pub mod event;
pub mod scheduling;

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

    #[derive(Debug, Deserialize, Serialize, ToSchema)]
    pub struct AddMessageRequest {
        pub content: String,
        pub user_id: uuid::Uuid,
    }

    impl AddMessageRequest {
        pub fn is_valid(&self) -> bool {
            !self.content.is_empty() || !self.user_id.is_nil()
        }
    }

    #[derive(Debug, Default, serde::Deserialize, serde::Serialize, utoipa::ToSchema)]
    pub struct GetMessageParams {
        pub id: Option<uuid::Uuid>,
        pub user_id: Option<uuid::Uuid>,
    }
}

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

    #[derive(Debug, Default, Deserialize, Serialize, ToSchema)]
    pub struct AddMessageResponse {
        pub message: String,
        pub data: Vec<schedtxt_models::message::Message>,
    }

    pub use AddMessageResponse as GetMessageResponse;
}

pub mod endpoint {
    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::AddMessageRequest,
        description = "Data needed to create a Message",
        content_type = "application/json"
        ),
    responses(
        (status = 201, description = "Message created", body = super::response::AddMessageResponse),
        (status = 400, description = "Error", body = super::response::AddMessageResponse),
        (status = 500, description = "Error creating Message", body = super::response::AddMessageResponse)
    )
)]
    pub async fn create_message(
        axum::Extension(pool): axum::Extension<sqlx::PgPool>,
        axum::Json(payload): axum::Json<super::request::AddMessageRequest>,
    ) -> (
        axum::http::StatusCode,
        axum::Json<super::response::AddMessageResponse>,
    ) {
        let mut response = super::response::AddMessageResponse::default();

        if payload.is_valid() {
            let mut msg = schedtxt_models::message::Message {
                content: payload.content,
                user_id: Some(payload.user_id),
                ..Default::default()
            };
            match message_repo::insert(&pool, &msg, &payload.user_id).await {
                Ok(message_id) => {
                    msg.id = Some(message_id);
                    response.data.push(msg);
                    response.message = String::from("Message created");
                    (axum::http::StatusCode::CREATED, 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))
        }
    }

    /// Endpoint to get Messages
    #[utoipa::path(
        get,
        path = super::super::endpoints::GET_MESSAGE,
        params(
            ("id" = uuid::Uuid, Path, description = "Id of Message"),
            ("user_id" = uuid::Uuid, Path, description = "User Id associated with the Message")
            ),
        responses(
            (status = 200, description = "Songs found", body = super::response::GetMessageResponse),
            (status = 400, description = "Error getting songs", body = super::response::GetMessageResponse)
        )
    )]
    pub async fn get_messages(
        axum::Extension(pool): axum::Extension<sqlx::PgPool>,
        axum::extract::Query(params): axum::extract::Query<super::request::GetMessageParams>,
    ) -> (
        axum::http::StatusCode,
        axum::Json<super::response::GetMessageResponse>,
    ) {
        let mut response = super::response::GetMessageResponse::default();

        let messages = match params.id {
            Some(id) => match message_repo::get(&pool, &id).await {
                Ok(message) => {
                    vec![message]
                }
                Err(err) => {
                    eprintln!("Error: {err:?}");
                    return (
                        axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                        axum::Json(response),
                    );
                }
            },
            None => match params.user_id {
                Some(user_id) => match message_repo::get_with_user_id(&pool, &user_id).await {
                    Ok(messages) => messages,
                    Err(err) => {
                        eprintln!("Error: {err:?}");
                        return (
                            axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                            axum::Json(response),
                        );
                    }
                },
                None => {
                    response.message = String::from("Invalid parameter");
                    return (axum::http::StatusCode::BAD_REQUEST, axum::Json(response));
                }
            },
        };

        response.data = messages;
        response.message = String::from(super::super::response::SUCCESSFUL);

        (axum::http::StatusCode::OK, axum::Json(response))
    }
}