use std::sync::Arc;

use dagger_sdk::{HostDirectoryOptsBuilder, QueryContainerOptsBuilder};
use tokio::sync::Mutex;

#[tokio::main]
async fn main() -> eyre::Result<()> {
    let _ = dotenv::dotenv();
    let client = dagger_sdk::connect().await?;

    let src = client.host().directory_opts(
        ".",
        HostDirectoryOptsBuilder::default()
            .exclude(vec![".git", "node_modules", "public", "ci", "target"])
            .build()?,
    );

    let node_cache = client.cache_volume("node_cache");
    let debian_cache = client.cache_volume("debian_cache");

    let styles_file = client
        .container()
        .from("node:16")
        .with_workdir("/app")
        .with_directory(".", src.id().await?)
        .with_mounted_cache("node_modules", node_cache.id().await?)
        .with_exec(vec!["yarn"])
        .with_exec(vec!["yarn", "compile"])
        .file("static/styles/styles.css");

    let zola_version = "0.17.2-1";
    let debian_edition = "bullseye";
    let debian_platform = "amd64";
    let tag = chrono::Utc::now().timestamp();

    let github_zola_download = format!("https://github.com/barnumbirr/zola-debian/releases/download/v{zola_version}/zola_{zola_version}_{debian_platform}_{debian_edition}.deb");
    let pull_articles_docker_image = "docker.io/kasperhermansen/pull-articles:1690413158";
    let update_deployments_docker_image = "docker.io/kasperhermansen/update-deployment:1690401410";

    let pull_articles = client
        .container()
        .from(pull_articles_docker_image)
        .with_exec(vec!["echo", &format!("{}", tag)])
        .with_env_variable("GIT_USERNAME", "kjuulh")
        .with_env_variable("GIT_PASSWORD", std::env::var("GIT_PASSWORD").unwrap())
        .with_exec(vec![
            "pull-articles",
            "--repo",
            "https://git.front.kjuulh.io/kjuulh/obsidian.git",
            "--path",
            "areas/blog/posts",
            "--out",
            "/mnt/posts",
            "--static-out=/mnt/static",
        ])
        .directory("/mnt/");

    let dist_dir = client
        .container_opts(
            dagger_sdk::QueryContainerOptsBuilder::default()
                .platform(format!("linux/{debian_platform}"))
                .build()?,
        )
        .from(format!("debian:{debian_edition}"))
        .with_exec(vec!["apt", "update"])
        .with_exec(vec!["apt", "install", "wget", "-y"])
        .with_workdir("/mnt")
        .with_mounted_cache("/mnt", debian_cache.id().await?)
        .with_exec(vec!["wget", &github_zola_download])
        .with_exec(vec![
            "dpkg",
            "-i",
            format!("zola_{zola_version}_{debian_platform}_{debian_edition}.deb").as_str(),
        ])
        .with_workdir("/app")
        .with_directory(".", src.id().await?)
        .with_directory(
            "content/posts",
            pull_articles.directory("posts").id().await?,
        )
        .with_directory(
            "static/assets",
            pull_articles.directory("static").id().await?,
        )
        .with_file(
            "content/posts/_index.md",
            src.file("content/posts/_index.md").id().await?,
        )
        .with_file("static/styles/styles.css", styles_file.id().await?)
        .with_exec(vec!["zola", "build"])
        .directory("public");

    let caddy_file = client.host().directory("deployment").file("Caddyfile");

    let variants = vec!["linux/amd64", "linux/arm64"];
    let platform_variants = Arc::new(Mutex::new(Vec::new()));

    tokio_scoped::scope(|s| {
        for platform in variants {
            let caddy_file = caddy_file.clone();
            let client = client.clone();
            let dist_dir = dist_dir.clone();
            let platform_variants = platform_variants.clone();

            s.spawn(async move {
                let dep_image = client
                    .container_opts(
                        QueryContainerOptsBuilder::default()
                            .platform(platform)
                            .build()
                            .unwrap(),
                    )
                    .from("caddy")
                    .with_directory("/usr/share/caddy", dist_dir.id().await.unwrap())
                    .with_file("/etc/caddy/Caddyfile", caddy_file.id().await.unwrap());

                let mut platform_variants = platform_variants.lock().await;
                platform_variants.push(dep_image.id().await.unwrap())
            });
        }
    });

    let variants = platform_variants
        .lock()
        .await
        .iter()
        .map(|c| c.clone())
        .collect::<Vec<_>>();

    let version = client
        .container()
        .publish_opts(
            format!("kasperhermansen/kasperhermansen-blog:{tag}"),
            dagger_sdk::ContainerPublishOptsBuilder::default()
                .platform_variants(variants)
                .build()?,
        )
        .await?;

    let update_deployment = client
        .container()
        .from(update_deployments_docker_image)
        .with_env_variable("GIT_USERNAME", "kjuulh")
        .with_env_variable("GIT_PASSWORD", std::env::var("GIT_PASSWORD").unwrap())
        .with_exec(vec![
            "update-deployment",
            "--repo",
            "https://git.front.kjuulh.io/kjuulh/blog-deployment.git",
            "--service",
            "blog",
            "--image",
            &format!("kasperhermansen/kasperhermansen-blog:{tag}"),
        ])
        .exit_code()
        .await?;

    Ok(())
}