"""Tests for ShellApp registration and lifecycle."""

import json
import os
from unittest.mock import patch

from substrate_sdk.app import ShellApp


class TestShellAppDevMode:

    def test_register_no_socket(self, capsys):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="test-app", version="1.0.0")
            ctx = app.register()
        assert ctx.is_governed is False
        assert ctx.shard_id  # UUID assigned

    def test_emits_shard_started(self, capsys):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="test-app")
            app.register()
        lines = capsys.readouterr().out.strip().split("\n")
        events = [json.loads(l) for l in lines if l.strip()]
        started = [e for e in events if e.get("kind") == "APP_SHARD_STARTED"]
        assert len(started) == 1
        assert started[0]["payload"]["governed"] is False

    def test_shutdown_emits_shard_stopped(self, capsys):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="test-app")
            app.register()
            app.shutdown("normal")
        lines = capsys.readouterr().out.strip().split("\n")
        events = [json.loads(l) for l in lines if l.strip()]
        stopped = [e for e in events if e.get("kind") == "APP_SHARD_STOPPED"]
        assert len(stopped) == 1

    def test_register_timeout_fallback(self, tmp_path):
        sock_path = str(tmp_path / "shard.sock")
        # Create file so os.path.exists returns True, but nothing listens
        open(sock_path, "w").close()
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": sock_path, "SUBSTRATE_REGISTER_TIMEOUT": "0.1"}):
            app = ShellApp(shard_name="timeout-test")
            ctx = app.register()
        assert ctx.is_governed is False

    def test_shard_name_in_context(self):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="my-shard")
            ctx = app.register()
        assert ctx.shard_name == "my-shard"

    def test_emitter_available(self):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="test")
            app.register()
        assert app.emitter is not None

    def test_capabilities_in_started(self, capsys):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="cap-test", capabilities={"network": True})
            app.register()
        lines = capsys.readouterr().out.strip().split("\n")
        started = json.loads(lines[0])
        assert started["payload"]["capabilities"]["network"] is True

    def test_version_in_started(self, capsys):
        with patch.dict(os.environ, {"SUBSTRATE_SHELL_SOCKET": "/tmp/nonexistent.sock"}):
            app = ShellApp(shard_name="ver-test", version="1.2.3")
            app.register()
        started = json.loads(capsys.readouterr().out.strip().split("\n")[0])
        assert started["payload"]["version"] == "1.2.3"