use std::env::current_exe;

use anyhow::{anyhow, Result};
use lazy_static::lazy_static;
use shadow_rs::{is_debug, shadow};

shadow!(build);

pub fn get_resource_path<S: AsRef<str>>(dir: S) -> Result<std::path::PathBuf> {
    let base_path = if is_debug() {
        let cwd = std::env::current_exe()?.parent().unwrap().to_path_buf();
        cwd.join("../../tmp/resources")
    } else {
        current_exe()?
            .parent()
            .ok_or(anyhow!("couldn't locate resource path, binary in root"))?
            .join("../share/upend")
    };

    let result = base_path.join(dir.as_ref());
    if result.exists() {
        Ok(result)
    } else {
        Err(anyhow!("Path {result:?} doesn't exist."))
    }
}

lazy_static! {
    static ref APP_USER_AGENT: String = format!("upend / {}", build::PKG_VERSION);
    pub static ref REQWEST_CLIENT: reqwest::blocking::Client = reqwest::blocking::Client::builder()
        .user_agent(APP_USER_AGENT.as_str())
        .build()
        .unwrap();
    pub static ref REQWEST_ASYNC_CLIENT: reqwest::Client = reqwest::Client::builder()
        .user_agent(APP_USER_AGENT.as_str())
        .build()
        .unwrap();
}

pub fn get_version() -> &'static str {
    option_env!("UPEND_VERSION").unwrap_or("unknown")
}