//! Tests the interaction of the `lint` configuration section

#![cfg(not(target_family = "wasm"))]

use std::fs;
use std::process::Command;
use std::str;

use anyhow::Result;
use insta_cmd::{assert_cmd_snapshot, get_cargo_bin};
use tempfile::TempDir;

const BIN_NAME: &str = "ruff";
const STDIN_BASE_OPTIONS: &[&str] = &["--no-cache", "--output-format", "text"];

#[test]
fn top_level_options() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
extend-select = ["B", "Q"]

[flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .args(STDIN_BASE_OPTIONS)
        .arg("--config")
        .arg(&ruff_toml)
        .args(["--stdin-filename", "test.py"])
        .arg("-")
        .pass_stdin(r#"a = "abcba".strip("aba")"#), @r###"
    success: false
    exit_code: 1
    ----- stdout -----
    test.py:1:5: Q000 [*] Double quotes found but single quotes preferred
    test.py:1:5: B005 Using `.strip()` with multi-character strings is misleading
    test.py:1:19: Q000 [*] Double quotes found but single quotes preferred
    Found 3 errors.
    [*] 2 fixable with the `--fix` option.

    ----- stderr -----
    "###);
    Ok(())
}

#[test]
fn lint_options() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
[lint]
extend-select = ["B", "Q"]

[lint.flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .args(STDIN_BASE_OPTIONS)
        .arg("--config")
        .arg(&ruff_toml)
        .arg("-")
        .pass_stdin(r#"a = "abcba".strip("aba")"#), @r###"
    success: false
    exit_code: 1
    ----- stdout -----
    -:1:5: Q000 [*] Double quotes found but single quotes preferred
    -:1:5: B005 Using `.strip()` with multi-character strings is misleading
    -:1:19: Q000 [*] Double quotes found but single quotes preferred
    Found 3 errors.
    [*] 2 fixable with the `--fix` option.

    ----- stderr -----
    "###);
    Ok(())
}

/// Tests that configurations from the top-level and `lint` section are merged together.
#[test]
fn mixed_levels() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
extend-select = ["B", "Q"]

[lint.flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .args(STDIN_BASE_OPTIONS)
        .arg("--config")
        .arg(&ruff_toml)
        .arg("-")
        .pass_stdin(r#"a = "abcba".strip("aba")"#), @r###"
    success: false
    exit_code: 1
    ----- stdout -----
    -:1:5: Q000 [*] Double quotes found but single quotes preferred
    -:1:5: B005 Using `.strip()` with multi-character strings is misleading
    -:1:19: Q000 [*] Double quotes found but single quotes preferred
    Found 3 errors.
    [*] 2 fixable with the `--fix` option.

    ----- stderr -----
    "###);
    Ok(())
}

/// Tests that options in the `lint` section have higher precedence than top-level options (because they are more specific).
#[test]
fn precedence() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
[lint]
extend-select = ["B", "Q"]

[flake8-quotes]
inline-quotes = "double"

[lint.flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .args(STDIN_BASE_OPTIONS)
        .arg("--config")
        .arg(&ruff_toml)
        .arg("-")
        .pass_stdin(r#"a = "abcba".strip("aba")"#), @r###"
    success: false
    exit_code: 1
    ----- stdout -----
    -:1:5: Q000 [*] Double quotes found but single quotes preferred
    -:1:5: B005 Using `.strip()` with multi-character strings is misleading
    -:1:19: Q000 [*] Double quotes found but single quotes preferred
    Found 3 errors.
    [*] 2 fixable with the `--fix` option.

    ----- stderr -----
    "###);
    Ok(())
}

#[test]
fn exclude() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
extend-select = ["B", "Q"]
extend-exclude = ["out"]

[lint]
exclude = ["test.py", "generated.py"]

[lint.flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    fs::write(
        tempdir.path().join("main.py"),
        r#"
from test import say_hy

if __name__ == "__main__":
    say_hy("dear Ruff contributor")
"#,
    )?;

    // Excluded file but passed to the CLI directly, should be linted
    let test_path = tempdir.path().join("test.py");
    fs::write(
        &test_path,
        r#"
def say_hy(name: str):
        print(f"Hy {name}")"#,
    )?;

    fs::write(
        tempdir.path().join("generated.py"),
        r#"NUMBERS = [
     0,  1,  2,  3,  4,  5,  6,  7,  8,  9,
    10, 11, 12, 13, 14, 15, 16, 17, 18, 19
]
OTHER = "OTHER"
"#,
    )?;

    let out_dir = tempdir.path().join("out");
    fs::create_dir(&out_dir)?;

    fs::write(out_dir.join("a.py"), r#"a = "a""#)?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .current_dir(tempdir.path())
        .arg("check")
        .args(STDIN_BASE_OPTIONS)
        .args(["--config", &ruff_toml.file_name().unwrap().to_string_lossy()])
        // Explicitly pass test.py, should be linted regardless of it being excluded by lint.exclude
        .arg(test_path.file_name().unwrap())
        // Lint all other files in the directory, should respect the `exclude` and `lint.exclude` options
        .arg("."), @r###"
    success: false
    exit_code: 1
    ----- stdout -----
    main.py:4:16: Q000 [*] Double quotes found but single quotes preferred
    main.py:5:12: Q000 [*] Double quotes found but single quotes preferred
    test.py:3:15: Q000 [*] Double quotes found but single quotes preferred
    Found 3 errors.
    [*] 3 fixable with the `--fix` option.

    ----- stderr -----
    "###);
    Ok(())
}

#[test]
fn exclude_stdin() -> Result<()> {
    let tempdir = TempDir::new()?;
    let ruff_toml = tempdir.path().join("ruff.toml");
    fs::write(
        &ruff_toml,
        r#"
extend-select = ["B", "Q"]

[lint]
exclude = ["generated.py"]

[lint.flake8-quotes]
inline-quotes = "single"
"#,
    )?;

    assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
        .current_dir(tempdir.path())
        .arg("check")
        .args(STDIN_BASE_OPTIONS)
        .args(["--config", &ruff_toml.file_name().unwrap().to_string_lossy()])
        .args(["--stdin-filename", "generated.py"])
        .arg("-")
        .pass_stdin(r#"
from test import say_hy

if __name__ == "__main__":
    say_hy("dear Ruff contributor")
"#), @r###"
    success: true
    exit_code: 0
    ----- stdout -----

    ----- stderr -----
    "###);
    Ok(())
}