import { NextResponse } from "next/server";
import { getConfig, saveDBConfig, saveAIConfig, saveExportConfig, type DBConfig, type AIConfig, type ExportConfig } from "@/lib/config";

// GET /api/config - 获取完整配置
export async function GET() {
  try {
    const config = getConfig();
    return NextResponse.json({
      success: true,
      data: config,
    });
  } catch (error) {
    return NextResponse.json(
      { success: false, error: "读取配置失败" },
      { status: 500 }
    );
  }
}

// POST /api/config - 保存配置
// Body 格式: { db?: DBConfig, ai?: AIConfig, export?: ExportConfig }
export async function POST(request: Request) {
  try {
    const body = await request.json();
    const { db, ai, export: exportConfig } = body;

    if (db) {
      saveDBConfig(db);
    }

    if (ai) {
      saveAIConfig(ai);
    }

    if (exportConfig) {
      saveExportConfig(exportConfig);
    }

    // 如果同时发送了完整配置
    if (!db && !ai && !exportConfig && body.db === undefined && body.ai === undefined && body.export === undefined) {
      // 可能是旧的扁平格式，尝试兼容
      if (body.apiKey !== undefined || body.baseUrl !== undefined || body.model !== undefined) {
        saveAIConfig({
          apiKey: body.apiKey,
          baseUrl: body.baseUrl,
          model: body.model,
        });
      }
    }

    return NextResponse.json({
      success: true,
      message: "配置已保存",
    });
  } catch (error) {
    return NextResponse.json(
      { success: false, error: "保存失败" },
      { status: 500 }
    );
  }
}