local PlayerInteractions = Object:extend()

function PlayerInteractions:initInteractions()
    self.lastCollision = -1
    self.haveCollided = false
end

function PlayerInteractions:updateInteraction()
    if (self.haveCollided == false) then
        self.lastCollision = nil
    end
    self.haveCollided = false
end

function PlayerInteractions:collideWithGizmo(other)
    if (other.needButton) then
        if (self.keys["A"].isPressed) then
            other:doAction()
            self.haveCollided = true
            self.lastCollision = other.creationID
        end
    else
        if (self.lastCollision ~= other.creationID) then
            other:doAction()
        end
        self.haveCollided = true
        self.lastCollision = other.creationID
    end
end

function PlayerInteractions:talkToGizmo(other)
    if (self.keys["A"].isPressed and (self:faceRightDirection(other))) then
        other:doAction()
        self.haveCollided = true
        self.lastCollision = other.creationID
    end
end

function PlayerInteractions:faceRightDirection(other)
  if (self.charDir == "up") then
    return (self.y >= other.y + other.h)
  end
  if (self.charDir == "down") then
    return (self.y + self.h <= other.y)
  end
  if (self.charDir == "left") then
    return (self.x >= other.x + other.w)
  end
  if (self.charDir == "right") then
    return (self.x + self.w <= other.x)
  end
end

return PlayerInteractions