use std::collections::HashSet;
use std::fs;
use std::path::PathBuf;

use utils::{self, fixture};
use wasm_pack::{self, manifest};

#[test]
fn it_gets_the_crate_name_default_path() {
    let path = &PathBuf::from(".");
    assert!(manifest::get_crate_name(path).is_ok());
    assert_eq!(manifest::get_crate_name(path).unwrap(), "wasm-pack");
}

#[test]
fn it_gets_the_crate_name_provided_path() {
    let path = &PathBuf::from("tests/fixtures/js-hello-world");
    assert!(manifest::get_crate_name(path).is_ok());
    assert_eq!(manifest::get_crate_name(path).unwrap(), "js-hello-world");
}

#[test]
fn it_checks_has_cdylib_default_path() {
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(manifest::check_crate_config(&PathBuf::from("."), &step).is_err());
}

#[test]
fn it_checks_has_cdylib_provided_path() {
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(
        manifest::check_crate_config(&PathBuf::from("tests/fixtures/js-hello-world"), &step)
            .is_ok()
    );
}

#[test]
fn it_checks_has_cdylib_wrong_crate_type() {
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(
        manifest::check_crate_config(&PathBuf::from("tests/fixtures/bad-cargo-toml"), &step)
            .is_err()
    );
}

#[test]
fn it_recognizes_a_map_during_depcheck() {
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(
        manifest::check_crate_config(&PathBuf::from("tests/fixtures/serde-feature"), &step).is_ok()
    );
}

#[test]
fn it_creates_a_package_json_default_path() {
    let fixture = fixture::fixture(".");
    let out_dir = fixture.path.join("pkg");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(manifest::write_package_json(&fixture.path, &out_dir, &None, false, "", &step).is_ok());
    let package_json_path = &fixture.path.join("pkg").join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "wasm-pack");
    assert_eq!(pkg.repository.ty, "git");
    assert_eq!(
        pkg.repository.url,
        "https://github.com/ashleygwilliams/wasm-pack.git"
    );
    assert_eq!(pkg.main, "wasm_pack.js");
    let types = pkg.types.unwrap_or_default();
    assert_eq!(types, "wasm_pack.d.ts");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();
    let expected_files: HashSet<String> = ["wasm_pack_bg.wasm", "wasm_pack.d.ts"]
        .iter()
        .map(|&s| String::from(s))
        .collect();
    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_creates_a_package_json_provided_path() {
    let fixture = fixture::fixture("tests/fixtures/js-hello-world");
    let out_dir = fixture.path.join("pkg");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(manifest::write_package_json(&fixture.path, &out_dir, &None, false, "", &step).is_ok());
    let package_json_path = &fixture.path.join("pkg").join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "js-hello-world");
    assert_eq!(pkg.main, "js_hello_world.js");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();
    let expected_files: HashSet<String> = ["js_hello_world_bg.wasm", "js_hello_world.d.ts"]
        .iter()
        .map(|&s| String::from(s))
        .collect();
    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_creates_a_package_json_provided_path_with_scope() {
    let fixture = fixture::fixture("tests/fixtures/scopes");
    let out_dir = fixture.path.join("pkg");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(
        manifest::write_package_json(
            &fixture.path,
            &out_dir,
            &Some("test".to_string()),
            false,
            "",
            &step
        ).is_ok()
    );
    let package_json_path = &fixture.path.join("pkg").join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "@test/scopes-hello-world");
    assert_eq!(pkg.main, "scopes_hello_world.js");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();
    let expected_files: HashSet<String> = ["scopes_hello_world_bg.wasm", "scopes_hello_world.d.ts"]
        .iter()
        .map(|&s| String::from(s))
        .collect();
    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_creates_a_pkg_json_with_correct_files_on_node() {
    let fixture = fixture::fixture(".");
    let out_dir = fixture.path.join("pkg");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(
        manifest::write_package_json(&fixture.path, &out_dir, &None, false, "nodejs", &step)
            .is_ok()
    );
    let package_json_path = &out_dir.join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "wasm-pack");
    assert_eq!(pkg.repository.ty, "git");
    assert_eq!(
        pkg.repository.url,
        "https://github.com/ashleygwilliams/wasm-pack.git"
    );
    assert_eq!(pkg.main, "wasm_pack.js");
    let types = pkg.types.unwrap_or_default();
    assert_eq!(types, "wasm_pack.d.ts");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();
    let expected_files: HashSet<String> =
        ["wasm_pack_bg.wasm", "wasm_pack_bg.js", "wasm_pack.d.ts"]
            .iter()
            .map(|&s| String::from(s))
            .collect();
    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_creates_a_pkg_json_in_out_dir() {
    let fixture = fixture::fixture("tests/fixtures/js-hello-world");
    let out_dir = fixture.path.join("./custom/out");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(manifest::write_package_json(&fixture.path, &out_dir, &None, false, "", &step).is_ok());

    let package_json_path = &fixture.path.join(&out_dir).join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());

    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "js-hello-world");
    assert_eq!(pkg.main, "js_hello_world.js");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();

    let expected_files: HashSet<String> = ["js_hello_world_bg.wasm", "js_hello_world.d.ts"]
        .iter()
        .map(|&s| String::from(s))
        .collect();

    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_creates_a_package_json_with_correct_keys_when_types_are_skipped() {
    let fixture = fixture::fixture(".");
    let out_dir = fixture.path.join("pkg");
    let step = wasm_pack::progressbar::Step::new(1);
    wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
    assert!(manifest::write_package_json(&fixture.path, &out_dir, &None, true, "", &step).is_ok());
    let package_json_path = &out_dir.join("package.json");
    assert!(fs::metadata(package_json_path).is_ok());
    assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
    let pkg = utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
    assert_eq!(pkg.name, "wasm-pack");
    assert_eq!(pkg.repository.ty, "git");
    assert_eq!(
        pkg.repository.url,
        "https://github.com/ashleygwilliams/wasm-pack.git"
    );
    assert_eq!(pkg.main, "wasm_pack.js");

    let actual_files: HashSet<String> = pkg.files.into_iter().collect();
    let expected_files: HashSet<String> = ["wasm_pack_bg.wasm"]
        .iter()
        .map(|&s| String::from(s))
        .collect();
    assert_eq!(actual_files, expected_files);
}

#[test]
fn it_errors_when_wasm_bindgen_is_not_declared() {
    let fixture = fixture::fixture("tests/fixtures/bad-cargo-toml");
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(manifest::check_crate_config(&fixture.path, &step).is_err());
}

#[test]
fn it_does_not_error_when_wasm_bindgen_is_declared() {
    let fixture = fixture::fixture("tests/fixtures/js-hello-world");
    let step = wasm_pack::progressbar::Step::new(1);
    assert!(manifest::check_crate_config(&fixture.path, &step).is_ok());
}

#[test]
fn it_gets_wasm_bindgen_version() {
    let fixture = fixture::fixture("tests/fixtures/js-hello-world");
    assert_eq!(
        manifest::get_wasm_bindgen_version(&fixture.path).unwrap(),
        "0.2"
    );
}

#[test]
fn it_gets_wasm_bindgen_version_with_underscores() {
    let fixture = fixture::fixture("tests/fixtures/with-underscores");
    assert_eq!(
        manifest::get_wasm_bindgen_version(&fixture.path).unwrap(),
        "0.2"
    );
}