const express = require("express");
const router = express.Router();
const db = require("../config/database");

// 获取工具调用日志列表
router.get("/", async (req, res) => {
  try {
    const { page = 1, pageSize = 10, user, mcp_tools_name, status, start_time, end_time } = req.query;
    const offset = (page - 1) * pageSize;

    // 构建查询条件
    let whereConditions = [];
    let queryParams = [];

    if (user) {
      whereConditions.push("user LIKE ?");
      queryParams.push(`%${user}%`);
    }

    if (mcp_tools_name) {
      whereConditions.push("mcp_tools_name LIKE ?");
      queryParams.push(`%${mcp_tools_name}%`);
    }

    if (status) {
      whereConditions.push("status = ?");
      queryParams.push(status);
    }

    if (start_time) {
      whereConditions.push("call_timestamp >= ?");
      queryParams.push(parseInt(start_time));
    }

    if (end_time) {
      whereConditions.push("call_timestamp <= ?");
      queryParams.push(parseInt(end_time));
    }

    const whereClause = whereConditions.length > 0 ? `WHERE ${whereConditions.join(" AND ")}` : "";

    // 获取总数
    const countQuery = `SELECT COUNT(*) as total FROM tools_call_log ${whereClause}`;
    const countResult = await db.query(countQuery, queryParams);
    const total = countResult[0].total;

    // 获取列表数据
    const listQuery = `
      SELECT id, user, token, mcp_tools_name, status, fail_msg, 
             call_timestamp, finish_timestamp
      FROM tools_call_log 
      ${whereClause}
      ORDER BY call_timestamp DESC 
      LIMIT ? OFFSET ?
    `;
    
    const listParams = [...queryParams, parseInt(pageSize), offset];
    const list = await db.query(listQuery, listParams);

    res.json({
      success: true,
      data: {
        list,
        total,
        page: parseInt(page),
        pageSize: parseInt(pageSize),
      },
    });
  } catch (error) {
    console.error("获取工具调用日志列表失败:", error);
    res.status(500).json({
      success: false,
      error: "获取工具调用日志列表失败",
    });
  }
});

// 获取工具调用日志详情
router.get("/:id", async (req, res) => {
  try {
    const { id } = req.params;
    
    const query = `
      SELECT id, user, token, mcp_tools_name, request_params, status, 
             response, fail_msg, call_timestamp, finish_timestamp
      FROM tools_call_log 
      WHERE id = ?
    `;
    
    const result = await db.query(query, [id]);
    
    if (result.length === 0) {
      return res.status(404).json({
        success: false,
        error: "工具调用日志不存在",
      });
    }

    res.json({
      success: true,
      data: result[0],
    });
  } catch (error) {
    console.error("获取工具调用日志详情失败:", error);
    res.status(500).json({
      success: false,
      error: "获取工具调用日志详情失败",
    });
  }
});

module.exports = router;