use assert_cmd::prelude::*;
use predicates::prelude::*;
use std::fs::{create_dir_all, File};
use std::io::prelude::*;
use std::process::Command;
use tempfile::tempdir;

#[test]
fn init() -> Result<(), Box<dyn std::error::Error>> {
    // Create a temporary folder
    let root_dir = tempdir()?;
    let folder = root_dir.path().join("init-project");

    // Run the command
    let mut cmd = Command::cargo_bin("orcs")?;
    cmd.arg("init").arg(&folder);
    cmd.assert().success();

    // Check if there is a project file
    assert!(folder.join("orcs.toml").is_file());

    // Check if the project file contains the right project name
    let mut file = File::open(folder.join("orcs.toml"))?;
    let mut data = String::new();
    file.read_to_string(&mut data)?;
    assert!(predicate::str::contains("init-project").eval(&data));

    Ok(())
}

#[test]
fn init_load() -> Result<(), Box<dyn std::error::Error>> {
    // Create a temporary folder
    let root_dir = tempdir()?;
    let folder = root_dir.path().join("init-load-project");

    // Run the command
    let mut cmd = Command::cargo_bin("orcs")?;
    cmd.arg("init").arg(&folder);
    cmd.assert().success();

    // Check if there is a project file
    assert!(folder.join("orcs.toml").is_file());

    // Load the project
    let mut cmd = Command::cargo_bin("orcs")?;
    cmd.arg("load").arg("-p").arg(&folder);
    cmd.assert()
        .success()
        .stdout(predicate::str::contains("init-load-project"));

    Ok(())
}

#[test]
fn init_from_template() -> Result<(), Box<dyn std::error::Error>> {
    // Create some folders
    let root_dir = tempdir()?;
    let template_folder = root_dir.path().join("template");
    let project_folder = root_dir.path().join("project-from-template");

    // Create a local template
    create_dir_all(&template_folder.join("test_folder"))?;
    let mut test_file = File::create(&template_folder.join("test_folder").join("test.txt"))?;
    let test_data = "Hello, {{{ project_name }}}!";
    test_file.write_all(test_data.as_bytes())?;

    // Run the command
    let mut cmd = Command::cargo_bin("orcs")?;
    cmd.arg("init")
        .arg("-p")
        .arg(&project_folder)
        .arg("-t")
        .arg(&template_folder);
    cmd.assert().success();

    // Check if the test file contains the right project name
    let mut file = File::open(project_folder.join("test_folder").join("test.txt"))?;
    let mut data = String::new();
    file.read_to_string(&mut data)?;
    assert!(predicate::str::contains("project-from-template").eval(&data));

    Ok(())
}