#!/usr/bin/env bash
# LDD mutation evidence: PIT для критичных P0-компонентов.
# JUnit 4 harness используется потому, что JUnit5-плагин PIT несовместим с JUnit Platform 6.
set -euo pipefail

cd "$(dirname "$0")/.."

./gradlew \
    :services:academic-service:pitestCourseAccess \
    :services:identity-service:pitestPromotionPlanner \
    --console=plain

mkdir -p build/evidence

python3 - <<'PY'
import json
import os
import xml.etree.ElementTree as ET

checks = []


def parse(path):
    root = ET.parse(path).getroot()
    total = killed = no_coverage = 0
    for mutation in root.findall("mutation"):
        total += 1
        status = mutation.attrib.get("status")
        if status == "KILLED":
            killed += 1
        elif status == "NO_COVERAGE":
            no_coverage += 1
    covered = total - no_coverage
    strength = (killed / covered * 100) if covered else 0.0
    return total, killed, no_coverage, strength


def check(check_id, path, threshold):
    if not os.path.isfile(path):
        checks.append({"id": check_id, "status": "failed", "detail": "нет отчёта " + path})
        return
    total, killed, no_coverage, strength = parse(path)
    status = "passed" if strength >= threshold else "failed"
    detail = (
        f"mutations={total}, killed={killed}, no_coverage={no_coverage}, "
        f"test_strength={strength:.1f}% (threshold {threshold:.0f}%)"
    )
    checks.append({"id": check_id, "status": status, "detail": detail})
    print(("PASS " if status == "passed" else "FAIL ") + check_id + ": " + detail)


check(
    "mutation.course_access",
    "services/academic-service/build/reports/pitest-course-access/mutations.xml",
    70.0,
)
check(
    "mutation.promotion_planner",
    "services/identity-service/build/reports/pitest-promotion-planner/mutations.xml",
    60.0,
)

with open("build/evidence/mutation.json", "w", encoding="utf-8") as fh:
    json.dump({"generatedAt": __import__("datetime").datetime.now(__import__("datetime").UTC).isoformat(), "checks": checks}, fh, ensure_ascii=False, indent=2)

if any(c["status"] != "passed" for c in checks):
    raise SystemExit(1)
PY