#!/usr/bin/env python
# Copyright (c) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# 
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This is a very simple script designed to crawl the build directory
# for visual studio express build logs and print them to stdout.

from __future__ import with_statement

import codecs
import os.path
import os

from webkitpy.common.system.executive import Executive


# This is just enough to make the win-ews bot useable.  Others who
# actually use Windows should feel encouraged to improve this class,
# including just printing the text instead of the raw html.
class PrintVisualStudioExpressLogs(object):
    def __init__(self):
        self._executive = Executive()

    def _find_buildlogs(self, build_directory):
        build_log_paths = []
        for dirpath, dirnames, filenames in os.walk(build_directory):
            for file_name in filenames:
                if file_name == "BuildLog.htm":
                    file_path = os.path.join(dirpath, file_name)
                    build_log_paths.append(file_path)
        return build_log_paths

    def _obj_directory(self):
        scripts_directory = os.path.dirname(__file__)
        build_directory_script_path = os.path.join(scripts_directory, "webkit-build-directory")
        # FIXME: ports/webkit.py should provide the build directory in a nice API.
        # NOTE: The windows VSE build does not seem to use different directories
        # for Debug and Release.
        build_directory = self._executive.run_command([build_directory_script_path, "--top-level"]).rstrip()
        return os.path.join(build_directory, "obj")

    def main(self):
        obj_directory = self._obj_directory()
        build_log_paths = self._find_buildlogs(obj_directory)

        print "Found %s Visual Studio Express Build Logs:\n%s" % (len(build_log_paths), "\n".join(build_log_paths))

        for build_log_path in build_log_paths:
            print "%s:\n" % build_log_path
            with codecs.open(build_log_path, "r", "utf-16") as build_log:
                print build_log.read()


if __name__ == '__main__':
    PrintVisualStudioExpressLogs().main()