wthrr 0.2.0

Weather companion for the terminal
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use anyhow::{anyhow, Result};
use dialoguer::{theme::ColorfulTheme, Confirm};

use crate::{location::Geolocation, translation::translate};

pub async fn get(args_address: &str, config_address: &str, config_method: &str, lang: &str) -> Result<String> {
	if args_address.is_empty() && config_method == "manual" {
		return Err(anyhow!(translate(&lang, "Please specify a city.").await?));
	}

	let address =
		if args_address == "auto" || args_address.is_empty() && (config_method == "auto" || config_method.is_empty()) {
			if args_address.is_empty() && config_method.is_empty() {
				let auto_location_prompt = Confirm::with_theme(&ColorfulTheme::default())
					.with_prompt(
						translate(
							&lang,
							"You didn't specify a city. Should I check for a weather station close to your location?",
						)
						.await?,
					)
					.interact()?;
				if !auto_location_prompt {
					std::process::exit(1);
				}
			}
			let auto_loc = Geolocation::get().await?;
			format!("{},{}", auto_loc.city_name, auto_loc.country_code)
		} else if args_address.is_empty() && !config_address.is_empty() {
			config_address.to_string()
		} else {
			args_address.to_string()
		};

	Ok(address)
}

#[cfg(test)]
mod tests {
	use super::*;
	use crate::config::{Config, TempUnit};

	#[tokio::test]
	async fn address_from_arg() -> Result<()> {
		let arg_address = "new york";
		let config = Config {
			address: Some("Berlin, DE".to_string()),
			unit: Some(TempUnit::Fahrenheit.as_ref().to_string()),
			..Default::default()
		};

		assert!(get(
			arg_address,
			config.address.as_deref().unwrap_or_default(),
			config.method.as_deref().unwrap_or_default(),
			"en"
		)
		.await?
		.contains("new york"));

		Ok(())
	}

	#[tokio::test]
	async fn address_from_cfg() -> Result<()> {
		let arg_address = "";
		let config = Config {
			address: Some("Berlin, DE".to_string()),
			unit: Some(TempUnit::Fahrenheit.as_ref().to_string()),
			..Default::default()
		};

		assert!(get(
			arg_address,
			config.address.as_deref().unwrap_or_default(),
			config.method.as_deref().unwrap_or_default(),
			"en"
		)
		.await?
		.contains("Berlin"));

		Ok(())
	}
}