import { FastifyInstance } from "fastify";

export default async function adminRoutes(server: FastifyInstance) {
    server.post("/admin/add-user-to-tenant", async (req, reply) => {
        const body = req.body as {
            user_id: string;
            tenant_id: string;
            role?: string;
            mode?: "single" | "multi";
        };

        if (!body.user_id || !body.tenant_id) {
            return reply.code(400).send({ error: "user_id and tenant_id required" });
        }

        // Default: "multi"
        const mode = body.mode ?? "multi";

        if (mode === "single") {
            // Erst alle alten Verknüpfungen löschen
            await server.supabase
                .from("auth_tenant_users")
                .delete()
                .eq("user_id", body.user_id);
        }

        const { error } = await server.supabase
        .from("auth_tenant_users")
        .insert({
            tenant_id: body.tenant_id,
            user_id: body.user_id,
            role: body.role ?? "member",
        });

        if (error) {
            return reply.code(400).send({ error: error.message });
        }

        // Neuen Eintrag setzen


        return { success: true, mode };
    });

    /**
     * Alle Tenants eines Users abfragen
     */
    server.get("/admin/user-tenants/:user_id", async (req, reply) => {
        const { user_id } = req.params as { user_id: string };

        if (!user_id) {
            return reply.code(400).send({ error: "user_id required" });
        }

        const {data:user, error: userError} = await server.supabase.from("auth_users").select("*,tenants(*)").eq("id", user_id).single();

        console.log(userError)
        console.log(user)

        if(!user) {
            return reply.code(400).send({ error: "faulty user_id presented" });
        } else {
            return { user_id, tenants: user.tenants };
        }

    });

    /**
     * Alle User eines Tenants abfragen
     * TODO: Aktuell nur Multi Tenant
     */
    /*server.get("/admin/tenant-users/:tenant_id", async (req, reply) => {
        const { tenant_id } = req.params as { tenant_id: string };

        if (!tenant_id) {
            return reply.code(400).send({ error: "tenant_id required" });
        }

        const { data, error } = await server.supabase
            .from("auth_tenant_users")
            .select(`
        user_id,
        role,
        users ( id, email, created_at )
      `)
            .eq("tenant_id", tenant_id);

        if (error) {
            return reply.code(400).send({ error: error.message });
        }

        return { tenant_id, users: data };
    });*/
}