import { FreshContext, Handlers } from "$fresh/server.ts";
import { db } from "$root/databases/db.ts";
import { promotions } from "$root/databases/schema.ts";
import { AuthenticatedState, isEmployee } from "$root/defaults/interfaces.ts";

export const handler: Handlers<null, AuthenticatedState> = {
  // #13 GET /promotions
  async GET(
    _request: Request,
    context: FreshContext<AuthenticatedState>,
  ): Promise<Response> {
    if (!isEmployee(context.state.session)) {
      return new Response(JSON.stringify([]), {
        headers: { "content-type": "application/json" },
      });
    }

    const rows = await db.select().from(promotions);
    return new Response(JSON.stringify(rows), {
      headers: { "content-type": "application/json" },
    });
  },

  // #14 POST /promotions
  async POST(
    request: Request,
    context: FreshContext<AuthenticatedState>,
  ): Promise<Response> {
    if (!isEmployee(context.state.session)) {
      return new Response(null, { status: 403 });
    }

    const body: { idPromo: string; annee: string } = await request.json();

    if (!body.idPromo || !body.annee) {
      return new Response(null, { status: 400 });
    }

    const [created] = await db
      .insert(promotions)
      .values({ id: body.idPromo, annee: body.annee })
      .returning();

    return new Response(JSON.stringify(created), {
      status: 201,
      headers: { "content-type": "application/json" },
    });
  },
};