local fs = require("filesystem")
local recipeLib = load(fs:readAllText("./recipeParseLib.lua"), "recipeParseLib.lua")()

local args = table.pack(...)

local resultItem = args[1]
assert(resultItem, "supply the item you want to add a recipe for as the first item")

local crafter = components:getFirst("digitalCrafter")

local recipes = crafter:searchRecipesWithResult(resultItem)

assert(#recipes > 0, ("no recipe found for %s."):format(resultItem))


local function acToLuaRecipe(acRecipe)
    return {
        resultCount = acRecipe.resultCount,
        slots = acRecipe.ingredients,
        resultItem = acRecipe.result
    } 
end

local kernel = require("kernel")
local keyEvents = {}
kernel:registerEventCallback("charTyped", function(...) table.insert(keyEvents, {...}) end)
kernel:registerEventCallback("keyPressed", function(...) table.insert(keyEvents, {...}) end)

---@param eventFilterOrNil "charTyped"|"keyPressed"|nil
local function waitForInputEvent(eventFilterOrNil)
    sleep(0)
    while #keyEvents == 0 do sleep(0.5) end
    local res = table.remove(keyEvents, 1)
    if eventFilterOrNil == nil or res[1] == eventFilterOrNil then
        return res
    else
        return waitForInputEvent(eventFilterOrNil) or tailCallsAreSus
    end
end

local recipe = recipes[1]
if #recipes > 1 then
    print("Looks like there are multiple recipes. Please pick one of the following by typing the number on the left and then enter.")
    for index, value in ipairs(recipes) do
        print(("%d: %s"):format(index, recipeLib:serializeSingleRecipe(acToLuaRecipe(value))))
    end

    local buf = ""
    while true do
        printInline(("\rSelection: %s_"):format(buf))
        local ctyped, repr = table.unpack(waitForInputEvent("charTyped"))
        if repr == "\b" then
            buf = buf:sub(1, #buf-1)
        elseif repr == "\n" then
            break
        elseif repr ~= nil then
            buf = buf .. repr
        end
    end

    print()
    local selection = tonumber(buf)
    if selection == nil or selection < 1 or selection > #recipes then
        error(("The inputted number '%s' is not a valid option"):format(buf))
    end
    recipe = recipes[selection]
end

recipeLib:addNewRecipe(acToLuaRecipe(recipe))

print(("Done, added the following recipe:\n%s"):format(recipeLib:serializeSingleRecipe(acToLuaRecipe(recipe))))