# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import os
import posixpath
import sys


def normpath(path):
    """Ensure UNIX style paths are used with GNU make on Windows.

    This can be removed once we no longer support GNU make on Windows (bug
    828317).
    """
    if os.environ.get('PYMAKE') or os.name not in ('nt', 'ce'):
        return path

    if len(path) > 2 and path[1] == ':':
        path = '/' + path[0] + path[2:]

    return posixpath.normpath(path)


if len(sys.argv) != 4:
    print >> sys.stderr, "Usage: copy_source.py " \
                         "<topsrcdir> <source directory> <target directory>"
    sys.exit(1)

topsrcdir = normpath(sys.argv[1])
source_dir = sys.argv[2]
target_dir = sys.argv[3]

print """
DEPTH     = ..
topsrcdir = %(topsrcdir)s
srcdir    = %(topsrcdir)s/addon-sdk
VPATH     = %(topsrcdir)s/addon-sdk

include $(topsrcdir)/config/config.mk
""" % {'topsrcdir': topsrcdir}

real_source = source_dir.replace('/', os.sep)
if not os.path.exists(real_source):
    print >> sys.stderr, "Error: Missing source file %s" % real_source
    sys.exit(1)
elif not os.path.isdir(real_source):
    print >> sys.stderr, "Error: Source %s is not a directory" % real_source
    sys.exit(1)
for dirpath, dirnames, filenames in os.walk(real_source):
    if not filenames:
        continue
    dirpath = dirpath.replace(os.sep, '/')
    relative = dirpath[len(source_dir):]
    varname = "COMMONJS%s" % relative.replace('/', '_')
    print "%s_FILES = \\" % varname
    for name in filenames:
        print "  %s/%s \\" % (dirpath, name)
    print "  $(NULL)"
    print "%s_DEST = %s%s" % (varname, target_dir, relative)
    print "INSTALL_TARGETS += %s\n" % varname

print "include $(topsrcdir)/config/rules.mk"