mod error;
mod success;

pub use error::ErrorResponse;
use serde_json::json;
pub use success::SuccessResponse;

use std::collections::BTreeMap;

use utoipa::{
    IntoResponses, ToSchema,
    openapi::{
        ContentBuilder, RefOr, ResponseBuilder, ResponsesBuilder, example::ExampleBuilder,
        response::Response, schema::RefBuilder,
    },
};

pub type ApiResult<T> = Result<SuccessResponse<T>, ErrorResponse>;

pub struct GlobalResponses;

impl IntoResponses for GlobalResponses {
    fn responses() -> BTreeMap<String, RefOr<Response>> {
        ResponsesBuilder::new()
            .response(
                "400",
                ResponseBuilder::new()
                    .content(
                        "application/json",
                        ContentBuilder::new()
                            .schema(Some(
                                RefBuilder::new()
                                    .ref_location_from_schema_name(ErrorResponse::name()),
                            ))
                            .examples_from_iter([(
                                "Fail",
                                ExampleBuilder::new().value(Some(json!(ErrorResponse::fail(
                                    "SomeFailKind",
                                    "some fail message"
                                )))),
                            )])
                            .build(),
                    )
                    .description("General response for invalid request"),
            )
            .response(
                "500",
                ResponseBuilder::new()
                    .content(
                        "application/json",
                        ContentBuilder::new()
                            .schema(Some(
                                RefBuilder::new()
                                    .ref_location_from_schema_name(ErrorResponse::name()),
                            ))
                            .examples_from_iter([(
                                "Error",
                                ExampleBuilder::new().value(Some(json!(ErrorResponse::error(
                                    "SomeErrorKind",
                                    "some error message"
                                )))),
                            )])
                            .build(),
                    )
                    .description("General response when a server error occurs"),
            )
            .build()
            .into()
    }
}