import logging
import sys
import time
from typing import Optional

import click
from colorlog import ColoredFormatter

from loglens.analyzers.analyzer import LogAnalyzer
from loglens.formatters.json_formatter import JSONFormatter
from loglens.formatters.table_formatter import TableFormatter
from loglens.formatters.text_formatter import TextFormatter
from loglens.parsers.base import LogFormat


def setup_logging(verbosity: int = 0) -> None:
    """Setup logging configuration."""
    log_levels = ["ERROR", "WARNING", "INFO", "DEBUG"]
    level_idx = min(verbosity, len(log_levels) - 1)
    level = log_levels[level_idx]

    handler = ColoredFormatter(
        "%(log_color)s%(levelname)-8s%(reset)s %(message)s",
        log_colors={
            "DEBUG": "cyan",
            "INFO": "green",
            "WARNING": "yellow",
            "ERROR": "red",
            "CRITICAL": "red,bg_white",
        },
    )

    logger = logging.getLogger("loglens")
    logger.setLevel(level)
    logger.handlers = [handler]


@click.group()
@click.option("--verbosity", "-v", count=True, help="Increase output verbosity")
@click.option("--config", type=click.Path(exists=True), help="Path to config file")
@click.version_option(version="0.1.0", prog_name="loglens")
@click.pass_context
def main(ctx: click.Context, verbosity: int, config: str) -> None:
    """LogLens - Parse, analyze, and summarize log files."""
    from loglens import __version__

    ctx.ensure_object(dict)
    ctx.obj["config"] = config
    ctx.obj["version"] = __version__
    setup_logging(verbosity)