# copyright (c) 2024 PaddlePaddle Authors. All Rights Reserve.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
import argparse
import textwrap
from types import SimpleNamespace

from .pipelines import build_pipeline, BasePipeline
from .repo_manager import setup, get_all_supported_repo_names
from .utils import logging


def args_cfg():
    """parse cli arguments
    """

    def parse_str(s):
        """convert str type value
           to None type if it is "None",
           to bool type if it means True or False.
        """
        if s in ("None"):
            return None
        elif s in ("TRUE", "True", "true", "T", "t"):
            return True
        elif s in ("FALSE", "False", "false", "F", "f"):
            return False
        return s

    parser = argparse.ArgumentParser()

    ################# install pdx #################
    parser.add_argument(
        '--install', action='store_true', default=False, help="")
    parser.add_argument('devkits', nargs='*', default=[])
    parser.add_argument('--no_deps', action='store_true')
    parser.add_argument('--platform', type=str, default='github.com')
    parser.add_argument(
        '-y',
        '--yes',
        dest='update_repos',
        action='store_true',
        help="Whether to update_repos all packages.")
    parser.add_argument(
        '--use_local_repos',
        action='store_true',
        default=False,
        help="Use local repos when existing.")

    ################# pipeline predict #################
    parser.add_argument('--predict', action='store_true', default=True, help="")
    parser.add_argument('--pipeline', type=str, help="")
    parser.add_argument('--model', nargs='+', help="")
    parser.add_argument('--model_dir', nargs='+', type=parse_str, help="")
    parser.add_argument('--input', type=str, help="")
    parser.add_argument('--output', type=str, default="./", help="")
    parser.add_argument('--device', type=str, default='gpu:0', help="")

    return parser.parse_args()


def install(args):
    """install paddlex
    """
    # Enable debug info
    os.environ['PADDLE_PDX_DEBUG'] = 'True'
    # Disable eager initialization
    os.environ['PADDLE_PDX_EAGER_INIT'] = 'False'

    repo_names = args.devkits
    if len(repo_names) == 0:
        repo_names = get_all_supported_repo_names()
    setup(
        repo_names=repo_names,
        no_deps=args.no_deps,
        platform=args.platform,
        update_repos=args.update_repos,
        use_local_repos=args.use_local_repos)
    return


def pipeline_predict(pipeline, model_name_list, model_dir_list, input_path,
                     output, device):
    """pipeline predict
    """
    pipeline = build_pipeline(pipeline, model_name_list, model_dir_list, output,
                              device)
    pipeline.predict({"input_path": input_path})


# for CLI
def main():
    """API for commad line
    """
    args = args_cfg()
    if args.install:
        install(args)
    else:
        return pipeline_predict(args.pipeline, args.model, args.model_dir,
                                args.input, args.output, args.device)