"""CLI module for curl converter."""

import sys
import click
from curlconverter.parser import parse_curl
from curlconverter.generators import generate_code, get_supported_languages, get_language_display_name


@click.group()
def cli():
    """Convert curl commands to code in multiple programming languages."""
    pass


@cli.command()
@click.option("-c", "--curl", "curl_input", help="The curl command to convert")
@click.option("-l", "--language", default="python", help="Target programming language")
@click.option("-o", "--output", type=click.Path(), help="Output file path")
@click.option("-i", "--interactive", is_flag=True, help="Interactive mode - paste curl command")
def convert(curl_input, language, output, interactive):
    """Convert a curl command to code."""
    if interactive:
        click.echo("Paste your curl command (press Ctrl+D or Ctrl+Z when done):")
        try:
            curl_input = click.edit()
        except Exception:
            curl_input = click.prompt("", type=str)
    
    if not curl_input:
        click.echo("Error: No curl command provided. Use --curl or --interactive", err=True)
        sys.exit(1)
    
    try:
        parsed = parse_curl(curl_input)
        code = generate_code(parsed, language)
        
        if output:
            with open(output, "w") as f:
                f.write(code)
            click.echo(f"Code written to {output}")
        else:
            click.echo(code)
            
    except ValueError as e:
        click.echo(f"Error: {e}", err=True)
        sys.exit(1)


@cli.command()
def languages():
    """List supported programming languages."""
    click.echo("Supported languages:")
    for lang in get_supported_languages():
        display = get_language_display_name(lang)
        click.echo(f"  {lang:12} - {display}")


@cli.command()
@click.option("-c", "--curl", "curl_input", help="The curl command to analyze")
@click.option("-i", "--interactive", is_flag=True, help="Interactive mode")
def analyze(curl_input, interactive):
    """Analyze and display parsed curl command details."""
    if interactive:
        click.echo("Paste your curl command:")
        curl_input = click.prompt("", type=str)
    
    if not curl_input:
        click.echo("Error: No curl command provided", err=True)
        sys.exit(1)
    
    try:
        parsed = parse_curl(curl_input)
        
        click.echo("Parsed curl command:")
        click.echo(f"  URL: {parsed.url}")
        click.echo(f"  Method: {parsed.method}")
        
        if parsed.headers:
            click.echo("  Headers:")
            for k, v in parsed.headers.items():
                click.echo(f"    {k}: {v}")
        
        if parsed.data:
            click.echo(f"  Data: {parsed.data}")
        
        if parsed.auth:
            click.echo(f"  Auth: {parsed.auth[0]}:****")
        
        if parsed.cookies:
            click.echo(f"  Cookies: {parsed.cookies}")
        
        if parsed.user_agent:
            click.echo(f"  User-Agent: {parsed.user_agent}")
            
    except ValueError as e:
        click.echo(f"Error: {e}", err=True)
        sys.exit(1)


def main():
    cli()


if __name__ == "__main__":
    main()