extern crate bindgen;

use std::env;
use std::path::PathBuf;

fn main() {
    // Tell cargo to tell rustc to link the system bzip2
    // shared library.
    println!("cargo:rustc-link-lib=bz2");

    // The bindgen::Builder is the main entry point
    // to bindgen, and lets you build up options for
    // the resulting bindings.
    let bindings = bindgen::Builder::default()
        // The input header we would like to generate
        // bindings for.
        .header("headers/emojicode/APIWrapper.hpp")
        .clang_arg("-std=c++14")
        .rustfmt_bindings(true)
        .whitelist_function("Emojicode::executeCallableExtern")
        .whitelist_type("Emojicode::Class")
        .whitelist_type("Emojicode::EmojicodeChar")
        .whitelist_type("Emojicode::PackageVersion")
        .whitelist_type("Emojicode::FunctionFunctionPointer")
        .whitelist_type("LinkingTable")
        .whitelist_type("Emojicode::Thread")
        .whitelist_function("Emojicode::stringToCString")
        .whitelist_function("Emojicode::stringFromChar")

        // Finish the builder and generate the bindings.
        .generate()
        // Unwrap the Result and panic on failure.
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}