Logbook Generation

systems = {'Sol','Proxima','Centauri','Betelgeuse'}
objectives = {{'Independent Courier',2,'Take package to Proxima station','Give package to Rep. Pruitt'},{'Intelligence Gathering',3,'Head to Centauri station','Access files via Deck B','Return Files to Lt. Montague'}}

while true do
    update = commands.scoreboard("players test @a Update 1")
    if update then
        page1 = "Visited Systems"
        pageob = ""
        commands.clear("@a written_book")
        for n = 1, #systems do
            testa = commands.scoreboard("players test @a Visit_" .. systems[n] .. " 1")
            if testa then
                page1 = page1 .. "\\\\n- " .. systems[n]
            end
        end
        for i = 1, #objectives do
                valid, response2 = commands.scoreboard("players test @a Objective" .. i .. " 1")
                if valid then
                    page = '"[\\"\\",{\\"text\\":\\"' .. objectives[i][1] .. '\\\\n\\\\n\\"},{\\"text\\":\\"'
                    complete = commands.scoreboard("players test @a Objective".. i .. " " .. objectives[i][2]+1)
                    if complete then
                        for j = 1, objectives[i][2] do
                            page = page .. objectives[i][2+j]
                            if j < objectives[i][2] then
                                page = page .. "\\\\n"
                            end
                        end
                        page = page .. '\\",\\"strikethrough\\":true}]"'
                    else
                        for j = 1, objectives[i][2] do
                            pass = commands.scoreboard("players test @a Objective" .. i .. " " .. j .. " " .. j)
                            if pass then
                                current = j
                            end
                       end
                       for j = 1, current-1 do
                           page = page .. objectives[i][2+j] .. "\\\\n"
                       end
                       page = page .. '\\",\\"strikethrough\\":true},{\\"text\\":\\"' .. objectives[i][current] .. '"color\\":\\"reset\\"}]",'
                       pageob = pageob .. page
                    end
                end
        end
        commands.give('@a written_book 1 0 {title:"Logbook",author:"Galactic Authority ",pages:["{text:\\"' .. page1 .. '\\"}",' .. pageob .. ']}')
        commands.scoreboard("players set @a Update 0")
        print(response[1])
    end
end