"""Demo: Using Tool schemas with base Tool class.

This example demonstrates how to use the Tool base class and its schema methods.
"""

import asyncio
from pathlib import Path
from typing import Any

import yaml

from mini_agent import LLMClient, LLMProvider
from mini_agent.schema import Message
from mini_agent.tools.base import Tool, ToolResult


def load_config():
    """Load config from config.yaml."""
    config_path = Path("mini_agent/config/config.yaml")
    with open(config_path, encoding="utf-8") as f:
        return yaml.safe_load(f)


class WeatherTool(Tool):
    """Example weather tool."""

    @property
    def name(self) -> str:
        return "get_weather"

    @property
    def description(self) -> str:
        return "Get current weather information for a location. Returns temperature and conditions."

    @property
    def parameters(self) -> dict[str, Any]:
        return {
            "type": "object",
            "properties": {
                "location": {
                    "type": "string",
                    "description": "City and state, e.g. 'San Francisco, CA' or 'London, UK'",
                },
                "unit": {
                    "type": "string",
                    "enum": ["celsius", "fahrenheit"],
                    "description": "Temperature unit (celsius or fahrenheit)",
                },
            },
            "required": ["location"],
        }

    async def execute(self, **kwargs) -> ToolResult:
        """Mock execute method."""
        return ToolResult(success=True, content="Weather data")


class SearchTool(Tool):
    """Example search tool."""

    @property
    def name(self) -> str:
        return "search_web"

    @property
    def description(self) -> str:
        return "Search the web for information about a topic"

    @property
    def parameters(self) -> dict[str, Any]:
        return {
            "type": "object",
            "properties": {
                "query": {
                    "type": "string",
                    "description": "Search query string",
                },
                "max_results": {
                    "type": "integer",
                    "description": "Maximum number of results to return (1-10)",
                },
            },
            "required": ["query"],
        }

    async def execute(self, **kwargs) -> ToolResult:
        """Mock execute method."""
        return ToolResult(success=True, content="Search results")


class CalculatorTool(Tool):
    """Example calculator tool."""

    @property
    def name(self) -> str:
        return "calculator"

    @property
    def description(self) -> str:
        return "Perform arithmetic calculations"

    @property
    def parameters(self) -> dict[str, Any]:
        return {
            "type": "object",
            "properties": {
                "expression": {
                    "type": "string",
                    "description": "Mathematical expression to evaluate, e.g. '2 + 2' or '10 * 5'",
                }
            },
            "required": ["expression"],
        }

    async def execute(self, **kwargs) -> ToolResult:
        """Mock execute method."""
        return ToolResult(success=True, content="Calculation result")


class TranslateTool(Tool):
    """Example translate tool."""

    @property
    def name(self) -> str:
        return "translate"

    @property
    def description(self) -> str:
        return "Translate text from one language to another"

    @property
    def parameters(self) -> dict[str, Any]:
        return {
            "type": "object",
            "properties": {
                "text": {
                    "type": "string",
                    "description": "Text to translate",
                },
                "target_language": {
                    "type": "string",
                    "description": "Target language code (e.g. 'en', 'es', 'fr')",
                },
            },
            "required": ["text", "target_language"],
        }

    async def execute(self, **kwargs) -> ToolResult:
        """Mock execute method."""
        return ToolResult(success=True, content="Translation result")


async def demo_tool_schemas():
    """Demonstrate using Tool objects with LLM."""
    config = load_config()

    print("=" * 60)
    print("Method 1: Using Tool Objects with LLM")
    print("=" * 60)

    # Create tool instances
    weather_tool = WeatherTool()
    search_tool = SearchTool()

    # Create client
    client = LLMClient(
        api_key=config["api_key"],
        provider=LLMProvider.ANTHROPIC,
        model="MiniMax-M2.1",
    )

    # Test with a query that should trigger weather tool
    messages = [
        Message(
            role="user",
            content="What's the weather like in Tokyo? I want it in celsius.",
        )
    ]

    print("\nQuery: What's the weather like in Tokyo? I want it in celsius.")
    print("\nAvailable tools:")
    print(f"  1. {weather_tool.name}: {weather_tool.description}")
    print(f"  2. {search_tool.name}: {search_tool.description}")

    # Pass Tool objects directly to generate
    response = await client.generate(
        messages,
        tools=[weather_tool, search_tool],  # Using Tool objects
    )

    print(f"\nResponse content: {response.content}")

    if response.thinking:
        print(f"\nThinking: {response.thinking}")

    if response.tool_calls:
        print(f"\nTool calls made: {len(response.tool_calls)}")
        for tool_call in response.tool_calls:
            print(f"  - Function: {tool_call.function.name}")
            print(f"    Arguments: {tool_call.function.arguments}")


async def demo_multiple_tools():
    """Demonstrate using multiple Tool instances."""
    config = load_config()

    print("\n" + "=" * 60)
    print("Method 2: Using Multiple Tool Instances")
    print("=" * 60)

    # Create tool instances
    calculator_tool = CalculatorTool()
    translate_tool = TranslateTool()

    client = LLMClient(
        api_key=config["api_key"],
        provider=LLMProvider.ANTHROPIC,
        model="MiniMax-M2.1",
    )

    messages = [Message(role="user", content="Calculate 15 * 23 for me")]

    print("\nQuery: Calculate 15 * 23 for me")
    print("\nAvailable tools:")
    print("  1. calculator (Tool)")
    print("  2. translate (Tool)")

    response = await client.generate(messages, tools=[calculator_tool, translate_tool])

    print(f"\nResponse content: {response.content}")

    if response.thinking:
        print(f"\nThinking: {response.thinking}")

    if response.tool_calls:
        print(f"\nTool calls made: {len(response.tool_calls)}")
        for tool_call in response.tool_calls:
            print(f"  - Function: {tool_call.function.name}")
            print(f"    Arguments: {tool_call.function.arguments}")


async def demo_tool_schema_methods():
    """Demonstrate Tool schema conversion methods."""
    print("\n" + "=" * 60)
    print("Method 3: Tool Schema Conversion Methods")
    print("=" * 60)

    weather_tool = WeatherTool()

    print("\nTool to Anthropic schema (to_schema):")
    anthropic_schema = weather_tool.to_schema()
    print(f"  {anthropic_schema}")

    print("\nTool to OpenAI schema (to_openai_schema):")
    openai_schema = weather_tool.to_openai_schema()
    print(f"  {openai_schema}")

    print("\nSchema methods allow flexible tool usage with different LLM providers.")


async def main():
    """Run all demos."""
    print("\n🚀 Tool Schema Demo - Using Tool Base Class\n")

    try:
        # Demo 1: Tool objects with LLM
        await demo_tool_schemas()

        # Demo 2: Multiple tools
        await demo_multiple_tools()

        # Demo 3: Schema methods
        await demo_tool_schema_methods()

        print("\n✅ All demos completed successfully!")

    except Exception as e:
        print(f"\n❌ Error: {e}")
        import traceback

        traceback.print_exc()


if __name__ == "__main__":
    asyncio.run(main())