use serde_json::Value;
use thiserror::Error;

#[derive(Debug, Error)]
pub enum GraphqlAdapterError {
    #[error("invalid graphql endpoint: {url}")]
    InvalidEndpoint { url: String },
    #[error("invalid header name {header}")]
    InvalidHeaderName { header: String },
    #[error("invalid header value for {header}")]
    InvalidHeaderValue { header: String },
    #[error("graphql variables must be a JSON object")]
    InvalidVariablesShape,
    #[error("invalid graphql response path: {path}")]
    InvalidResponsePath { path: String },
    #[error("graphql response path did not match any value: {path}")]
    ResponsePathNotFound { path: String },
    #[error("request failed")]
    Transport(#[from] reqwest::Error),
    #[error("graphql endpoint returned status {status}")]
    UnexpectedStatus { status: u16, body: Value },
    #[error("graphql operation returned errors")]
    OperationErrors { errors: Value, data: Option<Value> },
}