use crate::models::{channel, channel_role_permission, channel_user_permission};
use crate::repositories::types::ChannelFilter;
use crate::repositories::{AnyResult, RepositoryContext};
use sea_orm::sea_query::OnConflict;
use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, Set};
use std::sync::Arc;
use uuid::Uuid;

#[derive(Clone, Debug)]
pub struct ChannelRepository {
    pub context: Arc<RepositoryContext>,
}

impl ChannelRepository {
    pub async fn get_by_id(&self, id: Uuid) -> AnyResult<Option<channel::Model>> {
        Ok(channel::Entity::find_by_id(id)
            .one(&self.context.db)
            .await?)
    }

    pub async fn get_all(&self) -> AnyResult<Vec<channel::Model>> {
        Ok(channel::Entity::find().all(&self.context.db).await?)
    }

    pub async fn filter(&self, filter: ChannelFilter) -> AnyResult<Vec<channel::Model>> {
        let mut query = channel::Entity::find();
        if let Some(s_id) = filter.server_id {
            query = query.filter(channel::Column::ServerId.eq(s_id));
        }
        Ok(query.all(&self.context.db).await?)
    }

    pub async fn update(&self, active: channel::ActiveModel) -> AnyResult<channel::Model> {
        let channel = active.update(&self.context.db).await?;
        Ok(channel)
    }

    pub async fn create(&self, active: channel::ActiveModel) -> AnyResult<channel::Model> {
        let channel = active.insert(&self.context.db).await?;
        Ok(channel)
    }

    pub async fn delete(&self, id: Uuid) -> AnyResult<bool> {
        let res = channel::Entity::delete_by_id(id)
            .exec(&self.context.db)
            .await?;
        Ok(res.rows_affected > 0)
    }

    pub async fn get_user_permission(
        &self,
        channel_id: Uuid,
        user_id: Uuid,
    ) -> AnyResult<Option<channel_user_permission::Model>> {
        Ok(channel_user_permission::Entity::find()
            .filter(channel_user_permission::Column::ChannelId.eq(channel_id))
            .filter(channel_user_permission::Column::UserId.eq(user_id))
            .one(&self.context.db)
            .await?)
    }

    pub async fn set_user_permission(
        &self,
        channel_id: Uuid,
        user_id: Uuid,
        permissions: u64,
    ) -> AnyResult<()> {
        let permission = channel_user_permission::ActiveModel {
            channel_id: Set(channel_id),
            user_id: Set(user_id),
            permissions: Set(permissions as i64),
            ..Default::default()
        };

        channel_user_permission::Entity::insert(permission)
            .on_conflict(
                OnConflict::columns([
                    channel_user_permission::Column::ChannelId,
                    channel_user_permission::Column::UserId,
                ])
                .update_columns([channel_user_permission::Column::Permissions])
                .to_owned(),
            )
            .exec(&self.context.db)
            .await?;

        Ok(())
    }

    pub async fn remove_user_permission(&self, channel_id: Uuid, user_id: Uuid) -> AnyResult<()> {
        channel_user_permission::Entity::delete_many()
            .filter(channel_user_permission::Column::ChannelId.eq(channel_id))
            .filter(channel_user_permission::Column::UserId.eq(user_id))
            .exec(&self.context.db)
            .await?;

        Ok(())
    }

    pub async fn get_role_permission(
        &self,
        channel_id: Uuid,
        role_id: Uuid,
    ) -> AnyResult<Option<channel_role_permission::Model>> {
        Ok(channel_role_permission::Entity::find()
            .filter(channel_role_permission::Column::ChannelId.eq(channel_id))
            .filter(channel_role_permission::Column::RoleId.eq(role_id))
            .one(&self.context.db)
            .await?)
    }

    pub async fn set_role_permission(
        &self,
        channel_id: Uuid,
        role_id: Uuid,
        permissions: u64,
    ) -> AnyResult<()> {
        let permission = channel_role_permission::ActiveModel {
            channel_id: Set(channel_id),
            role_id: Set(role_id),
            permissions: Set(permissions as i64),
            ..Default::default()
        };

        channel_role_permission::Entity::insert(permission)
            .on_conflict(
                OnConflict::columns([
                    channel_role_permission::Column::ChannelId,
                    channel_role_permission::Column::RoleId,
                ])
                .update_columns([channel_role_permission::Column::Permissions])
                .to_owned(),
            )
            .exec(&self.context.db)
            .await?;

        Ok(())
    }

    pub async fn remove_role_permission(&self, channel_id: Uuid, role_id: Uuid) -> AnyResult<()> {
        channel_role_permission::Entity::delete_many()
            .filter(channel_role_permission::Column::ChannelId.eq(channel_id))
            .filter(channel_role_permission::Column::RoleId.eq(role_id))
            .exec(&self.context.db)
            .await?;

        Ok(())
    }
}