"""Agent 运行时配置与已废弃活动目录的 pytest 回归。"""

import shutil
import textwrap
from pathlib import Path
from types import SimpleNamespace
from unittest.mock import patch

import pytest

from app.agent.runtime import AgentRuntimeManager


@pytest.fixture
def context(tmp_path):
    """为每项测试创建独立运行目录及配置管理器工厂。"""
    agent_root = tmp_path / "agent"
    defaults_root = Path(__file__).resolve().parents[1] / "app" / "agent" / "defaults"
    return SimpleNamespace(temp_root=tmp_path, agent_root=agent_root, defaults_root=defaults_root,
                           _manager=lambda: AgentRuntimeManager(agent_root_dir=agent_root, bundled_defaults_dir=defaults_root))


def test_default_root_uses_runtime_settings_service(context):
    """未显式传入目录时，管理器应读取组合根提供的配置目录。"""
    config_root = context.temp_root / 'configured'
    service = SimpleNamespace(get=lambda key: config_root if key == 'CONFIG_PATH' else None)
    with patch('app.agent.runtime.get_runtime_settings', return_value=service):
        manager = AgentRuntimeManager(bundled_defaults_dir=context.defaults_root)
    assert manager.agent_root_dir == config_root / 'agent'


def test_load_runtime_config_syncs_defaults_and_parses_sections(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    manager = context._manager()
    runtime_config = manager.load_runtime_config()
    assert runtime_config.active_persona == 'default'
    assert 'professional, concise, restrained' in runtime_config.persona.text
    assert runtime_config.persona.persona_id == 'default'
    assert 'concise' in [persona.persona_id for persona in runtime_config.available_personas]
    assert (context.agent_root / 'runtime' / 'CURRENT_PERSONA.md').exists()
    assert (context.agent_root / 'runtime' / 'personas' / 'default' / 'PERSONA.md').exists()
    assert (context.agent_root / 'runtime' / 'subagents' / 'general-purpose' / 'SUBAGENT.md').exists()
    assert [subagent.subagent_id for subagent in runtime_config.available_subagents] == ['general-purpose']


def test_legacy_root_markdown_is_migrated_to_memory_directory(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    context.agent_root.mkdir(parents=True, exist_ok=True)
    legacy_memory = context.agent_root / 'MEMORY.md'
    legacy_memory.write_text('# Legacy Memory\n', encoding='utf-8')
    legacy_persona = context.agent_root / 'CURRENT_PERSONA.md'
    legacy_persona.write_text(textwrap.dedent('                ---\n                version: 3\n                active_persona: default\n                extra_context_files: []\n                deprecated_phrases: []\n                ---\n                '), encoding='utf-8')
    manager = context._manager()
    manager.ensure_layout()
    assert not legacy_memory.exists()
    assert (context.agent_root / 'memory' / 'MEMORY.md').exists()
    assert not legacy_persona.exists()
    assert (context.agent_root / 'runtime' / 'CURRENT_PERSONA.md').exists()


def test_obsolete_runtime_files_are_deleted_instead_of_migrated(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    context.agent_root.mkdir(parents=True, exist_ok=True)
    obsolete_root = context.agent_root / 'USER_PREFERENCES.md'
    obsolete_root.write_text('# Obsolete\n', encoding='utf-8')
    obsolete_runtime = context.agent_root / 'runtime' / 'system_tasks' / 'SYSTEM_TASKS.md'
    obsolete_runtime.parent.mkdir(parents=True, exist_ok=True)
    obsolete_runtime.write_text('# Obsolete Tasks\n', encoding='utf-8')
    obsolete_persona = context.agent_root / 'runtime' / 'personas' / 'default' / 'AGENT_PROFILE.md'
    obsolete_persona.parent.mkdir(parents=True, exist_ok=True)
    obsolete_persona.write_text('# Obsolete Persona\n', encoding='utf-8')
    manager = context._manager()
    manager.ensure_layout()
    assert not obsolete_root.exists()
    assert not obsolete_runtime.exists()
    assert not obsolete_persona.exists()
    assert not (context.agent_root / 'memory' / 'USER_PREFERENCES.md').exists()


def test_activity_history_is_preserved_without_creating_new_logs(context):
    """旧活动历史保持原地，运行时不再创建新活动目录。"""
    old_activity = context.agent_root / 'activity'
    old_activity.mkdir(parents=True, exist_ok=True)
    old_log = old_activity / '2026-06-18.md'
    old_log.write_text('# 旧活动日志\n', encoding='utf-8')
    manager = context._manager()
    manager.ensure_layout()
    assert not (context.agent_root / 'memory' / 'activity').exists()
    assert old_log.exists()
    assert not hasattr(manager, 'activity_dir')


def test_render_prompt_sections_uses_active_persona(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    manager = context._manager()
    runtime_config = manager.load_runtime_config()
    sections = runtime_config.render_prompt_sections()
    assert '<agent_persona>' in sections
    assert 'Active persona: `default`' in sections
    assert '`persona` with `action=list`' in sections
    assert 'Available personas:' not in sections
    assert 'Available subagents:' not in sections
    assert 'Available subagents:' not in sections


def test_set_active_persona_supports_id_and_alias(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    manager = context._manager()
    manager.load_runtime_config()
    guide_config = manager.set_active_persona('guide')
    assert guide_config.active_persona == 'guide'
    assert guide_config.persona.label == '说明型'
    concise_config = manager.set_active_persona('简洁')
    assert concise_config.active_persona == 'concise'
    assert 'active_persona: concise' in concise_config.current_persona_path.read_text(encoding='utf-8')


def test_invalid_user_runtime_config_falls_back_to_bundled_defaults(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    manager = context._manager()
    manager.ensure_layout()
    invalid_current = context.agent_root / 'runtime' / 'CURRENT_PERSONA.md'
    invalid_current.write_text(textwrap.dedent('                ---\n                version: 3\n                active_persona: broken\n                extra_context_files: []\n                deprecated_phrases: []\n                ---\n                '), encoding='utf-8')
    manager.invalidate_cache()
    runtime_config = manager.load_runtime_config()
    assert runtime_config.used_fallback
    assert runtime_config.active_persona == 'default'
    assert '已回退到内置默认配置' in runtime_config.warnings[0]


def test_deprecated_phrase_warning_is_reported(context):
    """验证运行时配置、人格选择及原有目录行为。"""
    context.agent_root.mkdir(parents=True, exist_ok=True)
    runtime_root = context.agent_root / 'runtime'
    shutil.copytree(context.defaults_root, runtime_root)
    current_persona = runtime_root / 'CURRENT_PERSONA.md'
    current_persona.write_text(textwrap.dedent('                ---\n                version: 3\n                active_persona: default\n                extra_context_files: []\n                deprecated_phrases:\n                  - professional, concise, restrained\n                ---\n                '), encoding='utf-8')
    manager = context._manager()
    manager.invalidate_cache()
    runtime_config = manager.load_runtime_config()
    assert any(('professional, concise, restrained' in warning for warning in runtime_config.warnings))