"""REST API routes — JSON endpoints for programmatic access.

Provides a REST API that Java I2P lacks, enabling external tools
and scripts to query router state and update configuration.
"""

from __future__ import annotations

from flask import Blueprint, jsonify, request, current_app

bp = Blueprint("api", __name__, url_prefix="/api/v1")

_VALID_ACTIONS = {"restart", "shutdown", "reseed"}


@bp.route("/status")
def status():
    """Router status summary."""
    ctx = current_app.config["CONSOLE_CONTEXT"]
    return jsonify({
        **ctx.status,
        "network": ctx.network_status,
    })


@bp.route("/peers")
def peers():
    """Peer list."""
    return jsonify({"peers": []})


@bp.route("/tunnels")
def tunnels():
    """Tunnel status."""
    return jsonify({"tunnels": []})


@bp.route("/config", methods=["GET"])
def get_config():
    """Get current configuration."""
    ctx = current_app.config["CONSOLE_CONTEXT"]
    return jsonify(ctx.get_all_properties())


@bp.route("/config", methods=["POST"])
def set_config():
    """Update configuration properties."""
    ctx = current_app.config["CONSOLE_CONTEXT"]
    data = request.get_json(silent=True) or {}
    for key, value in data.items():
        ctx.set_property(key, str(value))
    return jsonify({"status": "ok", "updated": len(data)})


@bp.route("/router/<action>", methods=["POST"])
def router_action(action: str):
    """Perform a router action (restart/shutdown/reseed)."""
    if action not in _VALID_ACTIONS:
        return jsonify({"error": f"Invalid action: {action}"}), 400
    return jsonify({"status": "ok", "action": action})