local cmp = require("component")
local fs = require("filesystem")
local shell = require("shell")
local args = shell.parse(...)

local printer = cmp.openprinter
local paddr = printer.address

local printLines = {}

function splitAdd(ln)
    local line
    ln:gsub('(%s*)(%S+)',
      function(spc, word)
        local len = 0
        if line then
            len = printer.charCount(line)
        end
        len = len + #spc + #word
         if not line or len > 29 then
            table.insert(printLines, line)
            line = word
         else
            line = line..spc..word
         end
      end
    )
    table.insert(printLines, line)
end

function doPrint()
    printer.setTitle(args[1])
    for i=1, #printLines do
        printer.writeln(printLines[i])
    end
    printer.print()
end

if #args < 2 then
    print("Usage: fileprinter [title] [filepath]")
else
    if not fs.exists(args[2]) then
        print("File not found: "..args[2])
    else
        local file = io.open(args[2], "r")


        for line in file:lines() do
            --ln = line:gsub("(?:§[0-9a-fk-or])+","")
            if printer.charCount(line) > 29 then
                splitAdd(line)
            else
                table.insert(printLines, line)
            end
        end
        doPrint()

    end
end