use std::fs;
use std::error::Error;

mod template;
use template::antares::Antares;

fn make_url(base: &str, usercode: &str, password: &str, cikkszam: &str) -> String {
    format!(
        "{}&USERCODE={}&PASSWORD={}&PIN=&cikkszam={}",
        base, usercode, password, cikkszam
    )
}

fn main() -> Result<(), Box<dyn Error>> {
    // Separate values
    let base = "https://b2b.antares.hu/I4stechproductionWebInt/IntAntaresWebCikkDataService.svc/webhttps/Get_CikkInfokWeb?SCHEMA=ANTARESINT";
    let usercode = "orinkkft";
    let password = "8E7DCB55F3B4ECC52D0451A1F8D851D0EF2193FCE4B83E528C18A8F68F8F2658EFCF2EA08563EC702A1C701934C3FBF5F6880BE894A16387326C7180A9A4C361";
    let cikkszam = ""; // supply a value if needed

    let url = make_url(base, usercode, password, cikkszam);

    let response = reqwest::blocking::get(&url)?.text()?;

    // Try to deserialize into strongly-typed `Antares` list.
    let items: Antares = match serde_json::from_str::<Antares>(&response) {
        Ok(items) => {
            // Re-serialize via the structs to ensure consistent formatting
            let pretty = serde_json::to_string_pretty(&items)?;
            fs::write("antares.json", pretty)?;
            println!("Parsed {} items and saved to antares.json", items.len());
            items
        }
        Err(_) => {
            // Fall back to pretty-printing raw JSON value, or raw text.
            if let Ok(json_val) = serde_json::from_str::<serde_json::Value>(&response) {
                let pretty = serde_json::to_string_pretty(&json_val)?;
                fs::write("antares.json", pretty)?;
                eprintln!("Warning: response didn't match expected struct but was valid JSON; saved pretty JSON to antares.json");
            } else {
                fs::write("antares.json", &response)?;
                eprintln!("Warning: response is not valid JSON; saved raw response to antares.json");
            }
            Vec::new()
        }
    };

    // Example: print first item's Cikkszam if available
    if let Some(first) = items.get(0) {
        if let Some(ref cs) = first.cikkszam {
            println!("First item Cikkszam: {}", cs);
        }
    }

    Ok(())
}