"""Select an available iPhone from simctl JSON; print a GitHub environment entry."""
import json
import sys
import uuid

with open(sys.argv[1], encoding="utf-8") as stream:
    runtimes = json.load(stream)["devices"]
sdk_version = sys.argv[2] if len(sys.argv) > 2 else None
for runtime in sorted(runtimes, reverse=True):
    if ".iOS-" not in runtime or (sdk_version and not runtime.endswith(".iOS-" + sdk_version.replace(".", "-"))):
        continue
    for device in runtimes[runtime]:
        if device.get("isAvailable") and device.get("name", "").startswith("iPhone"):
            uuid.UUID(device["udid"])  # Validate without changing the case expected by xcodebuild.
            print("SIMULATOR_ID=" + device["udid"])
            sys.exit(0)
sys.exit("No available iPhone simulator in selected Xcode runtime.")