# src/pluk/cli.py

import argparse
import sys
import subprocess
import time

# Initialize a repository
def cmd_init(args):
    """
    Initialize a repository at the specified path.

    This command sets up the necessary structure for Pluk to operate,
    and is necessary to run before using repository commands.

    Immediately parses the repository, indexing its contents
    into the Pluk database.
    """
    print(f"Initializing repository at {args.path}")
    return

def cmd_search(args):
    """
    Search for a symbol in the current repository.

    This command allows users to find symbols by name.
    """
    print(f"Searching for symbol: {args.symbol}")
    return

def cmd_define(args):
    """
    Define a symbol in the current repository.

    This command allows users to define a symbol,
    which can be useful for documentation or metadata purposes.
    """
    print(f"Defining symbol: {args.symbol}")
    return

def cmd_impact(args):
    """
    Analyze the impact of a symbol in the codebase.

    This command allows users to see what parts of the code
    base would be affected by changes to a symbol.
    It can be useful for understanding dependencies and potential side effects.
    """
    print(f"Analyzing impact of symbol: {args.symbol}")
    return

def cmd_diff(args):
    """
    Show the differences for a symbol in the codebase from one commit to another.

    This command allows users to see how a symbol has changed
    over time, including modifications to its definition and usage.
    """
    print(f"Showing differences for symbol: {args.symbol}")
    return

def build_parser():
    """
    Build the command line argument parser for Pluk CLI.

    This function sets up the argument parser with subcommands
    for initializing repositories, searching symbols, defining symbols,
    analyzing impacts, and showing diffs.
    """

    # Create the main argument parser
    p = argparse.ArgumentParser(prog="plukd")
    sub = p.add_subparsers(dest="command", required=True)

    # Define subcommands

    # Initialize a repository
    p_init = sub.add_parser("init", help="Index a git repo")
    p_init.add_argument("path", help="Path to the repository")
    p_init.set_defaults(func=cmd_init)

    # Search for a symbols
    p_search = sub.add_parser("search", help="Search for a symbol")
    p_search.add_argument("symbol", help="Symbol name")
    p_search.set_defaults(func=cmd_search)

    # Define a symbol
    p_define = sub.add_parser("define", help="Define a symbol")
    p_define.add_argument("symbol", help="Symbol name")
    p_define.set_defaults(func=cmd_define)

    # Analyze impact of a symbol
    p_impact = sub.add_parser("impact", help="Analyze impact of a symbol")
    p_impact.add_argument("symbol", help="Symbol name")
    p_impact.set_defaults(func=cmd_impact)

    # Show differences for a symbol (between commits)
    p_diff = sub.add_parser("diff", help="Show differences for a symbol")
    p_diff.add_argument("symbol", help="Symbol name")
    p_diff.set_defaults(func=cmd_diff)

    return p

def main():
    parser = build_parser()
    if len(sys.argv) == 1:
        parser.print_help()
        sys.exit(1)

    args = parser.parse_args()
    args.func(args)

if __name__ == "__main__":
    main()
