use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
use pretty_assertions::assert_eq;
use rstest::rstest;

#[test]
fn source_file_relative_to_file() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu source_file_relative.nu
        ");

    assert_eq!(actual.out, "5");
}

#[test]
fn source_file_relative_to_config() {
    let actual = nu!("
        nu --config tests/parsing/samples/source_file_relative.nu --commands ''
        ");

    assert_eq!(actual.out, "5");
}

#[test]
fn source_const_file() {
    let actual = nu!(cwd: "tests/parsing/samples",
    "
        const file = 'single_line.nu'
        source $file
    ");

    assert_eq!(actual.out, "5");
}

#[test]
fn source_circular() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu source_circular_1.nu
        ");

    assert!(actual.err.contains("nu::parser::circular_import"));
}

#[test]
fn run_nu_script_single_line() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu single_line.nu
        ");

    assert_eq!(actual.out, "5");
}

#[test]
fn run_nu_script_multiline_start_pipe() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu multiline_start_pipe.nu
        ");

    assert_eq!(actual.out, "4");
}

#[test]
fn run_nu_script_multiline_start_pipe_win() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu multiline_start_pipe_win.nu
        ");

    assert_eq!(actual.out, "3");
}

#[test]
fn run_nu_script_multiline_end_pipe() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu multiline_end_pipe.nu
        ");

    assert_eq!(actual.out, "2");
}

#[test]
fn run_nu_script_multiline_end_pipe_win() {
    let actual = nu!(cwd: "tests/parsing/samples", "
        nu multiline_end_pipe_win.nu
        ");

    assert_eq!(actual.out, "3");
}

#[test]
fn parse_file_relative_to_parsed_file_simple() {
    Playground::setup("relative_files_simple", |dirs, sandbox| {
        sandbox
            .mkdir("lol")
            .mkdir("lol/lol")
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol/lol.nu",
                "
                    use ../lol_shell.nu

                    $env.LOL = (lol_shell ls)
                ",
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol_shell.nu",
                r#"
                    export def ls [] { "lol" }
                "#,
            )]);

        let actual = nu!(
            cwd: dirs.test(), pipeline(
            "
                source-env lol/lol/lol.nu;
                $env.LOL
            "
        ));

        assert_eq!(actual.out, "lol");
    })
}

#[test]
fn predecl_signature_single_inp_out_type() {
    Playground::setup("predecl_signature_single_inp_out_type", |dirs, sandbox| {
        sandbox.with_files(&[FileWithContentToBeTrimmed(
            "spam1.nu",
            "
                def main [] { foo }

                def foo []: nothing -> nothing { print 'foo' }
            ",
        )]);

        let actual = nu!(cwd: dirs.test(), pipeline("nu spam1.nu"));

        assert_eq!(actual.out, "foo");
    })
}

#[test]
fn predecl_signature_multiple_inp_out_types() {
    Playground::setup(
        "predecl_signature_multiple_inp_out_types",
        |dirs, sandbox| {
            sandbox.with_files(&[FileWithContentToBeTrimmed(
                "spam2.nu",
                "
                def main [] { foo }

                def foo []: [nothing -> string, string -> string] { 'foo' }
            ",
            )]);

            let actual = nu!(cwd: dirs.test(), pipeline("nu spam2.nu"));

            assert_eq!(actual.out, "foo");
        },
    )
}

#[ignore]
#[test]
fn parse_file_relative_to_parsed_file() {
    Playground::setup("relative_files", |dirs, sandbox| {
        sandbox
            .mkdir("lol")
            .mkdir("lol/lol")
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol/lol.nu",
                "
                    source-env ../../foo.nu
                    use ../lol_shell.nu
                    overlay use ../../lol/lol_shell.nu

                    $env.LOL = $'($env.FOO) (lol_shell ls) (ls)'
                ",
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol_shell.nu",
                r#"
                    export def ls [] { "lol" }
                "#,
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "foo.nu",
                "
                    $env.FOO = 'foo'
                ",
            )]);

        let actual = nu!(
            cwd: dirs.test(), pipeline(
            "
                source-env lol/lol/lol.nu;
                $env.LOL
            "
        ));

        assert_eq!(actual.out, "foo lol lol");
    })
}

#[test]
fn parse_file_relative_to_parsed_file_dont_use_cwd_1() {
    Playground::setup("relative_files", |dirs, sandbox| {
        sandbox
            .mkdir("lol")
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol.nu",
                "
                    source-env foo.nu
                ",
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/foo.nu",
                "
                    $env.FOO = 'good'
                ",
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "foo.nu",
                "
                    $env.FOO = 'bad'
                ",
            )]);

        let actual = nu!(
            cwd: dirs.test(), pipeline(
            "
                source-env lol/lol.nu;
                $env.FOO
            "
        ));

        assert_eq!(actual.out, "good");
    })
}

#[test]
fn parse_file_relative_to_parsed_file_dont_use_cwd_2() {
    Playground::setup("relative_files", |dirs, sandbox| {
        sandbox
            .mkdir("lol")
            .with_files(&[FileWithContentToBeTrimmed(
                "lol/lol.nu",
                "
                    source-env foo.nu
                ",
            )])
            .with_files(&[FileWithContentToBeTrimmed(
                "foo.nu",
                "
                    $env.FOO = 'bad'
                ",
            )]);

        let actual = nu!(
            cwd: dirs.test(), pipeline(
            "
                source-env lol/lol.nu
            "
        ));

        assert!(actual.err.contains("File not found"));
    })
}

#[test]
fn parse_export_env_in_module() {
    let actual = nu!("
            module spam { export-env { } }
        ");

    assert!(actual.err.is_empty());
}

#[test]
fn parse_export_env_missing_block() {
    let actual = nu!("
            module spam { export-env }
        ");

    assert!(actual.err.contains("missing block"));
}

#[test]
fn call_command_with_non_ascii_argument() {
    let actual = nu!("
            def nu-arg [--umlaut(-ö): int] {}
            nu-arg -ö 42
        ");

    assert_eq!(actual.err.len(), 0);
}

#[test]
fn parse_long_duration() {
    let actual = nu!(r#"
            "78.797877879789789sec" | into duration
        "#);

    assert_eq!(actual.out, "1min 18sec 797ms");
}

#[rstest]
#[case("def test [ --a: any = 32 ] {}")]
#[case("def test [ --a: number = 32 ] {}")]
#[case("def test [ --a: number = 32.0 ] {}")]
#[case("def test [ --a: list<any> = [ 1 2 3 ] ] {}")]
#[case("def test [ --a: record<a: int b: string> = { a: 32 b: 'qwe' c: 'wqe' } ] {}")]
#[case("def test [ --a: record<a: any b: any> = { a: 32 b: 'qwe'} ] {}")]
#[case("def test []: int -> int { 1 }")]
#[case("def test []: string -> string { 'qwe' }")]
#[case("def test []: nothing -> nothing { null }")]
#[case("def test []: list<string> -> list<string> { [] }")]
#[case("def test []: record<a: int b: int> -> record<c: int e: int> { {c: 1 e: 1} }")]
#[case("def test []: table<a: int b: int> -> table<c: int e: int> { [ {c: 1 e: 1} ] }")]
#[case("def test []: nothing -> record<c: int e: int> { {c: 1 e: 1} }")]
fn parse_function_signature(#[case] phrase: &str) {
    let actual = nu!(phrase);
    assert!(actual.err.is_empty());
}

#[rstest]
#[case("def test [ in ] {}")]
#[case("def test [ in: string ] {}")]
#[case("def test [ nu: int ] {}")]
#[case("def test [ env: record<> ] {}")]
#[case("def test [ --env ] {}")]
#[case("def test [ --nu: int ] {}")]
#[case("def test [ --in (-i): list<any> ] {}")]
#[case("def test [ a: string, b: int, in: table<a: int b: int> ] {}")]
#[case("def test [ env, in, nu ] {}")]
fn parse_function_signature_name_is_builtin_var(#[case] phrase: &str) {
    let actual = nu!(phrase);
    assert!(actual.err.contains("nu::parser::name_is_builtin_var"))
}

#[rstest]
#[case("let a: int = 1")]
#[case("let a: string = 'qwe'")]
#[case("let a: nothing = null")]
#[case("let a: list<string> = []")]
#[case("let a: record<a: int b: int> = {a: 1 b: 1}")]
#[case("let a: table<a: int b: int> = [[a b]; [1 2] [3 4]]")]
#[case("let a: record<a: record<name: string> b: int> = {a: {name: bob} b: 1}")]
fn parse_let_signature(#[case] phrase: &str) {
    let actual = nu!(phrase);
    assert!(actual.err.is_empty());
}

#[test]
fn parse_let_signature_missing_colon() {
    let actual = nu!("let a int = 1");
    assert!(actual.err.contains("nu::parser::extra_tokens"));
}

#[test]
fn parse_mut_signature_missing_colon() {
    let actual = nu!("mut a record<a: int b: int> = {a: 1 b: 1}");
    assert!(actual.err.contains("nu::parser::extra_tokens"));
}

#[test]
fn parse_const_signature_missing_colon() {
    let actual = nu!("const a string = 'Hello World\n'");
    assert!(actual.err.contains("nu::parser::extra_tokens"));
}