--- A DEPLOYTASK orchestrates the deployment of CARGO within a specific landing zone.
-- @module DEPLOYTASK



--- A DeployTask
-- @type DEPLOYTASK
DEPLOYTASK = {
  ClassName = "DEPLOYTASK",
  TEXT = { "Deploy", "deployed", "unloaded" },
  GoalVerb = "Deployment"
}


--- Creates a new DEPLOYTASK object, which models the sequence of STAGEs to unload a cargo.
-- @function [parent=#DEPLOYTASK] New
-- @param #string CargoType Type of the Cargo.
-- @return #DEPLOYTASK The created DeployTask
function DEPLOYTASK:New( CargoType )
	local self = BASE:Inherit( self, TASK:New() )
	self:F()

	local Valid = true
  
    if Valid then
		self.Name = 'Deploy Cargo'
		self.TaskBriefing = "Fly to one of the indicated landing zones and deploy " .. CargoType .. ". Your co-pilot will provide you with the directions (required flight angle in degrees) and the distance (in km) to the deployment zone."
		self.CargoType = CargoType
		self.GoalVerb = CargoType .. " " .. self.GoalVerb
		self.Stages = { STAGE_CARGO_INIT:New(), STAGE_CARGO_LOAD:New(), STAGEBRIEF:New(), STAGESTART:New(), STAGEROUTE:New(), STAGELANDING:New(), STAGELANDED:New(), STAGEUNLOAD:New(), STAGEDONE:New() }
		self.SetStage( self, 1 )
	end
  
	return self
end

function DEPLOYTASK:ToZone( LandingZone )
	self:F()

	self.LandingZones.LandingZoneNames[LandingZone.CargoZoneName] = LandingZone.CargoZoneName
	self.LandingZones.LandingZones[LandingZone.CargoZoneName] = LandingZone
	
	return self
end


function DEPLOYTASK:InitCargo( InitCargos )
	self:F( { InitCargos } )

	if type( InitCargos ) == "table" then
		self.Cargos.InitCargos = InitCargos
	else
		self.Cargos.InitCargos = { InitCargos }
	end

	return self
end


function DEPLOYTASK:LoadCargo( LoadCargos )
	self:F( { LoadCargos } )

	if type( LoadCargos ) == "table" then
		self.Cargos.LoadCargos = LoadCargos
	else
		self.Cargos.LoadCargos = { LoadCargos }
	end

	return self
end


--- When the cargo is unloaded, it will move to the target zone name.
-- @param string TargetZoneName Name of the Zone to where the Cargo should move after unloading.
function DEPLOYTASK:SetCargoTargetZoneName( TargetZoneName )
	self:F()
  
  local Valid = true
  
  Valid = routines.ValidateString( TargetZoneName, "TargetZoneName", Valid )
  
  if Valid then
    self.TargetZoneName = TargetZoneName
  end
  
  return Valid
  
end

function DEPLOYTASK:AddCargoMenus( Client, Cargos, TransportRadius )
	self:F()

	local ClientGroupID = Client:GetClientGroupID()
	
	self:T( ClientGroupID )
	
	for CargoID, Cargo in pairs( Cargos ) do

		self:T( { Cargo.ClassName, Cargo.CargoName, Cargo.CargoType, Cargo.CargoWeight } )
		
		if Cargo:IsStatusLoaded() and Client == Cargo:IsLoadedInClient() then

			if Client._Menus[Cargo.CargoType] == nil then
				Client._Menus[Cargo.CargoType] = {}
			end
			
			if not Client._Menus[Cargo.CargoType].DeployMenu then
				Client._Menus[Cargo.CargoType].DeployMenu = missionCommands.addSubMenuForGroup(
					ClientGroupID, 
					self.TEXT[1] .. " " .. Cargo.CargoType, 
					nil
				)
				self:T( 'Added DeployMenu ' .. self.TEXT[1] )
			end
			
			if Client._Menus[Cargo.CargoType].DeploySubMenus == nil then
				Client._Menus[Cargo.CargoType].DeploySubMenus = {}
			end
			
			if Client._Menus[Cargo.CargoType].DeployMenu == nil then
				self:T( 'deploymenu is nil' )
			end

			Client._Menus[Cargo.CargoType].DeploySubMenus[ #Client._Menus[Cargo.CargoType].DeploySubMenus + 1 ] = missionCommands.addCommandForGroup(
				ClientGroupID, 
				Cargo.CargoName .. " ( " .. Cargo.CargoWeight .. "kg )",
				Client._Menus[Cargo.CargoType].DeployMenu, 
				self.MenuAction,
				{ ReferenceTask = self, CargoTask = Cargo }
			)
			self:T( 'Added DeploySubMenu ' .. Cargo.CargoType .. ":" .. Cargo.CargoName .. " ( " .. Cargo.CargoWeight .. "kg )" )
		end
	end

end

function DEPLOYTASK:RemoveCargoMenus( Client )
	self:F()

	local ClientGroupID = Client:GetClientGroupID()
	self:T( ClientGroupID )

	for MenuID, MenuData in pairs( Client._Menus ) do
		if MenuData.DeploySubMenus ~= nil then
			for SubMenuID, SubMenuData in pairs( MenuData.DeploySubMenus ) do
				missionCommands.removeItemForGroup( ClientGroupID, SubMenuData )
				self:T( "Removed DeploySubMenu " )
				SubMenuData = nil
			end
		end
		if MenuData.DeployMenu then
			missionCommands.removeItemForGroup( ClientGroupID, MenuData.DeployMenu )
			self:T( "Removed DeployMenu " )
			MenuData.DeployMenu = nil
		end
	end

end