//! Integration tests for the `codeshape` command.

use assert_cmd::Command;
use predicates::prelude::*;
use std::path::PathBuf;

fn cargo_command() -> Command {
    Command::cargo_bin("codeshape").expect("binary")
}

fn fixture_path(relative: &str) -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
        .join("..")
        .join("..")
        .join("fixtures")
        .join("polyglot")
        .join("repo")
        .join(relative)
}

fn pwsh_command(script: impl AsRef<str>) -> Command {
    let mut command = Command::new("pwsh");
    command
        .arg("-NoProfile")
        .arg("-Command")
        .arg(script.as_ref());
    command
}

#[test]
fn summarizes_polyglot_repo_as_json() {
    let mut command = cargo_command();
    command
        .arg("--json")
        .arg(fixture_path(""))
        .assert()
        .success()
        .stdout(predicate::str::contains("\"roots\""))
        .stdout(predicate::str::contains("\"language\":\"rust\""))
        .stdout(predicate::str::contains("\"language\":\"go\""))
        .stdout(predicate::str::contains("\"language\":\"java\""))
        .stdout(predicate::str::contains(
            "\"qualified_name\":\"Service::execute\"",
        ))
        .stdout(predicate::str::contains(
            "\"signature\":\"pub fn helper(name: &str) -> String\"",
        ))
        .stdout(predicate::str::contains(
            "\"signature\":\"function Invoke-Helper\"",
        ));
}

#[test]
fn renders_compact_tree_text() {
    let mut command = cargo_command();
    command
        .args(["--limit-per-file", "4"])
        .arg(fixture_path(""))
        .assert()
        .success()
        .stdout(predicate::str::contains("src\\lib.rs"))
        .stdout(predicate::str::contains("function helper"))
        .stdout(predicate::str::contains("namespace Mercury.Game"));
}

#[test]
fn supports_powershell_pipeline_roots() {
    let binary = assert_cmd::cargo::cargo_bin("codeshape");
    let root = fixture_path("");
    let script = format!(
        "'{}' | & '{}' --json | ConvertFrom-Json | Select-Object -ExpandProperty totals | Select-Object -ExpandProperty files_indexed",
        root.display(),
        binary.display()
    );
    let mut command = pwsh_command(script);
    command
        .assert()
        .success()
        .stdout(predicate::str::contains("10"));
}

#[test]
fn help_includes_repo_map_examples() {
    let mut command = cargo_command();
    command
        .arg("--help")
        .assert()
        .success()
        .stdout(predicate::str::contains("--max-files"))
        .stdout(predicate::str::contains("ConvertFrom-Json"))
        .stdout(predicate::str::contains("codeshape"));
}