use nu_test_support::{nu, nu_repl_code};

#[test]
fn filesize_metric_true() {
    let code = &[
        r#"$env.config = { filesize: { metric: true, format:"mb" } }"#,
        r#"20mib | into string"#,
    ];
    let actual = nu!(nu_repl_code(code));
    assert_eq!(actual.out, "21.0 MB");
}

#[test]
fn filesize_metric_false() {
    let code = &[
        r#"$env.config = { filesize: { metric: false, format:"mib" } }"#,
        r#"20mib | into string"#,
    ];
    let actual = nu!(nu_repl_code(code));
    assert_eq!(actual.out, "20.0 MiB");
}

#[test]
fn filesize_metric_overrides_format() {
    let code = &[
        r#"$env.config = { filesize: { metric: false, format:"mb" } }"#,
        r#"20mib | into string"#,
    ];
    let actual = nu!(nu_repl_code(code));
    assert_eq!(actual.out, "20.0 MiB");
}

#[test]
fn filesize_format_auto_metric_true() {
    let code = &[
        r#"$env.config = { filesize: { metric: true, format:"auto" } }"#,
        r#"[2mb 2gb 2tb] | into string | to nuon"#,
    ];
    let actual = nu!(nu_repl_code(code));
    assert_eq!(actual.out, r#"["2.0 MB", "2.0 GB", "2.0 TB"]"#);
}

#[test]
fn filesize_format_auto_metric_false() {
    let code = &[
        r#"$env.config = { filesize: { metric: false, format:"auto" } }"#,
        r#"[2mb 2gb 2tb] | into string | to nuon"#,
    ];
    let actual = nu!(nu_repl_code(code));
    assert_eq!(actual.out, r#"["1.9 MiB", "1.9 GiB", "1.8 TiB"]"#);
}

#[test]
fn fancy_default_errors() {
    let actual = nu!(nu_repl_code(&[
        r#"def force_error [x] {
        let span = (metadata $x).span;
        error make {
            msg: "oh no!"
            label: {
                text: "here's the error"
                start: $span.start
                end: $span.end
            }
        }
    }"#,
        r#"force_error "My error""#
    ]));

    assert_eq!(
        actual.err,
        "Error:   \u{1b}[31m×\u{1b}[0m oh no!\n   ╭─[\u{1b}[36;1;4mline1\u{1b}[0m:1:1]\n \u{1b}[2m1\u{1b}[0m │ force_error \"My error\"\n   · \u{1b}[35;1m            ─────┬────\u{1b}[0m\n   ·                  \u{1b}[35;1m╰── \u{1b}[35;1mhere's the error\u{1b}[0m\u{1b}[0m\n   ╰────\n\n\n"
    );
}

#[test]
fn narratable_errors() {
    let actual = nu!(nu_repl_code(&[
        r#"$env.config = { error_style: "plain" }"#,
        r#"def force_error [x] {
        let span = (metadata $x).span;
        error make {
            msg: "oh no!"
            label: {
                text: "here's the error"
                start: $span.start
                end: $span.end
            }
        }
    }"#,
        r#"force_error "my error""#,
    ]));

    assert_eq!(
        actual.err,
        r#"Error: oh no!
    Diagnostic severity: error
Begin snippet for line2 starting at line 1, column 1

snippet line 1: force_error "my error"
    label at line 1, columns 13 to 22: here's the error


"#,
    );
}