// routes/api/user/preferences.ts
import { define } from "../../../utils.ts";
import { updateUser } from "../../../services/userService.ts";

export const handler = define.handlers({
  async POST(ctx) {
    const { user_id } = ctx.state.data;

    if (!user_id) {
      return new Response(JSON.stringify({ error: "Unauthorized" }), {
        status: 401,
        headers: { "Content-Type": "application/json" },
      });
    }

    try {
      const body = await ctx.req.json();
      const updates: {
        notification_preferences_json?: string;
        payment_preferences_json?: string;
      } = {};

      // Handle notification preferences
      if (body.notification_preferences) {
        updates.notification_preferences_json = JSON.stringify(
          body.notification_preferences,
        );
      }

      // Handle payment preferences
      if (body.payment_preferences) {
        updates.payment_preferences_json = JSON.stringify(
          body.payment_preferences,
        );
      }

      if (Object.keys(updates).length === 0) {
        return new Response(
          JSON.stringify({ error: "No preferences provided for update" }),
          {
            status: 400,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      const updatedUser = await updateUser(user_id, updates);

      if (!updatedUser) {
        return new Response(
          JSON.stringify({ error: "Failed to update user preferences" }),
          {
            status: 500,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      return new Response(
        JSON.stringify({ message: "Preferences updated successfully" }),
        {
          status: 200,
          headers: { "Content-Type": "application/json" },
        },
      );
    } catch (error) {
      console.error("API Error updating user preferences:", error);
      return new Response(
        JSON.stringify({ error: "Internal Server Error" }),
        {
          status: 500,
          headers: { "Content-Type": "application/json" },
        },
      );
    }
  },
});