"""Shared grading helper used by all per-task grader modules."""

import sys
from pathlib import Path

# Ensure project root is on sys.path so environment package is importable
_project_root = str(Path(__file__).parent.parent)
if _project_root not in sys.path:
    sys.path.insert(0, _project_root)

from environment.api_triage_env import APITriageEnv
from environment.incident_generator import get_incident_by_type


def run_agent_on_incident(incident_type: str, max_steps: int = 10) -> float:
    """Simulate an optimal agent solving a specific incident type.

    Returns a float score strictly between 0 and 1.
    """
    env = APITriageEnv(max_steps=max_steps)

    # Force the specific incident (bypass curriculum randomness)
    env.incident = get_incident_by_type(incident_type)
    if env.incident is None:
        return 0.05

    env.fix_applied = False
    env.done = False
    env.step_counter = 0
    env.total_reward = 0.0

    correct_action = env.incident["fix_action"]

    # Optimal sequence: inspect → fix → resolve
    actions = ["inspect_logs", correct_action, "resolve"]

    for action in actions:
        state, reward, done, info = env.step(action)
        if done:
            if info.get("resolution") == "success":
                return 0.95
            else:
                return 0.05

    return 0.1