#!/usr/bin/env python
#
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# Print a very simple summary of piglit results file(s).
# When multiple result files are specified, compare the results
# of each test run to look for differences/regressions.
#
# Brian Paul
# April 2013


import argparse
import os.path
import sys

sys.path.append(os.path.dirname(os.path.realpath(sys.argv[0])))
import framework.summary as summary
from framework.core import parse_listfile

def main():
    parser = argparse.ArgumentParser()

    # Set the -d and -s options as exclusive, since it's silly to call for diff
    # and then call for only summary
    excGroup1 = parser.add_mutually_exclusive_group()
    excGroup1.add_argument("-d", "--diff",
                           action="store_true",
                           help="Only display the differences between multiple"
                                "result files")
    excGroup1.add_argument("-s", "--summary",
                           action="store_true",
                           help="Only display the summary, not the individual "
                                "test results")
    parser.add_argument("-l", "--list",
                        action="store",
                        help="Use test results from a list file")
    parser.add_argument("results",
                        metavar="<Results Path(s)>",
                        nargs="+",
                        help="Space seperated paths to at least one results "
                             "file")
    args = parser.parse_args()

    # Throw an error if -d/--diff is called, but only one results file is
    # provided
    if args.diff and len(args.results) < 2:
        parser.error('-d/--diff cannot be specified unless two or more '
                     'results files are specified')

    # make list of results
    if args.list:
        args.results.extend(parse_listfile(args.list))

    # Generate the output
    output = summary.Summary(args.results)
    output.generateText(args.diff, args.summary)


if __name__ == "__main__":
    main()