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

use std::fs;

use assert_cmd::Command;
use predicates::prelude::*;
use tempfile::tempdir;

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

#[test]
fn detects_multiple_ecosystems_and_grouped_sections_as_json() {
    let temp = tempdir().expect("tempdir");
    fs::create_dir_all(temp.path().join("src")).expect("src");
    fs::create_dir_all(temp.path().join(".github").join("workflows")).expect("workflows");
    fs::create_dir_all(temp.path().join("cmd").join("server")).expect("go cmd");
    fs::create_dir_all(temp.path().join("app")).expect("app");

    fs::write(temp.path().join("Cargo.toml"), "[package]\nname=\"demo\"\n").expect("cargo");
    fs::write(temp.path().join("src").join("main.rs"), "fn main() {}\n").expect("main");
    fs::write(
        temp.path().join("package.json"),
        "{\"scripts\":{\"build\":\"tsc\",\"test\":\"vitest\"},\"main\":\"index.js\"}",
    )
    .expect("package");
    fs::write(temp.path().join("pnpm-lock.yaml"), "lockfileVersion: '9.0'").expect("lock");
    fs::write(
        temp.path().join("pyproject.toml"),
        "[project]\nname=\"demo\"\n[project.scripts]\nserve=\"demo:main\"\n",
    )
    .expect("pyproject");
    fs::write(temp.path().join("requirements.txt"), "pytest\n").expect("requirements");
    fs::write(
        temp.path().join("go.mod"),
        "module example.com/demo\n\ngo 1.22\n",
    )
    .expect("go");
    fs::write(
        temp.path().join("cmd").join("server").join("main.go"),
        "package main\nfunc main(){}\n",
    )
    .expect("go main");
    fs::write(
        temp.path().join("CMakeLists.txt"),
        "cmake_minimum_required(VERSION 3.20)\n",
    )
    .expect("cmake");
    fs::write(
        temp.path().join("Makefile"),
        "build:\n\t@echo build\ntest:\n\t@echo test\n",
    )
    .expect("make");
    fs::write(
        temp.path().join("demo.sln"),
        "Microsoft Visual Studio Solution File\n",
    )
    .expect("sln");
    fs::write(
        temp.path().join("app").join("demo.csproj"),
        "<Project Sdk=\"Microsoft.NET.Sdk\" />\n",
    )
    .expect("csproj");
    fs::write(
        temp.path().join(".github").join("workflows").join("ci.yml"),
        "name: ci\non: [push]\n",
    )
    .expect("workflow");

    let mut command = cargo_command();
    command
        .arg("--json")
        .arg(temp.path())
        .assert()
        .success()
        .stdout(predicate::str::contains("\"ecosystems\""))
        .stdout(predicate::str::contains("\"manifests\""))
        .stdout(predicate::str::contains("\"commands\""))
        .stdout(predicate::str::contains("\"entrypoints\""))
        .stdout(predicate::str::contains("\"ci\""))
        .stdout(predicate::str::contains("\"name\":\"cargo\""))
        .stdout(predicate::str::contains("\"name\":\"pnpm\""))
        .stdout(predicate::str::contains("\"name\":\"python\""))
        .stdout(predicate::str::contains("\"name\":\"dotnet\""))
        .stdout(predicate::str::contains("\"name\":\"go\""))
        .stdout(predicate::str::contains("\"name\":\"cmake\""))
        .stdout(predicate::str::contains("\"name\":\"make\""))
        .stdout(predicate::str::contains("\"provider\":\"github_actions\""));
}

#[test]
fn help_includes_grouped_output_language() {
    let mut command = cargo_command();
    command
        .arg("--help")
        .assert()
        .success()
        .stdout(predicate::str::contains("--max-depth"))
        .stdout(predicate::str::contains("ecosystems"))
        .stdout(predicate::str::contains("reposhape"));
}

#[test]
fn max_depth_limits_nested_package_detection() {
    let temp = tempdir().expect("tempdir");
    fs::create_dir_all(temp.path().join("src")).expect("src");
    fs::create_dir_all(temp.path().join("deep")).expect("deep");
    fs::write(temp.path().join("Cargo.toml"), "[package]\nname=\"demo\"\n").expect("cargo");
    fs::write(temp.path().join("src").join("main.rs"), "fn main() {}\n").expect("main");
    fs::write(
        temp.path().join("deep").join("package.json"),
        "{\"scripts\":{\"build\":\"tsc\"}}",
    )
    .expect("package");

    let mut shallow = cargo_command();
    shallow
        .arg("--json")
        .arg("--max-depth")
        .arg("1")
        .arg(temp.path())
        .assert()
        .success()
        .stdout(predicate::str::contains("\"name\":\"cargo\""))
        .stdout(predicate::str::contains("\"kind\":\"package_json\"").not());

    let mut deep = cargo_command();
    deep.arg("--json")
        .arg("--max-depth")
        .arg("4")
        .arg(temp.path())
        .assert()
        .success()
        .stdout(predicate::str::contains("\"kind\":\"package_json\""))
        .stdout(predicate::str::contains("deep"));
}

#[test]
fn hidden_flag_controls_hidden_workspace_detection() {
    let temp = tempdir().expect("tempdir");
    fs::create_dir_all(temp.path().join("src")).expect("src");
    fs::create_dir_all(temp.path().join(".hidden")).expect("hidden");
    fs::write(temp.path().join("Cargo.toml"), "[package]\nname=\"demo\"\n").expect("cargo");
    fs::write(temp.path().join("src").join("main.rs"), "fn main() {}\n").expect("main");
    fs::write(
        temp.path().join(".hidden").join("package.json"),
        "{\"scripts\":{\"test\":\"vitest\"}}",
    )
    .expect("package");

    let mut without_hidden = cargo_command();
    without_hidden
        .arg("--json")
        .arg(temp.path())
        .assert()
        .success()
        .stdout(predicate::str::contains("\"kind\":\"package_json\"").not());

    let mut with_hidden = cargo_command();
    with_hidden
        .arg("--json")
        .arg("--hidden")
        .arg(temp.path())
        .assert()
        .success()
        .stdout(predicate::str::contains("\"kind\":\"package_json\""))
        .stdout(predicate::str::contains("hidden"));
}

#[test]
fn cli_surfaces_invalid_depth_and_missing_path_errors() {
    let mut invalid_depth = cargo_command();
    invalid_depth
        .arg("--max-depth")
        .arg("nope")
        .assert()
        .failure()
        .stderr(predicate::str::contains("invalid --max-depth value"));

    let temp = tempdir().expect("tempdir");
    let missing = temp.path().join("does-not-exist");
    let mut missing_path = cargo_command();
    missing_path
        .arg(missing)
        .assert()
        .failure()
        .stderr(predicate::str::contains("repository path does not exist"));
}