#!/usr/bin/env lua
local doc = require "lib/doc"
local tA = {...}

local outpath = table.remove(tA,1)

print(outpath)

local function formatDocs(fd)
 local rs = ""
 for name,finfo in pairs(fd) do
  if rs:len() > 0 then
   rs = rs .. "\n\n"
  end
  local as = ""
  for k,v in pairs(finfo.args) do
   if k > 1 then
    as = as .. ", "
   end
   as = as .. v[1]
   if v[2] then
    as = as .. "^"..v[2].."^"
   end
  end
  local rt = ""
  for k,v in pairs(finfo.outtypes or {}) do
   if rt:len() > 0 then
    rt = rt .. ", "
   else
    rt = ": "
   end
   rt = rt .. v
  end
  rs = string.format("%s## %s(%s)%s\n%s",rs,name,as,rt,finfo.description)
 end
 return rs
end

os.execute("sh -c 'mkdir -p "..outpath .. "'")
if outpath:sub(#outpath) == "/" then outpath = outpath:sub(1, #outpath - 1) end
local ad = io.open(outpath.."/apidoc.md","w")

for k,v in pairs(tA) do
 local fd = doc.parsefile(v)
 local ds = formatDocs(fd)
 print(string.format("%s: %i",v,ds:len()))
 if ds and ds:len() > 0 then
  os.execute("sh -c 'mkdir -p $(dirname \""..outpath.."/"..v.."\")'")
  local f = io.open(outpath.."/"..v:gsub("%.lua$",".md"),"wb")
  f:write(string.format("# %s\n\n",v))
  f:write(ds)
  f:write("\n\n")
  f:close()
  ad:write(string.format("# %s\n\n",v))
  ad:write(ds)
  ad:write("\n\n")
 end
end

ad:close()