// routes/api/payments/set_auto_pay.ts
import { define } from "../../../utils.ts";
import { setAutoPayment } from "../../../services/paymentService.ts";
import { SessionCookie } from "../../auth/callback.ts";

export const handler = define.handlers({
  async POST(ctx) {
    try {
      const stateData: SessionCookie = ctx.state.data;
      const user_id = stateData.user_id;

      if (!user_id) {
        return new Response(
          JSON.stringify({
            error: "User not authenticated",
          }),
          {
            status: 401,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      const contentType = ctx.req.headers.get("content-type") || "";
      let data: Record<string, string> = {};

      // Handle both JSON and form data
      if (contentType.includes("application/json")) {
        const jsonData = await ctx.req.json();
        data = jsonData;
      } else {
        const formData = await ctx.req.formData();
        data = {
          lease_id: formData.get("lease_id")?.toString() || "",
          payment_method_id: formData.get("payment_method_id")?.toString() ||
            "",
        };
      }

      const lease_id = data.lease_id as string;
      const payment_method_id = data.payment_method_id as string;

      if (!lease_id) {
        return new Response(
          JSON.stringify({
            error: "Lease ID is required",
          }),
          {
            status: 400,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      if (!payment_method_id) {
        return new Response(
          JSON.stringify({
            error: "Payment method ID is required",
          }),
          {
            status: 400,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      const result = await setAutoPayment(lease_id, user_id, payment_method_id);

      return new Response(
        JSON.stringify({
          success: true,
          lease: result[0],
        }),
        {
          status: 200,
          headers: { "Content-Type": "application/json" },
        },
      );
    } catch (e) {
      console.error("Error setting auto payment:", e);
      return new Response(
        JSON.stringify({
          error: e instanceof Error ? e.message : "Failed to set auto payment",
        }),
        {
          status: 500,
          headers: { "Content-Type": "application/json" },
        },
      );
    }
  },
});