import { Message } from 'eris';
import { Client } from '..';
import { Command } from '../class';

export default class Pull extends Command {
  constructor(client: Client) {
    super(client);
    this.name = 'pull';
    this.description = 'Fetches the latest commit from Gitlab';
    this.aliases = ['update'];
    this.enabled = true;
    this.permissions = { users: ['253600545972027394', '278620217221971968'] };
  }

  public async run(message: Message) {
    try {
      const updateMessage = await message.channel.createMessage(`${this.client.stores.emojis.loading} ***Fetching latest commit...***`);
      let pull: string;

      try {
        pull = await this.client.util.exec('git pull');
      } catch (error) {
        return updateMessage.edit(`${this.client.stores.emojis.error} ***Could not fetch latest commit***\n\`\`\`sh\n${error.message}\n\`\`\``);
      }
      if (pull.includes('Already up to date')) return updateMessage.edit(`${this.client.stores.emojis.success} ***No updates available***`);
      if (!pull.includes('origin/master')) return updateMessage.edit(`${this.client.stores.emojis.error} ***Unexpected output:***\n\`\`\`sh\n${pull}\n\`\`\``);

      const passedPull = await updateMessage.edit(`${this.client.stores.emojis.success} ***Pulled latest commit***\n${this.client.stores.emojis.loading} ***Rebuilding files...***`);
      try {
        await this.client.util.exec('cd ../ && tsc -p ./tsconfig.json');
      } catch (error) {
        const updatedMessage = passedPull.content.replace(`${this.client.stores.emojis.loading} ***Rebuilding files...***`, `${this.client.stores.emojis.error} ***Failed to rebuild files***`)
          .replace(/```$/, `${error.message}\n\`\`\``);
        return updateMessage.edit(updatedMessage);
      }

      const finalMessage = passedPull.content.replace(`${this.client.stores.emojis.loading} ***Rebuilding files...***`, `${this.client.stores.emojis.success} ***Files rebuilt***`);

      return updateMessage.edit(finalMessage);
    } catch (error) {
      return this.client.util.handleError(error, message, this);
    }
  }
}