import datetime
import logging
import os
import sys
from typing import Callable, List

from rich.console import Console, ConsoleOptions, ConsoleRenderable, NewLine
from rich.highlighter import RegexHighlighter, NullHighlighter
from rich.logging import RichHandler
from rich.rule import Rule
from rich.style import Style
from rich.theme import Theme
from rich.traceback import Traceback


def empty_function(*args, **kwargs):
    pass


# cnocr will set root logger in cnocr.utils
# Delete logging.basicConfig to avoid logging the same message twice.
logging.basicConfig = empty_function
logging.raiseExceptions = True  # Set True if wanna see encode errors on console

# Remove HTTP keywords (GET, POST etc.)
RichHandler.KEYWORDS = []


class RichFileHandler(RichHandler):
    # Rename
    pass


class RichRenderableHandler(RichHandler):
    """
    Pass renderable into a function
    """

    def __init__(self, *args, func: Callable[[ConsoleRenderable], None] = None, **kwargs):
        super().__init__(*args, **kwargs)
        self._func = func

    def emit(self, record: logging.LogRecord) -> None:
        message = self.format(record)
        traceback = None
        if (
            self.rich_tracebacks
            and record.exc_info
            and record.exc_info != (None, None, None)
        ):
            exc_type, exc_value, exc_traceback = record.exc_info
            assert exc_type is not None
            assert exc_value is not None
            traceback = Traceback.from_exception(
                exc_type,
                exc_value,
                exc_traceback,
                width=self.tracebacks_width,
                extra_lines=self.tracebacks_extra_lines,
                theme=self.tracebacks_theme,
                word_wrap=self.tracebacks_word_wrap,
                show_locals=self.tracebacks_show_locals,
                locals_max_length=self.locals_max_length,
                locals_max_string=self.locals_max_string,
            )
            message = record.getMessage()
            if self.formatter:
                record.message = record.getMessage()
                formatter = self.formatter
                if hasattr(formatter, "usesTime") and formatter.usesTime():
                    record.asctime = formatter.formatTime(
                        record, formatter.datefmt)
                message = formatter.formatMessage(record)

        message_renderable = self.render_message(record, message)
        log_renderable = self.render(
            record=record, traceback=traceback, message_renderable=message_renderable
        )

        # Directly put renderable into function
        self._func(log_renderable)

    def handle(self, record: logging.LogRecord) -> bool:
        if not self._func:
            return True
        super().handle(record)


class HTMLConsole(Console):
    """
    Force full feature console
    but not working lol :(
    """
    @property
    def options(self) -> ConsoleOptions:
        return ConsoleOptions(
            max_height=self.size.height,
            size=self.size,
            legacy_windows=False,
            min_width=1,
            max_width=self.width,
            encoding='utf-8',
            is_terminal=False,
        )


class Highlighter(RegexHighlighter):
    base_style = 'web.'
    highlights = [
        # (r'(?P<datetime>(\d{2}|\d{4})(?:\-)?([0]{1}\d{1}|[1]{1}[0-2]{1})'
        #  r'(?:\-)?([0-2]{1}\d{1}|[3]{1}[0-1]{1})(?:\s)?([0-1]{1}\d{1}|'
        #  r'[2]{1}[0-3]{1})(?::)?([0-5]{1}\d{1})(?::)?([0-5]{1}\d{1}).\d+\b)'),
        (r'(?P<time>([0-1]{1}\d{1}|[2]{1}[0-3]{1})(?::)?'
         r'([0-5]{1}\d{1})(?::)?([0-5]{1}\d{1})(.\d+\b))'),
        r"(?P<brace>[\{\[\(\)\]\}])",
        r"\b(?P<bool_true>True)\b|\b(?P<bool_false>False)\b|\b(?P<none>None)\b",
        r"(?P<path>(([A-Za-z]\:)|.)?\B([\/\\][\w\.\-\_\+]+)*[\/\\])(?P<filename>[\w\.\-\_\+]*)?",
        # r"(?<![\\\w])(?P<str>b?\'\'\'.*?(?<!\\)\'\'\'|b?\'.*?(?<!\\)\'|b?\"\"\".*?(?<!\\)\"\"\"|b?\".*?(?<!\\)\")",
    ]


WEB_THEME = Theme({
    "web.brace": Style(bold=True),
    "web.bool_true": Style(color="bright_green", italic=True),
    "web.bool_false": Style(color="bright_red", italic=True),
    "web.none": Style(color="magenta", italic=True),
    "web.path": Style(color="magenta"),
    "web.filename": Style(color="bright_magenta"),
    "web.str": Style(color="green", italic=False, bold=False),
    "web.time": Style(color="cyan"),
    "rule.text": Style(bold=True),
})


# Logger init
logger_debug = False
logger = logging.getLogger('alas')
logger.setLevel(logging.DEBUG if logger_debug else logging.INFO)
file_formatter = logging.Formatter(
    fmt='%(asctime)s.%(msecs)03d | %(levelname)s | %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
console_formatter = logging.Formatter(
    fmt='%(asctime)s.%(msecs)03d │ %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
web_formatter = logging.Formatter(
    fmt='%(asctime)s.%(msecs)03d │ %(message)s', datefmt='%H:%M:%S')

# Add console logger
# console = logging.StreamHandler(stream=sys.stdout)
# console.setFormatter(formatter)
# console.flush = sys.stdout.flush
# logger.addHandler(console)

# Add rich console logger
stdout_console = console = Console()
console_hdlr = RichHandler(
    show_path=False,
    show_time=False,
    rich_tracebacks=True,
    tracebacks_show_locals=True,
    tracebacks_extra_lines=3,
)
console_hdlr.setFormatter(console_formatter)
logger.addHandler(console_hdlr)

# Ensure running in Alas root folder
os.chdir(os.path.join(os.path.dirname(__file__), '../../'))

# Add file logger
pyw_name = os.path.splitext(os.path.basename(sys.argv[0]))[0]


def _set_file_logger(name=pyw_name):
    if '_' in name:
        name = name.split('_', 1)[0]
    log_file = f'./log/{datetime.date.today()}_{name}.txt'
    try:
        file = logging.FileHandler(log_file, encoding='utf-8')
    except FileNotFoundError:
        os.mkdir('./log')
        file = logging.FileHandler(log_file, encoding='utf-8')
    file.setFormatter(file_formatter)

    logger.handlers = [h for h in logger.handlers if not isinstance(
        h, (logging.FileHandler, RichFileHandler))]
    logger.addHandler(file)
    logger.log_file = log_file


def set_file_logger(name=pyw_name):
    if '_' in name:
        name = name.split('_', 1)[0]
    log_file = f'./log/{datetime.date.today()}_{name}.txt'
    try:
        file = open(log_file, mode='a', encoding='utf-8')
    except FileNotFoundError:
        os.mkdir('./log')
        file = open(log_file, mode='a', encoding='utf-8')

    file_console = Console(
        file=file,
        no_color=True,
        highlight=False,
        width=119,
    )

    hdlr = RichFileHandler(
        console=file_console,
        show_path=False,
        show_time=False,
        show_level=False,
        rich_tracebacks=True,
        tracebacks_show_locals=True,
        tracebacks_extra_lines=3,
        highlighter=NullHighlighter(),
    )
    hdlr.setFormatter(file_formatter)

    logger.handlers = [h for h in logger.handlers if not isinstance(
        h, (logging.FileHandler, RichFileHandler))]
    logger.addHandler(hdlr)
    logger.log_file = log_file


def set_func_logger(func):
    console = HTMLConsole(
        force_terminal=False,
        force_interactive=False,
        width=80,
        color_system='truecolor',
        markup=False,
        safe_box=False,
        highlighter=Highlighter(),
        theme=WEB_THEME
    )
    hdlr = RichRenderableHandler(
        func=func,
        console=console,
        show_path=False,
        show_time=False,
        show_level=True,
        rich_tracebacks=True,
        tracebacks_show_locals=True,
        tracebacks_extra_lines=2,
        highlighter=Highlighter(),
    )
    hdlr.setFormatter(web_formatter)
    logger.handlers = [h for h in logger.handlers if not isinstance(
        h, RichRenderableHandler)]
    logger.addHandler(hdlr)


def _get_renderables(
    self: Console, *objects, sep=" ", end="\n", justify=None, emoji=None, markup=None, highlight=None,
) -> List[ConsoleRenderable]:
    """
    Refer to rich.console.Console.print()
    """
    if not objects:
        objects = (NewLine(),)

    render_hooks = self._render_hooks[:]
    with self:
        renderables = self._collect_renderables(
            objects,
            sep,
            end,
            justify=justify,
            emoji=emoji,
            markup=markup,
            highlight=highlight,
        )
        for hook in render_hooks:
            renderables = hook.process_renderables(renderables)
    return renderables


def print(*objects: ConsoleRenderable, **kwargs):
    for hdlr in logger.handlers:
        if isinstance(hdlr, RichRenderableHandler):
            for renderable in _get_renderables(hdlr.console, *objects, **kwargs):
                hdlr._func(renderable)
        elif isinstance(hdlr, RichHandler):
            hdlr.console.print(*objects)


def rule(title="", *, characters="─", style="rule.line", end="\n", align="center"):
    rule = Rule(title=title, characters=characters,
                style=style, end=end, align=align)
    print(rule)


def hr(title, level=3):
    title = str(title).upper()
    if level == 1:
        logger.rule(title, characters='═')
        logger.info(title)
    if level == 2:
        logger.rule(title, characters='─')
        logger.info(title)
    if level == 3:
        logger.info(f"[bold]<<< {title} >>>[/bold]", extra={"markup": True})
    if level == 0:
        logger.rule(characters='═')
        logger.rule(title, characters=' ')
        logger.rule(characters='═')


def attr(name, text):
    logger.info('[%s] %s' % (str(name), str(text)))


def attr_align(name, text, front='', align=22):
    name = str(name).rjust(align)
    if front:
        name = front + name[len(front):]
    logger.info('%s: %s' % (name, str(text)))


def show():
    logger.info('INFO')
    logger.warning('WARNING')
    logger.debug('DEBUG')
    logger.error('ERROR')
    logger.critical('CRITICAL')
    logger.hr('hr0', 0)
    logger.hr('hr1', 1)
    logger.hr('hr2', 2)
    logger.hr('hr3', 3)
    logger.info(r'Brace { [ ( ) ] }')
    logger.info(r'True, False, None')
    logger.info(r'E:/path\\to/alas/alas.exe, /root/alas/, ./relative/path/log.txt')
    local_var1 = 'This is local variable'
    # Line before exception
    raise Exception("Exception")
    # Line below exception


def error_convert(func):
    def error_wrapper(msg, *args, **kwargs):
        if isinstance(msg, Exception):
            msg = f'{type(msg).__name__}: {msg}'
        return func(msg, *args, **kwargs)

    return error_wrapper


logger.error = error_convert(logger.error)
logger.hr = hr
logger.attr = attr
logger.attr_align = attr_align
logger.set_file_logger = set_file_logger
logger.set_func_logger = set_func_logger
logger.rule = rule
logger.print = print
logger.log_file: str

logger.set_file_logger()
logger.hr('Start', level=0)