"""Config CLI command implementations."""

from __future__ import annotations

from pathlib import Path

import click

from vlm.cli_helpers import command_error
from vlm.config import create_default_config, validate_config
from vlm.context import CLIContext


def config_init_cmd(ctx: CLIContext, path: Path) -> None:
    """Initialize configuration file with defaults."""
    try:
        if path.exists():
            click.echo(f"Configuration file already exists at {path}", err=True)
            if not click.confirm("Overwrite existing configuration?"):
                click.echo("Configuration initialization cancelled.")
                return

        create_default_config(path)
        click.echo(f"Configuration file created at {path}")
        click.echo("Edit this file to customize your settings.")

    except Exception as e:
        command_error(
            ctx,
            f"Error creating configuration: {e}",
            f"Configuration creation failed: {e}",
            exc_info=True,
        )


def config_show_cmd(ctx: CLIContext) -> None:
    """Show current configuration."""
    cfg = ctx.config
    click.echo("Current configuration:")
    click.echo(f"  Library root: {cfg.library_root}")
    click.echo(f"  Video extensions: {', '.join(cfg.video_extensions)}")
    click.echo(f"  Movie template: {cfg.movie_template}")
    click.echo(f"  Series template: {cfg.series_template}")
    click.echo(f"  Movie filename template: {cfg.movie_filename_template}")
    click.echo(f"  Series filename template: {cfg.series_filename_template}")
    click.echo(f"  Quarantine directory: {cfg.quarantine_dir}")
    click.echo(f"  Workspace directory: {cfg.workspace_dir}")
    click.echo(f"  Log level: {cfg.log_level}")


def config_validate_cmd(ctx: CLIContext) -> None:
    """Validate configuration."""
    cfg = ctx.config
    errors = validate_config(cfg)

    if not errors:
        click.echo("Configuration is valid.")
    else:
        click.echo("Configuration validation errors:", err=True)
        for error in errors:
            click.echo(f"  - {error}", err=True)
        command_error(ctx, "Configuration validation failed.", "Configuration validation failed")