from __future__ import annotations

from pathlib import Path
from typing import Any, Dict, Tuple

from lab.utils import write_yaml


def compose_payload(profile: Dict[str, Any]) -> Dict[str, Any]:
    services = {}
    for service_name, service in profile.get("services", {}).items():
        payload = {
            "image": service["image"],
        }
        if service.get("ports"):
            payload["ports"] = service["ports"]
        if service.get("environment"):
            payload["environment"] = service["environment"]
        if service.get("depends_on"):
            payload["depends_on"] = service["depends_on"]
        services[service_name] = payload
    return {
        "services": services,
        "networks": {"labnet": {"driver": "bridge"}},
    }


def generate_compose(profile: Dict[str, Any], run_dir: Path) -> Tuple[Path, Dict[str, Any]]:
    payload = compose_payload(profile)
    compose_path = run_dir / "compose" / "compose.yaml"
    write_yaml(compose_path, payload)
    return compose_path, payload