"""Response models for ERP AI Assistant API.

This module defines Pydantic models for API response formatting.
"""

from typing import Any, Optional

from pydantic import BaseModel, Field


class AnalyzeResponse(BaseModel):
    """Response model for requirement analysis.

    Attributes:
        session_id: Session ID for this analysis
        status: Processing status
        data: Structured requirement analysis result
    """

    session_id: str = Field(..., description="会话ID")
    status: str = Field(..., description="处理状态")
    data: dict = Field(..., description="结构化需求分析结果")

    model_config = {
        "json_schema_extra": {
            "examples": [
                {
                    "session_id": "session-123",
                    "status": "success",
                    "data": {
                        "功能名称": "销售订单管理",
                        "功能类型": "列表页面"
                    }
                }
            ]
        }
    }


class GenerateResponse(BaseModel):
    """Response model for config generation.

    Attributes:
        session_id: Session ID
        status: Processing status
        data: Generated SQL configuration
    """

    session_id: str = Field(..., description="会话ID")
    status: str = Field(..., description="处理状态")
    data: dict = Field(..., description="生成的SQL配置")

    model_config = {
        "json_schema_extra": {
            "examples": [
                {
                    "session_id": "session-123",
                    "status": "success",
                    "data": {
                        "sql_list": ["INSERT INTO SYS_FORM ...", "INSERT INTO SYS_MENU ..."]
                    }
                }
            ]
        }
    }


class ExecuteResponse(BaseModel):
    """Response model for config execution.

    Attributes:
        execution_id: Unique execution ID
        status: Execution status
        message: Human-readable result message
    """

    execution_id: str = Field(..., description="执行ID")
    status: str = Field(..., description="执行状态")
    message: str = Field(..., description="执行结果消息")

    model_config = {
        "json_schema_extra": {
            "examples": [
                {
                    "execution_id": "exec-456",
                    "status": "success",
                    "message": "成功执行 5 条SQL"
                }
            ]
        }
    }


class ErrorResponse(BaseModel):
    """Response model for errors.

    Attributes:
        error: Error details dictionary
    """

    error: dict = Field(..., description="错误详情")

    model_config = {
        "json_schema_extra": {
            "examples": [
                {
                    "error": {
                        "code": "VALIDATION_ERROR",
                        "message": "Invalid input",
                        "details": "Field 'input_type' must be 'natural_language' or 'structured'"
                    }
                }
            ]
        }
    }


class HealthResponse(BaseModel):
    """Response model for health check.

    Attributes:
        status: Service health status
        version: Application version
    """

    status: str = Field(..., description="服务状态")
    version: str = Field(default="1.0.0", description="版本号")

    model_config = {
        "json_schema_extra": {
            "examples": [{"status": "healthy", "version": "1.0.0"}]
        }
    }