import { define, State } from "../../../utils.ts";
import { Context } from "fresh";
import { getUser, updateUser } from "../../../services/userService.ts";
import { User } from "../../../db/interfaces.ts";

export const handler = define.handlers({
  async POST(ctx: Context<State>) {
    try {
      // Get user ID from session data
      const userId = ctx.state.data.user_id;

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

      // Parse request body
      const body = await ctx.req.json();
      const { encrypted_data } = body;

      // Validate input
      if (typeof encrypted_data !== "string") {
        return new Response(
          JSON.stringify({
            error: "encrypted_data is required and must be a string",
          }),
          {
            status: 400,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      // Get existing user
      const existingUser = await getUser(userId) as User;
      if (!existingUser) {
        return new Response(
          JSON.stringify({ error: "User profile not found" }),
          {
            status: 404,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      // Update user with encrypted data
      const updatedUser = await updateUser(userId, {
        encrypted_data,
      });

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

      // Return success response
      return new Response(
        JSON.stringify({
          success: true,
          message: "User encrypted data updated successfully",
        }),
        {
          status: 200,
          headers: { "Content-Type": "application/json" },
        },
      );
    } catch (error) {
      console.error("Error updating user profile:", error);
      return new Response(
        JSON.stringify({ error: "Internal server error" }),
        {
          status: 500,
          headers: { "Content-Type": "application/json" },
        },
      );
    }
  },
});