use crate::macro_processor::error::SMPError;
use crate::macro_processor::macro_processor::MacroProcessorWarning;
use crate::macro_processor::MacroProcessor;

/// Warn on dead link
pub fn smp_builtin_wodl(
    smp: &mut MacroProcessor,
    macro_name: &str,
    args: &mut [String],
) -> Result<String, SMPError> {
    if args.len() != 1 {
        smp.warnings
            .push(MacroProcessorWarning::from_macro_invocation(
                macro_name,
                args,
                format!("Wrong number of arguments, expected 1"),
            ));
        return Ok(macro_name.to_string());
    }

    let response = match minreq::get(&args[0]).send() {
        Ok(s) => s,
        Err(e) => {
            smp.warnings
                .push(MacroProcessorWarning::from_macro_invocation(
                    macro_name,
                    args,
                    format!("Dead link {:#?} ({:#?})!", args[0], e),
                ));
            return Ok(args[0].to_string());
        }
    };
    if response.status_code != 200 || response.reason_phrase != "OK" {
        smp.warnings
            .push(MacroProcessorWarning::from_macro_invocation(
                macro_name,
                args,
                format!(
                    "Dead link {:#?} ({} {})!",
                    args[0], response.status_code, response.reason_phrase
                ),
            ));
    }
    Ok(args[0].to_string())
}