yttrium 1.0.0

#![allow(clippy::needless_return)]

use yttrium_key_base as key_base;
use serenity::async_trait;
use key_base::{
	databases::{
		DatabaseManager,
		Database,
	},
	environment::Environment,
};

pub fn create<Manager: 'static + DatabaseManager<DB>, DB: 'static + Database>() -> Box<dyn key_base::Key<Manager, DB> + Send + Sync> {
	return Box::new(std_text {
		info: create_key_info(),
	});
}

/*
Parameters:
Required, operation to perform. Possible values: equals, contains, starts_with, ends_with, regex, glob, extract
Required, text to check
Required, text to check against. Regex if parameter 0 is `regex`, glob if `glob`, etc.
*/
fn create_key_info() -> key_base::KeyInfo {
	return key_base::KeyInfo {
		name: String::from("text"),
		parameters_required: vec![3],
	};
}

#[allow(non_camel_case_types)]
struct std_text {
	pub info: key_base::KeyInfo,
}

unsafe impl Send for std_text {}
unsafe impl Sync for std_text {}

#[async_trait]
impl<Manager: DatabaseManager<DB>, DB: Database> key_base::Key<Manager, DB> for std_text {
	fn get_key_info(&self) -> &key_base::KeyInfo {
		return &self.info;
	}

	async fn run_key(&self, parameter: &[String], _environment: &mut Environment<'_, Manager, DB>) -> Result<String, String> {
		let result;
		match parameter[0].as_str() {
			"equals" => {
				result = parameter[1] == parameter[2];
			}
			"contains" => {
				result = parameter[1].contains(&parameter[2]);
			}
			"starts_with" => {
				result = parameter[1].starts_with(&parameter[2]);
			}
			"ends_with" => {
				result = parameter[1].ends_with(&parameter[2]);
			}
			"regex" => {
				let matcher;
				match regex::Regex::new(&parameter[2]) {
					Ok(value) => {
						matcher = value;
					}
					Err(error) => {
						return Err(format!("Invalid regex in `text`: `{}`", error));
					}
				}
				result = matcher.is_match(&parameter[1]);
			}
			"extract" => {
				let matcher;
				match regex::Regex::new(&parameter[2]) {
					Ok(value) => {
						matcher = value;
					}
					Err(error) => {
						return Err(format!("Invalid regex in `text`: `{}`", error));
					}
				}
				match matcher.captures(&parameter[1]) {
					Some(result) => {
						return Ok(String::from(&result[1]));
					}
					None => {
						return Ok(String::new());
					}
				}
			}
			"glob" => {
				let matcher;
				match glob::Pattern::new(&parameter[2]) {
					Ok(value) => {
						matcher = value;
					}
					Err(error) => {
						return Err(format!("Invalid glob in `text`: `{}`", error));
					}
				}
				result = matcher.matches(&parameter[1]);
			}
			_ => {
				result = false;
			}
		}
		return Ok(String::from(if result { "1" } else { "0" }));
	}
}