# coding=utf-8
#
# Copyright © 2020-2021 Collabora Ltd.
# Copyright © 2020 Valve Corporation.
#
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# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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# OTHER DEALINGS IN THE SOFTWARE.
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# SPDX-License-Identifier: MIT

from framework.replay.backends.apitrace import APITraceBackend
try:
    import simplejson as json
except ImportError:
    import json

from enum import Enum, unique
from os import path

from framework import core
from framework import status
from framework.replay import backends
from framework.replay.backends.apitrace import APITraceBackend
from framework.replay import query_traces_yaml as qty
from framework.replay.download_utils import ensure_file
from framework.replay.options import OPTIONS


__all__ = ['from_yaml',
           'trace']


def _replay(trace_path):
    try:
        success = True
        frame_times = APITraceBackend.profile(trace_path)
    except (backends.DumpBackendNotImplementedError,
            backends.DumpBackendError) as e:
        print(e)
        success = False

    if not success:
        print("[frame_times] Trace {} couldn't be replayed. "
              "See above logs for more information.".format(trace_path))
        return None
    else:
        return frame_times


def _run_trace(trace_path):
    ensure_file(trace_path)

    json_result = {}

    frame_times = _replay(path.join(OPTIONS.db_path, trace_path))
    if frame_times is None:
       print('[frame_times] error')
    else:
       print('[frame_times] {}'.format(len(frame_times)))

    json_result['images'] = [
        {'image_desc': trace_path,
         'frame_times': frame_times}]

    if frame_times is None:
        return status.CRASH, json_result

    return status.PASS, json_result


def _print_result(result, trace_path, json_result):
    output = 'PIGLIT: '
    json_result['result'] = str(result)

    output += json.dumps(json_result)
    print(output)


def from_yaml(yaml_file):
    y = qty.load_yaml(yaml_file)

    OPTIONS.set_download_url(qty.download_url(y))

    global_result = status.PASS
    # TODO: print in subtest format
    # json_results = {}
    t_list = qty.traces(y, trace_extensions=".trace", device_name=OPTIONS.device_name)
    for t in t_list:
        result, json_result = _run_trace(t['path'])
        if result is not status.PASS and global_result is not status.CRASH:
            global_result = result
        # json_results.update(json_result)
        # _print_result(result, t['path'], json_result)

    return global_result


def trace(trace_path):
    result, json_result = _run_trace(trace_path)
    _print_result(result, trace_path, json_result)

    return result
