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pub use deepkey_types;
pub use deepkey_types::*;

use serde_bytes::ByteArray;
use hdk::prelude::{
    *,
    holo_hash::DnaHash,
};


#[hdk_entry_helper]
pub enum KeyState {
    NotFound,
    Invalid(Option<SignedActionHashed>),
    Valid(SignedActionHashed),
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct KeyRevocationInput {
    pub prior_key_registration: ActionHash,
    pub revocation_authorization: Vec<(u8, ByteArray<64>)>,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DerivationDetails {
    pub app_index: u32,
    pub key_index: u32,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AppBindingInput {
    pub app_name: String,
    pub installed_app_id: String,
    pub dna_hashes: Vec<DnaHash>,
    #[serde(default)]
    pub metadata: deepkey_types::MetaData,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DerivationDetailsInput {
    pub app_index: u32,
    pub key_index: u32,
    #[serde(with = "serde_bytes")]
    pub derivation_seed: Vec<u8>,
    #[serde(with = "serde_bytes")]
    pub derivation_bytes: Vec<u8>,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CreateKeyInput {
    pub key_generation: KeyGeneration,
    pub app_binding: AppBindingInput,
    pub derivation_details: Option<DerivationDetailsInput>,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct UpdateKeyInput {
    pub key_revocation: KeyRevocation,
    pub key_generation: KeyGeneration,
    pub derivation_details: Option<DerivationDetailsInput>,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RevokeKeyInput {
    pub key_revocation: KeyRevocation,
}

impl TryFrom<KeyRevocationInput> for KeyRevocation {
    type Error = WasmError;

    fn try_from(input: KeyRevocationInput) -> ExternResult<Self> {
        Ok(Self {
            prior_key_registration: input.prior_key_registration,
            revocation_authorization: input.revocation_authorization.into_iter()
                .map( |(index, signature)| (index, Signature::from( signature.into_array() )) )
                .collect(),
        })
    }
}


#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct AuthoritySpecInput {
    pub sigs_required: u8,
    pub authorized_signers: Vec<ByteArray<32>>,
}

impl From<AuthoritySpecInput> for AuthoritySpec {
    fn from(input: AuthoritySpecInput) -> Self {
        Self {
            sigs_required: input.sigs_required,
            authorized_signers: input.authorized_signers.iter()
                .map(|key| key.into_array() )
                .collect(),
        }
    }
}


#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct UpdateChangeRuleInput {
    pub authority_spec: AuthoritySpecInput,
    pub authorizations: Option<Vec<Authorization>>,
}