notes app

-- File Management System for CCTweaked (Updated)

local wireless = peripheral.find("modem")
local isWireless = wireless ~= nil
local notesDir = "/notes"

-- Create notes directory if it doesn't exist
if not fs.exists(notesDir) then
    fs.makeDir(notesDir)
end

-- Function to list all notes
local function listNotes()
    print("Available notes:")
    local files = fs.list(notesDir)
    for i, file in ipairs(files) do
        print(i .. ". " .. file)
    end
end

-- Function to create a new note
local function createNote()
    print("Enter the filename:")
    local filename = read()
    local path = fs.combine(notesDir, filename)

    if fs.exists(path) then
        print("File already exists!")
        return
    end

    print("Enter your note (press Enter twice to finish):")
    local lines = {}
    while true do
        local line = read()
        if line == "" then break end
        table.insert(lines, line)
    end

    local file = fs.open(path, "w")
    file.write(table.concat(lines, "\n"))
    file.close()
    print("Note created successfully!")
end

-- Function to view a note
local function viewNote()
    listNotes()
    print("Enter the number of the note to view:")
    local choice = tonumber(read())
    local files = fs.list(notesDir)

    if choice and files[choice] then
        local path = fs.combine(notesDir, files[choice])
        local file = fs.open(path, "r")
        print(file.readAll())
        file.close()
    else
        print("Invalid choice!")
    end
end

-- Function to edit a note
local function editNote()
    listNotes()
    print("Enter the number of the note to edit:")
    local choice = tonumber(read())
    local files = fs.list(notesDir)

    if choice and files[choice] then
        local path = fs.combine(notesDir, files[choice])
        local file = fs.open(path, "r")
        local content = file.readAll()
        file.close()

        print("Current content:")
        print(content)
        print("Enter new content (press Enter twice to finish):")

        local lines = {}
        while true do
            local line = read()
            if line == "" then break end
            table.insert(lines, line)
        end

        file = fs.open(path, "w")
        file.write(table.concat(lines, "\n"))
        file.close()
        print("Note updated successfully!")
    else
        print("Invalid choice!")
    end
end

-- Function to receive a single file
local function receiveFile()
    local event, _, channel, _, message = os.pullEvent("modem_message")
    if message.action == "file" then
        local path = fs.combine(notesDir, message.name)
        local f = fs.open(path, "w")
        f.write(message.content)
        f.close()
        print("Received: " .. message.name)
    end
end

-- Function to sync notes
local function syncNotes()
    if not isWireless then
        print("This computer doesn't have a wireless modem!")
        return
    end

    print("1. Send notes")
    print("2. Receive notes")
    print("3. Idle mode (receive updates)")
    local choice = tonumber(read())

    if choice == 1 then
        wireless.transmit(1, 1, {action="sync", data=fs.list(notesDir)})
        print("Sending notes...")
        for _, file in ipairs(fs.list(notesDir)) do
            local path = fs.combine(notesDir, file)
            local f = fs.open(path, "r")
            local content = f.readAll()
            f.close()
            wireless.transmit(1, 1, {action="file", name=file, content=content})
        end
        wireless.transmit(1, 1, {action="done"})
        print("Notes sent successfully!")
    elseif choice == 2 then
        print("Waiting to receive notes...")
        wireless.open(1)
        while true do
            local event, _, channel, _, message = os.pullEvent("modem_message")
            if message.action == "sync" then
                for _, file in ipairs(message.data) do
                    local path = fs.combine(notesDir, file)
                    if not fs.exists(path) then
                        print("Receiving: " .. file)
                        local f = fs.open(path, "w")
                        f.close()
                    end
                end
            elseif message.action == "file" then
                receiveFile()
            elseif message.action == "done" then
                break
            end
        end
        wireless.close(1)
        print("Notes received successfully!")
    elseif choice == 3 then
        print("Entering idle mode. Press any key to exit.")
        wireless.open(1)
        parallel.waitForAny(
            function()
                while true do
                    receiveFile()
                end
            end,
            function()
                os.pullEvent("key")
            end
        )
        wireless.close(1)
        print("Exited idle mode.")
    else
        print("Invalid choice!")
    end
end

-- Main menu
while true do
    print("\nFile Management System")
    print("1. List notes")
    print("2. Create note")
    print("3. View note")
    print("4. Edit note")
    print("5. Sync notes")
    print("6. Exit")

    local choice = tonumber(read())

    if choice == 1 then
        listNotes()
    elseif choice == 2 then
        createNote()
    elseif choice == 3 then
        viewNote()
    elseif choice == 4 then
        editNote()
    elseif choice == 5 then
        syncNotes()
    elseif choice == 6 then
        break
    else
        print("Invalid choice!")
    end
end

print("Thank you for using the File Management System!")