proto-types 0.2.2

use core::fmt::Display;

use crate::{
	HttpHeader,
	rpc::{Code, HttpRequest, HttpResponse},
};

impl PartialOrd for HttpHeader {
	#[inline]
	fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
		Some(self.cmp(other))
	}
}

impl Ord for HttpHeader {
	#[inline]
	fn cmp(&self, other: &Self) -> core::cmp::Ordering {
		self.key
			.cmp(&other.key)
			.then(self.value.cmp(&other.value))
	}
}

impl HttpRequest {
	has_impl!(method);
	has_impl!(uri);

	#[inline]
	/// Returns true if the [`HttpRequest`] contains the given header.
	pub fn has_header(&self, name: &str, value: &str) -> bool {
		self.headers
			.iter()
			.any(|h| h.key == name && h.value == value)
	}
}

impl HttpResponse {
	#[inline]
	/// Returns true if the `status` matches the argument.
	pub const fn has_status(&self, status: i32) -> bool {
		self.status == status
	}

	#[inline]
	/// Returns true if the [`HttpResponse`] contains the given header.
	pub fn has_header(&self, name: &str, value: &str) -> bool {
		self.headers
			.iter()
			.any(|h| h.key == name && h.value == value)
	}

	has_impl!(reason);
}

impl Code {
	/// Checks if the code is `Ok`.
	#[must_use]
	#[inline]
	pub const fn is_200_ok(&self) -> bool {
		matches!(self, Self::Ok)
	}

	/// Checks if the code is `Cancelled`.
	#[must_use]
	#[inline]
	pub const fn is_cancelled(&self) -> bool {
		matches!(self, Self::Cancelled)
	}

	/// Checks if the code is `Unknown`.
	#[must_use]
	#[inline]
	pub const fn is_unknown(&self) -> bool {
		matches!(self, Self::Unknown)
	}

	/// Checks if the code is `InvalidArgument`.
	#[must_use]
	#[inline]
	pub const fn is_invalid_argument(&self) -> bool {
		matches!(self, Self::InvalidArgument)
	}

	/// Checks if the code is `DeadlineExceeded`.
	#[must_use]
	#[inline]
	pub const fn is_deadline_exceeded(&self) -> bool {
		matches!(self, Self::DeadlineExceeded)
	}

	/// Checks if the code is `NotFound`.
	#[must_use]
	#[inline]
	pub const fn is_not_found(&self) -> bool {
		matches!(self, Self::NotFound)
	}

	/// Checks if the code is `AlreadyExists`.
	#[must_use]
	#[inline]
	pub const fn is_already_exists(&self) -> bool {
		matches!(self, Self::AlreadyExists)
	}

	/// Checks if the code is `PermissionDenied`.
	#[must_use]
	#[inline]
	pub const fn is_permission_denied(&self) -> bool {
		matches!(self, Self::PermissionDenied)
	}

	/// Checks if the code is `Unauthenticated`.
	#[must_use]
	#[inline]
	pub const fn is_unauthenticated(&self) -> bool {
		matches!(self, Self::Unauthenticated)
	}

	/// Checks if the code is `ResourceExhausted`.
	#[must_use]
	#[inline]
	pub const fn is_resource_exhausted(&self) -> bool {
		matches!(self, Self::ResourceExhausted)
	}

	/// Checks if the code is `FailedPrecondition`.
	#[must_use]
	#[inline]
	pub const fn is_failed_precondition(&self) -> bool {
		matches!(self, Self::FailedPrecondition)
	}

	/// Checks if the code is `Aborted`.
	#[must_use]
	#[inline]
	pub const fn is_aborted(&self) -> bool {
		matches!(self, Self::Aborted)
	}

	/// Checks if the code is `OutOfRange`.
	#[must_use]
	#[inline]
	pub const fn is_out_of_range(&self) -> bool {
		matches!(self, Self::OutOfRange)
	}

	/// Checks if the code is `Unimplemented`.
	#[must_use]
	#[inline]
	pub const fn is_unimplemented(&self) -> bool {
		matches!(self, Self::Unimplemented)
	}

	/// Checks if the code is `Internal`.
	#[must_use]
	#[inline]
	pub const fn is_internal(&self) -> bool {
		matches!(self, Self::Internal)
	}

	/// Checks if the code is `Unavailable`.
	#[must_use]
	#[inline]
	pub const fn is_unavailable(&self) -> bool {
		matches!(self, Self::Unavailable)
	}

	/// Checks if the code is `DataLoss`.
	#[must_use]
	#[inline]
	pub const fn is_data_loss(&self) -> bool {
		matches!(self, Self::DataLoss)
	}

	/// Returns the name of the code variant in title case.
	#[must_use]
	#[inline]
	pub const fn as_title_case(&self) -> &'static str {
		match self {
			Self::Ok => "Ok",
			Self::Cancelled => "Cancelled",
			Self::Unknown => "Unknown",
			Self::InvalidArgument => "Invalid Argument",
			Self::DeadlineExceeded => "Deadline Exceeded",
			Self::NotFound => "Not Found",
			Self::AlreadyExists => "Already Exists",
			Self::PermissionDenied => "Permission Denied",
			Self::Unauthenticated => "Unauthenticated",
			Self::ResourceExhausted => "Resource Exhausted",
			Self::FailedPrecondition => "Failed Precondition",
			Self::Aborted => "Aborted",
			Self::OutOfRange => "Out Of Range",
			Self::Unimplemented => "Unimplemented",
			Self::Internal => "Internal",
			Self::Unavailable => "Unavailable",
			Self::DataLoss => "Data Loss",
		}
	}

	/// Returns the corresponding HTTP status code mapping.
	#[must_use]
	#[inline]
	pub const fn to_http_status(&self) -> u16 {
		match self {
			Self::Ok => 200,
			Self::Cancelled => 499,
			Self::Unknown | Self::Internal | Self::DataLoss => 500,
			Self::InvalidArgument | Self::FailedPrecondition | Self::OutOfRange => 400,
			Self::DeadlineExceeded => 504,
			Self::NotFound => 404,
			Self::AlreadyExists | Self::Aborted => 409,
			Self::PermissionDenied => 403,
			Self::Unauthenticated => 401,
			Self::ResourceExhausted => 429,
			Self::Unimplemented => 501,
			Self::Unavailable => 503,
		}
	}
}

impl Display for Code {
	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
		write!(f, "{}", self.as_title_case())
	}
}