#!/usr/bin/env lua
local sitelib = require "sitelib"
local fs = require "lfs"

print("Copying static content...")
--os.execute("cp -rv static/* out/")
for k,v in pairs({"jpg","jpeg","png","gif"}) do
os.execute("find static/ -name '*."..v.."' -exec echo '{}' \\;")
end

print("Building list of markdown files")
local mdfiles = {}
local dqueue = {sitelib.srcpath}
for k,path in pairs(dqueue) do
 for file in fs.dir(path) do
  if file:sub(1,1) ~= "." then
   local attr = fs.attributes(path.."/"..file)
   if attr.mode == "directory" then
    dqueue[#dqueue+1] = path.."/"..file
   elseif file:sub(-3) == ".md" then
    mdfiles[#mdfiles+1] = path.."/"..file
   end
  end
 end
end

if not fs.attributes(sitelib.gopherpath) then
 fs.mkdir(sitelib.outpath)
end

print("Creating directories")
for k,v in pairs(dqueue) do
 local path = sitelib.outpath..v:sub(sitelib.srcpath:len()+1)
 fs.mkdir(path)
 print(path)
end

print("Generating output files")
for k,infile in pairs(mdfiles) do
 local outfile = (sitelib.gopherpath..infile:sub(sitelib.srcpath:len()+1))
 print(infile,outfile)
 local f = io.open(infile,"rb")
 local c = f:read("*a")
 f:close()
 local page = sitelib.parsepage(c)
 local f = io.open(outfile,"wb")
 if page.title then
  f:write("# "..page.title.."\n")
 end
 if page.author then
  f:write("By "..page.author.."\n")
 end
 if page.date then
  f:write(page.date.."\n")
 end
 f:write(page.md)
 if page.tags then
  f:write("Tags: "..page.tags)
 end
 f:close()
end