// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use mockall::predicate::*;
use mockall::*;

use crate::identity::application::port::output::db::{emp_id_exists::*, store_id_exists::*};
use crate::identity::domain::{exit_organization_command::*, organization_exited_event::*};

use super::errors::*;

#[automock]
#[async_trait::async_trait]
pub trait EmployeeExitOrganizationUseCase: Send + Sync {
    async fn exit_organization(
        &self,
        cmd: ExitOrganizationCommand,
    ) -> IdentityResult<OrganizationExitedEvent>;
}

pub type EmployeeExitOrganizationServiceObj = std::sync::Arc<dyn EmployeeExitOrganizationUseCase>;

#[derive(Clone, Builder)]
pub struct EmployeeExitOrganizationService {
    db_emp_id_exists_adapter: EmpIDExistsOutDBPortObj,
    db_store_id_exists_adapter: StoreIDExistsDBPortObj,
}

#[async_trait::async_trait]
impl EmployeeExitOrganizationUseCase for EmployeeExitOrganizationService {
    async fn exit_organization(
        &self,
        cmd: ExitOrganizationCommand,
    ) -> IdentityResult<OrganizationExitedEvent> {
        if !self
            .db_emp_id_exists_adapter
            .emp_id_exists(cmd.emp_id())
            .await?
        {
            return Err(IdentityError::EmployeeNotFound);
        }

        if !self
            .db_store_id_exists_adapter
            .store_id_exists(cmd.emp_id())
            .await?
        {
            return Err(IdentityError::StoreNotFound);
        }

        Ok(OrganizationExitedEventBuilder::default()
            .emp_id(*cmd.emp_id())
            .store_id(*cmd.store_id())
            .build()
            .unwrap())
    }
}

#[cfg(test)]
mod tests {
    use crate::{tests::bdd::*, utils::uuid::tests::*};

    use super::*;

    impl EmployeeExitOrganizationService {
        pub fn mock_service(
            times: Option<usize>,
            cmd: ExitOrganizationCommand,
        ) -> EmployeeExitOrganizationServiceObj {
            let res = OrganizationExitedEvent::get_event(&cmd);
            let mut m = MockEmployeeExitOrganizationUseCase::default();

            if let Some(times) = times {
                m.expect_exit_organization()
                    .times(times)
                    .returning(move |_| Ok(res.clone()));
            } else {
                m.expect_exit_organization()
                    .returning(move |_| Ok(res.clone()));
            }

            std::sync::Arc::new(m)
        }
    }

    #[actix_rt::test]
    async fn test_service() {
        let s = EmployeeExitOrganizationServiceBuilder::default()
            .db_emp_id_exists_adapter(mock_emp_id_exists_db_port(IS_CALLED_ONLY_ONCE, true))
            .db_store_id_exists_adapter(mock_store_id_exists_db_port_true(IS_CALLED_ONLY_ONCE))
            .build()
            .unwrap();

        {
            let cmd = ExitOrganizationCommandBuilder::default()
                .emp_id(UUID)
                .store_id(UUID)
                .build()
                .unwrap();

            let res = s.exit_organization(cmd.clone()).await.unwrap();
            assert_eq!(*res.emp_id(), UUID);
            assert_eq!(*res.store_id(), UUID);
        }
    }

    #[actix_rt::test]
    async fn test_service_store_no_exist() {
        let s = EmployeeExitOrganizationServiceBuilder::default()
            .db_emp_id_exists_adapter(mock_emp_id_exists_db_port(IS_CALLED_ONLY_ONCE, true))
            .db_store_id_exists_adapter(mock_store_id_exists_db_port_false(IS_CALLED_ONLY_ONCE))
            .build()
            .unwrap();

        {
            let cmd = ExitOrganizationCommandBuilder::default()
                .emp_id(UUID)
                .store_id(UUID)
                .build()
                .unwrap();

            assert_eq!(
                s.exit_organization(cmd.clone()).await.err(),
                Some(IdentityError::StoreNotFound)
            );
        }
    }

    #[actix_rt::test]
    async fn test_service_emp_no_exist() {
        let s = EmployeeExitOrganizationServiceBuilder::default()
            .db_emp_id_exists_adapter(mock_emp_id_exists_db_port(IS_CALLED_ONLY_ONCE, false))
            .db_store_id_exists_adapter(mock_store_id_exists_db_port_true(IS_NEVER_CALLED))
            .build()
            .unwrap();

        {
            let cmd = ExitOrganizationCommandBuilder::default()
                .emp_id(UUID)
                .store_id(UUID)
                .build()
                .unwrap();

            assert_eq!(
                s.exit_organization(cmd.clone()).await.err(),
                Some(IdentityError::EmployeeNotFound)
            );
        }
    }
}