# 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,
        )