// routes/api/retrieve/lease.ts
import { define } from "../../../utils.ts";
import { SessionCookie } from "../../auth/callback.ts";
import {
  getLeasesByOwner,
  getLeasesByTenant,
} from "../../../services/leaseService.ts";
import { getUser } from "../../../services/userService.ts";
import { Lease } from "../../../db/interfaces.ts";

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

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

      // Get user to determine role
      const user = await getUser(user_id);

      if (!user) {
        return new Response(
          JSON.stringify({ error: "User not found" }),
          {
            status: 404,
            headers: { "Content-Type": "application/json" },
          },
        );
      }

      let leases: Lease[] = [];

      // Filter leases based on user role
      if (user.user_type === "landlord") {
        // Landlord sees all leases where they are the owner
        leases = await getLeasesByOwner(user_id);
      } else if (user.user_type === "tenant") {
        // Tenant sees only leases where they are the tenant
        leases = await getLeasesByTenant(user_id);
      } else {
        // Admin or other roles - return empty or all (depending on requirements)
        // For now, return empty list for non-landlord/tenant roles
        leases = [];
      }

      return new Response(
        JSON.stringify({
          success: true,
          leases,
          count: leases.length,
        }),
        {
          status: 200,
          headers: { "Content-Type": "application/json" },
        },
      );
    } catch (error) {
      console.error("Error fetching leases:", error);
      return new Response(
        JSON.stringify({ error: String(error) }),
        {
          status: 500,
          headers: { "Content-Type": "application/json" },
        },
      );
    }
  },
});