local vec2 = require "vec2"
local vec3 = require "vec3"
local transf = require "transf"
local constructionutil = require "constructionutil"
local paramsutil = require "paramsutil"
local zPos = 0

function data()
	-- Default (no commonapi, no changes to parameters)
	local paramfn = function(params)
		return params
	end
	-- Do we have commonapi loaded?
	if ((commonapi2 ~= nil) and (commonapi2.uiparameter ~= nil)) then
		-- replace paramfn with a function calling commonapi
		paramfn = function(params) 
			-- you can pass all object parameters for TrackCatenarySelector
			-- additional a selectionlist to be modifed
			commonapi2.uiparameter.modifyTrackCatenary(params, {
				selectionlist = config.trackTypes
			})
			
			return params
		end
	end

return { 
	type = "ASSET_DEFAULT",
	description = {
		name = _("Nordstadt"),			
		description = _("Nordstadt Station Asset"),
		icon = "ui/construction/station/nordstadt.tga"
	},
	availability = { yearFrom = 1800 },
	buildMode = "MULTI",	
	--?order = { value = 0 },
	categories = { "stations" },
	skipCollision = true,
	autoRemovable = false,	
	
	params = paramfn({


		{
			key = "scale_xyz",
			name = _("Scale XYZ"),
  			uiType = "SLIDER",
			values = {  _("60%"),_("65%"), _("70%"),_("75%"), _("80%"), _("85%"), _("90%"), _("95%"), _("100%"), _("105%"), _("110%"), _("115%"), _("120%"), _("125%"), _("130%"), _("135%"), _("140%"), _("145%"), _("150%"), _("Mania"), },
			defaultIndex = 8,		    
		},
		{
			key = "workers",
			name = _("Arbeiter"),
			uiType = "CHECKBOX",
			values = { _("0"), _("1") }
		},
		{
			key = "Rcapacities",
			uiType = "SLIDER",
			values = { _("0"), _("5"), _("10"), _("15"), _("20"), _("25"),  }
		},
		{
			key = "clients",
			name = _("Clients"),
			uiType = "CHECKBOX",
			values = { _("0"), _("1") }
		},
		{
			key = "Ccapacities",
			uiType = "SLIDER",
			values = { _("0"), _("5"), _("10"), _("15"), _("20"), _("25"), }
		},

		{
			key = "alignTerrain",
			name = _("Align Terrain"),
			values = { _("No"),_("Yes"),  },
			defaultIndex = 1,
		},

	}),
	
	updateFn = function(params)
		local result = { }

		result.models = {}

		local scalingBuildingXYZ = ((params.scale_xyz * 5) + 60) * 0.01

		local scalingBuildingX = scalingBuildingXYZ
		local scalingBuildingY = scalingBuildingXYZ
		local scalingBuildingZ = scalingBuildingXYZ
		
		result.models[#result.models + 1] = { id = "nordstat.mdl", transf = transf.scaleRotZYXTransl(vec3.new( scalingBuildingX, scalingBuildingY, scalingBuildingZ ), transf.degToRad(0, 0, 0), vec3.new(0, 0, 0)) }
		

		if params.alignTerrain == 1 then

		local terrainFaces = {}

		local faces_all = {
			{-30.01*scalingBuildingX, 0*scalingBuildingY, 0, 1.0},
			{-30.01*scalingBuildingX, -16.57*scalingBuildingY, 0, 1.0},
			{32.00*scalingBuildingX, -16.57*scalingBuildingY, 0, 1.0},
			{32.00*scalingBuildingX, 0*scalingBuildingY, 0, 1.0},
		}
		

		-- terrain
			result.terrainAlignmentLists = { { type = "EQUAL", faces = terrainFaces, slopeLow = 0.75 } }
			terrainFaces[#terrainFaces + 1] =  faces_all 

		-- ground
			result.groundFaces = { { face = faces_all, modes = { { type = "FILL", key = "shared/gravel_03.gtex.lua" } }, loop = true, alignmentOffsetMode = "OBJECT", alignmentDirMode = "OBJECT", alignmentOffset = { -2.0, -1.0 }, }, }
		--	result.groundFaces = { { face = faces_all, modes = { { type = "FILL", key = "shared/asphalt_02.gtex.lua" } }, loop = true, alignmentOffsetMode = "OBJECT", alignmentDirMode = "OBJECT", alignmentOffset = { -2.0, -1.0 }, }, }
		else

		result.terrainAlignmentLists = { {
			type = "EQUAL",
			faces =  { },
			loop = true,
			alignmentOffsetMode = "OBJECT",
			alignmentDirMode = "OBJECT",
			alignmentOffset = { -2.0, -1.0 },
		} }

		end
		local RPerson = ( 5 * params.Rcapacities )
		local CPerson = ( 5 * params.Ccapacities )
			if params.residents == 1 then
				result.personCapacity = { type = "INDUSTRIAL", capacity = RPerson, }
			end
		
			
			if params.clients == 1 then
				result.personCapacity = { type = "COMMERCIAL", capacity = CPerson, }
			end
		return result
	end
}