recipe

local w, h = term.getSize()
term.setBackgroundColor(colors.black)
term.clear()

local offset = 0
function words(string, x, y, txtcol, bakcol)
  if txtcol then
    term.setTextColor(txtcol)
  end
  if bakcol then
    term.setBackgroundColor(bakcol)
  end
  if not tonumber(x) then
    if string.sub(x, 0, 1) == "l" then
      if x == "l" or x == "left" then
        term.setCursorPos(1, y)
      elseif string.sub(x, 3, 3) == "+" or string.sub(x, 6, 6) == "+" then
        offset = tonumber(string.sub(x, 5, 5)) or tonumber(string.sub(x, 8, 8))
        term.setCursorPos(1 + offset, y)
      end
    elseif string.sub(x, 0, 1) == "c" then
      if x == "center" or x == "c" then
        term.setCursorPos(w / 2 - #string / 2 + 1, y)
      elseif string.sub(x, 3, 3) == "+" or string.sub(x, 8, 8) == "+" then
        offset = tonumber(string.sub(x, 5, 5)) or tonumber(string.sub(x, 10, 10))
        term.setCursorPos(w / 2 - #string / 2 + 1 + offset, y)
      elseif string.sub(x, 3, 3) == "-" or string.sub(x, 8, 8) == "-" then
        offset = tonumber(string.sub(x, 5, 5)) or tonumber(string.sub(x, 10, 10))
        term.setCursorPos(w / 2 - #string / 2 + 1 - offset, y)
      end
    elseif string.sub(x, 0, 1) == "r" then
      if x == "right" or x == "r" then
        term.setCursorPos(w - #string + 1, y)
      elseif string.sub(x, 3, 3) == "-" or string.sub(x, 7, 7) == "-" then
        offset = tonumber(string.sub(x, 5, 5)) or tonumber(string.sub(x, 9, 9))
        term.setCursorPos(w - #string + 1 - offset, y)
      end
    end
  else
    term.setCursorPos(x, y)
  end
  term.write(string)
end

function clickCheck(x, y, x2, y2)
  if clicked[3] >= x and clicked[3] <= x2 and clicked[4] >= y and clicked[4] <= y2 then
    return true
  else
    return false
  end
end

function resetTxtBak()
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
end

local header = "Recipe Hub"
function initializeTop()
  words(header, "c", 1)
  term.setCursorPos(1, 2)
  for i = 1, w do
    term.write("-")
  end
end
initializeTop()
words("Add a Recipe", "l + 3", 3)
words("Use a Recipe", "r - 3", 3)
words("Begin", "c", 4)

local action = nil
local finished = false
while not finished do
  clicked = {os.pullEvent("mouse_click")}
  if clickCheck(4, 3, 15, 3) then
    words("Add a Recipe", "l + 3", 3, colors.white, colors.blue)
    words("Use a Recipe", "r - 3", 3, colors.white, colors.black)
    action = "add"
  end
  if clickCheck(w - 14, 3, w - 3, 3) then
    words("Add a Recipe", "l + 3", 3, colors.white, colors.black)
    words("Use a Recipe", "r - 3", 3, colors.white, colors.blue)
    action = "use"
  end
  if clickCheck(18, 4, 22, 4) then
    if action then
      words("Begin", "c", 4, colors.green, colors.black)
      sleep(.1)
      finished = true
    else
      for i = 1, 2 do
        words("Begin", "c", 4, colors.red, colors.black)
        sleep(.1)
        words("Begin", "c", 4, colors.white, colors.black)
        sleep(.1)
      end
    end
  end
end

local finished = false
local stage = 1
local change = 0
local data = nil
local newRecipe = {}
resetTxtBak()
term.clear()
if action == "add" then
  action = nil
  header = "Add a Recipe"
  initializeTop()
  words("Stage " .. tostring(stage), "l", 3)
  words("Craft", "l + 5", 5)
  words("Smelt", "r - 5", 5)
  words("Record", "l", 7)
  while not finished do
    clicked = {os.pullEvent("mouse_click")}
    if clickCheck(6, 5, 10, 5) then
      words("Craft", "l + 5", 5, colors.white, colors.brown)
      words("Smelt", "r - 5", 5, colors.white, colors.black)
      action = "craft"
    end
    if clickCheck(w - 10, 5, w - 5, 5) then
      words("Craft", "l + 5", 5, colors.white, colors.black)
      words("Smelt", "r - 5", 5, colors.orange, colors.gray)
      action = "smelt"
    end
    if clickCheck(1, 7, 6, 7) then
      words("Record", "l", 7, colors.green, colors.black)
      if action then
        local change = 0
        for i = 1, 9 do
          turtle.select(i + change)
          data = turtle.getItemDetail(i + change)
          if data then
            newRecipe[i] = tostring(data.name)
          end
          if i == 3 then change = 1 end
          if i == 6 then change = 2 end
        end
        shell.run("cd recipes")
        oTemp = fs.open("recipes/temp", "w")
        for line in io.lines("recipes/list") do
          oTemp.writeLine(line)
        end
        os.loadAPI("recipes/list")
        local num = #list.recipeslist + 1
        oTemp.writeLine("recipeslist[" .. num .. "] = {}")
        for i, v in pairs(newRecipe) do
          oTemp.writeLine("recipeslist[" .. num .. "][" .. i .. "] = " .. v)
        end
        oTemp.flush()
        oTemp.close()
        shell.run("delete list")
        shell.run("copy temp list")
        shell.run("delete temp")
        shell.run("cd /")
      else
        for i = 1, 2 do
          words("Record", 1, 5, colors.red, colors.black)
          sleep(.1)
          words("Record", 1, 5, colors.white, colors.black)
          sleep(.1)
        end
      end
    end
  end
elseif action == "use" then
  action = nil
  header = "Use a Recipe"
  initializeTop()

end