# Test Validation Script for rawk
# This script validates that all test files have correct syntax
# Usage: awk -f ../rawk.awk validate_tests.rawk | awk -f -

BEGIN {
    print "🔍 rawk Test Validation Suite"
    print "============================="
    print ""
    
    # Test categories and their files
    test_categories["core"] = "Core Language Features"
    test_files["core"] = "test_basic.rawk test_basic_functions.rawk test_multiline.rawk test_recursive.rawk test_suite.rawk test_array_fix.rawk test_edge_cases.rawk test_failure.rawk"
    
    test_categories["stdlib"] = "Standard Library"
    test_files["stdlib"] = "test_predicates.rawk test_predicates_simple.rawk test_stdlib_simple.rawk test_functional.rawk test_enhanced_utilities_simple.rawk test_phase2_utilities.rawk"
    
    test_categories["real_world"] = "Real World Examples"
    test_files["real_world"] = "test_csv_processor.rawk test_data_processing.rawk test_log_parser.rawk test_mixed.rawk test_system_monitor.rawk"
    
    # Track results
    total_files = 0
    valid_files = 0
    invalid_files = 0
    syntax_errors = 0
    
    print "Starting validation..."
    print ""
}

# Function to validate a test file
$validate_test_file = (category, test_file) -> {
    print "Validating " category ": " test_file
    
    # Check if file exists
    if (!system("test -f " category "/" test_file)) {
        # Try to compile the file
        cmd = "awk -f ../rawk.awk " category "/" test_file " > /dev/null 2>&1"
        if (system(cmd) == 0) {
            print "  ✓ Syntax OK"
            return 1
        } else {
            print "  ❌ Syntax Error"
            return 0
        }
    } else {
        print "  ⚠️  File not found"
        return 0
    }
};

# Function to check for common syntax issues
$check_syntax_issues = (file_path) -> {
    # Read the file and check for common issues
    while ((getline line < file_path) > 0) {
        # Check for rawk function definitions
        if (line ~ /^\$[a-zA-Z_][a-zA-Z0-9_]*[ \t]*=[ \t]*\([^)]*\)[ \t]*->/) {
            # Check if it ends with semicolon
            if (line !~ /;$/) {
                print "    ⚠️  Function definition missing semicolon: " line
            }
        }
        
        # Check for missing function keywords
        if (line ~ /^function[ \t]+[a-zA-Z_][a-zA-Z0-9_]*[ \t]*\(/) {
            print "    ⚠️  Standard AWK function syntax detected: " line
        }
    }
    close(file_path)
    return 1
};

# Main validation loop
{
    # Validate core tests
    print "📋 Core Language Features"
    print "========================="
    split(test_files["core"], core_test_array, " ")
    for (i in core_test_array) {
        if (core_test_array[i] != "") {
            total_files++
            result = validate_test_file("core", core_test_array[i])
            if (result) {
                valid_files++
            } else {
                invalid_files++
            }
        }
    }
    
    print ""
    print "📚 Standard Library Tests"
    print "========================="
    split(test_files["stdlib"], stdlib_test_array, " ")
    for (i in stdlib_test_array) {
        if (stdlib_test_array[i] != "") {
            total_files++
            result = validate_test_file("stdlib", stdlib_test_array[i])
            if (result) {
                valid_files++
            } else {
                invalid_files++
            }
        }
    }
    
    print ""
    print "🌍 Real World Examples"
    print "======================"
    split(test_files["real_world"], real_world_test_array, " ")
    for (i in real_world_test_array) {
        if (real_world_test_array[i] != "") {
            total_files++
            result = validate_test_file("real_world", real_world_test_array[i])
            if (result) {
                valid_files++
            } else {
                invalid_files++
            }
        }
    }
}

END {
    print ""
    print "📊 Validation Summary"
    print "===================="
    print "Total Files Checked:", total_files
    print "Valid Files:", valid_files
    print "Invalid Files:", invalid_files
    
    if (invalid_files == 0) {
        print ""
        print "🎉 All test files have valid syntax!"
    } else {
        print ""
        print "❌ Some test files have syntax issues that need to be fixed."
        print ""
        print "💡 Common issues to check:"
        print "  - Function definitions should end with semicolon: \$func = (args) -> expr;"
        print "  - Multi-line functions should use braces: \$func = (args) -> { ... }"
        print "  - Check for missing or extra braces"
        print "  - Ensure proper AWK syntax in function bodies"
    }
}