require("factsheet")

local binding_time_mult = 1
local binding_prod_mult = 5
local separation_time_mult = 1/2
local separation_prod_mult = 2
local vapor_time_mult = 2
local vapor_prod_mult = 5
local screening_efficiency = 0.8

chem_category_list = {
	"crafting-with-fluid",
	"chemistry",
	"drugs",
	"drugs-et-et",
	"drugs-to-et",
	"drugs-et-to",
	"drugs-to-to",
	"drugs-tre-tre",
	"agitation",
	"advanced-agitation",
	"drugged-science",
	"gold-mining",
	"super-gold-mining"
}

function is_chem_category(category)
	if type(category) ~= "string" then return false end
	for _,category_name in pairs(chem_category_list) do
		if category == category_name then return true end
	end
	return false
end

smelting_category_list = {
	"smelting"
}

function is_smelting_category(category)
	if type(category) ~= "string" then return false end
	for _,category_name in pairs(smelting_category_list) do
		if category == category_name then return true end
	end
	return false
end

manufacturing_names = {
	"steel-plate",
	"belt",
	"inserter",
	"rounds",
	"barrel"
}

manufacturing_subgroups = {
	"intermediate-product",
	"science-pack",
}

catalyst_names = {
	"iron-plate",
	"copper-plate",
}

function manufacturing_needed_for(ingredient)
	if type(ingredient) ~= "table" then return false end
	local itemname = ingredient.name or ingredient[1]
	for _,matchname in pairs(manufacturing_names) do
		if itemname:match(matchname)
		or itemname == matchname then
			return true
		end
	end
	if type(data.raw.item[itemname]) == "table" then
		if data.raw.item[itemname].normal
		or data.raw.item[itemname].expensive then
			for _,subgroup in pairs(manufacturing_subgroups) do
				if (
					data.raw.item[itemname].normal.subgroup
					or data.raw.item[itemname].expensive.subgroup
				) == subgroup then
					return true
				end
			end
		end
		for _,subgroup in pairs(manufacturing_subgroups) do
			if data.raw.item[itemname].subgroup == subgroup then
				return true
			end
		end
	end
	return false
end

function is_plate(io_type)
	local io_type = io_prototype_or_bust(io_type)
	if not io_type then return end
	return (io_type.name or io_type[1]):match("plate")
end

function is_catalyst(io_type)
	local io_type = io_prototype_or_bust(io_type)
	if not io_type then return end
	if io_type.catalyst_amount then
	 	if io_type.catalyst_amount > 0 then
			return true
		else
			return false
		end
	end
	local itemname = io_type.name or io_type[1]
	for _,matchname in pairs(catalyst_names) do
		if itemname:match(matchname)
		or itemname == matchname then
			return true
		end
	end
	return false
end

function chemical_category(
	name,
	solid_input_count,
	solid_output_count,
	fluid_input_count,
	fluid_output_count,
	catalyst_inputs,
	catalyst_outputs,
	takes_water,
	outputs_water,
	uses_carbonation
)
	local solid_output_count = solid_output_count - catalyst_outputs
	local solid_input_count = solid_input_count - catalyst_inputs

	if uses_carbonation then
		solid_input_count = solid_input_count - 1
	end

	if fluid_input_count == 0
	and fluid_output_count == 0 then
		if solid_input_count < solid_output_count then
			return "adamo-chemical-separation"
		elseif solid_input_count == solid_output_count then
			return "adamo-chemical-manufacturing"
		elseif solid_output_count == 1
		and solid_input_count > 1 then
			return "adamo-chemical-firing"
		else
			return "adamo-chemical-manufacturing"
		end
	end

	if solid_output_count == 0
	and solid_input_count == 0 then
		return "adamo-chemical-vaporworks"
 	end

 	-- from this point everything has fluids and solids

	if takes_water
	and fluid_input_count == 1
	and solid_input_count == 0
	then
		return "adamo-chemical-vaporworks"
	end

	if solid_input_count > solid_output_count
	and fluid_input_count > 0
	and fluid_output_count > 0
	and fluid_input_count >= solid_input_count
	then
		return "adamo-chemical-disassociation"
	end

	if takes_water then
		fluid_input_count = fluid_input_count - 1
	end

	-- water is incidental for these

	if fluid_input_count == 0
	and fluid_output_count == 0 then
		if solid_input_count < solid_output_count then
			return "adamo-chemical-separation"
		end
	end

	if solid_input_count == solid_output_count then
		if fluid_input_count < fluid_output_count then
			return "adamo-chemical-recovery"
		elseif fluid_input_count == fluid_output_count then
			if fluid_input_count > 0 then
				return "adamo-chemical-displacement"
			end
			return "adamo-chemical-binding"
		elseif fluid_input_count > fluid_output_count then
			return "adamo-chemical-activation"
		end
	end

	if takes_water then
		fluid_input_count = fluid_input_count + 1
	end

	if fluid_input_count > 0
	--and fluid_output_count >= 0 implied
	and solid_output_count > 0
	and solid_output_count < (fluid_output_count + 2)
	then
		if solid_input_count < solid_output_count
		or (
			(
				solid_input_count
				- fluid_input_count
				+ fluid_output_count
			) < solid_output_count
		) then
			return "adamo-chemical-deposition"
		end
		if solid_input_count > solid_output_count
		and fluid_output_count == 0 then
			return "adamo-chemical-binding"
		end
	end

	return "adamo-chemical-manufacturing"
end

-- Calcination smelting should give back some resources.
-- at time_norm 5 and 150kW, ~10-25 ore_norm is the range
-- between stone and steel furnace power use
local ore_norm = 10
local time_norm = 4
local calcinate_recipe = function(recipe,mult)
	local recipe = recipe_or_bust(recipe)
	if not recipe then return nil end
	if type(mult) ~= "number"
	or mult <= 0 then mult = ore_norm end
	local calcined_recipe = util.table.deepcopy(recipe)
	mult_recipe_energy(
		calcined_recipe,mult*time_norm/ore_norm
	)
	mult_recipe_io(calcined_recipe,mult)
	calcined_recipe.name = calcined_recipe.name.."-calcined"
	calcined_recipe.category = "adamo-chemical-firing"
	calcined_recipe.subgroup = "adamo-chemical-firing"
	if uses_ingredient(recipe,"iron-plate") then
		replace_in_recipe_io(
			calcined_recipe,
			"iron-plate",
			"iron-ore"
		)
	end
	if uses_ingredient(recipe,"copper-plate") then
		replace_in_recipe_io(
			calcined_recipe,
			"copper-plate",
			"copper-ore"
		)
	end
	local toss,ore_count,toss =
		get_ingredient(calcined_recipe,"iron-ore")
	if ore_count == 0 then
		toss,ore_count,toss =
			get_ingredient(calcined_recipe,"copper-ore")
	end
	if ore_count == 0 then
		toss,stone_count,toss =
			get_ingredient(calcined_recipe,"stone")
		if stone_count > 0 then
			replace_in_recipe_io(
				calcined_recipe,
				"stone",
				"adamo-chemical-clinker",
				1/2
			)
			add_ingredient(
				calcined_recipe,"adamo-chemical-calcite",
				math.ceil(stone_count/2)
			)
			return calcined_recipe
		else
			return nil
		end
	end
	local mineral_count = ore_count/20
	local flux_input = math.ceil(mineral_count*2)
	local clinker_ratio = 1/3 -- to match gypsum
	local clinker_output = clinker_ratio*flux_input
	local clinker_count = clinker_ratio*flux_input
	local clinker_prob = nil
	if clinker_output > 1 then
		clinker_count = math.ceil(clinker_output)
		clinker_prob = clinker_count/clinker_output
	end
	add_ingredient(
		calcined_recipe,"adamo-chemical-calcite",
		flux_input
	)
	add_result(
		calcined_recipe,"adamo-chemical-fluorite",
		mineral_count,
		(fluorite_ratio)

	)
	if data.raw.item["SiSi-quartz"] then
		add_result(
			calcined_recipe,"SiSi-quartz",
			mineral_count,
			quartz_ratio
		)
	end
	if data.raw.item["adamo-chemical-quartz"] then
		add_result(
			calcined_recipe,"adamo-chemical-quartz",
			mineral_count,
			quartz_ratio
		)
	end
	add_result(
		calcined_recipe,"sulfur",
		mineral_count,
		(1 - fluorite_ratio - quartz_ratio)
	)
	add_result(
		calcined_recipe,"adamo-chemical-clinker",
		clinker_count,
		clinker_prob
	)
	return calcined_recipe
end

-- Generate chemical engineering recipes.
-- Should be able to use hydrofluoric acid to clean chips, make batteries, do science.
local processing_unit_from_hf_recipe =
	util.table.deepcopy(data.raw.recipe["processing-unit"])
processing_unit_from_hf_recipe.name = "adamo-chemical-processing-unit"
for _,ingredient in pairs(processing_unit_from_hf_recipe.normal.ingredients) do
	if ingredient.type and ingredient.name == "sulfuric-acid" then
		ingredient.name = "adamo-chemical-hydrofluoric-acid"
	end
end
for _,ingredient in pairs(processing_unit_from_hf_recipe.expensive.ingredients) do
	if ingredient.type and ingredient.name == "sulfuric-acid" then
		ingredient.name = "adamo-chemical-hydrofluoric-acid"
	end
end
local fluoride_battery_recipe =
	util.table.deepcopy(data.raw.recipe["battery"])
fluoride_battery_recipe.name =
	"adamo-chemical-fluoride-battery"
fluoride_battery_recipe.normal.result_count = 1
fluoride_battery_recipe.normal.ingredients = {{
		name = "copper-plate", type = "item",
		amount = 1,	catalyst_amount = 0
	},{
		"adamo-chemical-calcite",1
	},{
		"solid-fuel",1
	},{
		name = "adamo-chemical-hydrofluoric-acid",
		type = "fluid",
		amount = 10
}}
fluoride_battery_recipe.expensive.result_count = 1
fluoride_battery_recipe.expensive.ingredients = {{
		name = "copper-plate", type = "item",
		amount = 2,	catalyst_amount = 0
	},{
		"adamo-chemical-calcite",2
	},{
		"solid-fuel",2
	},{
		name = "adamo-chemical-hydrofluoric-acid",
		type = "fluid",
		amount = 20
}}
local fluorite_science_pack = util.table.deepcopy(
	data.raw.recipe["chemical-science-pack"]
)
fluorite_science_pack
.name = "chemical-science-pack-from-fluorite"
mult_recipe_energy(fluorite_science_pack,1/2)
replace_recipe_io(
	fluorite_science_pack,
	"sulfur",
	"adamo-chemical-fluorite",
	1
)
mult_recipe_io(
	fluorite_science_pack,
	1.5,
	"chemical-science-pack"
)
mult_recipe_io(
	fluorite_science_pack,
	1.5,
	"engine-unit"
)
data:extend({
	processing_unit_from_hf_recipe,
	fluoride_battery_recipe,
	fluorite_science_pack
})
add_recipe_to_tech(
	"advanced-electronics-2",
	processing_unit_from_hf_recipe.name
)
add_recipe_to_tech(
	"adamo-chemical-fluorine-processing",
	fluoride_battery_recipe.name
)
add_recipe_to_tech(
	"chemical-science-pack",
	fluorite_science_pack.name
)

set_productivity_recipes({
		fluoride_battery_recipe.name,
		processing_unit_from_hf_recipe.name,
		fluorite_science_pack.name
})

-- Now make copies of everything.
for _,recipe in pairs(data.raw.recipe) do
	local category = get_recipe_category(recipe)
	local main_result = get_main_result(recipe)
	local new_category
	local solid_input_count = 0
	local fluid_input_count = 0
	local solid_output_count = 0
	local fluid_output_count = 0
	local uses_plates = false
	local catalyst_inputs = 0
	local catalyst_outputs = 0
	local takes_water = false
	local outputs_water = false
	local uses_carbonation = false
	local uses_manufacturing = false
	if is_smelting_category(category)
	and has_ingredients(recipe) and has_results(recipe) then
		local calcined_recipe = calcinate_recipe(recipe)
		if calcined_recipe then
			mirror_recipe_in_techs(
				recipe,
				calcined_recipe
			)
			if is_productivity_recipe(recipe) then
				set_productivity_recipe(calcined_recipe)
			end
			data:extend({calcined_recipe})
		end
	end
	if is_chem_category(category)
	and has_ingredients(recipe) and has_results(recipe) then
		for k,ingredient 
		in pairs(
			recipe.ingredients
			or recipe.expensive.ingredients
			or recipe.normal.ingredients
		) do
			if ingredient.type ~= "fluid" then
				if manufacturing_needed_for(ingredient) then
					uses_manufacturing = true
				end
				if is_plate(ingredient) then
					uses_plates = true
				end
				if is_catalyst(ingredient) then
					catalyst_inputs = catalyst_inputs + 1
				end
				if (ingredient.name or ingredient[1])
				== "solid-fuel" then
					uses_carbonation = true
				end
				solid_input_count = solid_input_count + 1
			elseif ingredient.name == "water" then
				takes_water = true
				fluid_input_count = fluid_input_count + 1
			else
				fluid_input_count = fluid_input_count + 1
			end
		end
		if type(recipe.results) == "table"
		or (
			recipe.expensive 
			and type(recipe.expensive.results) == "table"
		) or (
			recipe.normal 
			and type(recipe.normal.results) == "table"
		) then
			for k,result
			in pairs(
				recipe.results
				or recipe.expensive.results
				or recipe.normal.results
			) do
				if result.type ~= "fluid" then
					solid_output_count = solid_output_count + 1
					if is_catalyst(result) then
						catalyst_outputs = catalyst_outputs + 1
					end
				else
					if result.name == "water" then
						outputs_water = true
					end
					fluid_output_count = fluid_output_count + 1
				end
			end
		elseif recipe.result then
			solid_output_count = 1
		elseif recipe.normal.result then
			solid_output_count = 1
		elseif recipe.expensive.result then
			solid_output_count = 1
		end
		-- Assign new recipe type.
		if uses_manufacturing then
			new_category = "adamo-chemical-manufacturing"
		elseif 2*catalyst_inputs 
		> (fluid_input_count + solid_input_count) then
			new_category = "adamo-chemical-manufacturing"
		else
			new_category = chemical_category(
				recipe.name,
				solid_input_count,
				solid_output_count,
				fluid_input_count,
				fluid_output_count,
				catalyst_inputs,
				catalyst_outputs,
				takes_water,
				outputs_water,
				uses_carbonation
			)
			if new_category == "adamo-chemical-binding"
			and not adamochemical.mixer then
				new_category = "adamo-chemical-manufacturing"
			end
		end
		if not (
			new_category == "adamo-chemical-manufacturing"
			and category == "crafting-with-fluid"
		) then
			local new_recipe = util.table.deepcopy(recipe)
			format_ingredients(new_recipe)
			format_results(new_recipe)
			new_recipe.name = "adamo-cc-"..recipe.name
			if main_result then
				set_main_product(new_recipe,main_result)
			end
			new_recipe.category = new_category
			new_recipe.subgroup = new_category
			if new_category == "adamo-chemical-binding" then
				mult_recipe_energy(new_recipe,binding_time_mult)
				mult_recipe_io(new_recipe,binding_prod_mult)
			elseif new_category == "adamo-chemical-separation" then
				mult_recipe_energy(new_recipe,separation_time_mult)
				mult_recipe_io(new_recipe,separation_prod_mult)
			elseif new_category == "adamo-chemical-vaporworks" then
				mult_recipe_energy(new_recipe,vapor_time_mult)
				mult_recipe_io(new_recipe,vapor_prod_mult)
			end
			fill_recipe_tint(new_recipe)
			new_recipe.always_show_products = true
			new_recipe.show_amount_in_title = true
			data:extend({new_recipe})
			if is_productivity_recipe(recipe) then
				set_productivity_recipe(new_recipe)
			end
			mirror_recipe_in_techs(recipe,new_recipe)
		end
	end
end

-- Screeners should screen.
if data.raw["recipe-category"]["screening"] then
	for _,recipe in pairs(data.raw.recipe) do
		if recipe.category == "adamo-chemical-separation" then
			local screen_recipe = 
			util.table.deepcopy(recipe)
			screen_recipe.name = 
				screen_recipe.name
				.."-by-screening"
			screen_recipe.category = "screening"
			screen_recipe.hide_from_player_crafting = true
			screen_recipe.order = screen_recipe.order
			if uses_ingredient(screen_recipe,"water") then
				remove_ingredient(screen_recipe,"water")
				for _,ingred_name in pairs(
					get_io_names(screen_recipe)
				) do
					mult_recipe_io(
						screen_recipe,
						1/screening_efficiency,
						ingred_name
					)
					mult_recipe_io(
						screen_recipe,
						separation_time_mult
					)
					mult_recipe_energy(
						screen_recipe,
						separation_time_mult
					)
				end
			end
			data:extend({screen_recipe})
			mirror_recipe_in_techs(recipe,screen_recipe)
			if is_productivity_recipe(recipe) then
				set_productivity_recipe(screen_recipe)
			end
		end
	end
end