"""Start an Eddycoin program inside the macOS .app with its data folder = ~/Library/Application Support/Eddycoin.
The programs keep wallets/settings next to themselves (app_dir()), so we run the UNCHANGED script code with
__file__ (wallet) or sys.argv[0] (miner) pointing into the data folder instead of the read-only app bundle."""
import os, subprocess, sys, traceback, types
HERE = os.path.dirname(os.path.abspath(__file__))
DATA = os.environ.get("EDDY_DATA_DIR") or os.path.expanduser("~/Library/Application Support/Eddycoin Mainnet")
APPS = {"wallet": ("eddycoin_wallet.py", "Eddycoin Wallet"), "miner": ("eddycoin_echain_cpu_miner.py", "Eddycoin Mainnet Miner")}


def alert(title, msg):
    print(msg, file=sys.stderr)
    if sys.platform == "darwin":
        try:
            subprocess.run(["osascript", "-e", "on run argv", "-e", "display dialog (item 1 of argv) buttons {\"OK\"} default button 1 with title (item 2 of argv) with icon stop", "-e", "end run", msg[-900:], title], timeout=600)
        except Exception:
            pass


def main():
    kind = sys.argv[1] if len(sys.argv) > 1 else "wallet"
    script, title = APPS[kind]
    real, data_path = os.path.join(HERE, script), os.path.join(DATA, script)
    os.makedirs(DATA, exist_ok=True)
    os.environ["EDDY_DATA_DIR"] = DATA
    seed = os.path.join(HERE, "seed")   # first start: eddycoin_chain.json + miner defaults (never overwrites)
    if os.path.isdir(seed):
        import shutil
        for f in os.listdir(seed):
            if not os.path.exists(os.path.join(DATA, f)):
                shutil.copy2(os.path.join(seed, f), os.path.join(DATA, f))
    sys.path.insert(0, HERE)
    with open(real, "rb") as f:
        code = compile(f.read(), real, "exec")
    m = types.ModuleType("__main__")
    # wallet: app_dir() uses __file__; miner: app_dir() uses sys.argv[0] and multiprocessing (spawn) re-imports __file__
    m.__file__ = data_path if kind == "wallet" else real
    m.__builtins__ = __builtins__
    sys.modules["__main__"] = m
    sys.argv = [data_path]
    try:
        exec(code, m.__dict__)
    except SystemExit as e:
        if isinstance(e.code, str) and e.code:
            alert(title, e.code)
        raise
    except BaseException:
        alert(title, "%s could not start:\n\n%s\nLog: %s" % (title, traceback.format_exc(), DATA))
        sys.exit(1)


if __name__ == "__main__":
    main()