// routes/api/create/rent_schedule.ts
import { define } from "../../../utils.ts";
import { createRentSchedule } 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 contentType = ctx.req.headers.get("content-type") || "";
      let data: Record<string, string | number | string[]> = {};
      let sender: string | null = null;
      let isJsonRequest = false;

      // Handle both JSON and form data
      if (contentType.includes("application/json")) {
        isJsonRequest = true;
        const jsonData = await ctx.req.json();
        data = jsonData;
      } else {
        const formData = await ctx.req.formData();
        sender = formData.get("sender")?.toString() || null;

        data = {
          property_id: formData.get("property_id")?.toString() || "",
          rent_amount: parseFloat(
            formData.get("rent_amount")?.toString() || "0",
          ),
          due_day: parseInt(formData.get("due_day")?.toString() || "1"),
          late_fee_amount: parseFloat(
            formData.get("late_fee_amount")?.toString() || "0",
          ),
          grace_period_days: parseInt(
            formData.get("grace_period_days")?.toString() || "0",
          ),
          payment_methods_allowed:
            formData.get("payment_methods_allowed")?.toString().split(",") ||
            ["card", "ach"],
        };
      }

      const property_id = data.property_id as string;
      const rent_amount = data.rent_amount as number;
      const due_day = data.due_day as number;
      const late_fee_amount = data.late_fee_amount as number || 0;
      const grace_period_days = data.grace_period_days as number || 0;
      const payment_methods_allowed =
        data.payment_methods_allowed as string[] || ["card", "ach"];

      if (!property_id || !rent_amount || !due_day) {
        return new Response(
          JSON.stringify({
            error: "Property ID, rent amount, and due day are required",
          }),
          {
            status: 400,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      const result = await createRentSchedule(
        property_id,
        rent_amount,
        due_day,
        late_fee_amount,
        grace_period_days,
        payment_methods_allowed,
      );

      // Return appropriate response based on request type
      if (isJsonRequest) {
        return new Response(
          JSON.stringify({
            success: true,
            rent_schedule: result[0],
          }),
          {
            status: 200,
            headers: { "Content-Type": "application/json" },
          },
        );
      } else {
        // Redirect back to the sender URL
        const senderPath = sender?.toString() || "/";
        let redirectUrl = senderPath;
        try {
          if (senderPath.startsWith("/")) {
            const url = new URL(ctx.req.url);
            redirectUrl = url.origin + senderPath;
          }
        } catch (_) {
          // fallback: just use senderPath
        }
        return Response.redirect(redirectUrl, 303);
      }
    } catch (e) {
      return new Response(JSON.stringify({ error: e }), {
        status: 500,
        headers: { "Content-Type": "application/json" },
      });
    }
  },
});