// Cancel member subscription
import jwt from "jsonwebtoken";
import Member from "../../models/member.js";
import { connectDB } from "../../utils/mongoose.js";

const HELCIM_API_BASE = "https://api.helcim.com/v2";

export default defineEventHandler(async (event) => {
  try {
    await connectDB();
    const config = useRuntimeConfig(event);
    const token = getCookie(event, "auth-token");

    if (!token) {
      throw createError({
        statusCode: 401,
        statusMessage: "Not authenticated",
      });
    }

    // Decode JWT token
    let decoded;
    try {
      decoded = jwt.verify(token, process.env.JWT_SECRET);
    } catch (err) {
      throw createError({
        statusCode: 401,
        statusMessage: "Invalid or expired token",
      });
    }

    // Get member
    const member = await Member.findById(decoded.memberId);
    if (!member) {
      throw createError({
        statusCode: 404,
        statusMessage: "Member not found",
      });
    }

    // If already on free tier, nothing to cancel
    if (member.contributionTier === "0" || !member.helcimSubscriptionId) {
      return {
        success: true,
        message: "No active subscription to cancel",
        member,
      };
    }

    const helcimToken =
      config.public.helcimToken || process.env.NUXT_PUBLIC_HELCIM_TOKEN;

    try {
      // Cancel Helcim subscription
      const response = await fetch(
        `${HELCIM_API_BASE}/subscriptions/${member.helcimSubscriptionId}`,
        {
          method: "DELETE",
          headers: {
            accept: "application/json",
            "api-token": helcimToken,
          },
        },
      );

      if (!response.ok) {
        const errorText = await response.text();
        console.error(
          "Failed to cancel Helcim subscription:",
          response.status,
          errorText,
        );
        // Continue anyway - we'll update the member record
      }
    } catch (error) {
      console.error("Error canceling Helcim subscription:", error);
      // Continue anyway - we'll update the member record
    }

    // Update member status
    member.status = "cancelled";
    member.contributionTier = "0";
    member.helcimSubscriptionId = null;
    member.paymentMethod = "none";
    member.subscriptionEndDate = new Date();
    await member.save();

    return {
      success: true,
      message: "Subscription cancelled successfully",
      member,
    };
  } catch (error) {
    console.error("Error cancelling subscription:", error);
    throw createError({
      statusCode: error.statusCode || 500,
      statusMessage: error.message || "Failed to cancel subscription",
    });
  }
});