// Memory Efficiency Validation Script for Ruchy
// Tests interpreter memory usage within current language capabilities

// Generate a large expression with deep recursion
fun generate_large_expression(depth: i32) -> i32 {
    if depth <= 0 {
        42
    } else {
        let a = generate_large_expression(depth - 1)
        let b = generate_large_expression(depth - 1) 
        let c = [a, b, a + b, a * b, a - b]
        let result = if depth % 4 == 0 {
            a + b
        } else if depth % 4 == 1 {
            a + b
        } else if depth % 4 == 2 {
            a * b
        } else {
            a - b
        }
        result
    }
}

// Test memory with nested data structures
fun create_nested_lists(depth: i32) -> [i32] {
    if depth <= 0 {
        [1, 2, 3]
    } else {
        let inner = create_nested_lists(depth - 1)
        [depth, depth * 2, depth * 3]
    }
}

// Test memory with fibonacci computation
fun fibonacci_memo(n: i32) -> i32 {
    if n <= 1 {
        n
    } else {
        fibonacci_memo(n - 1) + fibonacci_memo(n - 2)
    }
}

// Test memory with factorial computation  
fun factorial(n: i32) -> i32 {
    if n <= 1 {
        1
    } else {
        n * factorial(n - 1)
    }
}

// Generate sequence for memory testing
fun generate_sequence(len: i32) -> [i32] {
    let mut result = []
    for i in 0..len {
        result = result + [i * i]
    }
    result
}

// Memory stress test function
fun run_memory_stress_test() -> String {
    println("🧠 Starting Memory Stress Test...")
    
    // Test 1: Deep recursion
    println("Test 1: Deep expression evaluation")
    let expr_result = generate_large_expression(6)
    println("Expression result:")
    println(expr_result)
    
    // Test 2: Large data structures
    println("Test 2: Nested data structures")
    let nested_result = create_nested_lists(4)
    println("Nested list:")
    println(nested_result)
    
    // Test 3: Fibonacci computation
    println("Test 3: Fibonacci computation")
    let fib_result = fibonacci_memo(15)
    println("Fibonacci(15):")
    println(fib_result)
    
    // Test 4: Factorial computation
    println("Test 4: Factorial computation")
    let fact_result = factorial(10)
    println("Factorial(10):")
    println(fact_result)
    
    // Test 5: Sequence generation
    println("Test 5: Sequence generation")
    let seq_result = generate_sequence(100)
    println("Generated sequence length: 100")
    
    // Test 6: Large computation simulation
    println("Test 6: Large computation simulation")
    let mut accumulator = 0
    for i in 0..1000 {
        let temp = i * 2 + 1
        accumulator = accumulator + temp
        
        if i % 200 == 0 {
            println("Progress: " + i + "/1000")
        }
    }
    
    println("✅ Memory stress test completed!")
    "Test completed successfully"
}

// Run the memory validation
run_memory_stress_test()