local files_to_grab_JSON = '{}';
local files_to_grab = textutils.unserialiseJSON(files_to_grab_JSON);

local install_directory = ""

local new_file_identifier = "--ccpm_filename "

local files_waiting = {};

local function fetchFile(pastebinID, filename)
    if fs.exists(filename) then
        fs.delete(filename);
    end

    return shell.execute("pastebin", "get", pastebinID, filename);
end

for pastebinID, filename in pairs(files_to_grab) do
    local success = fetchFile(pastebinID, filename);

    if success then
        table.insert(files_waiting, filename);
    end
end

local unconsumed_files = {};

local function consumeCompositeFile(fileHandle)
    local currentLine = fileHandle.readLine();
    local currentHandle = nil;

    while currentLine ~= nil do
        if string.find(currentLine, new_file_identifier) then
            -- new file, consume old one
            if currentHandle ~= nil then
                currentHandle.close();
            end

            local filename = string.sub(currentLine, #new_file_identifier + 1);
            currentHandle = fs.open(install_directory.."/"..filename, "w");
        elseif currentHandle ~= nil then
            currentHandle.writeLine(currentLine)
        end
        currentLine = fileHandle.readLine();
    end

    if currentHandle ~= nil then
        currentHandle.close();
    end
end

local inline_composite = [[--ccpm_filename index.lua
local module = require("folder.module")

print(module.skib);
--ccpm_filename folder/module.lua
local module = {}

module.skib = "Skibidi"

return module;]];

local function consumeFiles()
    if inline_composite ~= nil then
        local file = fs.open("temp.composite", "w");
        file.write(inline_composite);
        file.flush();
        consumeCompositeFile(file);
        return;
    end

    while #files_waiting > 0 do
        for index, filename in ipairs(files_waiting) do
            if fs.exists(filename) then
                table.remove(files_waiting, index);
                table.insert(unconsumed_files, filename);
            end
        end

        for _, temp_filename in ipairs(unconsumed_files) do
            local temp_file = fs.open(temp_filename, "r");
            consumeCompositeFile(temp_file)
            temp_file.close();
            fs.delete(temp_filename);
        end
    end
end

consumeFiles();