use std::ffi::OsString;
use std::path::Path;
use ko::create_middleware;

#[test]
fn it_works() {
    let result = ko::run(vec![
        create_middleware(|files| {
            let file = &mut files[0];
            file.content = "test hello".to_string();
        }),
        create_middleware(|files| {
            let file = &mut files[0];
            file.content = "override".to_string();
        }),
    ], Some("fixtures/example"), None);

    if let Ok(r) = result {
        assert_eq!(r[0].content, "override".to_string());
    }
}

#[test]
fn custom_source() {
    let result = ko::run(vec![
        create_middleware(|files| {
            let file = &mut files[0];
            file.content = "another test".to_string();
        }),
    ], Some("fixtures/custom_source"), None);
    if let Ok(r) = result {
        assert_eq!(r[0].name, OsString::from("a.md"));
    }
}

#[test]
fn custom_destination() {
    let result = ko::run(vec![
        create_middleware(|files| {
            let file = &mut files[0];
            file.content = "a third test".to_string();
        }),
    ], Some("fixtures/custom_destination"), Some("_site_2"));
    if let Ok(r) = result {
        assert_eq!(r[0].content, "a third test".to_string());
        let path = Path::new("_site_2/mycoolfile.txt");
        assert_eq!(path.is_file(), true);
    }
}

#[test]
fn custom_metadata() {
    let result = ko::run(vec![
        create_middleware(|files| {
            let file = &mut files[0];
            file.metadata.insert("test", "the fourth test".to_string());
        }),
        create_middleware(|files| {
            let file = &mut files[0];
            let content = file.metadata.get("test").unwrap();
            file.content = content.to_owned();
        })
    ], Some("fixtures/example"), None);
    if let Ok(r) = result {
        assert_eq!(r[0].content, "the fourth test".to_string());
    }
}

#[test]
fn ignore_files() {
    let result = ko::run(vec![
        ko::ignore(vec![
            "*.txt".to_owned(),
        ]),
    ], Some("fixtures/ignore"), None);
    if let Ok(r) = result {
        assert_eq!(r.len(), 1);
        assert_eq!(r[0].name, OsString::from("test.md"));
    }
}