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use bc_components::{SealedMessage, Digest, ARID, Salt, URI, UUID, PublicKeyBase, PrivateKeyBase};
#[cfg(feature = "encrypt")]
use bc_components::EncryptedMessage;
#[cfg(feature = "compress")]
use bc_components::Compressed;
use bytes::Bytes;
use dcbor::prelude::*;

use crate::{Envelope, Assertion};

/// A type that can be converted into an envelope.
pub trait EnvelopeEncodable: Into<Envelope> {
    fn envelope(self) -> Envelope;
}

impl EnvelopeEncodable for Envelope {
    fn envelope(self) -> Envelope {
        self
    }
}

impl EnvelopeEncodable for Assertion {
    fn envelope(self) -> Envelope {
        Envelope::new_with_assertion(self)
    }
}

impl From<Assertion> for Envelope {
    fn from(assertion: Assertion) -> Self {
        assertion.envelope()
    }
}

#[cfg(feature = "encrypt")]
impl EnvelopeEncodable for EncryptedMessage {
    fn envelope(self) -> Envelope {
        Envelope::new_with_encrypted(self).unwrap()
    }
}

#[cfg(feature = "encrypt")]
impl From<EncryptedMessage> for Envelope {
    fn from(encrypted: EncryptedMessage) -> Self {
        encrypted.envelope()
    }
}

#[cfg(feature = "compress")]
impl EnvelopeEncodable for Compressed {
    fn envelope(self) -> Envelope {
        Envelope::new_with_compressed(self).unwrap()
    }
}

#[cfg(feature = "compress")]
impl From<Compressed> for Envelope {
    fn from(compressed: Compressed) -> Self {
        compressed.envelope()
    }
}

impl EnvelopeEncodable for CBOR {
    fn envelope(self) -> Envelope {
        Envelope::new_leaf(self)
    }
}

impl From<CBOR> for Envelope {
    fn from(cbor: CBOR) -> Self {
        cbor.envelope()
    }
}

impl EnvelopeEncodable for Box<CBOR> {
    fn envelope(self) -> Envelope {
        self.as_ref().envelope()
    }
}

impl From<Box<CBOR>> for Envelope {
    fn from(cbor: Box<CBOR>) -> Self {
        cbor.envelope()
    }
}

impl EnvelopeEncodable for String {
    fn envelope(self) -> Envelope {
        self.cbor().envelope()
    }
}

impl From<String> for Envelope {
    fn from(string: String) -> Self {
        string.envelope()
    }
}

impl EnvelopeEncodable for &str {
    fn envelope(self) -> Envelope {
        self.cbor().envelope()
    }
}

impl EnvelopeEncodable for dcbor::Simple {
    fn envelope(self) -> Envelope {
        self.cbor().envelope()
    }
}

impl From<dcbor::Simple> for Envelope {
    fn from(simple: dcbor::Simple) -> Self {
        simple.envelope()
    }
}

impl From<&str> for Envelope {
    fn from(string: &str) -> Self {
        string.envelope()
    }
}

impl<const N: usize> EnvelopeEncodable for [u8; N] {
    fn envelope(self) -> Envelope {
        self.cbor().envelope()
    }
}

impl<const N: usize> From<[u8; N]> for Envelope {
    fn from(bytes: [u8; N]) -> Self {
        bytes.envelope()
    }
}

impl EnvelopeEncodable for &[u8] {
    fn envelope(self) -> Envelope {
        self.to_vec().cbor().envelope()
    }
}

impl From<&[u8]> for Envelope {
    fn from(bytes: &[u8]) -> Self {
        bytes.envelope()
    }
}

impl<T> EnvelopeEncodable for &T where T: EnvelopeEncodable + Clone {
    fn envelope(self) -> Envelope {
        self.clone().envelope()
    }
}

impl<T> From<&T> for Envelope where T: EnvelopeEncodable + Clone {
    fn from(value: &T) -> Self {
        value.envelope()
    }
}

/// A macro that implements EnvelopeEncodable for a type and its reference.
#[macro_export]
macro_rules! impl_envelope_encodable {
    ($type:ty) => {
        impl $crate::EnvelopeEncodable for $type {
            fn envelope(self) -> $crate::Envelope {
                <Self as dcbor::CBOREncodable>::cbor(&self).envelope()
            }
        }

        impl From<$type> for $crate::Envelope {
            fn from(value: $type) -> Self {
                value.envelope()
            }
        }
    };
}

impl_envelope_encodable!(u8);
impl_envelope_encodable!(u16);
impl_envelope_encodable!(u32);
impl_envelope_encodable!(u64);
impl_envelope_encodable!(usize);
impl_envelope_encodable!(i8);
impl_envelope_encodable!(i16);
impl_envelope_encodable!(i32);
impl_envelope_encodable!(i64);
impl_envelope_encodable!(bool);
impl_envelope_encodable!(f64);
impl_envelope_encodable!(f32);

impl_envelope_encodable!(Bytes);

impl_envelope_encodable!(dcbor::Date);
impl_envelope_encodable!(PublicKeyBase);
impl_envelope_encodable!(PrivateKeyBase);
impl_envelope_encodable!(SealedMessage);
impl_envelope_encodable!(Digest);
impl_envelope_encodable!(ARID);
impl_envelope_encodable!(Salt);
impl_envelope_encodable!(URI);
impl_envelope_encodable!(UUID);