//! Generate only the new teaching-project files; old compatibility examples stay untouched.
#[path = "../../../examples/release1/model.rs"]
mod teaching;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let directory = std::env::args_os()
        .nth(1)
        .map(std::path::PathBuf::from)
        .unwrap_or_else(|| "examples/release1".into());
    let lesson = teaching::build();
    let bundle = teaching::checked_bundle(&lesson.project);
    for (name, source) in &bundle.files {
        let path = directory.join(name);
        std::fs::create_dir_all(path.parent().unwrap())?;
        std::fs::write(path, source)?;
    }
    for (name, value) in [
        ("model.json", serde_json::to_value(&lesson.project)?),
        (
            "transition-before.json",
            serde_json::to_value(&lesson.before_transition)?,
        ),
        (
            "transition-request.json",
            serde_json::to_value(&lesson.request)?,
        ),
        (
            "expected-diagnostics.json",
            serde_json::to_value(oa_core::validation::validate(&lesson.project))?,
        ),
    ] {
        std::fs::write(
            directory.join(name),
            serde_json::to_string_pretty(&value)? + "\n",
        )?;
    }
    println!(
        "Validated {} elements, {} relations, {} views, {} traces; wrote {} source files to {}",
        lesson.project.elements.len(),
        lesson.project.relations.len(),
        lesson.project.diagrams.len(),
        lesson.project.traces.len(),
        bundle.files.len(),
        directory.display()
    );
    for issue in oa_core::validation::validate(&lesson.project) {
        println!(
            "{:?} {} {:?}: {}",
            issue.severity, issue.code, issue.element, issue.message
        );
    }
    Ok(())
}