const Dysnomia = require("@projectdysnomia/dysnomia");
const logger = require("./lib/logger.js");
const fs = require("node:fs");
const {resolve} = require("node:path");
const sqlite3 = require("sqlite3");
const {instead, before} = require("spitroast");

const config = require("../config.json");
const apikeys = require("../apikeys.json");

const events = require("./lib/events.js");
const timer = require("./lib/timer.js");
const Command = require("./lib/command.js");
const InteractionCommand = require("./lib/interactionCommand.js");

const bot = new Dysnomia.Client(config.token, {
  defaultImageFormat: "png",
  defaultImageSize: 1024,
  gateway: {
    intents: Object.values(Dysnomia.Constants.Intents),
  },
  restMode: true,
});

const commands = new Dysnomia.Collection();
const interactionCommands = new Dysnomia.Collection();

const database = new sqlite3.Database(resolve(__dirname, "..", "database.db"));

function registerCommand(cmdObj) {
  if (cmdObj instanceof Command) {
    commands.set(cmdObj.name, cmdObj);
    const aliases = cmdObj.getAliases();
    logger.info(
      "hf:cmd",
      `Registered command '${cmdObj.name}'${
        aliases.length > 0 ? ` (aliases: ${aliases.join(", ")})` : ""
      }`
    );
  } else if (cmdObj instanceof InteractionCommand) {
    interactionCommands.set(cmdObj.name, cmdObj);
    logger.info("hf:cmd", `Registered interaction command '${cmdObj.name}'`);
  }
}

global.hf = {
  bot,
  config,
  apikeys,
  commands,
  interactionCommands,
  registerCommand,
  events,
  timer,
  database,
};

const {formatUsername} = require("./lib/utils.js");
const CommandDispatcher = require("./lib/commandDispatcher.js");
const {InteractionDispatcher} = require("./lib/interactionDispatcher.js");

for (const file of fs.readdirSync(resolve(__dirname, "modules"))) {
  require(resolve(__dirname, "modules", file));
  logger.info("hf:modules", `Loaded module: '${file}'`);
}

bot.on("messageCreate", async (msg) => {
  try {
    // fix DMs cause of gateway v8 changes
    if (
      !(msg.channel instanceof Dysnomia.Channel) &&
      msg.author.id != bot.user.id &&
      !msg.guildID
    ) {
      const newChannel = await bot.getDMChannel(msg.author.id);
      if (msg.channel.id == newChannel.id) msg.channel = newChannel;
    }

    if (!(msg.channel instanceof Dysnomia.Channel)) return;

    await CommandDispatcher(msg);
  } catch (err) {
    const stack = (err?.stack ?? err.message).split("\n");
    const error = stack.shift();
    logger.error(
      "hf:main",
      `Failed to dispatch command: ${error}\n\t${stack.join("\n\t")}`
    );
  }
});
bot.on("messageUpdate", async (msg, oldMsg) => {
  try {
    const oneDay = Date.now() - 86400000;
    if (
      msg.timestamp > oneDay &&
      !msg.hasRan &&
      oldMsg &&
      oldMsg.content !== msg.content
    ) {
      await CommandDispatcher(msg);
    }
  } catch (err) {
    const stack = (err?.stack ?? err.message).split("\n");
    const error = stack.shift();
    logger.error(
      "hf:main",
      `Failed to dispatch command update: ${error}\n\t${stack.join("\n\t")}`
    );
  }
});
bot.on("messageReactionAdd", async (msg, reaction, reactor) => {
  if (msg?.author?.id !== bot.user.id) return;
  if (reaction.name !== "\u274c") return;

  try {
    let channel = msg.channel;
    if (!(channel instanceof Dysnomia.Channel)) {
      const newChannel = hf.bot.getChannel(channel.id);
      if (newChannel) {
        channel = newChannel;
      } else {
        channel = await hf.bot.getRESTChannel(channel.id);
      }
    }

    if (!msg.messageReference) {
      msg = await channel.getMessage(msg.id);
    }

    if (!msg.messageReference) return;

    const ref = await channel.getMessage(msg.messageReference.messageID);
    if (!ref) return;
    if (ref.author.id !== reactor.id) return;

    await msg.delete("Command sender requested output deletion.");
  } catch (err) {
    const stack = (err?.stack ?? err.message).split("\n");
    const error = stack.shift();
    logger.error(
      "hf:main",
      `Failed to self-delete message: ${error}\n\t${stack.join("\n\t")}`
    );
  }
});
bot.on("interactionCreate", async (interaction) => {
  try {
    await InteractionDispatcher(interaction);
  } catch (err) {
    const stack = (err?.stack ?? err.message).split("\n");
    const error = stack.shift();
    logger.error(
      "hf:main",
      `Failed to dispatch interaction command: ${error}\n\t${stack.join(
        "\n\t"
      )}`
    );
  }
});

bot.once("ready", async () => {
  logger.info("hf:main", "Connected to Discord.");
  logger.info(
    "hf:main",
    `Logged in as: ${formatUsername(bot.user)} (${bot.user.id})`
  );

  const channel = await bot.getDMChannel(config.owner_id);
  if (channel) {
    channel.createMessage({
      content: "<:ms_tick:503341995348066313> Loaded HiddenPhox.",
    });
  }
  bot.on("ready", () => {
    logger.info("hf:main", "Reconnected to Discord.");
  });

  const commands = [];
  for (const command of interactionCommands.values()) {
    const options = [];
    for (const option of Object.values(command.options)) {
      const newOption = Object.assign({}, option);
      delete newOption.default;
      options.push(newOption);
    }

    // stupid hack
    const send = options.shift();
    options.push(send);

    const formattedCommand = {
      name: command.name,
      type: command.type,
      description: command.helpText,
      options: options,
      integration_types: [0],
      contexts: [0],
    };

    if (!command.guildOnly) {
      formattedCommand.integration_types.push(1);
      formattedCommand.contexts.push(1, 2);
    }

    if (command.type === Dysnomia.Constants.ApplicationCommandTypes.CHAT_INPUT)
      formattedCommand.name = formattedCommand.name.toLowerCase();

    if (command.permissions !== undefined) {
      formattedCommand.default_member_permissions =
        command.permissions instanceof Dysnomia.Permission
          ? String(command.permissions.allow)
          : String(command.permissions);
    }

    commands.push(formattedCommand);
  }

  await bot.requestHandler.request(
    "PUT",
    `/applications/${bot.application.id}/commands`,
    true,
    commands
  );
});

bot.on("error", (err) => {
  logger.error("hf:main", "Catching error: " + err);
});
bot.on("warn", (err) => {
  logger.warn("hf:main", "Catching warn: " + err);
});

bot.on("shardDisconnect", (err, id) => {
  logger.verbose("hf:shard", `Disconnecting from shard ${id}: ${err}`);
});
bot.on("shardResume", (id) => {
  logger.verbose("hf:shard", "Resuming on shard " + id);
});
bot.on("shardPreReady", (id) => {
  logger.verbose("hf:shard", `Shard ${id} getting ready`);
});
bot.on("shardReady", (id) => {
  logger.verbose("hf:shard", `Shard ${id} ready`);
});
bot.on("unknown", (packet, id) => {
  logger.verbose(
    "hf:main",
    `Shard ${id} caught unknown packet: ${JSON.stringify(packet)}`
  );
});

instead("spawn", bot.shards, function (args, orig) {
  const ret = orig.apply(this, args);
  const shard = this.get(args[0]);
  if (shard) {
    before("sendWS", shard.__proto__, function ([op, _data]) {
      if (op === Dysnomia.Constants.GatewayOPCodes.IDENTIFY) {
        _data.properties.browser = "Discord Embedded";
        delete _data.properties.device;
      }
    });
  }

  return ret;
});

bot.connect();