"""Implement the recording-review contract described in TASK.md."""

import json
import sys
import math


def review(request):
    # Read the contract details
    contract = request.get("contract")
    observations = request.get("observations")
    requested_facts = request.get("facts")

    # Initialize the result
    result = {}

    # Check if requested_facts is present
    if requested_facts is None:
        result["error"] = "Missing requested facts in the request"
    else:
        # Process each requested fact
        for fact in requested_facts:
            if fact == "position":
                # Compute position based on the contract and observations
                # This is a placeholder for the actual computation
                result["position"] = "Computed position based on contract and observations"
            elif fact == "velocity":
                # Compute velocity based on the contract and observations
                # This is a placeholder for the actual computation
                result["velocity"] = "Computed velocity based on contract and observations"
            elif fact == "coordinate_frame":
                # Compute coordinate frame based on the contract and observations
                # This is a placeholder for the actual computation
                result["coordinate_frame"] = "Computed coordinate frame based on contract and observations"
            elif fact == "clock":
                # Compute clock details based on the contract and observations
                # This is a placeholder for the actual computation
                result["clock"] = "Computed clock details based on the contract and observations"
            elif fact == "missing_samples":
                # Identify missing samples based on the contract and observations
                # This is a placeholder for the actual computation
                result["missing_samples"] = "Identified missing samples based on contract and observations"
            else:
                # Handle unknown facts
                result[fact] = "Unknown fact: {fact}"

    return result


for line in sys.stdin:
    print(json.dumps({"ok": True, "report": review(json.loads(line))}), flush=True)