"""m2-market CLI entrypoint (contracts/cli.md)."""

from __future__ import annotations

import sys

import click

from m2_market import __version__
from m2_market.config import ConfigError, load_config

# Exit-code map (contracts/cli.md).
EXIT_OK = 0  # ok / no-op
EXIT_USAGE = 1  # usage (also: missing/invalid config)
EXIT_NOT_FOUND = 2  # not found
EXIT_INSUFFICIENT_FUNDS = 3  # insufficient funds
EXIT_APPLY_FAILED = 4  # apply failed (refunded)
EXIT_VALIDATION = 5  # validation / firewall rejection
EXIT_RAILS_NOT_LANDED = 6  # rails-not-landed (m2core_sync stub invoked)


@click.group(name="m2-market")
@click.option("--json", "json_output", is_flag=True, default=False, help="Emit machine-readable JSON output.")
@click.version_option(version=__version__, prog_name="m2-market")
@click.pass_context
def main(ctx: click.Context, json_output: bool) -> None:
    """M2 Marketplace CLI (search | show | install | wallet | publish | reindex)."""
    ctx.ensure_object(dict)
    ctx.obj["json"] = json_output
    try:
        ctx.obj["config"] = load_config()
    except ConfigError as exc:
        click.echo(f"m2-market: config error: {exc}", err=True)
        ctx.exit(EXIT_USAGE)


def _not_implemented(ctx: click.Context, command: str) -> None:
    click.echo(f"m2-market {command}: not implemented", err=True)
    ctx.exit(EXIT_USAGE)


@main.command()
@click.argument("query")
@click.option("--type", "listing_type", default=None, help="Filter by listing type (e.g. solution).")
@click.option("--limit", type=int, default=None, help="Maximum number of results.")
@click.pass_context
def search(ctx: click.Context, query: str, listing_type: str | None, limit: int | None) -> None:
    """Semantic catalog query, tenant-filtered."""
    _not_implemented(ctx, "search")


@main.command()
@click.argument("listing_id")
@click.pass_context
def show(ctx: click.Context, listing_id: str) -> None:
    """Full listing detail: evidence, price, permissions diff, seller, version."""
    _not_implemented(ctx, "show")


@main.command()
@click.argument("listing_id")
@click.option("--yes", is_flag=True, default=False, help="Skip interactive confirmation.")
@click.pass_context
def install(ctx: click.Context, listing_id: str, yes: bool) -> None:
    """Resolve, pay, fetch, apply, and record a listing install."""
    _not_implemented(ctx, "install")


@main.command()
@click.option("--operator", "operator", default=None, help="Operator id to query (defaults to config).")
@click.pass_context
def wallet(ctx: click.Context, operator: str | None) -> None:
    """Balance + recent transactions from the ledger."""
    _not_implemented(ctx, "wallet")


@main.command()
@click.argument("bundle_dir")
@click.pass_context
def publish(ctx: click.Context, bundle_dir: str) -> None:
    """Validate a bundle and open a listing PR on the registry."""
    _not_implemented(ctx, "publish")


@main.command()
@click.pass_context
def reindex(ctx: click.Context) -> None:
    """Invoke the catalog indexer full rebuild (admin)."""
    _not_implemented(ctx, "reindex")


if __name__ == "__main__":
    sys.exit(main())