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

use tempfile::tempdir;

mod common;
use common::cli::run;

#[test]
fn line_length_reports_error() {
    let dir = tempdir().unwrap();
    let file = dir.path().join("bad.yaml");
    fs::write(
        &file,
        "key: this line is deliberately far longer than the eighty character default limit so it should fail\n",
    )
    .unwrap();

    let exe = env!("CARGO_BIN_EXE_ryl");
    let (code, stdout, stderr) = run(Command::new(exe)
        .arg("-d")
        .arg("rules:\n  line-length: enable\n")
        .arg(&file));
    assert_eq!(code, 1, "expected failure: stdout={stdout} stderr={stderr}");
    let output = if stderr.is_empty() { &stdout } else { &stderr };
    assert!(
        output.contains("line too long"),
        "missing message: {output}"
    );
    assert!(
        output.contains("line-length"),
        "rule id missing from output: {output}"
    );
}

#[test]
fn warning_level_does_not_fail() {
    let dir = tempdir().unwrap();
    let file = dir.path().join("warn.yaml");
    fs::write(&file, format!("{}\n", "W".repeat(40))).unwrap();
    let config = dir.path().join("config.yml");
    fs::write(
        &config,
        "rules:\n  line-length:\n    max: 20\n    allow-non-breakable-words: false\n    level: warning\n",
    )
    .unwrap();

    let exe = env!("CARGO_BIN_EXE_ryl");
    let (code, stdout, stderr) =
        run(Command::new(exe).arg("-c").arg(&config).arg(&file));
    assert_eq!(
        code, 0,
        "warnings should not fail: stdout={stdout} stderr={stderr}"
    );
    let output = if stderr.is_empty() { &stdout } else { &stderr };
    assert!(
        output.contains("warning"),
        "expected warning output: {output}"
    );
}

#[test]
fn rule_ignore_skips_file() {
    let dir = tempdir().unwrap();
    let file = dir.path().join("ignored.yaml");
    fs::write(&file, format!("{}\n", "Z".repeat(120))).unwrap();
    let config = dir.path().join("config.yml");
    fs::write(
        &config,
        "rules:\n  line-length:\n    ignore:\n      - ignored.yaml\n",
    )
    .unwrap();

    let exe = env!("CARGO_BIN_EXE_ryl");
    let (code, stdout, stderr) =
        run(Command::new(exe).arg("-c").arg(&config).arg(&file));
    assert_eq!(
        code, 0,
        "ignored file should pass: stdout={stdout} stderr={stderr}"
    );
    assert!(stdout.trim().is_empty(), "expected no stdout: {stdout}");
    assert!(stderr.trim().is_empty(), "expected no stderr: {stderr}");
}
