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// https://github.com/libsql/sqld/blob/main/docs/HTTP_V2_SPEC.md

use super::*;
use serde::{Deserialize, Serialize};

#[derive(Serialize, Debug)]
pub struct ClientMsg {
    pub baton: Option<String>,
    pub requests: Vec<StreamRequest>,
}

#[derive(Deserialize, Debug)]
pub struct ServerMsg {
    pub baton: Option<String>,
    pub base_url: Option<String>,
    pub results: Vec<Response>,
}

#[derive(Serialize, Debug)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum StreamRequest {
    Close,
    Execute(StreamExecuteReq),
    Batch(StreamBatchReq),
    // TODO: implement
    //    Sequence(Sequence),
    //    Describe(Describe),
    //    StoreSql(StoreSql),
    //    CloseSql(CloseSql),
}

#[derive(Serialize, Debug)]
pub struct StreamExecuteReq {
    pub stmt: Stmt,
}

#[derive(Serialize, Debug)]
pub struct StreamBatchReq {
    pub batch: Batch,
}

#[derive(Deserialize, Debug)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum Response {
    Ok(StreamResponseOk),
    Error(StreamResponseError),
}

#[derive(Deserialize, Debug)]
pub struct StreamResponseOk {
    pub response: StreamResponse,
}

#[derive(Deserialize, Debug)]
pub struct StreamResponseError {
    pub error: Error,
}

#[derive(Deserialize, Debug)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum StreamResponse {
    Close,
    Execute(StreamExecuteResult),
    Batch(StreamBatchResult),
    // TODO: implement
    //    Sequence(SequenceResult),
    //    Describe(DescribeResult),
    //    StoreSql(StoreSqlResult),
    //    CloseSql(CloseSqlResult),
}

#[derive(Deserialize, Debug)]
pub struct StreamExecuteResult {
    pub result: StmtResult,
}

#[derive(Deserialize, Debug)]
pub struct StreamBatchResult {
    pub result: BatchResult,
}