"""
Автоматическая регистрация без интерактивного подтверждения
С выводом прогресса для VS Code extension
"""
import sys
import os
import time
import json
import argparse
import random
from pathlib import Path

# Fix encoding for Windows (cp1251 doesn't support emoji)
if sys.platform == 'win32':
    # Try to set UTF-8 mode
    if hasattr(sys.stdout, 'reconfigure'):
        try:
            sys.stdout.reconfigure(encoding='utf-8', errors='replace')
            sys.stderr.reconfigure(encoding='utf-8', errors='replace')
        except Exception:
            pass
    # Set environment variable for child processes
    os.environ['PYTHONIOENCODING'] = 'utf-8'

sys.path.insert(0, str(Path(__file__).parent.parent))

from .register import AWSRegistration, generate_emails
from core.config import get_config, save_config

def get_setting(path, default=None):
    return get_config().get(path, default)

def set_setting(path, value):
    config = get_config()
    config.set(path, value)
    save_config()


FIRST_NAMES = [
    'James', 'John', 'Robert', 'Michael', 'David', 'William', 'Richard', 'Joseph',
    'Thomas', 'Christopher', 'Charles', 'Daniel', 'Matthew', 'Anthony', 'Mark',
    'Steven', 'Paul', 'Andrew', 'Joshua', 'Kevin', 'Brian', 'George', 'Edward',
    'Mary', 'Patricia', 'Jennifer', 'Linda', 'Elizabeth', 'Susan', 'Jessica',
    'Sarah', 'Karen', 'Lisa', 'Nancy', 'Betty', 'Margaret', 'Sandra', 'Ashley',
    'Emily', 'Amanda', 'Melissa', 'Stephanie', 'Rebecca', 'Laura', 'Helen',
    'Alex', 'Sam', 'Jordan', 'Taylor', 'Morgan', 'Casey', 'Riley', 'Quinn',
    'Max', 'Ben', 'Jake', 'Ryan', 'Nick', 'Tom', 'Jack', 'Luke', 'Adam', 'Eric'
]

LAST_NAMES = [
    'Smith', 'Johnson', 'Williams', 'Brown', 'Jones', 'Garcia', 'Miller', 'Davis',
    'Rodriguez', 'Martinez', 'Wilson', 'Anderson', 'Taylor', 'Thomas', 'Moore',
    'Jackson', 'Martin', 'Lee', 'Thompson', 'White', 'Harris', 'Clark', 'Lewis',
    'Walker', 'Young', 'Allen', 'King', 'Wright', 'Scott', 'Green', 'Baker',
    'Adams', 'Nelson', 'Hill', 'Campbell', 'Mitchell', 'Roberts', 'Carter',
    'Phillips', 'Evans', 'Turner', 'Parker', 'Collins', 'Edwards', 'Stewart',
    'Morris', 'Murphy', 'Cook', 'Rogers', 'Morgan', 'Peterson', 'Cooper', 'Reed'
]


def generate_human_email(domain: str) -> str:
    first = random.choice(FIRST_NAMES)
    last = random.choice(LAST_NAMES)
    number = random.randint(100, 9999)
    username = f"{first}{last}{number}"
    return f"{username}@{domain}"


def progress(step: int, total: int, name: str, detail: str = ""):
    """Выводит прогресс в JSON формате для extension"""
    data = {
        "step": step,
        "totalSteps": total,
        "stepName": name,
        "detail": detail
    }
    print(f"PROGRESS:{json.dumps(data)}", flush=True)


def main():
    parser = argparse.ArgumentParser(description='Auto-register AWS Builder ID')
    parser.add_argument('--headless', action='store_true', help='Run browser in headless mode')
    parser.add_argument('--no-headless', action='store_true', help='Show browser window')
    parser.add_argument('--verbose', '-v', action='store_true', help='Verbose output')
    parser.add_argument('--email', type=str, help='Custom email to use (overrides strategy)')
    parser.add_argument('--count', '-c', type=int, default=1, help='Number of accounts to register')
    parser.add_argument('--device-flow', action='store_true', help='Use Device Flow OAuth instead of PKCE')
    args = parser.parse_args()

    # Determine headless mode
    if args.headless:
        headless = True
    elif args.no_headless:
        headless = False
    else:
        headless = get_setting('browser.headless', False)
    
    # Determine device flow mode (from args or env)
    device_flow = args.device_flow or os.environ.get('DEVICE_FLOW', '0') == '1'

    if args.verbose:
        set_setting('debug.verbose', True)

    # Get strategy from environment
    strategy = os.environ.get('EMAIL_STRATEGY', 'single')
    
    progress(1, 8, "Initializing", f"Strategy: {strategy}")

    if args.verbose:
        print(f"[DEBUG] Headless: {headless}")
        print(f"[DEBUG] Device Flow: {device_flow}")
        print(f"[DEBUG] Strategy: {strategy}")
        print(f"[DEBUG] IMAP User: {os.environ.get('IMAP_USER', 'not set')}")

    reg = AWSRegistration(headless=headless, device_flow=device_flow)

    try:
        progress(2, 8, "Starting OAuth", "Getting auth URL...")
        
        if args.email and args.count > 1:
            raise ValueError("Cannot use --email with --count > 1")
        
        results = []
        for i in range(args.count):
            if args.count > 1:
                print(f"\n=== Registering {i + 1}/{args.count} ===")
            
            # Use register_auto which handles email strategies
            if args.email:
                # Manual email override
                result = reg.register_single(args.email)
            else:
                # Use configured strategy
                result = reg.register_auto()
            results.append(result)
            
            if not result.get('success'):
                progress(8, 8, "Failed", result.get('error', 'Unknown error'))
                print(f"\n[X] FAILED: {result.get('error', 'Unknown')}")
                if args.count > 1:
                    continue
                return result
        
        if args.count == 1:
            result = results[0]
            if result.get('success'):
                progress(8, 8, "Complete", f"Account: {result['email']}")
                print("\n[OK] SUCCESS")
                print(f"Email: {result['email']}")
                print(f"Password: {result['password']}")
                print(f"Token: {result.get('token_file', 'N/A')}")
                if result.get('strategy'):
                    print(f"Strategy: {result['strategy']}")
            return result
        
        success_count = len([r for r in results if r.get('success')])
        progress(8, 8, "Complete", f"Success: {success_count}/{args.count}")
        print(f"\n[OK] Completed: {success_count}/{args.count} succeeded")
        return {'success': success_count == args.count, 'results': results}

    except Exception as e:
        progress(8, 8, "Error", str(e))
        print(f"\n[X] ERROR: {e}")
        if args.verbose:
            import traceback
            traceback.print_exc()
        return {'success': False, 'error': str(e)}

    finally:
        reg.close()


if __name__ == '__main__':
    main()