//! Integration tests for the full finalize pipeline
//!
//! These tests verify the complete finalize workflow from YAML parsing
//! through hook execution, using real files and the public `finalize()` entry point.

use std::collections::HashMap;
use std::time::Duration;
use workshop_baker::cli::Cli;
use workshop_baker::ExecutionContext;
use workshop_engine::ExecutionEvent;
use workshop_baker::finalize::finalize;

fn create_test_context() -> ExecutionContext {
    ExecutionContext {
        task_id: "test-finalize-1".to_string(),
        pipeline_name: "test-pipeline".to_string(),
        username: "testuser".to_string(),
        working_dir: std::env::temp_dir(),
        env_vars: HashMap::new(),
        timeout: Some(Duration::from_secs(30)),
        shell: "bash".to_string(),
        dry_run: false,
        privileged: false,
        standalone: false,
    }
}

fn create_test_cli() -> Cli {
    Cli {
        username: "testuser".to_string(),
        pipeline: "test-pipeline".to_string(),
        build_id: "test-build-1".to_string(),
        dry_run: false,
        command: None,
    }
}

fn create_test_event_channel() -> (
    Option<tokio::sync::mpsc::Sender<ExecutionEvent>>,
    tokio::sync::mpsc::Receiver<ExecutionEvent>,
) {
    let (tx, rx) = tokio::sync::mpsc::channel(64);
    (Some(tx), rx)
}

#[tokio::test]
async fn test_full_finalize_with_early_late_hooks() {
    let temp_dir = std::env::temp_dir();
    let finalize_path = temp_dir.join("test_finalize.yml");

    let yaml_content = r#"
version: "0.0.1"
hooks:
  early:
    - name: "early-echo"
      command: "echo early-hook-ok"
      timeout: 5
  late:
    - name: "late-echo"
      command: "echo late-hook-ok"
      timeout: 5
"#;

    std::fs::write(&finalize_path, yaml_content).expect("Failed to write test finalize.yml");

    let cli = create_test_cli();
    let mut ctx = create_test_context();
    let (event_tx, mut event_rx) = create_test_event_channel();

    // Spawn an event consumer so the channel does not block
    let consumer_handle = tokio::spawn(async move {
        while let Some(_event) = event_rx.recv().await {
            // Events are consumed but not validated in this test
        }
    });

    let result = finalize(&finalize_path, &cli, &mut ctx, event_tx).await;

    let _ = consumer_handle.await;
    std::fs::remove_file(&finalize_path).ok();

    assert!(
        result.is_ok(),
        "Full finalize pipeline should succeed: {:?}",
        result
    );
}

#[tokio::test]
async fn test_full_finalize_with_empty_hooks() {
    let temp_dir = std::env::temp_dir();
    let finalize_path = temp_dir.join("test_finalize_empty.yml");

    let yaml_content = r#"
version: "0.0.1"
"#;

    std::fs::write(&finalize_path, yaml_content).expect("Failed to write test finalize.yml");

    let cli = create_test_cli();
    let mut ctx = create_test_context();
    let (event_tx, mut event_rx) = create_test_event_channel();

    let consumer_handle =
        tokio::spawn(async move { while let Some(_event) = event_rx.recv().await {} });

    let result = finalize(&finalize_path, &cli, &mut ctx, event_tx).await;

    let _ = consumer_handle.await;
    std::fs::remove_file(&finalize_path).ok();

    assert!(
        result.is_ok(),
        "Finalize with empty hooks should succeed: {:?}",
        result
    );
}

#[tokio::test]
async fn test_full_finalize_with_failing_early_hook() {
    let temp_dir = std::env::temp_dir();
    let finalize_path = temp_dir.join("test_finalize_fail.yml");

    let yaml_content = r#"
version: "0.0.1"
hooks:
  early:
    - name: "failing-hook"
      command: "false"
      timeout: 5
  late:
    - name: "never-reached"
      command: "echo should-not-run"
      timeout: 5
"#;

    std::fs::write(&finalize_path, yaml_content).expect("Failed to write test finalize.yml");

    let cli = create_test_cli();
    let mut ctx = create_test_context();
    let (event_tx, mut event_rx) = create_test_event_channel();

    let consumer_handle =
        tokio::spawn(async move { while let Some(_event) = event_rx.recv().await {} });

    let result = finalize(&finalize_path, &cli, &mut ctx, event_tx).await;

    let _ = consumer_handle.await;
    std::fs::remove_file(&finalize_path).ok();

    // With the notification subsystem, prior stage failures cause finalize to
    // send a failure notification and then return Ok (skipping artifacts/latehook)
    assert!(
        result.is_ok(),
        "Finalize with failing early hook should return Ok after sending failure notification"
    );
}