pub mod request {
    use serde::{Deserialize, Serialize};
    use utoipa::ToSchema;

    #[derive(Debug, Deserialize, Serialize, ToSchema)]
    pub struct InstantMessageRequest {
        pub contact_ids: Vec<uuid::Uuid>,
        pub message_id: uuid::Uuid,
        pub user_id: uuid::Uuid,
    }

    impl InstantMessageRequest {
        pub fn is_valid(&self) -> bool {
            !self.contact_ids.is_empty() || !self.message_id.is_nil() || !self.user_id.is_nil()
        }
    }
}

pub mod response {
    use serde::{Deserialize, Serialize};
    use utoipa::ToSchema;

    #[derive(Debug, Default, Deserialize, Serialize, ToSchema)]
    pub struct InstantMessageResponse {
        pub message: String,
    }
}

pub mod endpoint {
    use crate::repo::contact as contact_repo;
    use crate::repo::message as message_repo;

    /// Endpoint to create Message
    #[utoipa::path(
    post,
    path = super::super::endpoints::ADD_MESSAGE,
    request_body(
        content = super::request::InstantMessageRequest,
        description = "Data needed to create a Message",
        content_type = "application/json"
        ),
    responses(
        (status = 201, description = "Message created", body = super::response::InstantMessageResponse),
        (status = 400, description = "Error", body = super::response::InstantMessageResponse),
        (status = 500, description = "Error creating Message", body = super::response::InstantMessageResponse)
    )
)]
    pub async fn send_message(
        axum::Extension(pool): axum::Extension<sqlx::PgPool>,
        axum::Json(payload): axum::Json<super::request::InstantMessageRequest>,
    ) -> (
        axum::http::StatusCode,
        axum::Json<super::response::InstantMessageResponse>,
    ) {
        let mut response = super::response::InstantMessageResponse::default();

        if payload.is_valid() {
            let mut contacts: Vec<textsender_models::contact::Contact> = Vec::new();

            for contact_id in payload.contact_ids {
                match contact_repo::get(&pool, &contact_id).await {
                    Ok(contact) => {
                        contacts.push(contact);
                    }
                    Err(err) => {
                        eprintln!("Error: {err:?}");
                        response.message = String::from("Invalid");
                        return (
                            axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                            axum::Json(response),
                        );
                    }
                }
            }

            if !contacts.is_empty() {
                match message_repo::get(&pool, &payload.message_id).await {
                    Ok(message) => {
                        let t_config = textsender_models::config::auxiliary::TwilioConfig {
                            ..Default::default()
                        };
                        let mut results: Vec<reqwest::Response> = Vec::new();

                        for contact in contacts {
                            let pp = swoosh::twilio::types::Parameters {
                                schedule: false,
                                schedule_at: None,
                            };
                            match swoosh::twilio::api::send_mssage(
                                &message, &contact, pp, &t_config,
                            )
                            .await
                            {
                                Ok(result) => {
                                    results.push(result);
                                }
                                Err(err) => {
                                    eprintln!("Error: {err:?}");
                                }
                            }
                        }

                        if results.is_empty() {
                            eprintln!("Error sending");
                            (
                                axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                                axum::Json(response),
                            )
                        } else {
                            response.message = String::from(super::super::response::SUCCESSFUL);
                            (axum::http::StatusCode::OK, axum::Json(response))
                        }
                    }
                    Err(err) => {
                        eprintln!("Error: {err:?}");
                        response.message = String::from("Request body is not valid");
                        (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
                    }
                }
            } else {
                response.message = String::from("Request body is not valid");
                (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
            }
        } else {
            response.message = String::from("Request body is not valid");
            (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
        }
    }
}