#!/usr/bin/env python3
"""
配置管理使用示例

演示如何使用配置管理模块进行各种操作
"""

import sys
from pathlib import Path

# 添加项目路径
sys.path.insert(0, str(Path(__file__).parent.parent))

from src.config.settings import (
    get_config,
    get_settings,
    SettingsManager,
    AIProvider,
    OCRMode,
    CloudStorageType,
    Theme,
    ConfigError
)


def example_1_basic_usage():
    """示例 1: 基本使用"""
    print("=" * 60)
    print("示例 1: 基本使用")
    print("=" * 60)

    # 获取配置对象
    settings = get_settings()

    print(f"AI 提供商: {settings.ai.provider}")
    print(f"AI 模型: {settings.ai.model}")
    print(f"OCR 模式: {settings.ocr.mode}")
    print(f"界面主题: {settings.ui.theme}")
    print(f"快捷键 - 截图: {settings.ui.hotkeys.screenshot}")
    print()


def example_2_modify_config():
    """示例 2: 修改配置"""
    print("=" * 60)
    print("示例 2: 修改配置")
    print("=" * 60)

    settings = get_settings()

    # 修改 AI 配置
    settings.ai.provider = AIProvider.OPENAI
    settings.ai.model = "gpt-4"
    settings.ai.temperature = 0.8

    # 修改界面配置
    settings.ui.theme = Theme.DARK
    settings.ui.window_width = 1400

    print("配置已修改:")
    print(f"  AI 提供商: {settings.ai.provider}")
    print(f"  AI 模型: {settings.ai.model}")
    print(f"  温度: {settings.ai.temperature}")
    print(f"  主题: {settings.ui.theme}")

    # 注意: 实际使用时需要调用 manager.save() 来保存
    # manager.save()

    print()


def example_3_manager_operations():
    """示例 3: 配置管理器操作"""
    print("=" * 60)
    print("示例 3: 配置管理器操作")
    print("=" * 60)

    manager = get_config()

    # 使用 get 获取嵌套值
    provider = manager.get('ai.provider')
    theme = manager.get('ui.theme')
    screenshot_hotkey = manager.get('ui.hotkeys.screenshot')

    print("使用 manager.get() 获取配置:")
    print(f"  AI 提供商: {provider}")
    print(f"  主题: {theme}")
    print(f"  截图快捷键: {screenshot_hotkey}")

    # 使用 set 设置嵌套值
    manager.set('ai.temperature', 1.2)
    manager.set('ui.language', 'en_US')

    print("\n使用 manager.set() 修改配置:")
    print(f"  温度: {manager.settings.ai.temperature}")
    print(f"  语言: {manager.settings.ui.language}")

    print()


def example_4_validation():
    """示例 4: 配置验证"""
    print("=" * 60)
    print("示例 4: 配置验证")
    print("=" * 60)

    settings = get_settings()

    # 验证当前配置
    try:
        settings.validate()
        print("✓ 当前配置有效")
    except ConfigError as e:
        print(f"✗ 配置错误: {e}")

    # 尝试创建无效配置
    print("\n尝试创建无效配置:")
    settings.ai.provider = AIProvider.OPENAI
    settings.ai.api_key = ""  # 缺少 API key

    try:
        settings.validate()
        print("✗ 应该抛出异常")
    except ConfigError as e:
        print(f"✓ 正确捕获错误: {e}")

    print()


def example_5_custom_config_file():
    """示例 5: 使用自定义配置文件"""
    print("=" * 60)
    print("示例 5: 使用自定义配置文件")
    print("=" * 60)

    import tempfile
    import shutil

    # 创建临时目录
    temp_dir = Path(tempfile.mkdtemp())
    custom_config = temp_dir / 'custom_config.yaml'

    try:
        # 创建自定义配置管理器
        manager = SettingsManager(custom_config)

        # 加载配置（会创建默认配置）
        settings = manager.load()
        print(f"✓ 配置文件已创建: {custom_config}")

        # 修改配置
        settings.ai.provider = AIProvider.ANTHROPIC
        settings.ai.api_key = "sk-ant-test123"
        settings.ui.theme = Theme.LIGHT

        # 保存配置
        manager.save()
        print("✓ 配置已保存")

        # 重新加载验证
        manager2 = SettingsManager(custom_config)
        loaded = manager2.load()
        print(f"✓ 重新加载成功: provider={loaded.ai.provider}, theme={loaded.ui.theme}")

    finally:
        # 清理
        shutil.rmtree(temp_dir)

    print()


def example_6_cloud_storage_config():
    """示例 6: 云存储配置"""
    print("=" * 60)
    print("示例 6: 云存储配置")
    print("=" * 60)

    settings = get_settings()

    # 配置 S3 存储
    settings.cloud_storage.type = CloudStorageType.S3
    settings.cloud_storage.endpoint = "https://s3.amazonaws.com"
    settings.cloud_storage.access_key = "your-access-key"
    settings.cloud_storage.secret_key = "your-secret-key"
    settings.cloud_storage.bucket = "my-bucket"
    settings.cloud_storage.region = "us-east-1"

    print("S3 存储配置:")
    print(f"  类型: {settings.cloud_storage.type}")
    print(f"  端点: {settings.cloud_storage.endpoint}")
    print(f"  存储桶: {settings.cloud_storage.bucket}")
    print(f"  区域: {settings.cloud_storage.region}")

    # 验证配置
    try:
        settings.cloud_storage.validate()
        print("✓ S3 配置有效")
    except ConfigError as e:
        print(f"✗ S3 配置错误: {e}")

    print()


def example_7_ocr_config():
    """示例 7: OCR 配置"""
    print("=" * 60)
    print("示例 7: OCR 配置")
    print("=" * 60)

    settings = get_settings()

    # 本地 OCR 配置
    settings.ocr.mode = OCRMode.LOCAL
    settings.ocr.use_gpu = False
    settings.ocr.lang = "ch"  # 中文

    print("本地 OCR 配置:")
    print(f"  模式: {settings.ocr.mode}")
    print(f"  使用 GPU: {settings.ocr.use_gpu}")
    print(f"  语言: {settings.ocr.lang}")

    # 云端 OCR 配置
    settings.ocr.mode = OCRMode.CLOUD
    settings.ocr.api_endpoint = "https://api.example.com/ocr"
    settings.ocr.api_key = "cloud-api-key"

    print("\n云端 OCR 配置:")
    print(f"  模式: {settings.ocr.mode}")
    print(f"  端点: {settings.ocr.api_endpoint}")

    print()


def example_8_advanced_config():
    """示例 8: 高级配置"""
    print("=" * 60)
    print("示例 8: 高级配置")
    print("=" * 60)

    settings = get_settings()

    # 启用调试模式
    settings.advanced.debug_mode = True
    settings.advanced.log_level = "DEBUG"
    settings.advanced.log_file = "/var/log/cutthenthink/app.log"

    print("高级配置:")
    print(f"  调试模式: {settings.advanced.debug_mode}")
    print(f"  日志级别: {settings.advanced.log_level}")
    print(f"  日志文件: {settings.advanced.log_file}")
    print(f"  最大日志大小: {settings.advanced.max_log_size} MB")
    print(f"  备份文件数: {settings.advanced.backup_count}")

    print()


def main():
    """运行所有示例"""
    print("\n" + "=" * 60)
    print("配置管理模块使用示例")
    print("=" * 60 + "\n")

    example_1_basic_usage()
    example_2_modify_config()
    example_3_manager_operations()
    example_4_validation()
    example_5_custom_config_file()
    example_6_cloud_storage_config()
    example_7_ocr_config()
    example_8_advanced_config()

    print("=" * 60)
    print("所有示例运行完成！")
    print("=" * 60)


if __name__ == '__main__':
    main()