mod static_files;
mod html;
mod rss;
mod txt;

use std::io::Result;
use std::path::PathBuf;
use crate::post::Post;
use crate::template::TemplateContext;

pub fn generate(static_directory: &PathBuf, template_directory: &PathBuf, output_directory: &PathBuf, posts: &Vec<Post>) -> Result<()> {
    let generators = available_generators();
    let context = Post::to_template_context(&posts);
    for generator in generators {
        generator(static_directory, template_directory, output_directory, &context)?;
    }
    Ok(())
}


fn available_generators() -> Vec<fn(&PathBuf, &PathBuf, &PathBuf, &TemplateContext) -> Result<()>> {
    vec![
        static_files::generate,
        // These three are actually the same. Can generalize, don't know how in rust yet.
        html::generate,
        rss::generate,
        txt::generate
    ]
}