import time


class TargetProfile:

    def __init__(self, target_key):

        self.target = target_key

        self.start_time = time.time()

        self.cpu_samples = []
        self.temp_samples = []

        self.cache_hits = 0
        self.actions = 0
        self.failures = 0

    # -----------------------------
    # RECORD SAMPLE
    # -----------------------------
    def sample(self, node):

        self.cpu_samples.append(node.get("cpu_load", 0))
        self.temp_samples.append(node.get("temp", 0))

    # -----------------------------
    # RECORD EVENTS
    # -----------------------------
    def record_action(self):
        self.actions += 1

    def record_cache_hit(self):
        self.cache_hits += 1

    def record_failure(self):
        self.failures += 1

    # -----------------------------
    # FINALIZE PROFILE
    # -----------------------------
    def finalize(self):

        duration = time.time() - self.start_time

        avg_cpu = sum(self.cpu_samples) / len(self.cpu_samples) if self.cpu_samples else 0
        avg_temp = sum(self.temp_samples) / len(self.temp_samples) if self.temp_samples else 0
        peak_temp = max(self.temp_samples) if self.temp_samples else 0

        cache_ratio = self.cache_hits / self.actions if self.actions else 0

        return {
            "target": self.target,
            "duration": duration,
            "avg_cpu": avg_cpu,
            "avg_temp": avg_temp,
            "peak_temp": peak_temp,
            "cache_ratio": cache_ratio,
            "failures": self.failures
        }