use crate::cloud::CloudOptions;
use crate::config::HazeConfig;
use crate::image::pull_image;
use crate::service::ServiceTrait;
use crate::Result;
use bollard::models::{ContainerCreateBody, EndpointSettings, HostConfig, NetworkingConfig};
use bollard::query_parameters::CreateContainerOptions;
use bollard::Docker;
use maplit::hashmap;
use miette::IntoDiagnostic;

#[derive(Debug, Clone, Eq, PartialEq)]
pub struct Redis;

#[async_trait::async_trait]
impl ServiceTrait for Redis {
    fn name(&self) -> &str {
        "redis"
    }

    async fn spawn(
        &self,
        docker: &Docker,
        cloud_id: &str,
        network: &str,
        _config: &HazeConfig,
        _options: &CloudOptions,
    ) -> Result<Vec<String>> {
        let image = "redis:8-alpine";
        pull_image(docker, image).await?;
        let options = Some(CreateContainerOptions {
            name: self.container_name(cloud_id),
            ..CreateContainerOptions::default()
        });
        let config = ContainerCreateBody {
            image: Some(image.into()),
            host_config: Some(HostConfig {
                network_mode: Some(network.to_string()),
                ..Default::default()
            }),
            labels: Some(hashmap! {
                "haze-type".into() => self.name().into(),
                "haze-cloud-id".into() => cloud_id.into(),
            }),
            networking_config: Some(NetworkingConfig {
                endpoints_config: Some(hashmap! {
                    network.into() => EndpointSettings {
                        aliases: Some(vec![self.name().to_string()]),
                        ..Default::default()
                    }
                }),
            }),
            ..Default::default()
        };
        let id = docker
            .create_container(options, config)
            .await
            .into_diagnostic()?
            .id;
        docker.start_container(&id, None).await.into_diagnostic()?;
        Ok(vec![id])
    }

    fn container_name(&self, cloud_id: &str) -> Option<String> {
        Some(format!("{}-redis", cloud_id))
    }

    async fn post_setup(
        &self,
        _docker: &Docker,
        _cloud_id: &str,
        _config: &HazeConfig,
    ) -> Result<Vec<String>> {
        Ok(vec!["occ config:system:set redis host --value redis".into()])
    }
}