"""Same-certificate upgrade test on our dedicated emulator; never a phone.

Seeds only a synthetic non-authenticating session. Does not alter host networking
or request a production account. Run after building/signing the test APK.
"""
import datetime
import hashlib
import json
from pathlib import Path
import subprocess

ROOT = Path(__file__).resolve().parents[1]
ADB = ROOT / ".tools/android-sdk/platform-tools/adb.exe"
PACKAGE = "cn.toplc.zonghengjia"
SERIAL = "emulator-5554"


def adb(*args, timeout=60):
    return subprocess.run([str(ADB), "-s", SERIAL, *map(str, args)], capture_output=True,
                          text=True, encoding="utf-8", errors="replace", timeout=timeout,
                          check=True, creationflags=subprocess.CREATE_NO_WINDOW).stdout


def instrument(method):
    result = adb("shell", "am", "instrument", "-w", "-r", "-e", "oldVersion", "1.0.2",
                 "-e", "newVersion", "1.0.3", "-e", "class",
                 "com.v2ray.ang.ucvl.UpgradeSmokeTest#" + method,
                 PACKAGE + ".test/androidx.test.runner.AndroidJUnitRunner", timeout=90)
    if "OK (1 test)" not in result:
        raise RuntimeError("Instrumentation failed: " + result[-3000:])


def main():
    assert adb("shell", "getprop", "ro.kernel.qemu").strip() == "1", "Dedicated emulator only"
    assert "ucvl_acceptance" in adb("emu", "avd", "name"), "Unexpected emulator image"
    assert adb("shell", "getprop", "sys.boot_completed").strip() == "1", "Emulator has not booted"
    old = ROOT / "releases/UCVL-Zonghengjia-1.0.2-android-universal.apk"
    new = ROOT / "releases/UCVL-Zonghengjia-1.0.3-android-universal.apk"
    test = ROOT / "releases/app-playstore-release-androidTest-1.0.3.apk"
    assert all(path.is_file() for path in [old, new, test])
    evidence = ROOT / "acceptance/upgrade-1.0.3.json"
    report = {"timestamp": datetime.datetime.now().astimezone().isoformat(), "serial": SERIAL,
              "old_version": "1.0.2", "new_version": "1.0.3", "passed": False,
              "physical_device_tested": False, "host_network_modified": False,
              "authenticated_vpn_connection_tested": False, "steps": []}
    try:
        adb("shell", "am", "force-stop", PACKAGE)
        assert "Success" in adb("install", "-r", old)
        assert "Success" in adb("install", "-r", test)
        instrument("seedUpgrade")
        report["steps"].append("seed_synthetic_session_on_1.0.2")
        assert "Success" in adb("install", "-r", new)
        instrument("verifyUpgrade")
        report["steps"].append("cover_upgrade_preserves_encrypted_session_login_and_device_id")
        instrument("loginVisibleAndEmptyFormIsSafe")
        report["steps"].append("login_visible_empty_submission_safe_fixture_cleared")
        report["apk_sha256"] = hashlib.sha256(new.read_bytes()).hexdigest()
        report["passed"] = True
    finally:
        adb("shell", "am", "force-stop", PACKAGE)
        evidence.write_text(json.dumps(report, indent=2), encoding="utf-8")
        print(json.dumps(report))


if __name__ == "__main__":
    main()