oxipage 0.4.0

use clap::Subcommand;
use std::path::PathBuf;

#[derive(Subcommand, Debug, Clone)]
pub enum BuildCommand {
    /// Build the static site from the local SQLite database.
    /// Generates out/ directory with HTML + JSON + assets.
    #[command(name = "build")]
    Run {
        /// Output directory (default: data/out)
        #[arg(long)]
        out_dir: Option<String>,
    },
}

pub(crate) async fn build(c: BuildCommand) -> anyhow::Result<()> {
    match c {
        BuildCommand::Run {
            out_dir: custom_out,
        } => {
            // 1. Resolve data directory from config
            let data_dir = super::resolve_data_dir()?;
            let db_path = data_dir.join("oxipage.db");
            let media_dir = data_dir.join("media");
            let web_dist = PathBuf::from("web/dist");

            if !db_path.exists() {
                anyhow::bail!(
                    "Database not found at {}. Is the server initialized?",
                    db_path.display()
                );
            }

            // 2. Connect to the database
            println!("Building site...");
            println!("  db:      {}", db_path.display());
            println!("  media:   {}", media_dir.display());

            let pool = oxipage_core::db::connect(&db_path).await?;

            // 3. Get all builders
            let builders = oxipage_console::all_builders();
            let builder_refs: Vec<Box<dyn oxipage_core::builder::BuildExt>> = builders;

            // 4. Run build pipeline
            let output = oxipage_core::build::build_site(&pool, &builder_refs)
                .map_err(|e| anyhow::anyhow!("{}", e))?;

            // 5. Write output
            let out_path = custom_out
                .map(PathBuf::from)
                .unwrap_or_else(|| data_dir.join("out"));
            oxipage_core::build_writer::write_build_output(
                &output, &out_path, &media_dir, &web_dist,
            )
            .map_err(|e| anyhow::anyhow!("{}", e))?;

            println!("Build complete:");
            println!("  pages:     {}", output.pages.len());
            println!("  search:    {} docs", output.search_docs.len());
            println!("  output:    {}", out_path.display());
            println!();
            println!("  Preview:  oxipage console --preview");
            println!("  Deploy:   oxipage deploy --target github-pages");

            Ok(())
        }
    }
}