import { createClient } from "@convex-dev/better-auth";
import { convex } from "@convex-dev/better-auth/plugins";
import type { GenericCtx } from "@convex-dev/better-auth";
import { betterAuth, type BetterAuthOptions } from "better-auth/minimal";
import type { FunctionReference } from "convex/server";

import { components } from "../_generated/api";
import type { DataModel } from "../_generated/dataModel";
import authConfig from "../auth.config";
import { getBetterAuthServerConfig } from "./env";
import schema from "./schema";

type BetterAuthComponentApi = {
  adapter: {
    create: FunctionReference<"mutation", "internal">;
    findOne: FunctionReference<"query", "internal">;
    findMany: FunctionReference<"query", "internal">;
    updateOne: FunctionReference<"mutation", "internal">;
    updateMany: FunctionReference<"mutation", "internal">;
    deleteOne: FunctionReference<"mutation", "internal">;
    deleteMany: FunctionReference<"mutation", "internal">;
  };
};

const componentsWithAuth = components as {
  betterAuth: BetterAuthComponentApi;
};

export const authComponent = createClient<DataModel, typeof schema>(
  componentsWithAuth.betterAuth,
  {
    local: { schema },
    verbose: false,
  },
);

export const createAuthOptions = (
  ctx: GenericCtx<DataModel>,
  options: { allowMissingSecret?: boolean } = {},
) => {
  const { appUrl, secret } = getBetterAuthServerConfig(process.env, options);

  return {
    appName: "WebDev Pipeline",
    baseURL: appUrl,
    secret,
    database: authComponent.adapter(ctx),
    emailAndPassword: {
      enabled: true,
      disableSignUp: true,
      requireEmailVerification: false,
    },
    plugins: [convex({ authConfig })],
  } satisfies BetterAuthOptions;
};

export const createAuth = (ctx: GenericCtx<DataModel>) => {
  return betterAuth(createAuthOptions(ctx));
};