import { prisma } from "~/db.server";
import type {User} from "@prisma/client";
import { AccessTokenResponse, DiscordUser } from "~/discord/index";
export type {User, Border} from "@prisma/client";

export async function getUserByDiscordId(discord_id: User["discord_id"]) {
  return prisma.user.findUnique({ where: { discord_id: discord_id || undefined }});
}

export async function getUserById(id: User["id"]) {
  return prisma.user.findUnique({ where: { id } });
}

/// SHOULD ONLY BE USED WITH A CORRESPONDING OAUTH TOKEN
export async function createUser(discord_id: User["discord_id"]) {

  return prisma.user.create({
    data: {
      discord_id
    },
  });
}

export async function createDiscordLogin(discord_id: DiscordUser["id"], token_response: AccessTokenResponse) {
  return prisma.discordUser.create({
    data: {
      discord_id,
      access_token: token_response.access_token,
      refresh_token: token_response.refresh_token,
      expires: new Date(token_response.expires)
    }
  })
}

export type SessionInformation = {
  bearer_token: string,
  refresh_token: string
};

export async function discordIdentify(bearer_token: string, refresh_token: string): Promise<DiscordUser | SessionInformation | undefined> {
  let user_info = await (
    await fetch("https://discord.com/api/users/@me", {
     headers: {
       Authorization: `Bearer ${bearer_token}`
      }
    })
  ).json();

  if (!user_info["id"]) {
    const form_data = new FormData();
    form_data.append("client_id", process.env.DISCORD_CLIENT_ID || "");
    form_data.append("client_secret", process.env.DISCORD_CLIENT_SECRET || "");
    form_data.append("grant_type", "refresh_token");
    form_data.append("refresh_token", refresh_token);
    let refresh_info = await (await fetch("https://discord.com/api/oauth2/token", {
      method: "POST",
      body: form_data
    })).json();

    return refresh_info;
  }

  return user_info;
}