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#[derive(serde::Serialize, serde::Deserialize, Debug)]
pub struct RpcQueryRequest {
    #[serde(flatten)]
    pub block_reference: near_primitives::types::BlockReference,
    #[serde(flatten)]
    pub request: near_primitives::views::QueryRequest,
}

#[derive(thiserror::Error, Debug, serde::Serialize, serde::Deserialize)]
#[serde(tag = "name", content = "info", rename_all = "SCREAMING_SNAKE_CASE")]
pub enum RpcQueryError {
    #[error("There are no fully synchronized blocks on the node yet")]
    NoSyncedBlocks,
    #[error("The node does not track the shard ID {requested_shard_id}")]
    UnavailableShard { requested_shard_id: near_primitives::types::ShardId },
    #[error(
        "The data for block #{block_height} is garbage collected on this node, use an archival node to fetch historical data"
    )]
    GarbageCollectedBlock {
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("Block either has never been observed on the node or has been garbage collected: {block_reference:?}")]
    UnknownBlock { block_reference: near_primitives::types::BlockReference },
    #[error("Account ID {requested_account_id} is invalid")]
    InvalidAccount {
        requested_account_id: near_primitives::types::AccountId,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("account {requested_account_id} does not exist while viewing")]
    UnknownAccount {
        requested_account_id: near_primitives::types::AccountId,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error(
        "Contract code for contract ID #{contract_account_id} has never been observed on the node"
    )]
    NoContractCode {
        contract_account_id: near_primitives::types::AccountId,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("State of contract {contract_account_id} is too large to be viewed")]
    TooLargeContractState {
        contract_account_id: near_primitives::types::AccountId,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("Access key for public key {public_key} has never been observed on the node")]
    UnknownAccessKey {
        public_key: near_crypto::PublicKey,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("Function call returned an error: {vm_error}")]
    ContractExecutionError {
        vm_error: String,
        block_height: near_primitives::types::BlockHeight,
        block_hash: near_primitives::hash::CryptoHash,
    },
    #[error("The node reached its limits. Try again later. More details: {error_message}")]
    InternalError { error_message: String },
}

#[derive(serde::Serialize, serde::Deserialize, Debug)]
pub struct RpcQueryResponse {
    #[serde(flatten)]
    pub kind: QueryResponseKind,
    pub block_height: near_primitives::types::BlockHeight,
    pub block_hash: near_primitives::hash::CryptoHash,
}

#[derive(serde::Serialize, serde::Deserialize, Debug)]
#[serde(untagged)]
pub enum QueryResponseKind {
    ViewAccount(near_primitives::views::AccountView),
    ViewCode(near_primitives::views::ContractCodeView),
    ViewState(near_primitives::views::ViewStateResult),
    CallResult(near_primitives::views::CallResult),
    AccessKey(near_primitives::views::AccessKeyView),
    AccessKeyList(near_primitives::views::AccessKeyList),
}

impl From<RpcQueryError> for crate::errors::RpcError {
    fn from(error: RpcQueryError) -> Self {
        let error_data = Some(serde_json::Value::String(error.to_string()));
        let error_data_value = match serde_json::to_value(error) {
            Ok(value) => value,
            Err(err) => {
                return Self::new_internal_error(
                    None,
                    format!("Failed to serialize RpcQueryError: {:?}", err),
                )
            }
        };
        Self::new_internal_or_handler_error(error_data, error_data_value)
    }
}