import re

def parse_class_structure(filepath):
    with open(filepath, 'r', encoding='utf-8') as f:
        content = f.read()
    
    # Simple regex to match method declarations in Dart:
    # e.g., void methodName(...) or Future<type> methodName(...) or type methodName(...)
    # Let's find any sequence of word characters, optionally preceded by types, followed by open parentheses
    # Let's filter methods that are inside the class
    # Method pattern: (type|void)? methodName(args) { or =>
    # Better approach: match lines that look like method declarations:
    # e.g., "  ReturnType methodName("
    # Let's find all methods inside the class by matching line patterns
    lines = content.split('\n')
    methods = []
    variables = []
    
    # Simple scanner for declarations
    for i, line in enumerate(lines):
        line_stripped = line.strip()
        # Skip comments, annotations, imports
        if line_stripped.startswith('//') or line_stripped.startswith('/*') or line_stripped.startswith('*') or line_stripped.startswith('@'):
            continue
            
        # Match variables: e.g., final type name = ... or type name;
        # Match methods: e.g., void name(...) or Future<type> name(...) or name(...) {
        # Method declaration regex:
        # Match methods with curly braces or arrow syntax on the same line or next
        method_match = re.match(r'^(?:[a-zA-Z0-9_<>\?]+)?\s*([a-zA-Z0-9_]+)\s*\(([^)]*)\)\s*(?:async)?\s*[\{{=]', line_stripped)
        if method_match:
            methods.append((i+1, method_match.group(1), method_match.group(2).strip()))
        elif line_stripped.startswith('Rx') or line_stripped.startswith('final ') or line_stripped.startswith('bool ') or line_stripped.startswith('String ') or line_stripped.startswith('int ') or line_stripped.startswith('double ') or line_stripped.startswith('Map '):
            variables.append((i+1, line_stripped))
            
    print(f"--- Methods in {filepath} ---")
    for line_num, name, args in methods:
        print(f"Line {line_num:4d}: {name}({args})")
        
    print(f"\n--- Key Variables in {filepath} ---")
    for line_num, var in variables[:30]:
        print(f"Line {line_num:4d}: {var}")

parse_class_structure('siro_rider/lib/controller/home/map/ride_lifecycle_controller.dart')