langgraph-api 0.1.1

use std::error;
use std::fmt;
{{#withAWSV4Signature}}
use aws_sigv4;
{{/withAWSV4Signature}}

#[derive(Debug, Clone)]
pub struct ResponseContent<T> {
    pub status: reqwest::StatusCode,
    pub content: String,
    pub entity: Option<T>,
}

#[derive(Debug)]
pub enum Error<T> {
    Reqwest(reqwest::Error),
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    ReqwestMiddleware(reqwest_middleware::Error),
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    Serde(serde_json::Error),
    Io(std::io::Error),
    ResponseError(ResponseContent<T>),
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    AWSV4SignatureError(aws_sigv4::http_request::Error),
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    {{#supportAsync}}
    {{#supportTokenSource}}
    TokenSource(Box<dyn std::error::Error + Send + Sync>),
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    {{/supportAsync}}
}

impl <T> fmt::Display for Error<T> {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let (module, e) = match self {
            Error::Reqwest(e) => ("reqwest", e.to_string()),
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            Error::ReqwestMiddleware(e) => ("reqwest-middleware", e.to_string()),
            {{/supportMiddleware}}
            Error::Serde(e) => ("serde", e.to_string()),
            Error::Io(e) => ("IO", e.to_string()),
            Error::ResponseError(e) => ("response", format!("status code {}", e.status)),
            {{#withAWSV4Signature}}
            Error::AWSV4SignatureError(e) => ("aws v4 signature", e.to_string()),
            {{/withAWSV4Signature}}
            {{#supportAsync}}
            {{#supportTokenSource}}
            Error::TokenSource(e) => ("token source failure", e.to_string()),
            {{/supportTokenSource}}
            {{/supportAsync}}
        };
        write!(f, "error in {}: {}", module, e)
    }
}

impl <T: fmt::Debug> error::Error for Error<T> {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
        Some(match self {
            Error::Reqwest(e) => e,
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            Error::ReqwestMiddleware(e) => e,
            {{/supportMiddleware}}
            Error::Serde(e) => e,
            Error::Io(e) => e,
            Error::ResponseError(_) => return None,
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            Error::AWSV4SignatureError(_) => return None,
            {{/withAWSV4Signature}}
            {{#supportAsync}}
            {{#supportTokenSource}}
            Error::TokenSource(e) => &**e,
            {{/supportTokenSource}}
            {{/supportAsync}}
        })
    }
}

impl <T> From<reqwest::Error> for Error<T> {
    fn from(e: reqwest::Error) -> Self {
        Error::Reqwest(e)
    }
}

{{#supportMiddleware}}
impl<T> From<reqwest_middleware::Error> for Error<T> {
    fn from(e: reqwest_middleware::Error) -> Self {
        Error::ReqwestMiddleware(e)
    }
}

{{/supportMiddleware}}
impl <T> From<serde_json::Error> for Error<T> {
    fn from(e: serde_json::Error) -> Self {
        Error::Serde(e)
    }
}

impl <T> From<std::io::Error> for Error<T> {
    fn from(e: std::io::Error) -> Self {
        Error::Io(e)
    }
}

pub fn urlencode<T: AsRef<str>>(s: T) -> String {
    ::url::form_urlencoded::byte_serialize(s.as_ref().as_bytes()).collect()
}

pub fn parse_deep_object(prefix: &str, value: &serde_json::Value) -> Vec<(String, String)> {
    if let serde_json::Value::Object(object) = value {
        let mut params = vec![];

        for (key, value) in object {
            match value {
                serde_json::Value::Object(_) => params.append(&mut parse_deep_object(
                    &format!("{}[{}]", prefix, key),
                    value,
                )),
                serde_json::Value::Array(array) => {
                    for (i, value) in array.iter().enumerate() {
                        params.append(&mut parse_deep_object(
                            &format!("{}[{}][{}]", prefix, key, i),
                            value,
                        ));
                    }
                },
                serde_json::Value::String(s) => params.push((format!("{}[{}]", prefix, key), s.clone())),
                _ => params.push((format!("{}[{}]", prefix, key), value.to_string())),
            }
        }

        return params;
    }

    unimplemented!("Only objects are supported with style=deepObject")
}

/// Maps errors from request builder functions to operation-specific error types.
/// This centralizes the error conversion logic and ensures all error variants
/// are handled consistently.
pub fn map_request_builder_error<T, U>(e: Error<T>) -> Error<U> {
    match e {
        Error::Reqwest(e) => Error::Reqwest(e),
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        Error::ReqwestMiddleware(e) => Error::ReqwestMiddleware(e),
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        Error::Serde(e) => Error::Serde(e),
        Error::Io(e) => Error::Io(e),
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        Error::AWSV4SignatureError(e) => Error::AWSV4SignatureError(e),
        {{/withAWSV4Signature}}
        {{#supportAsync}}
        {{#supportTokenSource}}
        Error::TokenSource(e) => Error::TokenSource(e),
        {{/supportTokenSource}}
        {{/supportAsync}}
        Error::ResponseError(_) => {
            unreachable!("A request builder should not produce a ResponseError")
        }
    }
}

/// Internal use only
/// A content type supported by this client.
#[allow(dead_code)]
enum ContentType {
    Json,
    Text,
    Unsupported(String)
}

impl From<&str> for ContentType {
    fn from(content_type: &str) -> Self {
        if content_type.starts_with("application") && content_type.contains("json") {
            Self::Json
        } else if content_type.starts_with("text/plain") {
            Self::Text
        } else {
            Self::Unsupported(content_type.to_string())
        }
    }
}

/// Represents an uploadable file with metadata for multipart forms.
#[derive(Debug, Clone)]
pub struct UploadFile {
    pub name: String,
    pub content_type: String,
    pub content: Vec<u8>,
}

{{#apiInfo}}
{{#apis}}
pub mod {{{classFilename}}};
{{/apis}}
{{/apiInfo}}

pub mod configuration;