-- Function to copy files from one directory to another
local function copyFiles(sourceDir, destDir)
    for _, file in ipairs(fs.list(sourceDir)) do
        if not fs.isDir(destDir) then
            fs.makeDir(destDir)
        end
        local sourcePath = fs.combine(sourceDir, file)
        local destPath = fs.combine(destDir, file)
        fs.copy(sourcePath, destPath)
    end
end

-- Function to eject all disks
local function ejectDisks()
    for _, side in ipairs(rs.getSides()) do
        if peripheral.getType(side) == "disk_drive" then
            peripheral.call(side, "eject")
        end
    end
end

-- Function to simulate installation
local function simulateInstallation()
    -- Copy every file from /disk/install-files to the root of the computer
    copyFiles("/disk/install-files", "/")

    -- Copy /disk to /root
    fs.copy("/disk", "/root")

    -- Eject all disk positions
    ejectDisks()

    -- Rename /root as /disk/os/gui
    fs.move("/root", "/disk/os/gui")
end

-- Call the function to simulate installation
simulateInstallation()