"""
Master script for making distributable installers on Linux and Mac.
"""

from __future__ import absolute_import, division, print_function
from libtbx.auto_build.installer_utils import *
from libtbx.auto_build import setup_installer
from libtbx.auto_build import create_mac_pkg
from libtbx.auto_build import make_bundle
import libtbx.phil.command_line
import libtbx.load_env
from optparse import OptionParser
import shutil
import os.path as op
import time
import os
import sys

master_phil_str = """
package_name = CCTBX
  .type = str
pkg_prefix = cctbx
  .type = str
hide_mac_package_contents = False
  .type = bool
installer_script = cctbx_project/libtbx/auto_build/plus_installer.py
  .type = path
license = cctbx_project/libtbx/LICENSE_2_0.txt
  .type = path
background = None
  .type = path
bin_dir = None
  .type = path
readme = None
  .type = path
  .multiple = True
source_module = None
  .type = str
  .multiple = True
base_module = None
  .type = str
  .multiple = True
exclude_module = None
  .type = str
  .multiple = True
organization = gov.lbl.cci
  .type = str
"""

def full_path(path_name):
  if op.isabs(path_name):
    return path_name
  else :
    path_name_ = libtbx.env.find_in_repositories(
      relative_path=path_name,
      test=op.isfile)
    if (path_name_ is None):
      raise RuntimeError("Can't find path %s" % path_name)
    return path_name_

def run(args):
  parser = OptionParser()
  parser.add_option("--tmp-dir", dest="tmp_dir", action="store",
    help="Temporary directory for assembling packages", default=None)
  parser.add_option("--dist-dir", dest="dist_dir", action="store",
    help="Distribution directory", default=None)
  parser.add_option("--debug", dest="debug", action="store_true")
  parser.add_option("--mtype", dest="mtype", action="store",
    help="Architecture type", default=machine_type())
  parser.add_option("--host-tag", dest="host_tag", action="store",
    help="Host tag (OS/distribution label)", default=None)
  parser.add_option("--version", dest="version", action="store",
    help="Package version",
    default=time.strftime("%Y_%m_%d", time.localtime()))
  parser.add_option("--remove_src", dest="remove_src")
  parser.add_option("--no-pkg", dest="no_pkg", action="store_true",
    help="Disable Mac graphical (.pkg) installer")
  parser.add_option("--make-app", dest="make_apps", action="append",
    help="App bundle to create")
  # TODO installer background?
  options, args = parser.parse_args(args)
  if (len(args) == 0):
    # XXX defaults for CCTBX installer if no parameter file specified
    args = [
      "source_module=cbflib",
      "source_module=annlib",
      "source_module=cbflib_adaptbx",
      "exclude_module=phenix_regression",
      "exclude_module=phenix_dev",
      "exclude_module=chem_data",
    ]
  phil_cmdline = libtbx.phil.command_line.process(
    args=args,
    master_string=master_phil_str)
  params = phil_cmdline.work.extract()
  print("This will be %s-%s" % (params.package_name, options.version))
  root_dir = op.dirname(op.dirname(libtbx.env.find_in_repositories(
    relative_path="cctbx_project",
    test=op.isdir)))
  print("Root directory is %s" % root_dir)
  modules_dir = op.join(root_dir, "modules")
  build_dir = op.join(root_dir, "build")
  base_dir = op.join(root_dir, "base")
  if (not (op.isdir(modules_dir) and op.isdir(build_dir) and
           op.isdir(base_dir))):
    raise RuntimeError(
      "Expected 'modules', 'build', and 'base' in root directory")

  if (options.dist_dir is None):
    options.dist_dir = op.join(root_dir, "dist", options.version)
  if (not op.isdir(options.dist_dir)):
    os.makedirs(options.dist_dir)
  print("Distribution directory is %s" % options.dist_dir)

  if (options.tmp_dir is None):
    options.tmp_dir = op.join(root_dir, "tmp")
  if (not op.isdir(options.tmp_dir)):
    os.makedirs(options.tmp_dir)
  print("Temporary directory is %s" % options.tmp_dir)

  os.chdir(options.tmp_dir)
  installer_dir = "%s-installer-%s" % (params.pkg_prefix, options.version)
  if op.exists(installer_dir):
    shutil.rmtree(installer_dir)
  tar_prefix = installer_dir
  suffix = ""
  if (options.host_tag is not None):
    suffix = options.host_tag
  else :
    suffix = options.mtype

  #############################
  # Run setup_installer.py
  setup_args = [
    "--version=%s" % options.version,
    "--binary",
    "--script=%s"%full_path(params.installer_script),
    "--pkg_dir=%s" % modules_dir,
  ]
  if (len(params.readme) > 0):
    for readme in params.readme :
      setup_args.append("--readme=%s" % full_path(readme))
  if (len(params.base_module) > 0):
    setup_args.append("--base-modules=%s" % ",".join(params.base_module))
  if (params.license):
    setup_args.append("--license=%s" % full_path(params.license))
  print("Arguments for setup_installer.py:")
  for arg_ in setup_args :
    print("  %s" % arg_)
  setup_installer.run(args=setup_args + [ params.pkg_prefix ])
  print("setup_installer.py done.")

  #############################
  # Bundle
  os.chdir(options.tmp_dir)
  assert op.isdir(installer_dir), installer_dir
  bundle_dir = op.join(options.tmp_dir, installer_dir, "bundles")
  os.mkdir(bundle_dir)
  # create bundles of base, build, and module directories
  bundle_args = [
    "--dest=%s" % bundle_dir,
    "--version=%s" % options.version,
    #"--verbose",
  ]
  if (len(params.exclude_module) > 0):
    for module in params.exclude_module :
      bundle_args.append("--ignore=%s" % module)
  if (len(params.base_module) > 0):
    for module in params.base_module :
      bundle_args.append("--ignore=%s" % module)
  print("Arguments for make_bundle.py:")
  for arg_ in bundle_args :
    print("  %s" % arg_)
  make_bundle.run(args=bundle_args + [ root_dir ])
  print("make_bundle.py done.")

  #############################
  # package the entire mess into the complete installer
  find_and_delete_files(installer_dir, file_ext=".pyc")
  os.chdir(options.tmp_dir)
  installer_tar = os.path.join(options.dist_dir, '%s-%s.tar.gz'%(installer_dir, suffix))
  call("tar czf %s %s" % (installer_tar, installer_dir))
  print("Wrote %s" % installer_tar)

  #############################
  # Mac .pkg creation
  os.chdir(options.tmp_dir)
  if (sys.platform == "darwin") and (not getattr(options, "no_pkg", False)):
    if (not os.access("/Applications", os.W_OK|os.X_OK)):
      print("Can't access /Applications - skipping .pkg build")
    else :
      os.chdir(installer_dir)
      pkg_prefix = "/Applications"
      app_root_dir = pkg_prefix + "/" + "%s-%s" % (params.pkg_prefix,
        options.version)

      print("Removing existing Applications directory:", app_root_dir)
      try:
        shutil.rmtree(app_root_dir)
      except Exception as e:
        print(e)

      print("hide_mac_package_contents?", params.hide_mac_package_contents)
      if params.hide_mac_package_contents :
        app_root_dir = "/Applications/%s-%s"%(params.package_name,
          options.version)
        pkg_prefix = app_root_dir + "/Contents"
        try: os.makedirs(pkg_prefix)
        except Exception: pass

      call("./install --prefix=%s --compact --no-app" % pkg_prefix)
      install_dir = "%s/%s-%s" % (pkg_prefix,params.pkg_prefix,options.version)

      # generate .app launchers
      if (options.make_apps):
        exe_path = "%s/build/bin/libtbx.create_mac_app" % install_dir
        apps_log = open("py2app.log", "w")
        for app_name in options.make_apps :
          app_args = [
            exe_path,
            "--app_name=%s-%s" % (app_name, options.version),
            "--python_interpreter=/usr/bin/python",
            "--dest=%s" % app_root_dir,
            app_name,
          ]
          call(" ".join(app_args), log=apps_log)

      # Copy env.* files to top-level directory
      if params.hide_mac_package_contents :
        for file_name in os.listdir(install_dir):
          if file_name.endswith("_env.csh") or file_name.endswith("_env.sh"):
            copy_file(op.join(install_dir, file_name),
                      op.join(app_root_dir, file_name))
        docs_dir = op.join(install_dir, "doc")
        if op.isdir(docs_dir):
          shutil.copytree(docs_dir, op.join(app_root_dir, "doc"))

      create_mac_pkg.run(args=[
        "--package_name=%s" % params.package_name,
        "--version=%s" % options.version,
        "--license=%s" % full_path(params.license),
        "--organization=%s" % params.organization,
        "--machine_type=%s" % suffix,
        "--dist-dir=%s"%options.dist_dir,
        app_root_dir,
      ])

  return 0

if (__name__ == "__main__"):
  sys.exit(run(sys.argv[1:]))