// EXTREME TDD: Progress Reporting Tests (RED Phase)
//
// Test progress indicators for Red Team and Repo Score commands
// These tests will fail until progress infrastructure is implemented

use std::process::Command;
use std::time::{Duration, Instant};

// ============================================================================
// RED TEAM PROGRESS TESTS (5 tests)
// ============================================================================

#[test]
#[ignore] // RED test - not yet implemented
fn test_red_team_shows_progress_in_tty() {
    // Mock TTY environment
    std::env::set_var("TERM", "xterm-256color");

    let mut cmd = Command::new("cargo");
    cmd.args([
        "run",
        "--bin",
        "pmat",
        "--",
        "red-team",
        "analyze",
        "--message",
        "feat: Test",
        "--verbose",
    ]);

    let output = cmd.output().unwrap();
    let stdout = String::from_utf8_lossy(&output.stdout);

    // Should show progress indicators
    assert!(
        stdout.contains("⠋") || stdout.contains("Extracting claims"),
        "Expected progress spinner or stage message, got: {}",
        stdout
    );
    assert!(
        stdout.contains("Gathering evidence"),
        "Expected 'Gathering evidence' stage"
    );
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_red_team_no_progress_in_quiet_mode() {
    let mut cmd = Command::new("cargo");
    cmd.args([
        "run",
        "--bin",
        "pmat",
        "--",
        "red-team",
        "analyze",
        "--message",
        "feat: Test",
        "--quiet",
    ]);

    let output = cmd.output().unwrap();
    let stdout = String::from_utf8_lossy(&output.stdout);

    // Should NOT show progress indicators
    assert!(
        !stdout.contains("⠋"),
        "Progress spinner should not appear in quiet mode"
    );
    assert!(
        !stdout.contains("Extracting claims"),
        "Stage messages should not appear in quiet mode"
    );
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_red_team_progress_updates() {
    use pmat::cli::progress::MultiStageProgress;

    // Test that progress updates as work completes
    let stages = vec![
        "Extracting claims".to_string(),
        "Gathering evidence".to_string(),
        "Analyzing results".to_string(),
    ];

    let mut progress = MultiStageProgress::new(stages);

    // Stage 1
    progress.next_stage("Extracting claims...");
    assert_eq!(progress.current_stage(), "Extracting claims");
    assert_eq!(progress.current_stage_index(), 0);

    // Stage 2
    progress.next_stage("Gathering evidence...");
    assert_eq!(progress.current_stage(), "Gathering evidence");
    assert_eq!(progress.current_stage_index(), 1);

    // Stage 3
    progress.next_stage("Analyzing results...");
    assert_eq!(progress.current_stage(), "Analyzing results");
    assert_eq!(progress.current_stage_index(), 2);
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_red_team_evidence_source_progress() {
    use pmat::cli::progress::MultiStageProgress;

    let mut progress = MultiStageProgress::new(vec!["Gathering evidence".to_string()]);

    // Simulate evidence gathering from 8 sources
    let sources = [
        "GitHistory",
        "TestExecution",
        "CoverageReport",
        "LinkValidation",
        "CargoAudit",
        "BenchmarkResults",
        "IssueTracker",
        "CodeGrep",
    ];

    for (idx, source) in sources.iter().enumerate() {
        let percent = ((idx + 1) as f64 / sources.len() as f64) * 100.0;
        progress.set_progress(idx as u64 + 1, sources.len() as u64);

        let message = format!("{}: Processing... ({:.0}%)", source, percent);
        assert!(message.contains(source), "Progress should show source name");
    }

    assert_eq!(progress.completed_items(), 8);
    assert_eq!(progress.total_items(), 8);
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_red_team_eta_calculation() {
    use pmat::cli::progress::MultiStageProgress;

    let mut progress = MultiStageProgress::new(vec!["Test stage".to_string()]);

    // Simulate work over time
    let _start = Instant::now();
    progress.set_progress(5, 10);

    // Simulate 1 second of work (50% complete)
    std::thread::sleep(Duration::from_secs(1));

    let eta = progress.get_eta();

    // ETA should be approximately 1 second (remaining 50% at same rate)
    assert!(
        eta.as_secs() <= 2,
        "ETA calculation should be reasonable: {:?}",
        eta
    );
}

// ============================================================================
// REPO SCORE PROGRESS TESTS (5 tests)
// ============================================================================

#[test]
#[ignore] // RED test - not yet implemented
fn test_repo_score_shows_category_progress() {
    std::env::set_var("TERM", "xterm-256color");

    let mut cmd = Command::new("cargo");
    cmd.args([
        "run",
        "--bin",
        "pmat",
        "--",
        "repo-score",
        "--path",
        ".",
        "--verbose",
    ]);

    let output = cmd.output().unwrap();
    let stdout = String::from_utf8_lossy(&output.stdout);

    // Should show category progress
    assert!(
        stdout.contains("Category 1/6") || stdout.contains("Code Quality"),
        "Expected category progress"
    );
    assert!(
        stdout.contains("Category 2/6") || stdout.contains("Testing"),
        "Expected multiple categories"
    );
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_repo_score_shows_file_progress() {
    let mut cmd = Command::new("cargo");
    cmd.args([
        "run",
        "--bin",
        "pmat",
        "--",
        "repo-score",
        "--path",
        ".",
        "--verbose",
    ]);

    let output = cmd.output().unwrap();
    let stdout = String::from_utf8_lossy(&output.stdout);

    // Should show file-level progress
    assert!(
        stdout.contains("files") || stdout.contains("["),
        "Expected file count or progress bar"
    );
    assert!(
        stdout.contains("%") || stdout.contains("complete"),
        "Expected percentage or completion indicator"
    );
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_repo_score_category_progress() {
    use pmat::cli::progress::CategoryProgress;

    let categories = vec![
        "Code Quality".to_string(),
        "Testing".to_string(),
        "Documentation".to_string(),
        "Security".to_string(),
        "Performance".to_string(),
        "Maintainability".to_string(),
    ];

    let mut progress = CategoryProgress::new(categories);

    // Category 1: Code Quality
    progress.next_category("Code Quality");
    assert_eq!(progress.current_category(), "Code Quality");
    assert_eq!(progress.current_category_index(), 0);

    // Simulate file progress within category
    progress.set_file_progress(50, 100);
    assert_eq!(progress.files_processed(), 50);
    assert_eq!(progress.total_files(), 100);
    assert_eq!(progress.category_percent(), 50.0);

    // Category 2: Testing
    progress.next_category("Testing");
    assert_eq!(progress.current_category(), "Testing");
    assert_eq!(progress.current_category_index(), 1);
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_repo_score_overall_progress() {
    use pmat::cli::progress::CategoryProgress;

    let categories = vec![
        "Category 1".to_string(),
        "Category 2".to_string(),
        "Category 3".to_string(),
        "Category 4".to_string(),
    ];

    let mut progress = CategoryProgress::new(categories);

    // Complete first category
    progress.next_category("Category 1");
    progress.set_file_progress(100, 100);
    assert_eq!(progress.overall_percent(), 25.0);

    // Complete second category
    progress.next_category("Category 2");
    progress.set_file_progress(100, 100);
    assert_eq!(progress.overall_percent(), 50.0);

    // Half of third category
    progress.next_category("Category 3");
    progress.set_file_progress(50, 100);
    assert_eq!(progress.overall_percent(), 62.5); // 2.5 / 4 categories
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_repo_score_elapsed_time_display() {
    use pmat::cli::progress::CategoryProgress;

    let mut progress = CategoryProgress::new(vec!["Test".to_string()]);

    let _start = Instant::now();
    progress.next_category("Test");

    // Simulate 2 seconds of work
    std::thread::sleep(Duration::from_secs(2));

    let elapsed = progress.elapsed();

    assert!(
        elapsed.as_secs() >= 2 && elapsed.as_secs() <= 3,
        "Elapsed time should be approximately 2 seconds: {:?}",
        elapsed
    );
}

// ============================================================================
// INFRASTRUCTURE TESTS (5 tests)
// ============================================================================

#[test]
#[ignore] // RED test - not yet implemented
fn test_progress_respects_ci_environment() {
    std::env::set_var("CI", "true");

    use pmat::cli::progress::ProgressIndicator;

    let progress = ProgressIndicator::new("Testing");

    // Should not show progress in CI
    assert!(!progress.is_enabled(), "Progress should be disabled in CI");
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_progress_respects_no_color() {
    std::env::set_var("NO_COLOR", "1");

    use pmat::cli::progress::ProgressIndicator;

    let progress = ProgressIndicator::new("Testing");

    // Should not use colors when NO_COLOR is set
    assert!(!progress.uses_color(), "Progress should respect NO_COLOR");
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_progress_tty_detection() {
    use pmat::cli::progress::ProgressIndicator;

    // In test environment, should detect non-TTY
    let _progress = ProgressIndicator::new("Testing");

    // Test environment is not a TTY (static method)
    assert!(
        !ProgressIndicator::is_tty(),
        "Test environment should not be TTY"
    );
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_progress_bar_formatting() {
    use pmat::cli::progress::MultiStageProgress;

    let mut progress = MultiStageProgress::new(vec!["Test".to_string()]);

    // Test different progress levels
    progress.set_progress(0, 100);
    assert_eq!(progress.completed_items(), 0);
    assert_eq!(progress.total_items(), 100);

    progress.set_progress(50, 100);
    assert_eq!(progress.completed_items(), 50);
    assert_eq!(progress.total_items(), 100);

    progress.set_progress(100, 100);
    assert_eq!(progress.completed_items(), 100);
}

#[test]
#[ignore] // RED test - not yet implemented
fn test_progress_spinner_animation() {
    use pmat::cli::progress::Spinner;

    let mut spinner = Spinner::new();

    // Test spinner frames
    let frames = vec!['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];

    for (idx, expected_frame) in frames.iter().enumerate() {
        spinner.tick();
        let current = spinner.current_frame();

        // Should cycle through frames
        assert_eq!(
            current, *expected_frame,
            "Frame {} should be {}, got {}",
            idx, expected_frame, current
        );
    }

    // Should loop back to first frame
    spinner.tick();
    assert_eq!(spinner.current_frame(), frames[0]);
}
