local ActorManager = Object:extend()
local entities = require "scenes.battlesystem.entities"

local POSITIONS = {
  {x = 3, y = 4},
  {x = 2, y = 2},
  {x = 2, y = 6},
}

function ActorManager:new(controller)
  self.controller = controller

  self.turns      = {}
  self.turns.current      = 1
  self.turns.number       = 1
  self.turns.isFinished   = true
  self.turns.changeActor  = true
  self.actorlist  = {}
  self.actionlist = {}

  self.cursor = self.turns.current

  for i, v in ipairs(game.characters.team) do
    self:addCharacter(POSITIONS[i].x, POSITIONS[i].y, v, i)
  end

  self:addEnnemy(10, 3, "motobug")
  self:addEnnemy(10, 5, "motobug")
end

function ActorManager:generateActionList()
  self.actionlist = {}

  for i,v in ipairs(self.actorlist) do
    for i=1, v.actionPerTurn do
      local action = {}
      action.actor  = v
      action.number = i
      table.insert(self.actionlist, action)
    end
  end
end

function ActorManager:sendSignalToCurrentEntity()
  self.actionlist[self.turns.current].actor:validateAction()
end

function ActorManager:addCharacter(x, y, id)
  local char = entities.Character(self.controller, x, y, id)

  table.insert(self.actorlist, char)
end

function ActorManager:addEnnemy(x, y, id)
  local enn = entities.Ennemy(self.controller, x, y, id)

  table.insert(self.actorlist, enn)
end

function ActorManager:switchActiveActor()
  if (self.turns.isFinished) or (self.turns.current >= #self.actionlist) then
    self.turns.current = 1
    self.turns.isFinished = false
    self.turns.number = self.turns.number + 1
    self:recalculateTurns()
  else
    self.turns.current = self.turns.current + 1
  end

  self.actionlist[self.turns.current].actor:setActive()
  self.turns.changeActor = false
end

local function sortActors(a, b)
  local astats = a.actor:getStats()
  local bstats = b.actor:getStats()
  local aspeed = astats.speed / 1.5 * a.number
  local bspeed = bstats.speed / 1.5 * b.number


  if (aspeed == bspeed) then
    if (a.actor.isHero == b.actor.isHero) then
      return (a.actor.id > b.actor.id)
    else
      return a.actor.isHero
    end
  else
    return (aspeed > bspeed)
  end
end

function ActorManager:recalculateTurns()
  self:generateActionList()
  table.sort(self.actionlist, sortActors)
end

function ActorManager:update(dt)

  if (self.turns.changeActor) then
    self:switchActiveActor( )
  end

  local cursorSpeed = 16

  if (self.turns.current == 1) then
    cursorSpeed = 16 * 4
  end

  if math.abs(self.cursor - self.turns.current) > (cursorSpeed * dt) then
    self.cursor = self.cursor - utils.math.sign(self.cursor - self.turns.current) * cursorSpeed * dt
  else
    self.cursor = self.turns.current
  end

end

function ActorManager:countEnnemy()
  local count = 0

  for i,v in ipairs(self.entities) do
    if (v.isEnnemy) then
      count = count + 1
    end
  end

  return count
end

function ActorManager:draw()
  for i,v in ipairs(self.actionlist) do
    v.actor:drawIcon(4 + (i-1)*(20), 6)
  end
  self.controller.assets.images["menucursor"]:draw(self.cursor * 20 - 6, 26, math.rad(-90), 1, 1, 4, 8)

  for i,v in ipairs(self.actorlist) do
    v:drawHUD()
  end
end

return ActorManager