-- osx-bundle.lua - Support for Max OS X bundles

module(..., package.seeall)

local nodegen  = require "tundra.nodegen"
local files    = require "tundra.syntax.files"
local path     = require "tundra.path"
local util     = require "tundra.util"
local depgraph = require "tundra.depgraph"

_osx_bundle_mt = nodegen.create_eval_subclass { }
_compile_nib_mt = nodegen.create_eval_subclass { }

function _osx_bundle_mt:create_dag(env, data, deps)
  local bundle_dir = data.Target
  local pass = data.Pass
  local contents = bundle_dir .. "/Contents"
  local copy_deps = {}

  local infoplist = data.InfoPList
  copy_deps[#copy_deps+1] = files.hardlink_file(env, data.InfoPList, contents .. "/Info.plist", pass, deps)

  if data.PkgInfo then
    copy_deps[#copy_deps+1] = files.hardlink_file(env, data.PkgInfo, contents .. "/PkgInfo", pass, deps)
  end

  if data.Executable then
    local basename = select(2, path.split(data.Executable))
    copy_deps[#copy_deps+1] = files.hardlink_file(env, data.Executable, contents .. "/MacOS/" .. basename, pass, deps)
  end

  local dirs = {
    { Tag = "Resources", Dir = contents .. "/Resources/" },
    { Tag = "MacOSFiles", Dir = contents .. "/MacOS/" },
  }

  for _, params in ipairs(dirs) do
    local function do_copy(fn)
      local basename = select(2, path.split(fn))
      copy_deps[#copy_deps+1] = files.hardlink_file(env, fn, params.Dir .. basename, pass, deps)
    end

    local items = data[params.Tag]
    for _, dep in util.nil_ipairs(nodegen.flatten_list(env:get('BUILD_ID'), items)) do
      if type(dep) == "string" then
        do_copy(dep)
      else
        local node = dep:get_dag(env)
        print(node)
        deps[#deps+1] = node
        local files = {}
        node:insert_output_files(files)
        for _, fn in ipairs(files) do
          do_copy(fn)
        end
      end
    end
  end

  return depgraph.make_node {
    Env          = env,
    Pass         = pass,
    Label        = "OsxBundle " .. data.Target,
    Dependencies = util.merge_arrays_2(deps, copy_deps),
  }
end

function _compile_nib_mt:create_dag(env, data, deps)
  return depgraph.make_node {
    Env          = env,
    Pass         = data.Pass,
    Label        = "CompileNib $(@)",
    Action       = "$(NIBCC)",
    Dependencies = deps,
    InputFiles   = { data.Source },
    OutputFiles  = { "$(OBJECTDIR)/" .. data.Target },
  }
end

nodegen.add_evaluator("OsxBundle", _osx_bundle_mt, {
  Target = { Type = "string", Required = true, Help = "Target .app directory name" },
  Executable = { Type = "string", Help = "Executable to embed" },
  InfoPList = { Type = "string", Required = true, Help = "Info.plist file" },
  PkgInfo = { Type = "string", Help = "PkgInfo file" },
  Resources = { Type = "filter_table", Help = "Files to copy to 'Resources'" },
  MacOSFiles = { Type = "filter_table", Help = "Files to copy to 'MacOS'" },
})

nodegen.add_evaluator("CompileNib", _compile_nib_mt, {
  Source = { Type = "string", Required = true },
  Target = { Type = "string", Required = true },
})