use docker_pose::Verbosity::Verbose;
use docker_pose::{DockerCommand, Verbosity};
use serial_test::serial;
use std::env;

#[test]
fn run_docker_version() {
    let command = DockerCommand::new(Verbosity::default());
    let output = command.call_cmd(&["version"], false, true).unwrap();
    assert!(output.status.success());
    let stdout = String::from_utf8(output.stdout).unwrap();
    assert!(stdout.to_lowercase().contains("version"));
}

#[test]
fn run_docker_compose_version() {
    for verbosity in [Verbosity::Quiet, Verbose] {
        let command = DockerCommand::new(verbosity);
        let output = command
            .call_cmd(&["compose", "version"], false, true)
            .unwrap();
        assert!(output.status.success());
        let stdout = String::from_utf8(output.stdout).unwrap();
        assert!(stdout.to_lowercase().contains("version"));
    }
}

#[test]
#[serial]
#[ignore] // because issues in CI so disabled for now
fn run_missed_docker() {
    env::set_var("DOCKER_BIN", "docker1234");
    let command = DockerCommand::new(Verbosity::default());
    let result = command.call_cmd(&["version"], false, false);
    assert!(result.is_err()); // the message vary according to the OS
    env::set_var("DOCKER_BIN", "docker");
}

#[test]
fn run_docker_missed_file() {
    let command = DockerCommand::new(Verbosity::default());
    let output = command
        .call_cmd(&["compose", "-f", "doesnotexist.yaml", "up"], false, true)
        .unwrap();
    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.to_lowercase().contains("no such file or directory"));
}

// this test only works if a compose.yaml file is created at the root of the project
// #[test]
// fn run_docker_config() {
//     let command = DockerCommand::new(Verbose);
//     let output = command.call_compose_config(None, false, true).unwrap();
//     assert!(output.status.success());
//     let stdout = String::from_utf8(output.stdout).unwrap();
//     // POSTGRES_PASSWORD=password was turned into...
//     assert!(stdout.contains("POSTGRES_PASSWORD: password"));
// }

#[test]
fn run_docker_config_multiple_files() {
    let command = DockerCommand::new(Verbose);
    let output = command
        .call_compose_config(
            &["tests/compose.yaml", "tests/another.yml"],
            false,
            false,
            true,
        )
        .unwrap();
    assert!(output.status.success());
    let stdout = String::from_utf8(output.stdout).unwrap();
    // VAR=val may be turned into VAR: val depending on the docker compose version
    assert!(
        stdout.contains("POSTGRES_PASSWORD: password")
            || stdout.contains("POSTGRES_PASSWORD=password")
    );
    assert!(stdout.contains("image: nginx"));
}

#[test]
fn run_docker_config_file_not_found() {
    let command = DockerCommand::new(Verbose);
    let output = command
        .call_compose_config(&["does-not-exist.yml"], false, false, true)
        .unwrap();
    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.contains("no such file or directory"));
}