import { getServerSession } from "next-auth/next";
import { authOptions } from "../../auth/[...nextauth]/route";
import { query, queryOne } from "../../../../lib/db";

export async function GET(request) {
  try {
    // Get the user's session with better error handling
    let session;
    try {
      session = await getServerSession(authOptions);
    } catch (sessionError) {
      console.error("Session fetch error:", sessionError);
      return Response.json(
        { error: "Authentication error", details: sessionError.message },
        { status: 401 }
      );
    }

    // Check if user is authenticated
    if (!session || !session.user) {
      return Response.json({ error: "You must be logged in" }, { status: 401 });
    }

    // Check if user is part of a team
    if (!session.user.teamId) {
      return Response.json(
        { error: "You are not part of a team" },
        { status: 404 }
      );
    }

    // Fetch team data
    const team = await queryOne("SELECT * FROM teams WHERE id = ?", [
      session.user.teamId,
    ]);

    if (!team) {
      return Response.json({ error: "Team not found" }, { status: 404 });
    }

    // Fetch team members
    const members = await query(
      "SELECT id, username FROM users WHERE team_id = ? ORDER BY username ASC",
      [session.user.teamId]
    );

    // Fetch hunt status to provide start time - safely check multiple places
    let huntStartTime = null;

    try {
      // Try hunt_status table first
      const huntStatus = await queryOne("SELECT * FROM hunt_status LIMIT 1");
      if (huntStatus) {
        huntStartTime = huntStatus.start_time;
      } else {
        // Fallback to hunts table if it exists
        const oldHuntRecord = await queryOne(
          "SELECT start_time FROM hunts ORDER BY id DESC LIMIT 1"
        );
        if (oldHuntRecord) {
          huntStartTime = oldHuntRecord.start_time;
        }
      }
    } catch (err) {
      console.log("Error fetching hunt status (non-critical):", err.message);
      // Continue even if hunt status check fails
    }

    // Add cache-busting headers
    return Response.json(
      {
        success: true,
        team,
        members,
        huntStartTime: huntStartTime,
        refreshed: new Date().toISOString(),
      },
      {
        status: 200,
        headers: {
          "Cache-Control": "no-store, must-revalidate, max-age=0",
          Pragma: "no-cache",
          Expires: "0",
        },
      }
    );
  } catch (error) {
    console.error("Team fetch error:", error);
    return Response.json(
      { error: "Failed to fetch team data" },
      { status: 500 }
    );
  }
}