import type { ActionArgs, LoaderArgs } from "@remix-run/node";
import type { z } from "zod";
import { ADMIN_ID } from "~/constants";
import { NZAP_TEST_ID } from "~/db/seed/constants";
import { db, sql } from "~/db/sql";
import { SESSION_KEY } from "~/features/auth/core/authenticator.server";
import { authSessionStorage } from "~/features/auth/core/session.server";

export function arrayContainsSameItems<T>(arr1: T[], arr2: T[]) {
  return (
    arr1.length === arr2.length && arr1.every((item) => arr2.includes(item))
  );
}

export function wrappedAction<T extends z.ZodTypeAny>({
  action,
  params = {},
}: {
  // TODO: strongly type this
  action: (args: ActionArgs) => any;
  params?: ActionArgs["params"];
}) {
  return async (
    args: z.infer<T>,
    { user }: { user?: "admin" | "regular" } = {},
  ) => {
    const body = new URLSearchParams(args);
    const request = new Request("http://app.com/path", {
      method: "POST",
      body,
      headers: await authHeader(user),
    });

    try {
      const response = await action({
        request,
        context: {},
        params,
      });

      return response;
    } catch (thrown) {
      if (thrown instanceof Response) {
        // it was a redirect
        if (thrown.status === 302) return thrown;

        throw new Error(`Response thrown with status code: ${thrown.status}`);
      }

      throw thrown;
    }
  };
}

export function wrappedLoader<T>({
  loader,
}: {
  // TODO: strongly type this
  loader: (args: LoaderArgs) => any;
}) {
  return async ({ user }: { user?: "admin" | "regular" } = {}) => {
    const request = new Request("http://app.com/path", {
      method: "GET",
      headers: await authHeader(user),
    });

    try {
      const data = await loader({
        request,
        params: {},
        context: {},
      });

      return data as T;
    } catch (thrown) {
      if (thrown instanceof Response) {
        throw new Error(`Response thrown with status code: ${thrown.status}`);
      }

      throw thrown;
    }
  };
}

async function authHeader(user?: "admin" | "regular"): Promise<HeadersInit> {
  if (!user) return [];

  const session = await authSessionStorage.getSession();

  session.set(SESSION_KEY, user === "admin" ? ADMIN_ID : NZAP_TEST_ID);

  return [["Cookie", await authSessionStorage.commitSession(session)]];
}

export const database = {
  reset: () => {
    const tables = sql
      .prepare(
        "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' AND name NOT LIKE 'migrations';",
      )
      .all() as { name: string }[];

    sql.prepare("PRAGMA foreign_keys = OFF").run();
    for (const table of tables) {
      sql.prepare(`DELETE FROM "${table.name}"`).run();
    }
    sql.prepare("PRAGMA foreign_keys = ON").run();
  },
  insertUsers: (count: number) =>
    db
      .insertInto("User")
      .values(
        Array.from({ length: count }).map((_, i) => ({
          id: i + 1,
          discordName: `user${i + 1}`,
          discordDiscriminator: "0",
          discordId: String(i),
        })),
      )
      .execute(),
};