use clap::Parser;
use std::collections::HashMap;

mod tera_lib;
use crate::tera_lib::{hash_from_data, data_templated};

#[derive(Parser, Debug)]
#[clap(author, version, about, long_about = None)]
struct Args {
    /// Data file 
    #[clap(short, long)]
    data: String,

    /// Template file 
    #[clap(short, long)]
    tpl: String,

    /// Number of times to greet
    #[clap(short, long, default_value_t = 1)]
    count: u8,
}

fn main() {
    let args = Args::parse();
    let mut data_hash: HashMap<String, String> = HashMap::new();
    let mut tpl_context = tera::Context::new();
    match hash_from_data(&args.data, &mut tpl_context, &mut data_hash, true) {
      Ok(_) => 
        match data_templated(&"".to_string(),&args.tpl,&mut tpl_context, &data_hash) {
           Ok(result) => println!("{}",result),
           Err(e) => println!("Error with {} data in {} template: {}", args.data, args.tpl, e),
       },
      Err(e) => println!("Error with {} data in {} template: {}", args.data, args.tpl, e),
    }
}