pub mod endpoints {
    pub const ROOT: &str = "/";

    /// Constant for adding Contact endpoint
    pub const ADD_CONTACT: &str = "/api/v1/contact/new";
}

pub mod response {
    pub const SUCCESSFUL: &str = "SUCCESSFUL";
}

/// Basic handler that responds with a static string
pub async fn root() -> &'static str {
    "Hello, World!"
}

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

        #[derive(Debug, Deserialize, Serialize, ToSchema)]
        pub struct AddContactRequest {
            pub phone_number: String,
            pub firstname: Option<String>,
            pub lastname: Option<String>,
            pub nickname: Option<String>,
            pub user_id: uuid::Uuid,
        }

        impl AddContactRequest {
            pub fn is_valid(&self) -> bool {
                self.phone_number.is_empty()
                    || self.firstname.is_none()
                    || self.lastname.is_none()
                    || self.user_id.is_nil()
            }
        }
    }

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

        #[derive(Debug, Default, Deserialize, Serialize, ToSchema)]
        pub struct AddContactResponse {
            pub message: String,
            // TODO: Should be this. Update code in textsender_models
            // pub data: Vec<textsender_models::contact::Contact>,
            pub data: Vec<uuid::Uuid>,
        }
    }

    pub mod endpoint {
        // use axum::{Json, response::IntoResponse};

        // use crate::repo;
        // use crate::repo::contact as contact_repo;

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

            if payload.is_valid() {
                let contact = textsender_models::contact::Contact {
                    firstname: payload.firstname,
                    lastname: payload.lastname,
                    phone_number: payload.phone_number,
                    user_id: Some(payload.user_id),
                    ..Default::default()
                };
                match crate::repo::contact::insert(&pool, &contact).await {
                    Ok(_) => (
                        axum::http::StatusCode::NOT_IMPLEMENTED,
                        axum::Json(response),
                    ),
                    Err(err) => {
                        eprintln!("Error: {err:?}");
                        response.message = String::from("Contact not created");

                        (
                            axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                            axum::Json(response),
                        )
                    }
                }
            } else {
                response.message = String::from("Request body is not valid");
                (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
            }
        }
    }
}