extern crate bindgen;
extern crate pkg_config;

use std::path::Path;
use std::env;

fn main() {

    let out_dir = env::var("OUT_DIR").unwrap();
    let out_file = Path::new(&out_dir).join("purple.rs");
    let mut bindings = bindgen::builder()
        //.no_unstable_rust()
        .bitfield_enum("PurpleMessageFlags")
        .bitfield_enum("PurpleBlistNodeFlags")
        .bitfield_enum("PurpleProtocolOptions");

    let purple_lib = pkg_config::probe_library("purple").unwrap();
    for path in &purple_lib.include_paths {
        let mut p = path.clone();
        p.push("purple.h");
        println!("test = {:?}", p);
        if p.exists() && p.is_file() {
            println!("found = {:?}", p);
            bindings = bindings.header(p.to_str().unwrap());
            break;
        }
    }

    bindings = bindings.clang_arg("-D").clang_arg("PURPLE_PLUGINS");
    for include_path in purple_lib.include_paths {
        let include_path = include_path.to_str().unwrap();

        println!("Adding include dir: {}", include_path);

        // Add each required include dir provided by pkg-config
        bindings = bindings.clang_arg("-I").clang_arg(include_path);
    }

    // bindings.forbid_unknown_types();
    bindings = bindings.emit_builtins();
    bindings = bindings.derive_debug(false);

    match bindings.generate() {
        Ok(bindings) => {
            bindings.write_to_file(out_file).unwrap();
        }
        _ => panic!("Bindings generation failed"),
    }
}