// Test script for real-world process scenarios

print("=== Real-World Process Scenarios Tests ===");

// Test 1: System information gathering
print("\n--- Test 1: System Information Gathering ---");
let system_info = #{};

// Get current user
try {
    let whoami_result = run_command("whoami");
    if whoami_result.success {
        system_info.user = whoami_result.stdout.trim();
        print(`✓ Current user: ${system_info.user}`);
    }
} catch(e) {
    print("⚠ whoami command not available");
}

// Get current directory
try {
    let pwd_result = run_command("pwd");
    if pwd_result.success {
        system_info.pwd = pwd_result.stdout.trim();
        print(`✓ Current directory: ${system_info.pwd}`);
    }
} catch(e) {
    // Try Windows alternative
    try {
        let cd_result = run_command("cd");
        if cd_result.success {
            system_info.pwd = cd_result.stdout.trim();
            print(`✓ Current directory (Windows): ${system_info.pwd}`);
        }
    } catch(e2) {
        print("⚠ pwd/cd commands not available");
    }
}

assert_true(system_info.len() > 0, "Should gather at least some system information");

// Test 2: File system operations
print("\n--- Test 2: File System Operations ---");
let temp_file = "/tmp/sal_process_test.txt";
let temp_content = "SAL Process Test Content";

// Create a test file
let create_script = `
    echo "${temp_content}" > ${temp_file}
`;

try {
    let create_result = run_command(create_script);
    if create_result.success {
        print("✓ Test file created successfully");
        
        // Read the file back
        let read_result = run_command(`cat ${temp_file}`);
        if read_result.success {
            assert_true(read_result.stdout.contains(temp_content), "File content should match");
            print("✓ Test file read successfully");
        }
        
        // Clean up
        let cleanup_result = run_command(`rm -f ${temp_file}`);
        if cleanup_result.success {
            print("✓ Test file cleaned up successfully");
        }
    }
} catch(e) {
    print("⚠ File system operations not available on this platform");
}

// Test 3: Process monitoring workflow
print("\n--- Test 3: Process Monitoring Workflow ---");
let monitoring_workflow = || {
    // Get all processes
    let all_processes = process_list("");
    assert_true(all_processes.len() > 0, "Should find running processes");
    
    // Find processes with common names
    let common_patterns = ["init", "kernel", "system", "explorer", "winlogon"];
    let found_patterns = [];
    
    for pattern in common_patterns {
        let matches = process_list(pattern);
        if matches.len() > 0 {
            found_patterns.push(pattern);
        }
    }
    
    print(`✓ Process monitoring found patterns: ${found_patterns}`);
    return found_patterns.len() > 0;
};

assert_true(monitoring_workflow(), "Process monitoring workflow should succeed");

// Test 4: Command availability checking
print("\n--- Test 4: Command Availability Checking ---");
let essential_commands = ["echo"];
let optional_commands = ["git", "curl", "wget", "python", "node", "java"];

let available_commands = [];
let missing_commands = [];

// Check essential commands
for cmd in essential_commands {
    let path = which(cmd);
    if path != () {
        available_commands.push(cmd);
    } else {
        missing_commands.push(cmd);
    }
}

// Check optional commands
for cmd in optional_commands {
    let path = which(cmd);
    if path != () {
        available_commands.push(cmd);
    }
}

assert_true(missing_commands.len() == 0, "All essential commands should be available");
print(`✓ Available commands: ${available_commands}`);
print(`✓ Command availability check completed`);

// Test 5: Batch processing simulation
print("\n--- Test 5: Batch Processing Simulation ---");
let batch_commands = [
    "echo 'Processing item 1'",
    "echo 'Processing item 2'",
    "echo 'Processing item 3'"
];

let batch_results = [];
let batch_success = true;

for cmd in batch_commands {
    try {
        let result = run(cmd).silent().execute();
        batch_results.push(result);
        if !result.success {
            batch_success = false;
        }
    } catch(e) {
        batch_success = false;
        break;
    }
}

assert_true(batch_success, "Batch processing should succeed");
assert_true(batch_results.len() == batch_commands.len(), "Should process all batch items");
print(`✓ Batch processing completed: ${batch_results.len()} items`);

// Test 6: Environment variable handling
print("\n--- Test 6: Environment Variable Handling ---");
let env_test_script = `
    export TEST_VAR="test_value"
    echo "TEST_VAR=$TEST_VAR"
`;

try {
    let env_result = run_command(env_test_script);
    if env_result.success {
        assert_true(env_result.stdout.contains("TEST_VAR=test_value"), "Environment variable should be set");
        print("✓ Environment variable handling works");
    }
} catch(e) {
    print("⚠ Environment variable test not available");
}

// Test 7: Pipeline simulation
print("\n--- Test 7: Pipeline Simulation ---");
let pipeline_script = `
    echo "line1
line2
line3" | grep "line2"
`;

try {
    let pipeline_result = run_command(pipeline_script);
    if pipeline_result.success {
        assert_true(pipeline_result.stdout.contains("line2"), "Pipeline should filter correctly");
        print("✓ Pipeline simulation works");
    }
} catch(e) {
    print("⚠ Pipeline simulation not available");
}

// Test 8: Error recovery workflow
print("\n--- Test 8: Error Recovery Workflow ---");
let recovery_workflow = || {
    let primary_cmd = "nonexistent_primary_command";
    let fallback_cmd = "echo 'fallback executed'";
    
    // Try primary command
    try {
        let primary_result = run_command(primary_cmd);
        return primary_result.success;
    } catch(e) {
        // Primary failed, try fallback
        try {
            let fallback_result = run_command(fallback_cmd);
            return fallback_result.success && fallback_result.stdout.contains("fallback executed");
        } catch(e2) {
            return false;
        }
    }
};

assert_true(recovery_workflow(), "Error recovery workflow should succeed");
print("✓ Error recovery workflow works");

// Test 9: Resource monitoring
print("\n--- Test 9: Resource Monitoring ---");
let resource_monitoring = || {
    let start_time = timestamp();
    
    // Simulate resource-intensive operation
    let intensive_script = `
        for i in $(seq 1 10); do
            echo "Processing $i"
        done
    `;
    
    try {
        let result = run(intensive_script).silent().execute();
        let end_time = timestamp();
        let duration = end_time - start_time;
        
        print(`✓ Resource monitoring: operation took ${duration}ms`);
        return result.success && duration < 10000; // Should complete within 10 seconds
    } catch(e) {
        return false;
    }
};

assert_true(resource_monitoring(), "Resource monitoring should work");

// Test 10: Cross-platform compatibility
print("\n--- Test 10: Cross-Platform Compatibility ---");
let cross_platform_test = || {
    // Test basic commands that should work everywhere
    let basic_commands = ["echo hello"];
    
    for cmd in basic_commands {
        try {
            let result = run_command(cmd);
            if !result.success {
                return false;
            }
        } catch(e) {
            return false;
        }
    }
    
    // Test platform detection
    let windows_detected = which("cmd") != ();
    let unix_detected = which("sh") != ();
    
    return windows_detected || unix_detected;
};

assert_true(cross_platform_test(), "Cross-platform compatibility should work");
print("✓ Cross-platform compatibility verified");

// Test 11: Complex workflow integration
print("\n--- Test 11: Complex Workflow Integration ---");
let complex_workflow = || {
    // Step 1: Check prerequisites
    let echo_available = which("echo") != ();
    if !echo_available {
        return false;
    }
    
    // Step 2: Execute main task
    let main_result = run("echo 'Complex workflow step'").silent().execute();
    if !main_result.success {
        return false;
    }
    
    // Step 3: Verify results
    let verify_result = run("echo 'Verification step'").silent().execute();
    if !verify_result.success {
        return false;
    }
    
    // Step 4: Cleanup (always succeeds)
    let cleanup_result = run("echo 'Cleanup step'").ignore_error().silent().execute();
    
    return true;
};

assert_true(complex_workflow(), "Complex workflow integration should succeed");
print("✓ Complex workflow integration works");

// Test 12: Performance under load
print("\n--- Test 12: Performance Under Load ---");
let performance_test = || {
    let start_time = timestamp();
    let iterations = 5;
    let success_count = 0;
    
    for i in range(0, iterations) {
        try {
            let result = run(`echo "Iteration ${i}"`).silent().execute();
            if result.success {
                success_count += 1;
            }
        } catch(e) {
            // Continue with next iteration
        }
    }
    
    let end_time = timestamp();
    let duration = end_time - start_time;
    let avg_time = duration / iterations;
    
    print(`✓ Performance test: ${success_count}/${iterations} succeeded, avg ${avg_time}ms per operation`);
    return success_count == iterations && avg_time < 1000; // Each operation should be < 1 second
};

assert_true(performance_test(), "Performance under load should be acceptable");

print("\n=== All Real-World Scenarios Tests Passed! ===");