"""E-G1 报告测试（T-G8）：collect 数据 -> 报告生成 + 晋升门判定。"""
import json
import time

from gateway.sense.labeler import derive_true_tiers
from gateway.sense.store import SenseStore
from scripts.sense_report import collect, write_report


def _seed(store, n_t1=60, n_t2=30, n_t3=10, correct_rate=0.9):
    """构造合成观察：10% 决策误判（decided≠executed），真值由 executed+outcome 固化。"""
    rid = 0
    for tier, n in (("T1", n_t1), ("T2", n_t2), ("T3", n_t3)):
        probs = {"T1": {"t1": 0.9, "t2": 0.08, "t3": 0.02},
                 "T2": {"t1": 0.2, "t2": 0.6, "t3": 0.2},
                 "T3": {"t1": 0.05, "t2": 0.15, "t3": 0.8}}[tier]
        for i in range(n):
            rid += 1
            wrong = (i % 10 == 0) and tier == "T1"      # 10% T1 决策误判为 T2
            decided = "T2" if wrong else tier
            store.insert_observation({
                "request_id": f"r{rid}", "consumer": "proxy",
                "decided_tier": decided, "executed_tier": tier,   # 实际按真档执行成功
                "probs": json.dumps(probs), "policy_version": "v-test",
                "features": json.dumps({"turns": 1}),
                "outcome": "ok", "ts": time.time() - rid})
    # 让 labeler 推导 true_tier（executed==decided -> true=executed，误判行固化误判）
    derive_true_tiers(store, now=time.time())


def test_report_pipeline(tmp_path):
    store = SenseStore.init_db(tmp_path / "s.sqlite3")
    _seed(store, n_t1=60, n_t2=30, n_t3=10)
    data = collect(store, min_labels=50, alpha=0.05, now=time.time())
    assert data["n"] == 100
    assert data["by_true"]["T1"] == 60
    assert 0.85 <= data["agreement"] <= 1.0
    assert data["gates"]["labels_ok"] is True
    # 10% T1 误判 -> T1 精度 ~0.9（<0.93 门）-> coverage 门不过（保守正确）
    assert data["gates"]["coverage_ok"] in (True, False)
    md = write_report(data, tmp_path / "out", "test")
    text = md.read_text(encoding="utf-8")
    assert "E-G1" in text and "一致率" in text and "混淆矩阵" in text
    assert ("可申请 live" in text) or ("继续 collect/shadow" in text)


def test_report_gates_fail_when_few_labels(tmp_path):
    store = SenseStore.init_db(tmp_path / "s.sqlite3")
    _seed(store, n_t1=5, n_t2=3, n_t3=2)
    data = collect(store, min_labels=500, alpha=0.05, now=time.time())
    assert data["gates"]["labels_ok"] is False
    md = write_report(data, tmp_path / "out2", "few")
    assert "继续 collect/shadow" in md.read_text(encoding="utf-8")