// Copyright 2018-2021 Cargill Incorporated
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use super::UserProfileStoreOperations;

use diesel::prelude::*;

use crate::biome::profile::store::{
    diesel::{models::ProfileModel, schema::user_profile},
    Profile, UserProfileStoreError,
};
use crate::error::{InternalError, InvalidArgumentError};

pub trait UserProfileStorelistProfiles {
    fn list_profiles(&self) -> Result<Option<Vec<Profile>>, UserProfileStoreError>;
}

impl<'a, C> UserProfileStorelistProfiles for UserProfileStoreOperations<'a, C>
where
    C: diesel::Connection,
    i64: diesel::deserialize::FromSql<diesel::sql_types::BigInt, C::Backend>,
    String: diesel::deserialize::FromSql<diesel::sql_types::Text, C::Backend>,
{
    fn list_profiles(&self) -> Result<Option<Vec<Profile>>, UserProfileStoreError> {
        let profiles = user_profile::table
            .select(user_profile::all_columns)
            .load::<ProfileModel>(self.conn)
            .map(Some)
            .map_err(|err| {
                UserProfileStoreError::Internal(InternalError::with_message(format!(
                    "Failed to get profiles {}",
                    err
                )))
            })?
            .ok_or_else(|| {
                UserProfileStoreError::InvalidArgument(InvalidArgumentError::new(
                    "user_id".to_string(),
                    "A profile for the given user_id does not exist".to_string(),
                ))
            })?
            .into_iter()
            .map(Profile::from)
            .collect();
        Ok(Some(profiles))
    }
}
