphySystem:update(dt)
  if (self.actionHaveEnded) then
    self.action = nil
    self.actionHaveEnded = false
  end

  if (self.isActive) then
    if (self.action == nil) then
      self:switchAction()
    else
      self.action:update(dt)
    end
  end
end

function ChoregraphySystem:switchAction()
  self.current = self.current + 1
  local nextAction = self.data[self.current]

  if (nextAction == nil) then
    print("finished")
    self:finish()
  else
    local args = game.skills:getActionArguments(nextAction)
    local condition = args.condition
    if (condition == "sentDamage") and (not self.haveSentDamage) then
      core.debug:print("cbs/hero", "you didn't do damage, skipping " .. args.name)
      self:switchAction()
    else
      self:doAction(nextAction)
    end

  end
end

function ChoregraphySystem:doAction(choregraphyAction)
  local args = game.skills:getActionArguments(choregraphyAction)
  local type = args.type or "unknown"
  local effectArea = self.effectArea

  local action = actionList[type]

  if (action == nil) then
    core.debug:warning("cbs/hero", "unknown action type " .. type .. ' (' .. args.name .. ')')
  else
    self.action = action(self, args, effectArea)
  end
end

function ChoregraphySystem:endAction()
  self.action = nil
  self.actionHaveEnded = true
end

return ChoregraphySystem