"""Manim's default subcommand, render.

Manim's render subcommand is accessed in the command-line interface via
``manim``, but can be more explicitly accessed with ``manim render``. Here you
can specify options, and arguments for the render command.

"""

from __future__ import annotations

import http.client
import json
import sys
import urllib.error
import urllib.request
from pathlib import Path
from typing import cast

import cloup

from ... import __version__, config, console, error_console, logger
from ..._config import tempconfig
from ...constants import EPILOG, RendererType
from ...utils.module_ops import scene_classes_from_file
from .ease_of_access_options import ease_of_access_options
from .global_options import global_options
from .output_options import output_options
from .render_options import render_options

__all__ = ["render"]


@cloup.command(
    context_settings=None,
    no_args_is_help=True,
    epilog=EPILOG,
)
@cloup.argument("file", type=Path, required=True)
@cloup.argument("scene_names", required=False, nargs=-1)
@global_options
@output_options
@render_options  # type: ignore
@ease_of_access_options
def render(
    **args,
):
    """Render SCENE(S) from the input FILE.

    FILE is the file path of the script or a config file.

    SCENES is an optional list of scenes in the file.
    """

    if args["save_as_gif"]:
        logger.warning("--save_as_gif is deprecated, please use --format=gif instead!")
        args["format"] = "gif"

    if args["save_pngs"]:
        logger.warning("--save_pngs is deprecated, please use --format=png instead!")
        args["format"] = "png"

    if args["show_in_file_browser"]:
        logger.warning(
            "The short form of show_in_file_browser is deprecated and will be moved to support --format.",
        )

    class ClickArgs:
        def __init__(self, args):
            for name in args:
                setattr(self, name, args[name])

        def _get_kwargs(self):
            return list(self.__dict__.items())

        def __eq__(self, other):
            if not isinstance(other, ClickArgs):
                return NotImplemented
            return vars(self) == vars(other)

        def __contains__(self, key):
            return key in self.__dict__

        def __repr__(self):
            return str(self.__dict__)

    click_args = ClickArgs(args)
    if args["jupyter"]:
        return click_args

    config.digest_args(click_args)
    file = Path(config.input_file)
    if config.renderer == RendererType.OPENGL:
        from manim.renderer.opengl_renderer import OpenGLRenderer

        try:
            renderer = OpenGLRenderer()
            keep_running = True
            while keep_running:
                for SceneClass in scene_classes_from_file(file):
                    with tempconfig({}):
                        scene = SceneClass(renderer)
                        rerun = scene.render()
                    if rerun or config["write_all"]:
                        renderer.num_plays = 0
                        continue
                    else:
                        keep_running = False
                        break
                if config["write_all"]:
                    keep_running = False

        except Exception:
            error_console.print_exception()
            sys.exit(1)
    else:
        for SceneClass in scene_classes_from_file(file):
            try:
                with tempconfig({}):
                    scene = SceneClass()
                    scene.render()
            except Exception:
                error_console.print_exception()
                sys.exit(1)

    if config.notify_outdated_version:
        manim_info_url = "https://pypi.org/pypi/manim/json"
        warn_prompt = "Cannot check if latest release of manim is installed"

        try:
            with urllib.request.urlopen(
                urllib.request.Request(manim_info_url),
                timeout=10,
            ) as response:
                response = cast(http.client.HTTPResponse, response)
                json_data = json.loads(response.read())
        except urllib.error.HTTPError:
            logger.debug("HTTP Error: %s", warn_prompt)
        except urllib.error.URLError:
            logger.debug("URL Error: %s", warn_prompt)
        except json.JSONDecodeError:
            logger.debug(
                "Error while decoding JSON from %r: %s", manim_info_url, warn_prompt
            )
        except Exception:
            logger.debug("Something went wrong: %s", warn_prompt)
        else:
            stable = json_data["info"]["version"]
            if stable != __version__:
                console.print(
                    f"You are using manim version [red]v{__version__}[/red], but version [green]v{stable}[/green] is available.",
                )
                console.print(
                    "You should consider upgrading via [yellow]pip install -U manim[/yellow]",
                )

    return args